RK20H46A (1999) Page 1 of 24
CHASSIS/ENCLOSURES
RK20H46A (1999) Page 2 of 24
CHASSIS/ENCLOSURES
Ref # Part Number Qty Description
1 165480 CHASSIS.STAMPING
2 140356 SUB= 145009
3 17490612 SCREW
4 19131216 WASHER
5 155272 BUMPER-HOOD/DASH
6 155923 SADDLE
8 126471X "CLIP,INSULATOR"
9 154771X010 DASH.SILKSCREENED
10 72140608 SUB= 72110608
11 155927 "PANEL-DASH,LH"
12 145660 CLIP.TINNERMAN
13 153913 PANEL DASH
14 17490608 SCREW LT
15 74180512 SCREW
16 73510500 NUT
17 159639X428 "HOOD W/TRIM,MS428"
18 126938X SUB= 532126938
20 156437 "PLATE-MTG,BATT/FU"
23 124028X SUB= 532124028
24 74780616 BOLT
25 19131312 WASHER
26 73800600 NUT
28 157428 GRILL
29 146654X599 GRILLE.LENS
30 140002X428 "FENDER WS,FTK"
31 137113 BRKT.ASM.FENDER
33 145244X428 FOOTREST PNT LH
34 145243X428 FOOTREST.RH.LT/GT
35 72110606 BOLT
37 17490508 SCREW LT
38 139886 BRACKET ASM LH
39 139887 BRACKET ASM RH
44 140675 STRAP ASM FENDER
47 105531X NUT-PUSH YT
51 73800400 NUT
52 19091416 WASHER
53 144697 BRACKET.GRILLE.LH
54 161464 SCREW.HEX.WS.HD
55 144696 BRACKET.GRILLE.RH
57 74780412 SUB= 74780414
58 151171 AIR.DUCT.ENGINE
140 158418 BRKT SUSPENSION
145 156524 "ROD POVOT,CHASSIS"
RK20H46A (1999) Page 3 of 24
DECALS
RK20H46A (1999) Page 4 of 24
DECALS
Ref # Part Number Qty Description
1 106202X REFLECTOR-TAIL YT
2 168427 DECAL.BATT
3 168490 DECAL.HOOD.RH
4 168491 DECAL.HOOD.LH
5 168494 DECAL.GRILLE.LENS
6 168497 DECAL.CHASSIS
7 156993 DECAL SADDLE OPER
8 137259 "DECAL, WARNING"
9 168496 DECAL.FNDER.LOGO
10 157140 DECAL.CAUT.ENG/FR
11 168487 DECAL.DASH
12 168548 DECAL.MOWER
13 101892X DECAL T
14 160397 SUB= 532160397
15 168480 DECAL.FENDER.SIDE
16 168498 DECAL.STRNG.WHL
17 168492 DECAL.HOOD.REP.PRTS
20 145005 DECAL.BATRY.3-3908
142341 DECAL DRAWBAR LH
133671 FOOTREST PAD
138311 DECAL HANDLE LIFT
168670 MANUAL.O.RK20H46A
168671 OWNER'S MANUAL
RK20H46A (1999) Page 5 of 24
DRIVE
RK20H46A (1999) Page 6 of 24
DRIVE
Ref # Part Number Qty Description
1 SUPPLIER CHECK WITH SUPPLIER
2 142431 SPRING RET BRAKE
3 143995 PULLEY.TRANSAXLE
8 166020 ROD.SHIFT.FEND.ADJ.YT
9 160889 CLUTCH.ELECTRIC
10 76020416 PIN COTTER 1/8
14 10040400 LOCKWASHER
16 73800500 NUT
18 74780616 BOLT
19 73800600 NUT
20 150280 BOLT.7/16-20X4.25
21 121274X KNOB.DUCKHEAD.1/2
22 145627 ROD.BRAKE.HYDRO.
23 154978 BRACKET.CLUT.MTG.
