21" Self Propelled Rear Bagger WRRBSP21D

This document provides a detailed parts diagram and comprehensive parts list for the MTD 21" Self Propelled Rear Bagger lawnmower, model WRRBSP21D. The diagram illustrates the exploded view of the lawnmower's components, showing their relative positions and assembly points. The accompanying parts list identifies each component with its index number, part number, and a textual description, facilitating maintenance, repair, and identification of replacement parts.

Main Lawnmower Parts List

Index No.	Part No.	Description
1	029967	Deck
2	029298	Bracket-idler mount
3	024174	Drive support bracket
4	030338	Blade 21" offset
5	041111	Wheel 8" x 1.75 front
6	050716	Throttle control w/cable
7	050757	Control - ground drive w/cable
8	050997	Cable - engine/blade control
9	071449	Handle - lower
10	071100	Handle - upper
11	090589	Back plate - front adjuster
12	090613	Setting lever - front adjuster
13	090977	Wheel lever - front adjuster
14	090746	Setting lever - rear adjuster
15	090761	Back plate rear adjuster
16	090910	Wheel lever - rear LH
17	090894	Wheel lever - rear RH
18	107367	Bail - engine/blade control
19	105825	Baffle - front
20	106005	Blade washer
21	106807	Handle bracket - R.H.
22	106815	Handle bracket - L.H.
23	106930	Catcher hook
24	107128	Drive support mtg. brkt.
25	107151	Backing strip
26	108324	Latch - rear bagger
27	108357	Drive shaft
28	107193	Idler arm
29	108647	Stepped sleeve
30	127191	Baffle Assembly
31	128157	Height Adjuster Assembly rear LH
32	128165	Height Adjuster Assembly rear RH
33	111526	Actuator - engine control
34	110379	Cable tie
35	110510	Plastic tip rear adjuster
36	111260	Plastic tip - front adjuster
37	111872	Dust cover rear wheel
38	111518	Belt cover
39	111633	Vinyl trailing shield
40	111369	Knob catcher latch
41	126466	Blade adapter
42	128140	Wheel - rear, w/gear
43	133371	Torsion spring - catcher latch
44	143115	Decal - Danger
45	144162	Decal - door caution
46	149468	Decal - blade warning
47	144899	Decal - starting instructions
48	150771	Washer - %
49	150011	Carriage bolt - 4-20 x %
50	150730	Wheel bolt- front
51	150201	Curved washer - 5/16
52	150276	Woodruff key #6
53	150623	Bolt - slotted hex #10 x %
54	790451	Ring - retainer
55	151944	Bolt-machine-10-24 x 2
56	153601	Self tap screw 14-20 x ¼
57	151449	Washer - wheel retaining
58	151613	Bolt hex head sems #10-32 x %
59	151621	Screw - self drilling #6-20 x ½
60	150235	Wing nut 5/16-18
61	151928	Curved head bolt 5/16 - 18 x 1.75
62	152074	Rope stop
63	152405	Bolt - carriage %-16 x 4
64	152413	Washer - plastic % x 11/32 x .095
65	152421	Washer - spring
66	152496	Bolt-blade-w/lockwasher
67	152629	Eyebolt - Rope guide
68	152637	Spacer - bagger latch
69	152660	Bolt-hex washer HD. 4-20 x 1½
70	153643	Bolt-shoulder
71	128686	Height Adjuster Assembly - front
72	154393	Nut - Snap in ¼- 20
73	153817	Bolt-hex head %-16 x ½
74	153841	Snapring %
75	153858	Spring washer %
76	152553	Thrust washer ½" I.D.
77	153908	Bolt - Hook
78	170456	Pulley - %" bore
79	170464	Bearing - flange ball
80	170530	Pulley - ext hub %" - bore
81	170670	Pulley - drive ½" bore
82	170993	Pinion - ratchet R.H.
83	170985	Pinion - ratchet L.H.
84	170811	Drive pawl
85	170829	V-belt
86	170878	Idler - pulley
87	310151	Nut - nylon insert - 5/16-18
88	312322	Bolt-hex hd. %-16 x 1.75
89	313510	Bolt hex hd 5/16-18 x 4
90	326348	Shouldered spacer
91	449587	Bolt hex hd 4-20 x %
92	151985	Nut-hex 10-24
93	152181	Screw - bail retaining
94	451419	Nut - TL flange 4-20
95	452318	Nut - hex nylon insert #10-24
96	457168	Bolt-thread form %-16 x
97	458687	Bolt-hex #10-24 x ½
98	714170	Decal - Model Number
99	715011	Hairpin Cotter
100	715037	Nut - keps - 20
101	715078	Nut - flange whiz ½ - 20
102	715086	Locknut-hex - % -16
103	715193	Roll pin 3/16 x 1
104	715524	Nut-hex%- 16 Jam
105	715292	Bolt hex head ¼ - 20 x 1
106	715300	Washer flat ¼"
107	715607	Washer - belleville %
108	715417	Washer - %
109	715508	Nut top lock-4-20
110	468801	Sleeve - idler cable
111	789883	E-ring
112	150318	Cable clamp
113	127167	Door assembly

Grass Catcher

The grass catcher assembly is designed to collect clippings. The diagram shows its components, and the list below details each part.

Grass Catcher Parts List

Index No.	Part No.	Description
1	028464	Upper catcher frame
2	028910	Lower catcher frame
3	111302	Catcher top
4	111328	Catcher baffle
5	111351	Catcher handle
6	111641	Catcher bottom notched
7	152694	Plastic push fastener
8	152652	Screw-slotted truss head %-20
9	715078	Nut - flanged whiz ½ - 20

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21" Self Propelled Rear Bagger WRRBSP21D

Main Lawnmower Parts List

Grass Catcher

Grass Catcher Parts List

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