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PR20PH42STD (2003) Page 1 of 23
Chassis And Enclosures
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PR20PH42STD (2003) Page 2 of 23
Chassis And Enclosures
Ref # Part Number Qty Description
1 174619 Chassis
2 176554 Drawbar
3 17060612 Screw 3/8-16 x 3/4
9 163976X428 Dash
10 72140608 Bolt 3/8-16 x 1
11 167203 Panel Dash Lh
13 178298 Panel Dash Rh
14 17490608 Screw Thdrol 3/8-16 x 1/2
17 175260X428 Hood
18 164655 Extrusion Bumper
20 162026 Plate Battery
26 73800600 Nut Lock Hex W/Ins 3/8-16 Unc
28 175289X428 Grille
29 179761 Light Box Asm W/Lens
30 175692X428 Fender
31 139976 Bracket Fender
37 17490508 Screw Thdrol 6/16-18 x 1/2 TYT
38 175710 Bracket, Asm. Pivot Mower Rear
54 161464 Screw Hex Wshd 8-18 x 7/8
58 175351 Duct Hood
59 177579 Bushing Snap
60 72140606 Bolt Rd Hd Sqnk 3/8-16 Unc x 3/4
64 174997 Dash Lower
74 73680600 Nut Crownlock 3/8-16 Unc
142 175702 Plate Reinforcement STLT
143 154966 Bracket Swaybar Chassis
144 175582 Bracket Footrest
145 156524 Rod Pivot Chassis/Hood
154 161897 Bracket Dash Rh
155 161900 Bracket Dash Lh
156 163805 Striker Plate
157 163806 Magnet Stealth
158 162037 Bracket Parking Brake
159 155123X428 Cupholder
166 171875 Screw Hw Hd Hi-Lo #13-16 x 3/4
206 170165 Bolt Shoulder 5/16-18
209 17000612 Screw Hexwsh Thdrol 3/8-16 x 3/4
213 169848X428 Skirt Grille Lh
214 169847X428 Skirt Grille Rh
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PR20PH42STD (2003) Page 3 of 23
Decals
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PR20PH42STD (2003) Page 4 of 23
Decals
Ref # Part Number Qty Description
1 164095 Decal Dash
2 176303 Decal Fender Auto
3 176273 Decal Hood LH
4 177020 Decal Side Panel
5 170851 Decal HP Engine
6 173587 Decal Reflector Rh
7 173589 Decal Reflector Lh
8 170563 Decal Warning Mower
9 172740 Decal Fender Logo
10 157140 Decal Fender Danger E/F
11 172743 Decal Ins Strg Whl
12 177982 Decal Fender Oper Cruise
13 185440 Decal Final Replace Part
14 160396 Decal V-Belt Schematic
15 179128 Decal Deck B" 42"
16 176272 Decal Hood Rh
20 145005 Decal Bat Dan/Psn
169210 Decal By Pass Lt Hydro
174998X428 Pad Footrest Lh
175542X428 Pad Footrest Rh
186914 Manual Owner's (English)
186915 Manual Owner's (French)
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PR20PH42STD (2003) Page 5 of 23
Drive
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PR20PH42STD (2003) Page 6 of 23
Drive
Ref # Part Number Qty Description
1 Transaxle Hydro gear Model 336-0510 (Order parts from
transaxle manufacturer)
6 17060512 Screw 5/16-18 x 3/4
9 180505 Clutch Elec
15 74490544 Bolt Hex Flghd 5/16-18 Gr. 5
16 73800500 Nut Lock Hex W/Ins. 5/16-18 Unc
17 126197X Washer 1-1/2 OD x 15/32 ID x .250
19 73800600 Nut Lock Hex W/Wsh 3/8-16 Unc
20 173937 Bolt Hex 7/16-20 x 4
21 175036X421 Knob Custom Control Cruise
22 175896 Rod, Brake
24 73350600 Nut, Hex Jam 3/8-16 Unc
25 106888X Spring, Brake Rod
26 19131316 Washer
27 76020412 Pin Cotter 1/8 x 3/4 CAD.
