
Contents
Description Page
. . . . . . 3Housing Assembly
. . . . . . 4Wheel and Tire Assembly No. 115-3849
. . . . . . 5Gear Case Assembly No. 110-2100
. . . . . . 6Blade, Brake and Clutch Assembly
. . . . . . 7Engine and Tank Assembly
. . . . . . 8Handle and Bail Assembly
. . . . . . 9Rear Suspension Assembly
. . . . . . 10Wheel and Tire Assembly No. 115-3813
. . . . . . 11Grass Bag Assembly No. 115-3815
Description Page
Part Description Abbreviations
Part descriptions in this catalog may include the following abbreviations.
AR. . . . . . . . . . . . . . .as required
ASM. . . . . . . . . . . . . assembly
BBC. . . . . . . . . . . . . blade brake clutch
CARR. . . . . . . . . . . . carriage
DEG. . . . . . . . . . . . . degrees
EXT. . . . . . . . . . . . . .external
FH. . . . . . . . . . . . . . .flat head
GA. . . . . . . . . . . . . . .gauge
HD. . . . . . . . . . . . . . .heavy-duty
HF. . . . . . . . . . . . . . . hex flange
HH. . . . . . . . . . . . . . .hex head
HHF. . . . . . . . . . . . . hex head flange
HHFTF. . . . . . . . . . . hex head flange thread forming
HJ. . . . . . . . . . . . . . . hex jam
HLH. . . . . . . . . . . . . .hex lag head
HOC. . . . . . . . . . . . . height-of-cut
HSBH. . . . . . . . . . . . hex socket button head
HSFH. . . . . . . . . . . . hex socket flat head
HSH. . . . . . . . . . . . . hex socket head
HWH. . . . . . . . . . . . . hex washer head
HWHTF. . . . . . . . . . .hex washer head thread
forming
HYD. . . . . . . . . . . . . hydraulic
LH. . . . . . . . . . . . . . . left hand
NI. . . . . . . . . . . . . . . nylon insert
NPTF. . . . . . . . . . . . national pipe thread fine
PFH. . . . . . . . . . . . . .phillips flat head
PPH. . . . . . . . . . . . . phillips pan head
PPHTF. . . . . . . . . . . phillips pan head thread
PRH. . . . . . . . . . . . . phillips round head
PTH. . . . . . . . . . . . . .phillips truss head
PTO. . . . . . . . . . . . . power-take-off
RH. . . . . . . . . . . . . . .right hand
ROPS. . . . . . . . . . . . roll-over protection system
SFH. . . . . . . . . . . . . .slotted fillister head
SHH. . . . . . . . . . . . . slotted hex head
SHWH. . . . . . . . . . . .slotted hex washer head
SPH. . . . . . . . . . . . . slotted pan head
SQH. . . . . . . . . . . . . square head
SRH. . . . . . . . . . . . . slotted round head
STD. . . . . . . . . . . . . .standard
TAP. . . . . . . . . . . . . .self tapping
TTH. . . . . . . . . . . . . .torx truss head
. . . . . . 12Cylinder and Crankcase Assembly
. . . . . . 13Piston and Crankshaft Assembly
. . . . . . 14Valve and Camshaft Assembly
. . . . . . 15Lubrication Equipment Assembly
. . . . . . 16Cooling Equipment Assembly
. . . . . . 17Electrical Equipment Assembly
. . . . . . 18Control Equipment Assembly
. . . . . . 19Carburetor Assembly
. . . . . . 20Air Filter and Muffler Assembly
. . . . . . 21Starter Assembly
forming
Footnotes
n
Not illustrated
o
Not serviced separately

2
111-2129 Rev B
Ref Part No. Qty. Description
Deck ASM1
10
1
Decal-Danger1:2
1
Decal-Danger1:3
1
Decal-Danger, Ce1:4
1
Nut-Lock2
2
Washer3
2
Nut-Lock, Cone4
2
Front Spring Arm ASM5
2
Spacer-Bearing6
2
Arm-Pivot, Front7
2
Spacer-Wheel8
2
Screw-Shoulder9
2
Wheel And Tire ASM10
2
Screw-HH11
2
Knob-HOC12
2
Plate-Front HOC, LH13
1
Washer14
2
Plate-Rear HOC, RH15
1
Sheild-Trailing17
1
Rod-Shield18
1
Plate-Rear HOC, LH19
1
Gear Case ASM20
1
Door-Access, Rear21
1
Screw-HH22
115-3810
110-4977
110-4978
112-8760
54-9190
115-0972
32152-2
115-0980
75-5310
61-8300
52-2480
114-3468
115-3849
323-12
110-0549
n
n
115-0960
115-0956
115-0978-08
110-0509
33-3202
115-0977-08
110-2100
107-4288
32144-17
Housing Assembly
Ref Part No. Qty. Description
24
49-2040
107-4297
107-4298
32144-32
611380
3290-171
3256-14
115-0973
49-2040
110-4876
115-0961
46-5400-03
49-2040
3256-3
95-6063
410087
4
Screw-HWHTF
Cover-Belt, Lower25
1
Cover-Belt, Upper26
1
Screw27
3
Nut-Clip28
1
Nut-Type J29
2
Washer-Flat32
1
Baffle-Chute, Floor33
1
Screw-HWHTF34
4
Guard-Engine35
1
Plate-Front HOC, RH43
1
Shield48
1
Screw-HWHTF49
3
Washer-Flat56
2
Tube-Spacer57
1
Decal-Hayter58
1
3

