MTD Model 998Q Parts List
IMPORTANT: For a proper working machine, use Factory Approved Parts. V-BELTS are specially designed to engage and disengage safely. A substitute (non OEM) V-Belt can be dangerous by not disengaging completely.
Diagrams Overview
The provided diagrams illustrate the exploded views of various assemblies for the MTD Model 998Q. Each component is identified by a reference number, which corresponds to the detailed parts list below. These diagrams help in understanding the layout and relationship of different parts for assembly, disassembly, and maintenance.
Parts List
Ref. No. | Part No. | Description |
---|---|---|
1 | 647-0004 | Control Handle |
1 | 720-0223 | Grip |
2 | 731-0904A | Upper Control Housing |
2 | 732-0803A | Spring Lever |
3 | 16864 | 6 Spd. Rack Cable Bracket |
3 | 738-0529 | Shoulder Nut.825 x.165 Lg. |
4 | 731-0620 | Control Lever |
4 | 710-0751 | Cap Screw 1/4-20 x.620 |
5 | 713-0397 | Gear Insert |
5 | 736-0270 | Bell Washer.285 ID x.75 OD |
6 | 732-0627 | Shift Lever Spring |
6 | 748-0318 | Wheel Rachet |
7 | 731-0924 | 6 Speed Shift Lever |
7 | 736-0369 | Flat Washer.508 ID x 1.0 OD |
8 | 731-0905A | Lower Control Housing |
8 | 682-0531 | Pivot Arm Assembly |
9 | 710-1667A | C Sunk Tap Screw #10 x.75 Lg |
9 | 750-0515 | Spacer.510 ID x.70 OD |
10 | 731-0906 | Cable Mounting Cap |
10 | 741-0978 | Sleeve Bearing.504 ID x.830 OD |
11 | 746-0711B | Drive Cable 51.0 |
11 | 750-1056 | Shoulder |
12 | 712-0324 | Top Lock Nut 1/4-20 |
12 | 710-0653 | Tap Screw 1/4-20 x.375 |
13 | 746-0883 | Control Housing |
13 | 682-7528 | Chain Cover Assembly |
14 | 710-1270 | Oval C-Sunk Screw |
14 | 741-0324A | Flange Bearing.506 ID x.590 Lg |
15 | 746-0557 | Control Cable 47" |
15 | 682-7526 | Transmission Axle Assembly |
16 | 749-0439D | Upper Handle |
16 | 618-0263A | Transmission Assembly |
17 | 720-0284 | Wing Nut |
17 | 710-0604A | Hex Screw 5/16-18 |
18 | 736-0451 | Saddle Washer.320 ID x.830 OD |
18 | 713-0453 | Chain |
19 | 710-1174 | Carriage Bolt 5/16-18 x 2.0 |
19 | 638-0012 | Rear Axle Assembly |
20 | 726-0240 | Cable Tie |
20 | 741-0522 | Flange Bearing.506 ID x.715 Lg |
21 | 749-0907B | Lower Handle |
21 | 732-0832 | Torsion Spring |
22 | 750-0151 | Spacer.550 ID x.750 OD |
23 | 710-1315 | Screw 3/8-16 x.25 |
24 | 711-0835 | Clevis Pin.50 Dia x 4.82 Lg. |
25 | 750-0807 | Spacer.385 ID x.624 OD |
26 | 782-0568 | Height Adjustment Spring Bracket |
27 | 710-1652 | Screw 1/4-20 x.625 |
27 | 731-1901 | Trail Shield |
28 | 714-0474 | Cotter Pin |
28 | 732-0842 | Trail Shield Wire |
29 | 712-3025 | Hex Jam Nut 5/16-24 |
29 | 631-0066 | Chute Assembly |
30 | 736-0425 | Bell Washer.325 ID x.930 OD |
30 | 731-1832 | Side-Discharge Chute |
31 | 756-0656 | Pulley |
31 | 731-1833A | Mulch Cover |
32 | 736-3084 | Flat Washer.510 ID x 1.120 OD |
32 | 782-0078B | Deck 21" |
33 | 712-0397 | Wing Nut |
33 | 712-0896 | Hex Jam Nut 1/4-28 |
34 | 710-0703 | Carriage Bolt 1/4-20 x.75 |
34 | 782-7598 | Belt Keeper |
35 | 746-0939A | 6 Speed Cable |
35 | 741-0124 | Bearing |
36 | 782-7574A | Cable Adjustment Bracket |
36 | 732-0849A | Extension Spring |
37 | 736-0270 | Bell Washer.265 ID x.75 OD |
37 | 750-1050 | Flange Spacer |
38 | 712-3006 | Hex Nut 1/4-20 |
38 | 682-0027A | Idler Bracket Assembly |
39 | 710-0167 | Carriage Screw 1/4-20 x.50 |