28 175765 Rod, Parking Brake
29 71673 Cap, Brake, Park
30 169592 Bracket, Transaxle
32 74760512 Bolt Hex Hd 5/16-18 Unc x 3/4
33 72140506 Bolt Rdhd Sqnk 5/16-18 Unc x 3/4
34 175578 Shaft, Foot Pedal
35 120183X Bearing, Nylon
36 19211616 Washer
37 1572H Pin, Roll
38 179114 Pulley, Composite, Flat
39 74760648 Bolt Fin Hex 3/8-16 Unc x 3
41 175556 Keeper, Belt Idler Flat
47 127783 Pulley, Idler, V-Groove
48 154407 Bellcrank Clutch Grnd Drw Stl
49 123205X Retainer, Belt
50 72110612 Bolt
51 73680600 Nut Crownlock 3/8-16 UNC
52 73680500 Nut, Crownlock 5/16-18 Unc
53 105710X Link, Clutch
55 105709X Spring, Return, Clutch
56 17060620 Screw 3/8-16 x 1.0
57 140294 V-Belt, Ground Drive
59 169691 Keeper, Center Span
61 17120614 Screw 3/8-16 x .875
62 8883R Cover, Pedal
63 174607 Pulley, Engine
65 10040700 Washer
66 154778 Keeper Belt Engine
74 137057 Spacer, Axle
75 121749X Washer 25/32 x 1-1/4 x 16 Ga.
76 12000001 E-Ring
77 123583X Key, Square
78 121748X Washer 25/32 x 1-5/8 x 16 Ga.
89 174901X428 Console, Shift
90 124346X Nut Self-Thd Wsh-hd 1/4 Zinc
95 180825 Rod Bypass
96 4497H Retainer Spring 1" Zinc/Cad
116 72140608 Bolt RDHD SQNK 3/8-16 Unc x 1
120 73900600 Nut Lock Flg 3/8-16 Unc
150 175456 Spacer Retainer
151 19133210 Washer 13/32 x 2 x 10 Ga.
202 72110614 Bolt Carr Sh 3/8-16 x 1-3/4 Gr. 5
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PR20PH42STD (2003) Page 7 of 23
Drive
Ref # Part Number Qty Description
212 145212 Nut Hex Flange Lock
214 174735 Link Transaxle
217 179433 Pedal Assy, Reverse, with Pad
218 174713 Arm Control Pedal Reverse
219 174839 Bracket Frest Pdl Ctrl. Hyd
220 174711 Bracket Mtg. Pedal Control
221 72140606 Bolt Rdhd Sqnk 3/8-16 Unc x 3/4
222 73680700 Nut Crownlock 7/16-14 Unc
223 174840 Washer Nylon 11/16 ID x .060
224 174736 Pedal Forward
225 174712 Arm Control Pedal Forward
226 174902 Bolt Pivot Spacer
227 174710 Cam Reverse Pedal LT
228 179032 Bolt Shoulder 5/16-18
229 176451 Washer Serrated 5/16 x .75
231 174573 Strap Torque
232 175570 Actuator Cruise Disengage
233 174856 Pawl Control Cruise
234 174858 Lever Control Cruise
235 174857 Sector Control Cruise
236 128903 Bolt Shoulder 3/8-16 Unc 1/44
237 170165 Bolt Shoulder 5/16-18
238 175807 Arm Mtg. Cruise Sector
239 17490508 Screw Thdrol 5/16 x 1/2
240 175610 Spring Return Cruise Control
241 73930400 Nut Centerlock 1/4-20 Unc
242 74780412 Bolt Fin Hex 1/4-20 Unc x .75
243 178289 Bracket Anti-Rotation CVX
244 166880 Screw 5/16-18 x 5/8
250 17060612 Screw 3/8-16 x .75
251 17060516 Screw 5/16-18 x 1
253 179422 Washer .3125 x .615 x 16 Ga.
254 178062 Clip Retainer
272 17670508 Screw, 5/16-18 x 1/2 TT
273 179610 Pad, Reverse Pedal
274 175646 Cover Pedal Forward
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PR20PH42STD (2003) Page 8 of 23
Electrical
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PR20PH42STD (2003) Page 9 of 23
Electrical
Ref # Part Number Qty Description
1 144927 Battery
2 74760412 Bolt Hex Hd 1/4-20 Unc x 3/4
8 7603J Tray, Battery
10 145211 Bolt, BTR FRT 1/4-20 x 7.5
11 150109 Hold Down Battery, Front
12 145769 Nut, Push, Nylon
16 176138 Switch Interlock Push-In
21 175688 Harness Asm Light W/4152j
22 4152J Bulb Light
24 8860R Cable Battery
25 146148 Cable Batterywire
26 175158 Fuse
27 73510400 Nut Keps Hex 1/4-20 Unc
28 145491 Cable Ground
29 160784 Switch Plunger Normal OP Olive
30 175566 Switch Ign 4 pos w/lights
33 140401 Key Ign
40 186845 Harness Ign.
