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Parts Catalog FORM NO. 3319–724 Rev A Wheel Horse r 518xi 520xi Lawn and Garden Tractor Model No. 73470–8900001 & Up Model No. 73540–8900001 & Up Model No. 73541–8900001 & Up
76

Wheel Horse 518xi 520xi Lawn and Garden Tractor

Jun 10, 2022

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Page 1: Wheel Horse 518xi 520xi Lawn and Garden Tractor

Parts Catalog

FORM NO. 3319–724 Rev A

Wheel Horse �

518xi520xi

Lawn and GardenTractor

Model No. 73470–8900001 & Up

Model No. 73540–8900001 & Up

Model No. 73541–8900001 & Up

Page 2: Wheel Horse 518xi 520xi Lawn and Garden Tractor

3319–724 Rev A

i The TORO Company — 1997All Rights Reserved

ORDERING REPLACEMENT PARTSTo order replacement parts, please supply: the part number, the quantity, and the description of eachpart desired.

ContentsDescription Page Description Page�814*5� &2)� �33)� �66*1'0< �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� ��

!7**5.2,� "3:*5� &2)� �8*0� "&2/� �66*1'0< ��� �� �� �� �� �� ��

�77&(-� �� �&7.(� &2)� �.7(-� �66*1'0< ��� �� �� �� �� �� �� �� �� �� �� ��

�&28&0� !7**5.2,� �3:*5� �66*1'0< �� �� �� �� �� �� �� �� �� �� �� �� ��

�&28&0� !7**5.2,� &2)� ".07� �66*1'0< ��� �� �� �� �� �� �� �� �� �� �� ��

".*� 3)6�� !4.2)0*� �� �5327� �;0*� �66*1'0< ��� �� �� �� �� �� ��

�<)53� "5&26� �;0*� �66*1'0< ��� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� ��

�<)53� "5&26� �;0*� �66*1'0<� ��327.28*)� ��� �� �� �� �� �� ��

"5&261.66.32� �66*1'0< ��� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� ��

"5&261.66.32� �66*1'0< �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� ��

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�<)53� �.+7� �3:*5� �66*1'0< ��� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� ��

�<)53� �.+7� #44*5� �66*1'0< ��� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� ��

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�&6-� �66*1'0< ��� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� ��

�*2)*5�� �3375*67� &2)� !*&7� �66*1'0< ��� �� �� �� �� �� �� �� �� �� ��

�*2)*5�� �3375*67� &2)� !*&7� �66*1'0<� ��327�� ��� �� �� ��

!1&57� "852� *&5� �66*1'0< ��� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� ��

�.��3� !-.+7� �66*1'0< ��� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� ��

#44*5� �&5/.2,� �5&/*� �66*1'0< ��� �� �� �� �� �� �� �� �� �� �� �� �� �� ��

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!1&57� "852� �5327� �66*1'0< ���� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� ��

�3:*5� �&5/.2,� �5&/*� �66*1'0< � �� �� �� �� �� �� �� �� �� �� �� �� �� �� ��

�58.6*� �327530� �66*1'0< ���� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� ��

�*2)*5� &2)� �8*0� !<67*1� �66*1'0< ���� �� �� �� �� �� �� �� �� �� �� ��

%-**0� �66*1'0< ���� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� ��

�.5� �330*)� �2,.2*� �66*1'0< ���� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� ��

�.5� �330*)� �2,.2*� �66*1'0<� ��327.28*)� ���� �� �� �� �� ��

�0*(75.(&0� �66*1'0<� ��3)*0� �� �� ��� �� �� �� �� �� �� �� �� �� �� ��

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%.5.2,� �&52*66� 387.2,� ��3)*0� �� �� ���� �� �� �� �� �� �� ��

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�5&2/(&6*� ��3)*0� �� �� ���� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� ��

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�8*0� !<67*1� ��3)*0� �� �� ��� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� ��

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�.5� �.07*5� ��3)*0� �� �� ��� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� ��

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�5&2/(&6*� ��3)*06� ��� � �� ��� � ��� �� �� �� �� �� �� �� �� �� ��

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�*&)�� $&09*� �� �5*&7-*5� ��3)*06� ��� � �� ��� � �

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!7&57.2,� !<67*1� ��3)*06� ��� � �� ��� � ���� �� �� �� �� ��

�8*0� !<67*1� ��3)*06� ��� � �� ��� � � �� �� �� �� �� �� �� �� �� ��

�2,.2*� �3275306� ��3)*06� ��� � �� ��� � ���� �� �� �� �� ��

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AccessoriesDescription Model / Parts No. Description Model / Parts No.42” Rear Discharge Mower

(Model No. 73470 & 73540 Only) 78353. . . . . . . . . . 42” Rear Discharge Low Cut Mower

(Model No. 73541 Only) 78442. . . . . . . . . . . . . . . . . . 44” Side Discharge Mower

(Model No. 73470 & 73540 Only) 78357. . . . . . . . . . 44” Recycler Mower

(Model No. 73470 & 73540 Only) 78358. . . . . . . . . .

44” Side Discharge Low Cut Mower(Model No. 73541 Only) 78444. . . . . . . . . . . . . . . . . .

48” Side Discharge Mower(Model No. 73470 & 73540 Only) 78363. . . . . . . . . .

48” Recycler Mower(Model No. 73470 & 73540 Only) 78364. . . . . . . . . .

48” Side Discharge Low Cut Mower(Model No. 73541 Only) 78448. . . . . . . . . . . . . . . . . .

Page 3: Wheel Horse 518xi 520xi Lawn and Garden Tractor

3319–724 Rev A

ii

Accessories (Continued)52” Side Discharge Mower

(Model No. 73470 & 73540 Only) 78370. . . . . . . . . . 52” Recycler Mower

(Model No. 73470 & 73540 Only) 78375. . . . . . . . . . 52” Side Discharge Low Cut Mower

(Model No. 73541 Only) 78452. . . . . . . . . . . . . . . . . . 60” Side Discharge Mower

(Model No. 73470 & 73540 Only) 78395. . . . . . . . . . 60” Side Discharge Low Cut Mower

(Model No. 73541 Only) 78469. . . . . . . . . . . . . . . . . . 36” Tiller* 79375. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50” Grader Blade* 79356. . . . . . . . . . . . . . . . . . . . . . . . . 42” Single Stage Snowthrower** 79365. . . . . . . . . . . .

44” Two–Stage Snowthrower** 79366. . . . . . . . . . . . . . 48” Snow/Dozer Blade** 79355. . . . . . . . . . . . . . . . . . . ROPS 79210. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Rear Wheel Weights 81115. . . . . . . . . . . . . . . . . . . . . . . Flush Mount Rear Wheel Weights 81117. . . . . . . . . . . Front Wheel Weights 81214. . . . . . . . . . . . . . . . . . . . . . Tire Chains 82146. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Dual Wheel Adapter 94–2050. . . . . . . . . . . . . . . . . . . . . Rear Attach–A–Matic 95–4220. . . . . . . . . . . . . . . . . . . . Clevis Hitch 94–7800. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Note: * Requires 95–4220 ** Requires 81115

Part Description AbbreviationsPart descriptions in this catalog may include the following abbreviations.