24 73350600 NUT
25 106888X SPRING ROD LT
26 19131316 WASHER
27 76020412 COTTER PIN
28 145204 ROD.BRAKE.PARK.LT
29 124236X CAP
30 130807 TRANSAXLE MTG BKT
32 74760512 BOLT
33 72140506 BOLT
34 155071 SHAFT ASM-PEDAL F
35 120183X NYLON BEARING
36 19211616 WASHER LT
37 1572H SUB= 2882J
38 131494 FLAT IDLER PULLEY
39 74760644 BOLT
40 4470J SPACER T
41 165838 "KEEPER,BELT.IDLER FLAT"
42 19131312 WASHER
47 127783 SUB= 139245
48 154407 BELLCRANK.CLUTCH
49 123205X RETAIN BELT
50 74760624 SUB= 74930624
51 73680600 SUB= 73690600
52 73680500 SUB= 73690500
53 105710X "LINK, CLUTCH T"
55 105709X "SPRING, RETURN LT"
56 74760620 SUB= 74780620
57 140294 "BELT.GD DRV 82"""
59 140312 KEEPER BELT CNTSP
61 17490612 SCREW
62 8883R PEDAL COVER T
63 145868 PULLEY.CLUTCH.EVX
65 10040700 LOCKWASHER
66 154778 KEEPER-BELT
69 142432 SCREW HEXWSH H-L
71 140158 STRAP TORQ LH HYD
73 156347 "STRAP-TORQUE,RH"
74 121199X SPACER SPLIT
75 121749X WASHER
76 12000001 E-RING LT
77 123583X SQUARE KEY
78 121748X WASHER
81 165591 SHAFT.ASM.CROSS
82 123782X "SPRING,TORSION"
RK20H46A (1999) Page 7 of 24
DRIVE
Ref # Part Number Qty Description
83 19171216 WASHER
84 165815 LINK.TRANSAXLE.LT/YT
89 164892X428 CONSOLE.SHIFT.AUTO.YT/GT.BLACK
93 142564 "LINE FUEL HYD 4"""
94 140462 "FAN 7"" HYDRO"
95 144643 SUB= 918144643
96 4497H RETAINER M
97 140469 BOLT KEEPER RH
98 73510600 NUT
100 19111216 WASHER M
102 141322 WASHER BELLEVILLE
103 73940800 SUB= 73360800
104 140156 ARM CONTROL HYDRO
105 71070516 SCREW CAP 5/16-18
145 74490540 BOLT.HEX.FLGHD
146 74490536 BOLT.HEX.FLGHD.
147 74490524 BOLT.HEX.FLGHD
150 165850 BUSHING.BELLCRANK.GRD.DR
151 19133210 WASHER
156 166002 WASHER.SRRTD.5/16
157 153236 "BOLT,SHOULDER"
158 165589 BRKT.SHIFT.MOUNT
159 165494 HUB.SHIFT
160 19292016 WASHER
161 72140406 BOLT T
162 73680400 SUB= 73690400
163 74780416 NLA
164 19091010 WASHER.5/8X.281X10GA
165 165623 BRKT.PIVOT.LEVER
166 166880 SCREW.5/16-18X5/8
168 165492 BOLT.SHOULDER.5/16-18X.561
169 165581 PLATE.FASTENING
171 17490608 SCREW LT
RK20H46A (1999) Page 8 of 24
ELECTRICAL
RK20H46A (1999) Page 9 of 24
ELECTRICAL
Ref # Part Number Qty Description
REFER REFER TO IMAGE
1 163465 SUB= 123899X
2 74760412 BOLT LT
8 7603J "TRAY T, BATTERY"
10 145211 SUB= 150177
11 150109 HOLDDOWN BATTERY
12 145769 SUB= 150177
16 153664 SWITCH INTERLOCK
19 10090400 SUB= 10040400
20 73350400 NUT
21 166181 HARNESS.ASM.LIGHT W/4152J
22 4152J HEADLAMP BULB
24 4799J "CABLE T, BATTERY"
25 146148 CABLE.6GA.22W/16W
26 166180 FUSE.15 AMP
27 73510400 NUT
28 145491 CABLE.GRND.6GA.21
29 160784 SWITCH.PLUNGER
30 140301 SWITCH IGN 4POS
31 124211X NUT IGNITION
32 141226 COVER KEY SWITCH
33 122147X KEY
40 166149 HARNESS.IGNITION
41 71110408 BOLT HXHD FIN
42 131563 SUB= 154336
43 145673 SUB= 146154
44 73640400 NUT HXKEP 1/4X20
45 122822X AMMETER
46 110940X HOUR METER T
47 17011008 SCREW
50 154959 PTO SWITCH.BLK
51 140405 RING RETAIN PTO
55 17490508 SCREW LT
70 166666 HARNESS.ENGINE.KOHL
80 146685 HARNESS.CLUT.EVX.
81 109748X RELAY ASSY T
RK20H46A (1999) Page 10 of 24
ENGINE
RK20H46A (1999) Page 11 of 24
ENGINE
Ref # Part Number Qty Description
1 155274 SUB= 532155274
3 SUPPLIER CHECK WITH SUPPLIER
4 149723 MUFFLER.TW.LOTONE
5 146699 PIPE-EXHAUST.LH
6 146700 PIPE-EXHAUST.RH.