41 17720408 Bolt Blk Fin Hex 1/4-20 x 1/2
42 131563 Cover Terminal Red
43 178861 Solenoid
45 122822X Ammeter Rectangular
50 174653 Switch, PTO
52 141940 Protection wire Loop (Hour Meter)
55 17490508 Screw Thdrol 5/16-18 x 1/2
79 175242 Socket Asm Bulb Twistlock
81 109748X Relay Asm
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PR20PH42STD (2003) Page 10 of 23
Engine
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PR20PH42STD (2003) Page 11 of 23
Engine
Ref # Part Number Qty Description
1 175437X428 Control Throttle
2 171875 Screw Hwhd Hi-Lo #13-16 x 3/4
3 Engine, Briggs Model 407777 (Order parts from engine mfg.)
4 149723 Muffler Asm Twin Lo-Tone
5 159955 Pipe Exhaust LH Intek
6 160589 Pipe Exhaust RH Intek
8 171877 Bolt 5/16-18 Unc x 3/4 w/Sems
10 162797 Shield Browning Intek II
13 165391 Muffler Gasket
16 11050600 Washer Lock Ext Tooth 3/8
17 17060624 Screw Thdrol 3/8-16 x 1-1/2
23 169837 Shield Heat
25 175440X428 Choke Control
26 73920600 Nut, Keps 3/8-24 Unf
29 137180 Kit Spark Arrestor (Flat Scrn)
31 157103 Tank Fuel 3 50 Rear
32 140527 Cap Asm Fuel W/sym Vented
33 123487X Clamp Hose Black
34 106082X Pad, Spacer
37 8543R Line Fuel
38 181654 Plug Drain Oil Easy
39 109227X Pad Idler
45 17000612 Screw Hexwsh Thdr 3/8-16 x 3/4
72 183906 Screw Socket Head 5/16-18 x 1
81 73510400 Nut Keps Hex 1/4-20 Unc
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PR20PH42STD (2003) Page 12 of 23
Mower Deck
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PR20PH42STD (2003) Page 13 of 23
Mower Deck
Ref # Part Number Qty Description
1 182032X421 Mower Deck Assembly, 42"
2 72140506 Bolt
3 138017 Bracket Asm Fr. Sway Bar 3/42
4 165460 Bracket Asm Deck 42" Sway Bar
5 4939M Retainer Spring
6 178024 Bar Sway Deck
8 850857 Bolt 3/8-24 x 25 Grade 8 patched
9 10030600 Washer, Lock
10 140296 Washer, Hardened (The following Blades are available)
11 134149 Blade, Mulching 42" Std (For mulching mowers only)
139775 Blade Mulching 42" Premium (For better wear when
mulching)
138971 Blade Mower 42" Hi-Lift (For bagging and discharging)
13 137645 Shaft Assembly, Mandrel, Vented
14 128774 Housing, Mandrel, Vented
15 110485X Bearing, Ball, Mandrel
16 174493 Stripper, Mandrel Deck
18 72140506 Bolt, Carriage 5/16-18 x 3/4
19 132827 Bolt, Shoulder
20 159770 Baffle, Vortex
21 73680500 Nut
23 177563 Bracket, Deflector Mower 42"
24 105304X Cap, Sleeve 80 x 112 Blk Mower
25 123713X Spring, Torsion, Deflector 2 52
26 110452X Nut, Push Phos & Oil
27 130968X428 Shield, Deflector 42" Blk
28 19111016 Washer 11/32 x 5/8 x 16 Gauge
29 131491 Rod, Hinge 42" 6 75 W/G
30 173984 Screw Thdrol Washer Head
31 129963 asher, Spacer Mower Vented
32 173436 Pulley, Mandrel
33 178342 Nut, Toplock Flange
34 72110614 Bolt
36 173438 Pulley, Idler, Flat
37 19131316 Washer 13/32 x 13/16 x 16 Gauge
40 73680600 Nut
44 140088 Guard, Mandrel, LH
45 4497H Retainer
46 137729 Screw, Thdrol 1/4-20 x 5/8 T
54 178515 Washer, Hardened
55 155046 Arm, Idler
56 122052X Spacer, Retainer
59 173442 Guard TUV Idler
61 174882 Spring Ext. Elect Clutch
68 174883 V-Belt, 42" Mower
91 180532 Bracket Asm Noseroller LH
92 73800600 Nut Lock Hex W/Ins 3/8-16unc
94 132264 Roller Nose 38 & 42
95 180533 Bracket Asm Noseroller RH
101 136420 Mulcher Cover
102 71081010 Screw Pan HD Phillip 10-24 x 5/8
103 19061216 Washer, Flat
104 10071000 Washer, Lock
105 160793 Latch Assembly
106 2029J Nut, Weld
113 17060512 Screw Tapping 5/16 - 18 x 3/4
116 184219 Bolt, Shoulder
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PR20PH42STD (2003) Page 14 of 23
Mower Deck
Ref # Part Number Qty Description
117 133957 Wheel, Gauge
118 73930600 Nut Centerlock 3/8-16
119 19121414 Washer 3/8 x 7/8 x 14 Ga.