Abbreviation Meaning Abbreviation MeaningAR as required. . . . . . . . . . . . . . . . . ASM assembly. . . . . . . . . . . . . . . . CARR carriage. . . . . . . . . . . . . . DEG degrees. . . . . . . . . . . . . . . . FH flat head. . . . . . . . . . . . . . . . . GA gauge. . . . . . . . . . . . . . . . . HF hex flange. . . . . . . . . . . . . . . . . HFW hex flange washer. . . . . . . . . . . . . . . HH hex head. . . . . . . . . . . . . . . . . HHF hex head flange. . . . . . . . . . . . . . . . HHST hex head self tapping. . . . . . . . . . . . . . . HJ hex jam. . . . . . . . . . . . . . . . . . HOC height-of-cut. . . . . . . . . . . . . . . . HS hex socket. . . . . . . . . . . . . . . . . HSBH hex socket button head. . . . . . . . . . . . . . HSFH hex socket flat head. . . . . . . . . . . . . . . HSH hex socket head. . . . . . . . . . . . . . . . HWH hex washer head. . . . . . . . . . . . . . .

HWHTF hex washer head. . . . . . . . . . . . . thread forming

INC incorporated. . . . . . . . . . . . . . . . . LH left hand. . . . . . . . . . . . . . . . . PH pan head. . . . . . . . . . . . . . . . . PPH Phillips pan head. . . . . . . . . . . . . . . . PTO power take off. . . . . . . . . . . . . . . . RH right hand. . . . . . . . . . . . . . . . . SFH slotted fillister head. . . . . . . . . . . . . . . . SH square head. . . . . . . . . . . . . . . . . SHWH slotted hex washer head. . . . . . . . . . . . . . SPH slotted pan head. . . . . . . . . . . . . . . . STD standard. . . . . . . . . . . . . . . . TAP self tapping. . . . . . . . . . . . . . . . TH truss head. . . . . . . . . . . . . . . . . TTH Torx truss head. . . . . . . . . . . . . . . . WH wing head. . . . . . . . . . . . . . . . .

Important Format ExplanationsThis catalog uses special formats to convey information in illustrations and parts lists. Specifically, one format isused in conjunction with service assemblies and another with quantities associated with reference numbers.

Service AssembliesParts within service assemblies have reference numbers in the form X:Y. X is the reference number of the serviceassembly and Y is a sequential number unique to each part within the service assembly.

For example, a wheel assembly might be identified by reference number 6, the tire by 6:1, the valve by 6:2, andthe wheel by 6:3. When you order the assembly identified by reference number 6, you receive all parts identifiedby reference numbers 6:1, 6:2, and 6:3. However, you may also order any part individually.

Reference numbers of this type appear in part lists and as callouts in illustrations.

Page 4: Wheel Horse 518xi 520xi Lawn and Garden Tractor

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C–2734

Bumper and Hood AssemblyDescriptionPart No. Qty.Ref. No. DescriptionPart No. Qty.Ref. No.

1 95–4013 4 Latch Assembly2 107069 6 Nut–Panel3 3256–23 12 Washer–Flat4 322–3 12 Screw–HH5 98–5064–03 1 Support ASM (Only

On: 73470, 73540)5 98–5070–03 1 Support ASM (Only

On: 73541)5:1 98–5014 1 Decal–Warning (Only

On: 73470, 73540)5:1 98–5015 1 Decal–Warning (Only

On: 73541)6 94–7995–03 1 Bracket–Hinge Lower

LH7 95–3989 4 Mount–Sidepanel8 94–7910 4 Grommet9 95–4082–03 1 Hood Support LH

10 46–8093 4 Screw–TAP12 98–7203 1 Hood Support ASM

12:1 95–4258 1 Cover–Brace12:2 614249 2 Tie Strap

14 3296–29 16 Nut–Lock15 94–2308–03 1 Bumper–Frame16 323–7 4 Screw–HH17 95–4081–03 1 Hood Support RH

18 94–7994–03 1 Bracket–Hinge LowerRH

19 3230–16 4 Screw–CARR20 3296–39 4 Nut–Lock21 98–5061–03 1 Support ASM (Only

On: 73470, 73540)21 98–5063–03 1 Support ASM (Only

On: 73541)21:1 98–5014 1 Decal–Warning (Only

On: 73470, 73540)21:1 98–5015 1 Decal–Warning (Only

On: 73541)22 92–8747 2 Decal–Attach A Matic24 3256–61 2 Washer–Flat (Only

On: 73541)25 32144–42 2 Screw–HH TAP (Only

On: 73541)26 98–1617 1 Clamp–Tube (Only

On: 73551, 73550)27 93–8069 2 Decal–Hot Surface

(Only On: 73551, 73550)

Page 5: Wheel Horse 518xi 520xi Lawn and Garden Tractor

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C–2719

Steering Tower and Fuel Tank AssemblyDescriptionPart No. Qty.Ref. No. DescriptionPart No. Qty.Ref. No.

1 3231–25 2 Screw–CARR2 94–7740–03 1 Support – Gas Tank3 3296–39 10 Nut–Lock4 94–2413 4 U–Nut5 323–7 4 Screw–HH6 2844 1 Washer–Flat7 3235–22 5 Screw–HH8 107069 10 Nut–Panel9 95–3961–03 1 Support–Fuel Tank

10 3296–29 3 Nut–Lock17 105797 1 Ring–Retaining18 3256–24 5 Washer–Flat19 95–3892–03 1 Bracket–Latch20 95–4165 1 Spring–Torsion21 95–3899 1 Latch Lever22 95–3900 1 Tension Lever–Latch23 37–8771 1 Bolt–Shoulder24 95–3895 1 Spring–Extension25 321–4 3 Screw–HH26 3253–3 3 Washer–Lock27 3256–22 3 Washer–Flat33 94–7643–03 1 Tower ASM34 321–4 2 Screw–HH35 95–4246 1 Baffle–Fan36 3230–1 2 Screw–CARR37 94–2083–03 1 Frame

38 323–4 2 Screw–HH39 95–4005–03 1 Cover–Rear40 94–7972 1 Screw–HH41 94–7739–03 1 Strap–Torque42 323–6 4 Screw–HH

Page 6: Wheel Horse 518xi 520xi Lawn and Garden Tractor

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Attach A Matic and Hitch AssemblyDescriptionPart No. Qty.Ref. No. DescriptionPart No. Qty.Ref. No.