8 150176 BOLT.5/16-18.UNC
10 146629 SHIELD.HEAT.MUFF.
13 24-041-02 GASKET
14 13280336 PIPE NIPPLE LT
15 13200300 ELBOW
16 11050600 LOCKWASHER
17 17490624 SCREW LT
23 159880 SHIELD.BRN/DBR.GD
25 145996 CONTROL.CHOKE.37
26 73920600 "NUT,KEPS 3/8-24IM"
29 137180 SUB= 532137180
31 151346 TANK FUEL REAR
32 140527 CAP ASM FUEL
33 123487X HOSE CLAMP
34 106082X PAD-SPACER LT
35 17490512 SCREW
37 8543R FUEL LINE T
38 SUPPLIER CHECK WITH SUPPLIER
39 109227X PAD IDLER TI
40 3645J BUSHING OUTLET T
41 139277 STEM.TANK.FUEL
81 128861 NUT
101 M73030800 NUT FLANGE M8-125
102 17720410 SCREW LT
RK20H46A (1999) Page 12 of 24
MOWER DECK
RK20H46A (1999) Page 13 of 24
MOWER DECK
Ref # Part Number Qty Description
1 164811 DECK.WELDMENT.MOWER
3 138457 BRKT.ASM.SW.44/50
5 4939M SUB= 85902
6 130832 SUB= 130833
8 850857 BLADE BOLT
9 10030600 SUB= 10040600
10 140296 WASHER.HARD.BLADE
11 163819 "BLADE MULCH 46"""
11 157033 "BLADE.HIGHLIFT46"""
11 159705 BLADE.HI LIFT PRE
12 129895 BEARING.BALL
13 137553 SHAFT.ASM.W/BRNG
14 137152 HOUSING.MAND.44.V
15 110485X BEARING
16 140329 STRIPPER RND MWR
18 72140505 BOLT
19 132827 BOLT SHD 5/16-18
20 145055 BAFFFLE.VORTEX.46
21 73680500 SUB= 73690500
22 134753 STIFFENER BRKT
23 131267 DEFLECTOR BRKT
24 105304X CAP-SLEEVE LT
25 149287 SUB= 123713X
26 110452X NUT PUSH M
27 157788 SHIELD DEFLECTOR
28 19111016 WASHER
29 131491 HINGE ROD
30 157722 "SCREW-THD ROLL,WA"
31 129963 WASHER
32 153531 PULLEY.MAND.36/46
33 137266 SUB= 139729
34 144945 ANCHOR.SPRING.46
35 17490628 SCREW LT
36 19131316 WASHER
37 131494 FLAT IDLER PULLEY
38 156086 "KEEPER BELT,IDLER"
39 144917 PULLEY.DRV.DCK.46
40 137273 "SPRING.SEC.44""VEN"
41 17490620 SCREW
42 122052X SPACER RETAINER
43 144949 ARM.IDLER.DECK.46
44 133943 HARDENED WASHER
45 145059 COVER.MANDREL.46
46 137729 SCREW.1/4-20X5/8
47 144959 BELT-V.SEC.46.KEL
48 148763 BELT.MWR.PRM.85.4
49 73680600 SUB= 73690600
50 72110612 BOLT.3/8-16X1.50
51 153390 WASHER.FELT.
52 156493 "PULLEY IDLER,FLAT"
72 19131616 WASHER HYT
116 137644 BOLT.SHOULDER
117 133957 WHEEL GAGE DONUT
118 73930600 LOCKNUT
119 19121414 WASHER
126 144948 ARM.IDLER.PRIM.46
127 146763 PULLEY.IDLER.4.25
166211 "DECK.MOWER SERV. 46"""
RK20H46A (1999) Page 14 of 24
MOWER DECK
Ref # Part Number Qty Description
143651 MANDREL SERV ASM
RK20H46A (1999) Page 15 of 24
MOWER LIFT
RK20H46A (1999) Page 16 of 24
MOWER LIFT
Ref # Part Number Qty Description
1 159460 WIRE ASM W.SPRING
2 159471 "SHAFT ASM LIFT,RH"
3 105767X PIN-GROOVE LT
4 12000002 SUB= 2225J
5 19211621 WASHER
6 120183X NYLON BEARING
7 125631X GRIP HANDLE
8 124526X SUB= 125925X
11 139865 SUB= 918139865
12 139866 SUB= 151140
13 4939M SUB= 85902
15 127218 LINK.FRONT
16 73350800 NUT
17 130171 TRUNION
18 73680800 NUT LTV
19 139868 ARM SUSP REAR
20 163552 RETAINER SPRING
23 110807X NUT T
24 19131016 WASHER
25 2876H SPRING T
26 76020308 SUB= 3145
27 126971X SUB= 532126971
28 73350600 NUT
29 138057 KNOB INF 3/8-16
30 150233 TRUNNION
31 140302 BEARING PVT LH
32 73540600 NUT.CROWNLOCK.3/8
36 155097 POINTER-INDICAT
37 123935X "PLUG,HOLE"
38 17490512 SCREW
40 19112410 WASHER
41 123934X HEIGHT INDICATOR
49 145212 NUT.HXFLG.LOCK.