129 19131312 Washer 13/32 x 13-16 x 12 Ga.
130 74780616 Bolt Fin Hex 3/8-16unc x 1 Gr. 5
131 72140608 Bolt RDHD 3/8-16unc x 1
132 17000612 Screw 3/8-16 x .75
134 156941 Pin Head Pivet
135 159765X421 Brkt Asm Whl Ga. R.LH
136 155986 Bar Adjusting Gauge Wheel
137 72110505 Bolt Carr. 5/16-18 x 5/8
138 159763X421 Brkt Asm Whl Ga. R. RH
139 159767X421 Brkt Asm Whl Ga. F. RH
140 159768X421 Brkt Asm Whl Ga. F. LH
143 157109 Bracket Arm Idler 42"
144 173441 Keeper Belt 42" Clutch Cable
145 173437 Pulley Idler Flat
146 173443 Bolt Carriage Idler
148 169022 Spring Return Idler
149 165898 Retainer Spring Yellow
150 19091216 Washer 9/32 x 3/4 x 16 Ga.
159 72140614 Bolt Rdhd Sqn 3/8-16 UNC x 1-3/4
182 179126 Rod Roller Nose
183 163552 Retainer Spring
184 19131410 Washer 13/32 x 7/8 x 10 Ga.
130794 Mandrel Assembly (Includes Housing, Shaft and Shaft
Hardware Only - Pulley Not Included)
181542 Replacement Mower, Complete (Std. Deck - Order
separately mulcher cover, nose roller and gauge wheel
components Key Nos. 101-106, 91, 94, 95, 132, 182, 183, 5,
116-119, 134, 136)
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PR20PH42STD (2003) Page 15 of 23
Mower Lift
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PR20PH42STD (2003) Page 16 of 23
Mower Lift
Ref # Part Number Qty Description
1 159461 Wire Asm Inner/Sprg W/plunger
2 159476 Shaft Asm Lift RH w/Inf
3 138284 Pin Groove
4 12000002 E Ring #5133-62
5 19211621 Washer 21/32 x 1 x 21 Ga
6 120183X Bearing Nylon Blk 629 Id
7 125631X Grip Handle
8 170770 Button Plunger
11 139865 Link Lift LH
12 139866 Link Lift RH
13 4939M Retainer Spring
15 173288 Link Suspension Front
16 73350800 Nut Jam Hex 1/2-13 Unc
17 175689 Trunnion Front Susp.
18 73800800 Nut Lock w/Wsh 1/2-13unc
19 139868 Arm Asm Suspension Mower
20 163552 Retainer Spring
23 110807X Nut Special
24 19131016 Washer 13/32 x 5/8 x 16 Ga
25 164024 Spring
26 169484 Retainer Clip
27 164543 Rod Adj Lift
28 73350600 Nut Hex Jam 3/8-16 Unc
29 138057 Knob Inf 3/8-16 Unc Blk W/sym
30 150233 Trunnion Infin Height
31 169865 Lift Pivot Bearing
32 73540600 Nut Crownlock 3/8-24
36 155097 Pointer Height Indicator
37 123935X Plug Hole Blk 1.485/1.515 Dia.
38 17060516 Screw 5/16-18 x 1
40 19112410 Washer 11/32 x 1-1/2 10 Ga.