1 5618 2 Ring–Retaining2 105269 1 Pin–Hitch3 106634 1 Pin–Attachment4 9335054 1 Hairpin5 9791204 2 Spacer6 98–8083 1 Hitch ASM7 94–2251–03 2 Plate–Hitch8 323–44 6 Screw–HH9 98–1632 2 Decal–Attach A Matic

10 3235–22 2 Screw–HH11 323–7 4 Screw–HH12 3256–24 16 Washer–Flat13 3296–39 8 Nut–Lock14 105316 3 Cap–Rod

*15 94–2230–03 1 Hanger RH16 94–2231–03 1 Hanger LH17 105797 6 Ring–Retaining18 94–2256 3 Rod–Lock19 94–2258 3 Lock–Latch20 8616 3 Spring–Compression21 94–7777–03 2 Latch–Pulley Box22 3290–221 2 Washer–Spring23 92–7674 2 Bolt–Shoulder24 323–6 2 Screw–HH25 107069 2 Nut–Panel26 94–2304–03 1 Tray–Battery

27 3–4685 2 Washer–Thrust28 94–2233 2 Spacer29 94–2475 1 Rod–Spacer30 98–1629 2 Washer31 9038 1 Grip32 3230–2 2 Screw–CARR33 94–7855–03 1 Mid Bracket ASM34 3296–29 2 Nut–Lock35 94–2250–03 1 Latch ASM36 108881 6 Nut–Hex37 3256–26 1 Washer–Flat

* Not illustrated

Page 7: Wheel Horse 518xi 520xi Lawn and Garden Tractor

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Manual Steering Lower AssemblyDescriptionPart No. Qty.Ref. No. DescriptionPart No. Qty.Ref. No.

1 98–3052 1 Screw–ThreadLocking

2 2844 1 Washer–Flat3 94–2140 1 Arm–Upper4 322–10 3 Screw–HH5 103118 1 Seal–Oil6 94–2134–03 1 Cover7 94–2135 1 Gasket8 94–2137 1 Gear–Sector9 251–82 2 Bearing–Ball

10 94–2133 1 Housing–Steering11 3296–29 3 Nut–Lock12 94–2218 1 Spacer–Output Shaft13 3256–42 1 Washer–Flat14 94–2142–03 1 Arm–Lower15 98–3498 1 Screw–HH16 3256–82 1 Washer17 38–7820 2 Bearing–Ball18 94–2217 1 Spacer–Input Shaft19 302–5 1 Fitting–Grease20 94–2136 1 Pinion–Input Shaft21 94–7856 1 Seal–Oil22 32144–10 4 Screw–HH

Page 8: Wheel Horse 518xi 520xi Lawn and Garden Tractor

3319–724 Rev A

5

Sheet No.:7

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Manual Steering and Tilt AssemblyDescriptionPart No. Qty.Ref. No. DescriptionPart No. Qty.Ref. No.

1 94–2382 1 Bracket2 3296–42 2 Nut–Lock3 95–3964 1 Lever–Tilt4 92–6798 1 Cap–Rod5 94–2047 1 Shaft–Steering6 3253–4 1 Washer–Lock7 33114–030 1 Screw–HH8 95–3805 1 Spring9 3229–1 2 Screw–CARR

10 111383 1 Collar ASM10:1 3245–32 1 Screw–Set

11 93–1146 2 Bushing–Steering12 94–2450–03 1 Manual Column ASM13 94–2025 1 Washer–Boot14 98–1471 1 Steering Wheel ASM

(Only On: 73470)14 98–1474 1 Steering Wheel ASM

(Only On: 73540,73541)

14:1 98–7211 1 Cover ASM (Incl. Ref.#17)

15 48–8070 1 Washer–Lock16 3277–1 1 Nut–HH17 98–1459 1 Decal18 3256–22 2 Washer–Flat

Page 9: Wheel Horse 518xi 520xi Lawn and Garden Tractor

3319–724 Rev A

6

Sheet No.:14

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Tie Rods, Spindle & Front Axle AssemblyDescriptionPart No. Qty.Ref. No. DescriptionPart No. Qty.Ref. No.

1 3296–39 2 Nut–Lock2 94–2205–03 1 Pivot Pin3 3220–5 2 Nut–Hex4 94–2239 2 Balljoint–LH Thread

(Only On: 73470)4 94–7539 2 Balljoint–LH Thread

(Only On: 73540,73541)

5 94–2212 2 Rod–Steering6 98–8088 2 Nut–Lock7 3296–29 2 Nut–Lock8 94–2197 1 Arm–LH Steering9 322–32 2 Screw–HH

10 94–2196 1 Arm–RH Steering11 3220–12 2 Nut–Hex12 98–8087 2 Balljoint–RH Thread

(Only On: 73470)12 98–8086 2 Balljoint–RH Thread

(Only On: 73540,73541)

13 94–7537–03 1 LH Spindle14 9548 2 Washer–Thrust15 3296–61 1 Nut–Hex16 302–11 1 Fitting–Grease17 94–7568–03 1 Axle–Front18 302–5 2 Fitting–Grease

19 94–7536–03 1 RH Spindle20 94–7542 2 Wheel & Tire ASM

(Only On: 73470,73540)

20 95–4084 2 Wheel & Tire ASM(Only On: 73541)

20:1 94–7541 2 Wheel20:2 94–7538 4 Bearing ASM (Incl.

Ref. #20:5)20:3 5108 2 Valve–Tire Tubeless20:4 94–2191 2 Tire (Only On: 73470,

73540)20:4 95–4085 2 Tire (Only On: 73541)20:5 94–2053 4 Snap Ring

21 95–4060 2 Washer–Wheel22 9202514 4 Washer–Flat23 9202524 A/R Washer24 3272–18 2 Pin–Cotter25 94–7871 2 Cap–Dust26 98–1642 2 Cap–Spindle27 3231–25 2 Screw–CARR28 98–8089 2 Nut–Lock

* 112819 2 Tube–Inner

* Not Illustrated

Page 10: Wheel Horse 518xi 520xi Lawn and Garden Tractor

3319–724 Rev A

7

Sheet No.:15��

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Hydro Trans Axle AssemblyDescriptionPart No. Qty.Ref. No. DescriptionPart No. Qty.Ref. No.

1 79–3340 2 Axle–Rear2 79–3370 2 Key–Square3 911423 4 Screw–HH4 107374 4 Washer–Flat5 111196 2 Cap–End6 101889 2 Gear–Axle7 105876 2 Ring–Retaining8 101623 8 Gear–Pinion9 105061 1 Gear–Differential

10 108881 4 Nut–Hex11 1540 1 Bearing–Needle12 94–2021 2 Bearing–Needle13 94–2022 1 Gasket–Transaxle14 111199 2 Bearing–Ball15 1529 1 Bearing–Needle16 108363 2 Pin–Locating17 106826 2 Washer–Thrust18 3243–5 4 Screw–Set19 3218–3 4 Nut–HJ20 105763–03 2 Hub–Wheel21 6449 2 Seal–Oil22 9416 2 Bearing–Needle23 94–2001–03 1 Case–Transaxle24 281–10 1 Plug–Pipe25 94–2008 1 Gear–Sliding26 94–2007 1 Shaft–Brake

27 94–2006 1 M–Gear28 9547 1 Washer–Thrust29 94–2002–03 1 Case–Transaxle30 94–2019–03 1 Arm–Brake Pivot31 100309 1 Bushing–Cam Pivot32 3235–22 2 Screw–HH33 3272–6 2 Pin–Cotter34 3256–24 2 Washer–Flat35 94–2419 1 Brake Band36 2844 1 Washer–Flat37 94–2009 1 Drum–Brake38 253–44 1 Seal–Oil

Page 11: Wheel Horse 518xi 520xi Lawn and Garden Tractor

3319–724 Rev A

8

Sheet No.:16

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Hydro Trans Axle Assembly (Continued)DescriptionPart No. Qty.Ref. No. DescriptionPart No. Qty.Ref. No.