111-2129 Rev B
A1
Wheel and Tire Assembly No. 115-3849
Ref Part No. Qty. Description
Tire1
53-7740
o
o
52-2410
52-2440
52-2450
115-3806
321-2
3296-42
1
Wheel ASM21
Hub And Bearing ASM2:1
1
Hub-Bearing2:1:1
1
Spacer-Bearing2:1:2
1
Bearing-Wheel2:1:3
2
Plate-Wheel, Half2:2
2
Screw-HH2:3
4
Nut-Lock, NI2:4
4
4

A2
111-2129 Rev B
Gear Case Assembly No. 110-2100
Ref Part No. Qty. Description
Case-Gear, Lower2
74-1920
49-8461-03
74-1890
32151-57
47-2910
13-5149
302-63
39-6740
13-9739
47-7260
47-7270
3296-5
39-6660
29-9330
29-9340
42-4740
29-9271
60-8870
29-9570
47-6730
55-8010
39-6720
55-8020
3285-19
1
Bracket-Guide, Belt3
1
Shaft-Output4
1
Ring-Retaining5
1
Washer-Thrust6
1
Input Shaft ASM7
1
Zerk7:1
1
Pulley8
1
Upper Gearcase ASM9
1
Seal9:1
1
Bearing9:2
2
Nut-Lock10
1
Pinion-Bevel11
1
Key-Shift12
2
Collar-Shift13
1
Gear-38T14
1
Gear-42T15
1
Yoke-Shift16
1
Bushing-Yoke17
1
Seal-Oil18
2
Sleeve-Gear19
1
Sleeve20
1
Retainer-Key21
1
Pin-Groove22
1
Ref Part No. Qty. Description
8
49-2040
29-9690
46-3560
3257-1
48-2060
36-4770
252-103
36-4792
39-6650
46-3550
46-3540
74-1760
53-7950
36-4780
39-7842
108-2648-03
3256-45
Screw-HWHTF24
Washer25
1
Gear26
1
Key-Woodruff27
2
Bearing-Roller28
2
Washer29
3
Bearing-Closed30
2
Washer-Thrust31
4
Gear-18T32
1
Gear-14T33
1
Gear-12T34
1
Gear-Bevel35
1
Shaft-Intermediate36
1
Washer-Plain37
3
Key39
1
Arm-Actuating, Gear Case44
1
Washer-Flat45
1
5

111-2129 Rev B
3
Blade, Brake and Clutch Assembly
Ref Part No. Qty. Description
Retainer-Belt4
108-3790
110-2142
108-3787
3257-17
56-6180
107-4277-03
104-5936
107-0754
100-1048
107-4293
110-0508
107-4275
3212-4
91-2256-03
32144-85
1-603610
54-9190
603773
107-7477
107-0759
107-0758
605256
107-7471
3231-25
6
1
Spacer-Pulley6
1
Disc8
1
Key-Woodruff9
1
Pulley-Driver10
1
Pulley-Driver, Upper11
1
Screw-HH12
2
Drum13
1
Bearing-Ball14
3
Spacer-Plate, BBC15
2
Shield-BBC16
1
Spacer-Blade17
1
Screw-HH18
1
Blade-21 Inch19
1
Screw-HWH20
4
Washer-Spring21
2
Nut-Lock22
2
Nut23
2
Brake Arm ASM24
1
Bolt-Shoulder25
1
Spacer-Bearing26
1
Washer27
1
Plate-Guide28
1
Screw-CARR29
1
Ref Part No. Qty. Description
1
110-1790
108-3792
107-4280
107-0797
3256-16
3296-42
33104-020
32144-9
107-4292
3296-27
80-2770
Belt-BBC30
Spring-Tension, Brake31
1
Plate-Mounting, BBC32
1
Bushing33
1
Washer-Flat34
1
Nut-Lock, NI35
1
Screw-HHF36
3
Screw-TAP37
1
Spacer-BBC38
1
Nut-Lock, NI39
1
Cup-Scalp, Anti40
1