41 155098 Indicator Height STLT
49 145212 Nut Hex Flange Lock
50 110452X Nut PUsh Phos & Oil
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PR20PH42STD (2003) Page 17 of 23
Schematic
Page 18

PR20PH42STD (2003) Page 18 of 23
Seat Assembly
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PR20PH42STD (2003) Page 19 of 23
Seat Assembly
Ref # Part Number Qty Description
1 171684 Seat
2 140551 Bracket Pivot Seat 8 720
3 71110616 Bolt Fin Hex 3/8-16 Unc x 1
4 19131610 Washer Flat 13/32 x 1 x 10 Ga.
5 145006 Clip Push-In
6 73800600 Nut Hex w/Ins. 3/8-16 Unc
7 124181X Spring Seat Cprsn 2 250 Blk Zi
8 17000616 Screw 3/8-16 x 1
9 19131614 Washer 13/32 x 1 x 14 Ga.
10 182493 Pan Seat
11 166369 Knob Seat Adj. Wingnut
12 121246X Bracket Mounting Switch
13 121248X Bushing Snap Blk Nyl 50 Id
14 72050412 Bolt Rdhd Sqnk 1/4-20 x 1-1/2
15 121249X Spacer Split 28x 88
16 123740X Spring Cprsn
17 123976X Nut Lock 1/4 Lge Flg Gr 5 Zinc
21 171852 Bolt Shoulder 5/16-18 Unc
22 73800500 Nut Hex Lock W/Ins 5/16-18
24 19171912 Washer 17/32 x 1-3/16 x 12 Ga.
25 127018X Bolt Shoulder 5/16-18 x 62
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PR20PH42STD (2003) Page 20 of 23
Steering Assembly
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PR20PH42STD (2003) Page 21 of 23
Steering Assembly
Ref # Part Number Qty Description
1 180656 Wheel Steering
2 184706 Axle Asm
3 169840 Spindle Asm LH
4 169839 Spindle Asm RH
5 6266H Bearing Race Thrust Harden
6 121748X Washer 25/32 x 1-5/8 x 16 Ga
8 12000029 Ring Klip #t5304-75
10 175121 Link Drag
11 10040600 Washer Lock Hvy Hlcl Spr 3/8
12 73940800 Nut Hex Jam Toplock 1/2-20 Unf
13 136518 Spacer Brg Axle Front
15 145212 Nut Hex Flange Lock
17 177883 Shaft Asm Strg
29 17060612 Screw 3/8-16 x 3/4
32 171888 Rod Tie
33 19111216 Washer 11/32 x 3/4 x 16 Ga.
34 10040500 Washer Lock Hry Hlcl Spr 5/16
35 73540500 Nut Crownlock 5/16 - 24 Unf
36 155105 Bushing Strg
37 152927 Screw TT #32.5 x 5 x 3/8 Flange
38 180657 Cap Wheel Steer
39 19182411 Washer 9/16 ID x 1/20 OD 11 Ga.
40 7810H Nut Lock Center 3/8-24 Unf
41 159945 Adaptor Wheel Strg
42 180856X428 Boot Steering
43 121749X Washer 25/32 x 1 1/4 x 16 Ga
46 121232X Cap Spindle Fr Top Blk
65 160367 Spacer Brace Axle
67 72140618 Bolt Rdhd Sqn 3/8-16 x 2-1/4
68 169827 Brace, Axle
71 175146 Steering Asm.
82 169835 Bracket Susp Chassis Front
87 173966 Washer Flat .781 x 1-1/2 x .14
88 175118 Bolt Shoulder 7/16-20 Unc
91 175553 Clip
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PR20PH42STD (2003) Page 22 of 23
Wheels & Tires
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PR20PH42STD (2003) Page 23 of 23
Wheels & Tires
Ref # Part Number Qty Description
1 59192 Cap Valve Tire
2 65139 Stem Valve
3 170455 Tire F T 15 x 6 0 - 6 Service
4 59904 Tube Front (Service Item Only)
5 106732X421 Rim Asm 6" front Service
6 278H Fitting Grease (Front Wheel Only)
7 9040H Bearing Flange (Front Wheel Only)
8 106108X421 Rim Asm 8"rear Service
9 170456 Tire R T 20 x 10 -8 C Service
10 7152J Tube Rear (Service Item Only)
11 104757X421 Cap Axle 1 50 x 1 00
144334 Sealant, Tire (10 oz. Tube)