1 1529 2 Bearing–Needle2 94–2014 1 Tube–Shifter Rail3 94–2054 1 Rail–Shift4 94–2015 1 Fork–Hi Lo Shift5 933154 2 Pin–Spirol6 94–2143 1 Arm–Shifter7 94–7510 1 Arm–Hi Lo8 3517 1 Ball9 94–2024 1 Spring–Shift

10 3247–2 1 Screw–Set11 94–7680–03 1 Dipstick12 94–7559 1 Tube–Dipstick13 32120–64 1 Ring–Retaining14 94–7565 1 Pinion–Bevel15 702062 1 Gasket–Pump & Motor16 94–7693 1 Fitting–Hydraulic

16:1 237–42 1 O–Ring16:2 237–30 1 O–Ring

17 94–7969 1 Tube–Hydraulic18 94–7694 1 Fitting–Hydraulic

18:1 237–42 1 O–Ring18:2 237–30 1 O–Ring

19 94–2148–03 1 Plate–Support Bracket20 323–13 4 Screw–HH21 2412–141 2 Clamp–Hose22 95–4133 1 Hose–Suction

23 94–7692 1 Fitting–Hose23:1 237–80 1 O–Ring

24 94–2003 1 Transmission25 281–10 1 Plug–Pipe26 108323 1 Base–Filter27 5991 1 Fitting–Filter28 79–5270 1 Filter–Oil29 321–5 2 Screw–HH30 1535 3 Washer–Thrust31 8571 1 Bearing–Needle32 94–7566 1 Gear–Bevel33 94–2010 1 Shaft–Input34 32151–29 2 Ring–Ext. Snap35 94–2011 1 Gear–Hi Lo36 323–9 3 Screw–HH37 323–8 2 Screw–HH38 3253–3 2 Washer–Lock39 95–4138 1 Fitting–Hydraulic

39:1 237–22 1 O–Ring39:2 237–42 1 O–Ring

40 95–4135 1 Fitting–Hydraulic 4540:1 237–42 1 O–Ring40:2 237–22 1 O–Ring

41 94–7970 1 Tube–Hydraulic42 95–3806 1 Tube–Hydraulic

Page 12: Wheel Horse 518xi 520xi Lawn and Garden Tractor

3319–724 Rev A

9

Transmission Assembly

Sheet No.:300

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Page 13: Wheel Horse 518xi 520xi Lawn and Garden Tractor

3319–724 Rev A

10

Transmission AssemblyDescriptionPart No. Qty.Ref. No. DescriptionPart No. Qty.Ref. No.

1 56–2800 1 Screw–HH2 56–2810 1 Bearing–Ball3 56–2820 2 Seal–Oil4 98–7377 1 ASM–Pump5 56–3090 4 Ring–Retaining6 56–2850 1 Ring–Seal7 56–2860 1 Plate–Pump8 56–2870 1 Ring–Seal9 112641 1 Cover ASM

10 56–2880 2 Button11 56–2890 1 Pin–Dowel12 56–2900 1 Pin–Drive13 56–2910 1 Shaft–Input14 56–2920 1 Ring–Seal15 56–2930 1 Rotor/Ball–Pump16 113136 1 Race–Pump17 93–9810 1 Ring–Cam18 56–2950 2 Piston19 56–2960 2 Ring–Backup20 56–2970 2 O–Ring21 56–2980 1 Pin–Coil22 56–2990 1 Pintle ASM23 56–3000 2 Ring–Retaining24 56–3010 2 Ball–.313 Dia25 56–3020 2 Body–Valve26 56–3030 1 Ball–.438 Dia27 56–3040 1 Spring–Valve28 56–3050 1 Plug–Valve29 56–3060 1 Pin–Dowel30 112652 1 Shield–Grass31 112653 1 Ring–Retaining33 56–3100 6 Screw–HSBH34 56–3110 6 Roller35 56–3120 1 Carrier36 56–3130 1 Seal–Oil37 56–3140 1 Kit–Shaft40 56–3170 1 Insert–Ring41 56–3180 1 Spring–Valve43 56–3200 2 Body–Valve44 56–3210 2 Ball–.625 Dia45 56–3220 1 Rotor/Ball–Motor46 56–3230 1 Shaft–Output47 56–3240 1 Race–Motor48 56–3250 1 ASM–Plug49 56–3260 1 O–Ring50 98–7379 1 Body52 56–3280 1 Bearing–Ball53 56–3290 1 Ring–Retaining55 56–3310 1 Kit–Seal56 56–2940 1 Cam Ring ASM Incl 16

1757 98–7380 1 ASM–Body58 98–7378 1 Fitting–90 Bent Tube

Page 14: Wheel Horse 518xi 520xi Lawn and Garden Tractor

3319–724 Rev A

11

Sheet No.:17

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Drive Shaft AssemblyDescriptionPart No. Qty.Ref. No. DescriptionPart No. Qty.Ref. No.

1 94–2373–03 1 Drive Shaft3 44–2230 4 Coupling–Rubber4 71–4411 4 Spacer–Coupling5 322–7 4 Screw–HH6 71–4410 4 Spacer–Coupling7 322–11 4 Screw–HH8 3256–3 4 Washer–Flat9 3296–29 8 Nut–Lock

10 94–2425 1 Key–Square11 94–2059 1 Hub12 94–2371 1 Spacer–Fan13 937089 1 Key–Woodruff14 95–4223 1 Fan–Hydro15 94–2310 1 Hub16 103995 1 Washer17 94–7955 1 Screw–Lock18 94–7975 4 Screw–Square Set

Page 15: Wheel Horse 518xi 520xi Lawn and Garden Tractor

3319–724 Rev A

12

Sheet No.:18

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Hydro Lift Lower AssemblyDescriptionPart No. Qty.Ref. No. DescriptionPart No. Qty.Ref. No.

