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KEY PART
NO. NO. DESCRIPTION
KEY PART
NO. NO. DESCRIPTION
NOTE: All component dimensions given in U.S. inches
1 inch = 25.4 mm
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 mulch-
ing 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 As sem bly, 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 Baffl e, Vortex
21 73680500 Nut
23 177563 Bracket, Defl ector Mower 42"
24 105304X Cap, Sleeve 80 x 112 Blk Mower
25 123713X Spring, Torsion, Defl ector 2 52
26 110452X Nut, Push Phos & Oil
27 130968X428 Shield, Defl ector 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
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 Hous-
ing, 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)
REPAIR PARTS
TRACTOR - MODEL NUMBER PR20PH42STD, PRODUCT NO. 954 56 78-33
MOWER DECK