50 110452X NUT PUSH M
RK20H46A (1999) Page 17 of 24
SCHEMATIC
RK20H46A (1999) Page 18 of 24
SCHEMATIC
Ref # Part Number Qty Description
REFER REFER TO IMAGE
RK20H46A (1999) Page 19 of 24
SEAT ASSEMBLY
RK20H46A (1999) Page 20 of 24
SEAT ASSEMBLY
Ref # Part Number Qty Description
1 140118 SEAT.2500/1516.BK
2 140551 BRACKET PVT SEAT
3 73800600 NUT
5 145006 CLIP.PUSH-IN.HING
6 STD541437 NUT
7 124181X SPRING COMPRESSIO
10 155925 PAN-SEAT
11 166369 KNOB.SEAT.ADJ.WINGNUT
12 121246X BRKT SWITCH
13 121248X BUSHING
14 72050412 BOLT-RD HD SQ NK
15 121249X SPACER SPLIT
16 123740X SPRING COMPRESSED
17 123976X SUB= 73900400
18 124238X CAP SPRING
21 153236 "BOLT,SHOULDER"
22 73800500 NUT
24 19171912 WASHER
25 127018X "BOLT,SHOULDER"
27 17490608 SCREW LT
28 150176 BOLT.5/16-18.UNC
RK20H46A (1999) Page 21 of 24
STEERING ASSEMBLY
RK20H46A (1999) Page 22 of 24
STEERING ASSEMBLY
Ref # Part Number Qty Description
1 121472X SUB= 150546
2 137094 SUB= 532137094
3 157479 "SPINDLE ASM,LH"
4 157478 "SPINDLE ASM,RH"
5 6266H WASHER .T
6 121748X WASHER
7 19272016 WASHER
8 12000029 RING
10 154432 LINK.DRAG
11 10040600 LOCKWASHER
13 167118 BEARING.FRT.SPACER.AXLE
15 73901000 "NUT-LOC,FLANGE LT"
17 156546 SHAFT ASM STEERIN
18 57079 THRUST WASHER
19 160395 SUPPORT.SHAFT.STEER
22 165857 SCREW.HX.WSH.HD
23 165851 SHAFT.ASM.PITMAN
25 154406 BRKT-STEERING
27 136874 GEAR SECTOR
29 17490612 SCREW
32 137347 ROD.ASM.TIE.BALL
36 155105 "BUSHING,STEERING"
37 152927 "SCREW-TT,10-32 FL"
38 126805X "INSERT,STR WHEEL"
39 10040600 LOCKWASHER
40 7810H GRIPCO NUT
41 100711L ADAPTER LT
42 145054 BOOT.STEER.PL
43 121749X WASHER
44 153720 EXT SHAFT STEERIN
46 121232X CAP
47 6855M ZERK M
51 73800500 NUT
54 74780520 BOLT
62 167902 KIT.STEER.ASM
63 74780616 BOLT
65 154780 SPACER AXLE
66 154404 "BEARING-ARM,PITMA"
67 74781044 BOLT
68 154429 BRACE AXLE
74 109850X JOINT.RH
75 109851X JOINT.LH
76 137156 SUB= 137347
77 73700600 NUT
78 73360600 NUT
79 19132012 WASHER
80 74950612 BOLT.HX.NYLON3/8-16X3/
RK20H46A (1999) Page 23 of 24
WHEELS/TIRES
RK20H46A (1999) Page 24 of 24
WHEELS/TIRES
Ref # Part Number Qty Description
1 59192 VALVE CAP
2 65139 VALVE STEM LT
3 106222X SUB= 122073X
4 PARTSIMAGE REFER TO PARTS IMAGE
4 59904 TUBE.5.3/4.5/6
5 106732X427 "RIM ASM 6"" FRT"
6 278H FITTING LT
7 9040H "FLANGE, BEARING"
8 106108X427 "RIM AS 8"" REAR"
9 122082X SUB= 918122082X
10 PARTSIMAGE REFER TO PARTS IMAGE
10 7152J TUBE.18X9.5-8
11 104757X HUB CAP
144334 SEALANT.TIRE 10 OZ. TUBE
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