111-2129 Rev B
5
Handle and Bail Assembly
Ref Part No. Qty. Description
Handle1
107-4162-03
110-5026
115-0999-01
110-0542
115-0996
321-10
115-4453
321-3
3296-42
3296-29
3256-1
322-4
3290-456
322-7
321-9
3290-378
115-0995
321-13
322-12
115-0993
49-1631
59-4310
107-4296
115-4455
8
1
Control-Shift2
1
Latch-Lever, BBC3
1
Spacer-Flange4
2
Spring-Torsion, Latch5
1
Screw-HH6
2
Anchor-Cable7
1
Screw-HH8
3
Nut-Lock, NI9
4
Nut-Lock, NI10
4
Washer-Flat12
2
Screw-HH13
2
Washer-Belleville14
4
Screw-HH15
2
Screw-HH16
1
Tie-Cable17
4
Washer18
5
Screw-HH19
2
Screw-HH20
2
Spring-Torsion21
1
Spacer-Support22
2
Spacer23
1
Cable-BBC24
1
Bracket-Cable, BBC25
1
Ref Part No. Qty. Description
2
3296-58
107-4295
115-4454-03
110-2115
115-4452-03
92-7729
32144-110
107-4294
110-4923
108-2645
32151-86
98-4387
Nut-Lock, NI26
Cable-Shift28
1
Traction Bail ASM29
1
Decal-Control30
1
BBC Bail ASM31
1
Anchor-Cable, Upper32
1
Screw-HWH33
1
Cable-Traction36
1
Throttle Cable ASM37
1
Control-Head, Throttle38
1
E-Ring39
4
Decal-Protection, Ear44
1

7
111-2129 Rev B
Rear Suspension Assembly
Ref Part No. Qty. Description
V-Belt1
612652
32151-36
74-1810
115-0966
32152-2
62-3830
39-9160
74-1640
115-3813
323-13
74-1650
39-9650
612066
32151-68
49-7700
74-1851
47-6730
48-2060
52-2450
92-6316
115-0979
110-0549
29-9560
32121-99
1
Ring-Retaining2
2
Washer3
2
Bushing-Flange4
2
Nut-Lock, Cone5
2
Washer-Thrust, Outer6
2
Gear-Pinion7
2
Cover-Wheel8
2
Wheel And Tire ASM9
2
Screw-HH10
2
Spacer-Cover, Wheel11
2
Spring-Compression12
2
Key13
2
Ring-Retaining14
4
Washer-Thrust, Outer15
2
Pivot Arm ASM16
2
Seal-Oil16:1
1
Bearing-Roller16:2
1
Bearing-Wheel16:3
1
Zerk16:5
1
Rear Spring Arm ASM17
2
Knob-HOC18
2
Lever-Shift19
1
Pin-Coil20
1
Ref Part No. Qty. Description
1
62-3720
32144-70
n
115-3815
Clamp-Cable21
Screw-HWHTF22
1
Grass Bag ASM23
1
9

111-2129 Rev B
A3
Wheel and Tire Assembly No. 115-3813
Ref Part No. Qty. Description
Tire1
1
Wheel ASM21
Hub And Bearing ASM2:1
1
Hub-Bearing2:1:1
1
Spacer-Bearing2:1:2
1
Bearing-Wheel2:1:3
2
Screw-HH2:2
4
Nut-Lock, NI2:3
4
Plate-Wheel, Half2:4
1
Wheel Half And Gear ASM2:5
1
no
53-7740
o
52-2410
52-2440
52-2450
321-2
3296-42
115-3806
115-3848
10

111-2129 Rev B
E2
Cylinder and Crankcase Assembly
Ref Part No. Qty. Description
Gasket-Head1
108-2627
108-2501
108-2502
108-2503
108-2504
108-2505
108-2506
108-2507
108-2508
108-2509
108-2510
108-2511
108-2512
100-2804
100-2610
108-2513
108-2514
100-2763
108-2515
1
Head-Cylinder2
1
Case-Rocker3
1
Gasket4
1
Gasket-Case, Rocker5
1
Gasket-Breather6
1
Cover-Complete7
1
Cover-Breather8
1
Valve-Breather9
1
Crankcase-Complete10
1
Pin11
2
Seal-Oil12
2
Tube13
1
Bolt-Flanged14
4
Bolt-Flanged15
7
Bolt-Flange16
1
Bolt-Flange17
4
Screw-Pan18
5
Pin-Dowel19
2
12