39 | 710-0299 | Hex Cap Screw 1/4-28 x 1.0 |
40 | 712-0138 | Hex Nut 1/4-28 |
40 | 741-0682A | Bearing Sleeve |
41 | 782-7575A | Cable Mounting Bracket |
41 | 736-0570 | Flat Washer.885 ID x 1.45 OD |
42 | 736-0329 | Lock Washer 1/4 |
42 | 721-0329 | Oil Seal |
43 | 756-0625 | Cable Roller |
44 | 618-0253 | Upper Housing Assembly |
44 | 738-0924 | Shoulder Screw.375 ID x 1/4-14 |
45 | 782-7601A | Cable Bracket |
45 | 736-0264 | Flat Washer.330 ID x.630 OD |
46 | 741-0690 | Bearing |
46 | 714-0104 | Cotter Pin |
47 | 736-0616 | Thrust Washer.504 ID x.70 OD |
47 | 732-0306 | Compression Spring |
48 | 782-7595 | Pivot Bracket |
48 | 734-1981A | Wheel 9 x 2 |
49 | 712-0429 | Hex Nut 5/16-18 |
49 | 712-0414 | Top Lock Tab Weld Nut 1/4-20 |
50 | 711-1168 | Output Shaft 6T |
50 | 16855 | Ratchet Pawl Plate |
51 | 717-1469 | Gear 34T |
51 | 10622B | Plastic Spring Ratchet |
52 | 741-0674 | Bearing |
52 | 748-0381 | Pawl RH |
53 | 717-1487 | Pinion Shaft 10T |
53 | 748-0188B | Pawl LH |
54 | 736-0314 | Thrust Washer 3/8 x.70 |
54 | 738-0137A | Shld Screw.340 ID x.285 OD |
55 | 736-0569 | Thrust Washer.388 x.625 |
55 | 748-0318 | Wheel Rachet |
56 | 618-0252 | Lower Housing Assembly |
56 | 710-0751 | Hex Cap Screw 1/4-20 x.620 |
57 | 710-0642 | Hex Screw 1/2-20 x.75 |
57 | 737-3000 | Grease Fitting |
58 | 611-0066 | Shaft Assembly |
58 | 736-0931 | Flat Washer.203 ID x.403 OD |
59 | 664-0076 | Grass Bag |
59 | 747-0924 | Wheel Pin Lock |
60 | 747-0940A | Support Rod w/ Rope Guide |
60 | 682-9020A | Caster Assembly RH |
61 | 747-0939 | Pivot Rod |
61 | 682-9021A | Caster Assembly LH |
62 | 747-0937 | Grass Bag Frame |
62 | 682-9024 | Caster Bracket Assembly RH |
63 | 631-0071 | Grass Bag Cover |
63 | 682-9026 | Caster Bracket Assembly LH |
64 | 726-0106 | Cap Nut |
64 | 710-1348 | Screw 1/4-14 x.500 |
65 | 741-0673 | Bearing |
65 | 710-1652 | Screw 1/4-20 x.625 |
66 | 710-0654A | Hex Washer Screw 3/8-16 x 1.0 |
67 | 711-1146 | Caster Axle |
68 | 726-0233 | Push Nut.25ID x.50OD |
69 | 710-0703 | Carriage Screw 1/4-20 x.75 |
70 | 710-0969 | Screw #12-16 x 1.00 |
71 | 736-0232 | Wave Washer.531 ID x.781 OD |
72 | 712-0397 | Wing Nut |
73 | 710-0260 | Carriage Bolt 5/16-18 x.62 |
74 | 754-0460 | Belt 3/8 x 39.24 |
75 | 656-0613 | Pulley Assembly |
76 | 750-1071 | Sleeve Spacer.88 ID x 1.13 OD |
76 | 782-7597 | Pivot Bracket |
77 | 750-1070 | Sleeve Spacer.88 ID x 1.00 OD |
78 | 725-0157 | Cable Tie |
79 | 782-7596 | Control Arm |
80 | 711-1114 | Pivot Shaft |
81 | 736-0526 | Wave Washer 1.38 ID x.88 OD |
82 | 731-1828 | Baffle |
83 | 710-0653 | Screw 1/4-20 x 3.75 |
84 | 748-0377C | Blade Adapter |
85 | 742-0741 | 21" Mulching Blade |
86 | 736-0524A | Blade Bell Support |
87 | 710-1257 | Hex Bolt 3/8-24 x 2.5 |
88 | 731-1874 | Chute Door |
89 | 732-0819 | Torsion Spring |
90 | 726-0111 | Push Cap |
91 | 747-0965 | Pivot Rod |
92 | 731-1713B | Discharge Chute |
94 | 726-0214 | Push Cap |
95 | 736-0366 | Flat Washer.640 ID x 1.12 OD |
96 | 741-0685 | Flange Bearing |
97 | 712-3004A | Flange Lock Nut 5/16-18 |
98 | 734-1857 | Wheel 7 x 2 |
99 | 731-1887 | Hubcap - Spoke w/ Hole |
100 | 731-0981A | Hubcap - Radial Spoke |
101 | 682-3052 | Handle Bracket Assembly - RH |
102 | 682-3053 | Handle Bracket Assembly - LH |
102 | 710-0134 | Carriage Screw 1/4-20 x.62 |