1 323–7 5 Screw–HH2 94–2263–03 1 Support–Deck Lift3 3296–39 15 Nut–Lock4 98–3582 1 Bellcrank & Bushing

ASM4:1 94–7574 2 Bushing–Flanged

5 3256–24 4 Washer–Flat6 614672 2 Bolt–Shoulder7 94–2279–03 1 Lift Arm ASM–LH8 94–2411 2 Stop–Lift Adj.9 3296–48 2 Nut–Lock

10 3256–28 2 Washer–Flat11 32121–79 2 Roll Pin12 94–2301 2 J Pin13 95–4256 2 Spring–Compression14 3256–26 2 Washer–Flat15 3272–10 2 Pin–Cotter16 94–2262 2 Rod–Lift17 94–2277–03 1 Bar–Lift18 94–2278–03 1 Lift Arm ASM–RH19 3232–5 2 Screw–CARR20 94–7600–03 1 Spacer–Strap21 94–2260 2 Lift Sleeve ASM22 94–7578–03 1 Plate–Support LH23 323–18 4 Screw–HH

24 98–1617 1 Clamp–Tube25 302–5 1 Fitting–Grease

Page 16: Wheel Horse 518xi 520xi Lawn and Garden Tractor

3319–724 Rev A

13

Sheet No.:19

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Hydro Lift Upper AssemblyDescriptionPart No. Qty.Ref. No. DescriptionPart No. Qty.Ref. No.

1 94–7714 1 Handle–Lift2 92–1099 1 Bolt–Shoulder3 95–4168 1 Trunnion–Lift Lever4 610358 1 Nut–Lock5 95–4221 1 Spring–Ext. Lift6 95–4235 1 Washer7 95–4141 3 Fitting–Hydraulic 90

DEG7:1 237–42 3 O–Ring7:2 237–21 3 O–Ring

8 3272–1 1 Pin–Cotter9 94–7945 1 Hose ASM

10 98–1639 1 Pin–Clevis11 95–4064 1 Clip–Pin12 94–2300 1 Lift Cylinder ASM

*12:1 95–4007 1 Seal Kit13 3296–42 2 Nut–Lock14 95–4258 2 Cover–Brace15 3256–57 1 Washer–Flat16 95–4245 1 Screw–Thread

Locking17 95–4136 1 Fitting–Hydraulic 45

DEG17:1 237–42 1 O–Ring17:2 237–21 1 O–Ring

18 94–7944 1 Hose ASM

19 94–7970 1 Tube–Hydraulic20 95–3806 1 Tube–Hydraulic21 95–4138 1 Fitting–Hydraulic

21:1 237–22 1 O–Ring21:2 237–42 1 O–Ring

22 95–4137 1 Fitting–Hydraulic Long22:1 237–42 1 O–Ring22:2 237–22 1 O–Ring

23 321–10 2 Screw–HH24 94–2458 1 Valve–Hydraulic Lift25 283–16 1 Pin–Clevis26 98–1620 1 Link–Lift27 95–4236 1 Tscrew–PPH28 94–2100 1 Knob–Lift (Only On:

73470, 73540)28 95–4106 1 Knob–Lift (Only On:

73541)

* Not illustrated

Page 17: Wheel Horse 518xi 520xi Lawn and Garden Tractor

3319–724 Rev A

14

Sheet No.:20��

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Hood & Headlight AssemblyDescriptionPart No. Qty.Ref. No. DescriptionPart No. Qty.Ref. No.

1 98–7205 1 Hood ASM1:2 98–7204 1 Rear Bulkhead ASM

(Incl. Ref. #1:4 1:5 1:6)1:3 3269–12 6 Rivet–Pop1:4 95–4259 2 Foam–Lower

Bulkhead1:5 95–4078 1 Foam Seal–Rear

Bulkhead1:6 95–4233 1 Foam–Bulkhead/Hood

2 3274–31 4 Screw–HS3 95–4197 2 Nut Plate4 95–0691 1 Harness–Wire5 95–4166 1 Headlight ASM

5:1 98–3591 2 Socket5:2 98–1602 2 Decal–Sidelight5:3 98–7210 1 Reflector ASM (Incl.

Ref. #5:2 & 5:7)5:4 95–4129 4 Clip5:5 7228 2 Bulb–Light5:6 94–2099 1 Lens–Headlight5:7 98–3597 1 Decal–Headlight

Reflector6 95–4248 1 Logo–Headlight7 107069 4 Nut–Panel8 3296–29 3 Nut–Lock9 3256–23 2 Washer–Flat

10 27–0410 3 Bolt–Shoulder11 92–7020 4 Screw–TTH12 95–3800–03 1 Front Bulkhead13 98–1649 1 Washer–Spring14 95–4070–03 1 Hood Support Rod15 3272–10 1 Pin–Cotter16 98–3051 1 Washer–Plastic24 98–3595 1 Shield–Support Rod25 614249 2 Tie Strap

Page 18: Wheel Horse 518xi 520xi Lawn and Garden Tractor

3319–724 Rev A

15

Sheet No.:21

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Grille and Side Panel AssemblyDescriptionPart No. Qty.Ref. No. DescriptionPart No. Qty.Ref. No.

1 94–2417–03 1 Screen–Rear2 92–7020 12 Screw–TTH3 94–2093 1 Cover–Rear4 95–4231 2 Foam–Seal5 95–4114–03 1 Cover–Side LH6 98–1603 2 Decal–518xi (Only On:

73470)6 98–1604 2 Decal–520xi (Only On:

73540, 73541)7 95–4260 1 Decal–Hood LH8 94–2088–01 1 Sidepanel–Hood9 94–2104 1 Grille

10 94–2103 1 Cover–Bumper11 94–2087–01 1 Sidepanel–Hood12 95–4261 1 Decal–Hood RH13 95–4113–03 1 Cover–Side RH

Page 19: Wheel Horse 518xi 520xi Lawn and Garden Tractor

3319–724 Rev A

16

Sheet No.:22

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Dash AssemblyDescriptionPart No. Qty.Ref. No. DescriptionPart No. Qty.Ref. No.

1 94–2102 1 Boot–Steering2 95–3844 1 Retainer–Boot3 95–4234 6 Screw–Pan Hd4 95–3842 1 Lens–Dash5 95–4071 1 Decal–Dash Lens

(Only On: 73470)5 95–4072 1 Decal–Dash Lens

(Only On: 73540,73541)

6 95–3843 1 Housing–Light7 62–7770 1 Key–Ignition8 700919 1 Nut9 94–4208 1 Hourmeter

10 95–7489 1 Switch–PTO11 92–6785 1 Switch–Ignition12 95–4236 2 Tscrew–PPH13 94–2121 1 Knob–Throttle14 32144–32 4 Screw–Plastic15 95–4036 1 Control Throttle ASM16 95–4035 1 Control Choke ASM17 94–2122 1 Knob–Choke18 94–2101 1 Dash19 92–7020 4 Screw–TTH20 95–4238 2 Gasket–Foam21 94–7616 1 Gauge–Oil

Temperature

22 95–3830 1 Gauge–Fuel23 94–7607 1 Harness–4 Light (Only

On: 73470)23 94–7608 1 Harness–6 Light (Only

On: 73540, 73541)24 95–4287 1 Guard–Latch (Only

On: 73541)

Page 20: Wheel Horse 518xi 520xi Lawn and Garden Tractor

3319–724 Rev A

17

Sheet No.:23

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Fender, Footrest and Seat AssemblyDescriptionPart No. Qty.Ref. No. DescriptionPart No. Qty.Ref. No.