E3
111-2129 Rev B
Piston and Crankshaft Assembly
Ref Part No. Qty. Description
Piston-Engine1
108-2516
108-2517
108-2518
108-2626
108-2520
108-2521
108-2522
1
Pin-Piston2
1
Ring-Set, Piston3
1
Crankshaft-Comp (BBC)4
1
Connecting Rod ASM5
1
Ring-Snap6
2
Bolt-Flange7
2
13

111-2129 Rev B
E4
Valve and Camshaft Assembly
Ref Part No. Qty. Description
Valve-Intake1
108-2523
108-2524
108-2525
95-9744
108-2526
108-2527
108-2528
108-2529
108-2530
108-2531
108-2532
108-2533
108-2534
93-8534
108-2535
108-2536
108-2537
1
Valve-Exhaust2
1
Retainer-Spring, Valve3
2
Collet4
4
Arm-Rocker5
2
Tappet6
2
Camshaft Valve ASM7
1
Weight8
1
Guide9
1
Rod-Push10
2
Arm11
1
Spring-Valve, Engine12
2
Screw13
2
Nut14
2
Pin15
3
Spring16
1
Bolt17
2
14

E5
111-2129 Rev B
Lubrication Equipment Assembly
Ref Part No. Qty. Description
Gasket1
100-2644
108-2538
108-2539
108-2540
108-2541
108-2542
KW10761
108-2543
108-2544
108-2545
108-2546
108-2547
100-2690
112-9991
100-2690
1
Gasket2
1
Cap ASM3
1
Rotor-Pump4
1
Rotor-Pump5
1
Pipe6
1
Filter-Oil7
1
Filler8
1
Bolt9
1
Bolt10
1
Bolt11
3
Clamp12
1
O-Ring13
1
Plug- Oil Drain14
1
O-Ring15
1
15

111-2129 Rev B
E6
Cooling Equipment Assembly
Ref Part No. Qty. Description
Bracket-Fan1
108-2548
108-2549
108-2550
108-2551
108-2552
100-2804
108-2624
108-2625
1
Screen2
1
Cover3
1
Fan4
1
Housing-Fan5
1
Bolt-Flanged6
2
Label-Manual7
1
Label-Warning8
1
16

E7
111-2129 Rev B
Electrical Equipment Assembly
Ref Part No. Qty. Description
Cover1
100-2652
108-2553
100-2653
100-2796
108-2554
108-2555
108-2556
93-8571
KW10676
108-2544
108-2558
108-2559
95-9893
100-2668
100-2798
1
Cover2
1
Insulator3
1
Terminal4
1
Coil Ignition ASM5
1
Flywheel6
1
Wire-Lead7
1
Key8
1
Spark Plug9
1
Bolt10
2
Bolt11
1
Bolt12
1
Bolt-Flanged13
2
Nut-Hex14
1
Washer-Plain15
1
17

111-2129 Rev B
E8
Control Equipment Assembly
Ref Part No. Qty. Description
Lever1
108-2560
108-2561
108-2562
108-2563
108-2564
108-2565
108-2566
108-2567
108-2568
108-2569
108-2570
108-2571
108-2572
100-2715
93-8612
95-9849
100-2718
93-8588
108-2573
108-2574
95-9853
108-2575
100-2804
108-2576
18
1
Lever2
1
Link-Choke3
1
Link-Throttle4
1
Arm-Pivot5
1
Spring-Govenor6
1
Control Panel ASM7
1
Sleeve8
1
Arm-Governor9
1
Governor ASM10
1
Bolt11
1
Nut12
1
Nut13
1
Washer14
2
Washer15
1
Clamp16
1
Collar17
2
Spring18
1
Spring-Throttle19
1
Spring20
1
Bolt21
1
Washer22
1
Bolt-Flanged23
2
Bolt-Flange24
1
Ref Part No. Qty. Description
1
108-2577
108-2578
Screw-Pan25
Pin-Snap26
1

111-2129 Rev B
E10
Air Filter and Muffler Assembly
Ref Part No. Qty. Description
Case-Filter, Air1
108-2602
108-2603
108-2604
108-2605
108-2606
108-2607
108-2608
108-2609
108-2610
108-2611
108-2612
100-2761
100-2762
108-2613
1
Element-Filter, Air2
1
Air Filter Element ASM3
1
Gasket-Pipe, Intake4
1
Gasket-Muffler5
1
Pipe-Intake6
1
Muffler7
1
Cover-Muffler8
1
Nut9
2
Bolt10
1
Nut11
1
Bolt-Stud12
2
Bolt13
2
O-Ring14
1
20