
PR55R21AD (2004) Page 1 of 3
General Assembly

PR55R21AD (2004) Page 2 of 3
General Assembly
Ref # Part Number Qty Description
1 131696 Control Bar
2 166860X479 Upper Handle
3 161105X479 Lower Handle
4 179585 Rope Guide
5 73800400 Locknut 1/4-20
6 131959 Handle Bolt
7 66426 Wire Tie
8 161551 Bolt
9 154132 Hinge Bracket
10 165754 Mulcher Door
11 130861 Engine Zone Control Cable
12 750634 Hex Washer Head Screw #10-24 x 1/2
13 850733X004 Up-Stop Bracket
14 136376 Handle Knob
15 51793 Hairpin Cotter
16 147286 Hinge Rod
17 165946X479 Support Bracket
18 17600406 Screw
19 186577X004 Axle Arm Assembly, LF
20 186578X004 Axle Arm Assembly, RF
21 188987 Rear Skirt
22 168360X004 Selector Spring, Front
23 186612 Kit, Rear Door Assembly (Includes Springs, Key Numbers
42 and 43)
24 73800500 Locknut 5/16-18
25 186212X479 Handle Bracket Assembly, LH
26 186213X479 Handle Bracket Assembly, RH
27 74780512 Screw 1/4-20 x 3/8
28 152124 Hinge Spring
29 160835X007 Wheel Adjusting Bracket, Front
30 183901 Washer
31 165760 Clip on Discharge Guard
32 168360X004 Selector Spring, Rear
33 170143 Selector Knob
34 180409X004 Axle Arm Assembly, LR
35 73990500 Nut, Hex
36 164362 Shoulder Bolt 5/16-18
37 181383 Wheel Assembly
38 160828 Bolt, Shoulder
39 83923 Flanged Locknut
41 88652 Hinge Screw
42 165766 Spring, LH
43 165767 Spring, RH
44 185819 Rod
45 150406 Hex Head Thread Rolling Screw 3/8-16 x 1
46 107339X Danger Decal
48 180410X004 Axle Arm Assembly, RR
52 174161 Kit, Lawn Mower Housing Assembly (Includes Key Numbers
17, 18 and 46)
53 851084 Hex Head Screw 3/8-24 x 1-3/8 Grade 8
54 850263 Helical Lockwasher
55 851074 Hardened Washer
56 189028 21" Blade
57 184590 Blade Adapter
58 88652 Hinge Screw
59 751152 Nut, Hex
67 188973 Grass Bag