1 92–6511 1 Seat (Only On: 73470)1 94–3518 1 Seat V–811 (Only On:

73540, 73541)2 95–4262 1 Decal–Fender3 38–1420 1 Switch–Seat4 3250–29 4 Screw5 94–7602 1 Switch Cruise (Only

On: 73540, 73541)6 94–2120 1 Pod–Control (Only On:

73540)6 95–4000 1 Pod–Control (Only On:

73541)6 95–4001 1 Pod–Control (Only On:

73470)7 76–1340 1 Decal–USA (Only On:

73470, 73540)8 95–4115 4 Nut–Speed9 3234–29 4 Screw–HHF

11 92–7020 4 Screw–TTH12 3256–23 17 Washer–Flat14 3296–29 27 Nut–Lock15 107069 4 Nut–Panel16 80–8760 1 Decal–Danger (Only

On: 73470, 73540)19 3290–479 18 Fastener–Panel20 94–2096 1 Pad–Footrest

21 94–2090–01 1 Footrest22 3230–16 10 Screw–CARR23 98–1621 1 Tunnel Cover ASM

(Only On: 73470,73540)

23 98–1623 1 Tunnel Cover ASM(Only On: 73541)

23:1 95–4263 1 Decal–Danger (OnlyOn: 73470, 73540)

23:1 98–1608 1 Decal–Danger (OnlyOn: 73541)

23:2 95–4107 1 Retainer–Cover23:4 94–4496 2 Screw

25 98–5025–01 1 Tunnel ASM (Only On:73470, 73540)

25 98–5058–01 1 Tunnel ASM (Only On:73541)

25:1 80–8760 1 Decal–Danger (OnlyOn: 73470, 73540)

25:1 98–5015 1 Decal–Warning (OnlyOn: 73541)

26 322–3 14 Screw–HH27 94–2095 1 Pad–Footrest28 94–2089–01 1 Footrest29 95–3858 2 Bracket–Footrest30 32144–20 4 Screw

Page 21: Wheel Horse 518xi 520xi Lawn and Garden Tractor

3319–724 Rev A

18

Sheet No.:23

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C–2736

Fender, Footrest and Seat Assembly (Continued)DescriptionPart No. Qty.Ref. No. DescriptionPart No. Qty.Ref. No.

31 98–8711–03 1 Gate–Hi Lo Shift32 32144–4 2 Screw–TAP33 94–7611 1 Harness–Rear (Only

On: 73540, 73541)34 95–4123 2 Gasket–Tail Light

(Only On: 73470)35 94–2124 2 Lamp–Taillight (Only

On: 73540, 73541)35 95–4089 2 Reflector (Only On:

73470)37 94–2112 1 Slide–Seat38 94–2177 1 Seat Slide–Latch39 94–2107–03 1 Base–Seat40 94–2106–03 2 Spring–Compression41 105503 2 Bushing42 95–4242 2 Cap–Seat Spring43 3253–4 4 Washer–Lock44 98–2390 1 Clamp–R45 37–8771 2 Bolt–Shoulder46 94–2111–03 1 Mount–Seat

Page 22: Wheel Horse 518xi 520xi Lawn and Garden Tractor

3319–724 Rev A

19

Sheet No.:24

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Smart Turn Rear AssemblyDescriptionPart No. Qty.Ref. No. DescriptionPart No. Qty.Ref. No.

1 322–6 1 Screw–HH2 94–2313 4 Retainer–Bearing3 95–4185 4 Bearing–Ball4 95–3801–03 1 Slider Lift5 94–7637 1 Rod End RH6 322–12 1 Screw HH7 322–9 2 Screw–HH8 94–2144 1 Slider–Speed Control9 94–2169 2 Standoff–Cam

10 94–7817 1 Bolt–Shoulder11 94–2145 1 Plate–Cam12 3296–29 7 Nut–Lock13 94–2168 1 Standoff–Slider14 322–10 1 Screw–HH15 94–7586 1 Arm–Return To

Neutral16 63–1590 1 Spring–Extension17 94–2309 1 Standoff–Spring18 32128–30 1 Nut–Flange19 322–3 2 Screw–HH20 94–2149–03 1 Plate–Control21 94–7814 1 Locater–Control Plate22 108881 2 Nut–Hex23 94–7913 1 Bushing–Flange24 94–7564 1 Spacer25 3256–57 1 Washer–Flat

26 3257–24 1 Key–Woodruff27 94–7816 1 Arm–Speed Control28 3256–26 1 Washer–Flat29 3296–45 1 Nut30 94–2468 1 Cam–Eccentric31 95–4245 1 Screw–Thread

Locking32 322–13 1 Screw–HH33 94–7571 1 Rod End LH34 3220–20 1 Nut–Hex Jam35 94–2497 1 Rod–Slider To Pivot36 3220–2 1 Nut–Jam38 94–7582 1 Bolt–Shoulder39 94–7500 1 Rod–Lift Lever40 3220–3 1 Nut–Hex Jam41 92–7008 1 Rod End42 95–3857 1 Screw–Button Head

Page 23: Wheel Horse 518xi 520xi Lawn and Garden Tractor

3319–724 Rev A

20

Sheet No.:25

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Hi–Lo Shift AssemblyDescriptionPart No. Qty.Ref. No. DescriptionPart No. Qty.Ref. No.

1 3296–39 1 Nut–Lock2 86–9320 2 Bushing–Nylon3 94–7504 1 Shift Rod4 94–7835 1 Spring–Torsion5 94–7833 1 Lever–Hi Lo6 3272–10 1 Pin–Cotter7 95–4022 1 Knob–Hi Lo Shift8 94–7834 1 Bracket–Pivot9 94–7507 1 Shift Rod

10 32121–16 1 Pin–Roll11 283–47 1 Pin–Clevis12 3231–22 1 Bolt–CARR13 3256–24 1 Washer–Flat

Page 24: Wheel Horse 518xi 520xi Lawn and Garden Tractor

3319–724 Rev A

21

Sheet No.:26

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Upper Parking Brake AssemblyDescriptionPart No. Qty.Ref. No. DescriptionPart No. Qty.Ref. No.

1 3296–2 4 Nut Lock (Only On:73470)

1 3296–2 6 Nut Lock (Only On:73540, 73541)

2 65–7410 2 Switch–Single Pole(Only On: 73470)

2 65–7410 3 Switch–Single Pole(Only On: 73540,73541)

3 3274–14 4 Screw–HSH (Only On:73470)

3 3274–14 6 Screw–HSH (Only On:73540, 73541)

4 3296–29 2 Nut–Lock5 94–2157–03 1 Latch–Parking Brake6 102597 1 Grip7 94–7582 1 Bolt–Shoulder8 3290–392 2 Screw–HH9 94–7905 1 Retainer–Screw

10 94–7562–03 1 Bracket–Switch11 3230–16 2 Screw–CARR12 3296–1 2 Locknut13 95–1653 1 Switch–Single Pole14 3256–23 1 Washer–Flat15 98–2358 1 Clamp–R16 108881 1 Nut–Hex

17 98–3087 1 Washer–PowerSteering

Page 25: Wheel Horse 518xi 520xi Lawn and Garden Tractor

3319–724 Rev A

22

Sheet No.:27

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C–2737

Hydro Controls AssemblyDescriptionPart No. Qty.Ref. No. DescriptionPart No. Qty.Ref. No.

1 323–7 4 Screw–HH2 3296–39 6 Nut–Lock3 63–1590 1 Spring–Extension4 94–2499 1 Link–Brake Pedal5 94–7818 1 Retainer–Screw6 3231–25 2 Screw–CARR7 3272–10 2 Pin–Cotter8 3256–24 3 Washer–Flat9 98–1636 4 Bushing–Flange

10 94–2351–03 1 Brake Bracket11 94–2343–03 1 Bracket–Support12 94–7501 1 Spacer–Pedal13 94–2345–03 1 Pivot Shaft14 94–7572 1 Tie Rod End RH15 94–2342–03 1 Bracket–Forward

Reverse16 3296–29 2 Nut–Lock17 322–5 2 Screw–HH18 98–7207 1 Hydro Pedal ASM

18:1 94–7824 1 Pad–Hydro Pedal19 94–2352–03 1 Pedal–Brake20 94–2123 1 Pad–Brake Pedal22 3296–6 1 Nut–Lock23 3220–3 1 Nut–Hex Jam24 302–5 1 Fitting–Grease

Page 26: Wheel Horse 518xi 520xi Lawn and Garden Tractor

3319–724 Rev A

23

Sheet No.:28

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Smart Turn Front AssemblyDescriptionPart No. Qty.Ref. No. DescriptionPart No. Qty.Ref. No.

1 94–7919 1 Bushing2 3296–6 1 Nut–Lock3 94–7579 1 Lever–Slow Down4 98–3499 1 Washer–Flat5 3296–29 1 Nut–Lock6 3220–16 1 Nut–HJ7 94–7573 1 Tie Rod End LH8 108881 2 Nut–Hex9 94–7582 2 Bolt–Shoulder

10 94–2409 1 Link–Slow Down

Page 27: Wheel Horse 518xi 520xi Lawn and Garden Tractor

3319–724 Rev A

24

Sheet No.:29

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Lower Parking Brake AssemblyDescriptionPart No. Qty.Ref. No. DescriptionPart No. Qty.Ref. No.

1 94–7574 2 Bushing–Flanged2 94–2375–03 1 Brake Pivot Plate3 94–7569 2 Bushing4 3296–6 1 Nut–Lock5 94–2488–03 1 Hydro Pivot6 94–7573 1 Tie Rod End LH7 94–7955 1 Screw–Lock8 3220–16 1 Nut–HJ9 94–2498 1 Rod–Pivot To Pedal

10 3220–3 1 Nut–Hex Jam11 3256–55 1 Washer–Flat12 3272–10 1 Pin–Cotter13 3256–24 2 Washer–Flat14 94–2393 1 Rod–Brake15 94–7906 1 Spring–Compression16 3296–39 1 Nut–Lock17 302–5 2 Fitting–Grease

Page 28: Wheel Horse 518xi 520xi Lawn and Garden Tractor

3319–724 Rev A

25

Sheet No.:30

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Cruise Control AssemblyDescriptionPart No. Qty.Ref. No. DescriptionPart No. Qty.Ref. No.

1 323–6 2 Screw–HH (Only On:73470)

1 323–6 4 Screw–HH (Only On:73540, 73541)

2 3296–39 2 Nut–Lock (Only On:73470)

2 3296–39 4 Nut–Lock (Only On:73540, 73541)

3 94–2494–03 1 Bracket–CruiseControl (Only On:73540, 73541)

4 94–7575 1 Spacer–Cruise (OnlyOn: 73540, 73541)

5 94–7980 1 Rod–Cruise Control(Only On: 73540,73541)

6 3256–26 2 Washer–Flat (OnlyOn: 73540, 73541)

7 3272–10 2 Pin–Cotter (Only On:73540, 73541)

8 94–7582 1 Bolt–Shoulder (OnlyOn: 73540, 73541)

9 94–2158 1 Plate–Magnet (OnlyOn: 73540, 73541)

10 93–4366 1 Magnet ASM (OnlyOn: 73540, 73541)

10:1 93–6601 1 Spring–Conical (OnlyOn: 73450, 73451)

12 66–4160 1 Spring (Only On:73540, 73541)

13 108881 1 Nut–Hex14 3256–24 2 Washer–Flat15 98–2358 2 Clamp–R

Page 29: Wheel Horse 518xi 520xi Lawn and Garden Tractor

3319–724 Rev A

26

Sheet No.:31

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C–2738

Fender and Fuel System AssemblyDescriptionPart No. Qty.Ref. No. DescriptionPart No. Qty.Ref. No.

1 95–4192 1 Gas CapASM–Unleaded

3 1 Tape4 95–4186 1 Hose–Vent5 95–3809 1 Tank–Gas

*5:1 98–3050 1 Fitting Orifice*5:2 104047 1 Bushing*5:3 99–3716 1 Fitting–Fuel Shut Off*5:4 2412–36 1 Clamp*5:5 95–3971 1 Sender–Fuel level*5:6 99–2326 1 Gasket–Fuel Sender*5:7 3250–31 5 Screw*5:8 3253–17 5 Lockwasher*5:9 95–3968 1 Fitting

*5:10 98–7390 1 Gage6 2412–94 1 R–Clamp7 3256–22 1 Washer–Flat8 3253–3 1 Washer–Lock9 321–3 1 Screw–HH

10 98–1616 3 Clamp–Tube11 323–6 1 Screw–HH12 3296–39 1 Nut–Lock14 95–4271 2 Clamp–Hose15 95–4272 1 Hose–Fuel17 94–8189 1 Clamp–Hose20 614249 1 Tie Strap

21 3256–24 1 Washer–Flat22 98–7208 1 Rear Body ASM

22:1 95–4159 1 Foam–Tank LH22:2 95–4158 1 Foam–Tank RH22:3 95–4157 1 Foam–Tank Center

* Not Illustrated

Page 30: Wheel Horse 518xi 520xi Lawn and Garden Tractor

3319–724 Rev A

27

Sheet No.:32

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Wheel AssemblyDescriptionPart No. Qty.Ref. No. DescriptionPart No. Qty.Ref. No.

1 94–2194 2 Rear Wheel & TireASM (Only On: 73470,73540)

1 95–4086 2 Rear Wheel & TireASM (Only On: 73541)

1:1 94–2193 2 Tire (Only On: 73470,73540)

1:1 95–4087 2 Tire (Only On: 73541)1:2 5108 2 Valve–Tire Tubeless1:3 110680 2 Wheel

2 83–2720 10 Bolt–Lug* 7007 2 Tube–Inner

* Not Illustrated

Page 31: Wheel Horse 518xi 520xi Lawn and Garden Tractor

3319–724 Rev A

28

Sheet No.:33

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Air Cooled Engine AssemblyDescriptionPart No. Qty.Ref. No. DescriptionPart No. Qty.Ref. No.

1 95–4125 1 Trim1 98–8077 31 Trim–Lok2 3296–29 4 Nut–Lock3 12–5450 2 Screw–Thread

Forming (Only On:73470)

3 12–5450 3 Screw–ThreadForming (Only On:73540, 73541)

4 94–7612 1 Module–Kohler5 322–3 4 Screw–HH7 240–9 1 Grommet9 1 Engine (Only On:

73470)10 98–3579 1 Decal–18hp Engine

(Only On: 73470)10 98–3580 1 Decal–20hp Engine

(Only On: 73540,73541)

11 94–7619 1 Sender–Oil Temp.12 94–7558 1 Muffler–Kohler13 321–3 6 Screw–HH14 3256–22 6 Washer–Flat15 94–7560 1 Reflector–Heat

(Kohler)16 32152–4 6 Locknut

17 92–6780 4 Nut–HHF18 323–6 4 Screw–HH19 94–7522–03 1 Shroud–Muffler20 3253–5 6 Washer–Lock21 94–7524–03 1 Shroud–Muffler22 94–7973 1 Screw–Cap23 3256–25 1 Washer–Flat24 94–2190 1 Clutch–PTO25 3253–3 2 Washer–Lock26 33113–008 2 Screw–HH27 3296–39 8 Nut–Lock28 94–2356–03 1 Clutch–Stop29 94–2068 1 Spacer–Clutch30 92–6877 1 Valve–Oil Drain31 94–2199–03 1 Plate–Engine32 323–7 3 Screw–HH33 2811–16 1 Elbow–90�34 98–7200 1 Nipple–Pipe35 323–9 4 Screw–HH36 98–5060–03 1 Bulkhead ASM (Only

On: 73470, 73540)36 98–5062–03 1 Bulkhead ASM (Only

On: 73541)36:1 98–3086 2 Foam–Kohler36:2 98–5012 1 Decal–Warning (Only

On: 73470, 73540)

Page 32: Wheel Horse 518xi 520xi Lawn and Garden Tractor

3319–724 Rev A

29

Sheet No.:33

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Air Cooled Engine Assembly (Continued)DescriptionPart No. Qty.Ref. No. DescriptionPart No. Qty.Ref. No.

36:2 98–5015 1 Decal–Warning (OnlyOn: 73541)

36:3 95–4104 1 Foam Seal37 107069 4 Nut–Panel38 95–3029 1 Cruise Module (Only

On: 73540, 73541)39 95–4117–03 2 Bracket–Bulkhead40 3256–24 2 Washer–Flat42 98–5023 1 Bumper43 32144–109 1 Screw–Taptite44 322–7 4 Screw–HH45 3253–4 2 Washer–Lock46 33104–020 2 Screw–HHF

Page 33: Wheel Horse 518xi 520xi Lawn and Garden Tractor

3319–724 Rev A

30

Sheet No.:43

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C–2740

Electrical Assembly (Model 73470 Only)DescriptionPart No. Qty.Ref. No. DescriptionPart No. Qty.Ref. No.

1 94–7603 1 Harness–Main (OnlyOn: 73470)

2 94–1867 1 Battery (Only On:73470)

3 95–7854 1 Cable–Battery Red(Only On: 73470)

4 95–7873 1 Cable–Battery Black(Only On: 73470)

5 98–7249 3 Relay (Only On:73470)

6 12–5450 4 Screw–ThreadForming (Only On:73470)

7 98–2358 3 Clamp–R (Only On:73470)

8 614249 2 Tie Strap (Only On:73470)

9 32103–22 4 Nut–Wing (Only On:73470)

10 106948 1 Tray–Battery (OnlyOn: 73470)

11 95–4042 2 Hold Down–Battery(Only On: 73470)

12 98–5056 1 Strap ASM (Only On:73470)

12:1 93–1265 1 Decal–Hot (Only On:73470)

13 94–4496 2 Screw (Only On:73470)

14 95–4044 1 Shield–Battery (OnlyOn: 73470)

15 33104–020 1 Screw–HHF (Only On:73470)

16 3253–4 1 Washer–Lock (OnlyOn: 73470)

17 98–1492 1 Wire (Only On: 73470)18 321–4 2 Screw–HH (Only On:

73470)20 98–5072 1 Tie–Cable (Only On:

73470)* 218–578 2 10 Amp Fuse* 109102 1 25 Amp Fuse* NN10277 1 30 Amp Fuse

* Not Illustrated

Page 34: Wheel Horse 518xi 520xi Lawn and Garden Tractor

3319–724 Rev A

31

Sheet No.:46

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C–2741

Electrical Assembly (Models 73540 & 73541 Only)DescriptionPart No. Qty.Ref. No. DescriptionPart No. Qty.Ref. No.

1 94–7604 1 Harness–Main (OnlyOn: 73540, 73541)

2 94–1867 1 Battery (Only On:73540, 73541)

3 95–7854 1 Cable–Battery Red(Only On: 73540,73541)

4 95–7873 1 Cable–Battery Black(Only On: 73540,73541)

5 98–7249 3 Relay (Only On: 73540,73541)

6 12–5450 4 Screw–ThreadForming (Only On:73540, 73541)

7 98–2358 3 Clamp–R (Only On:73540, 73541)

8 614249 1 Tie Strap (Only On:73540, 73541)

9 32103–22 4 Nut–Wing (Only On:73540, 73541)

10 106948 1 Tray–Battery (OnlyOn: 73540, 73541)

11 95–4042 2 Hold Down–Battery(Only On: 73540,73541)

12 98–5056 1 Strap ASM (Only On:73540, 73541)

12:1 93–1265 1 Decal–Hot (Only On:73540, 73541)

13 94–4496 2 Screw (Only On:73540, 73541)

14 95–4044 1 Shield–Battery (OnlyOn: 73540)

14 95–4092 1 Shield–Battery (OnlyOn: 73541)

15 33104–020 1 Screw–HHF (Only On:73540, 73541)

16 3253–4 1 Washer–Lock (OnlyOn: 73540, 73541)

17 98–1492 1 Wire (Only On: 73540,73541)

18 321–4 2 Screw–HH (Only On:73540, 73541)

20 98–5072 1 Tie–Cable (Only On:73540, 73541)

Page 35: Wheel Horse 518xi 520xi Lawn and Garden Tractor

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Page 36: Wheel Horse 518xi 520xi Lawn and Garden Tractor

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Page 37: Wheel Horse 518xi 520xi Lawn and Garden Tractor

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Page 38: Wheel Horse 518xi 520xi Lawn and Garden Tractor

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Page 39: Wheel Horse 518xi 520xi Lawn and Garden Tractor

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