MTD 21A-450 Series Tiller User Manual


 
15
Model 450 Series
REF.
NO.
PART NO. DESCRIPTION
1.
611-0020 Wheel Shaft Ass’y: 33T
2.
611-0021 Tine Shaft Ass’y: 18T
3.
611-0128 Jack Shaft Ass’y
4.
611-0129 Input Shaft Ass’y
5.
617-0058 Rev. Idler Gear Ass’y: 30T
6.
617-0059 Ftine Idler Gear Ass’y: 30T
7.
617-0060 Tine Input Sprocket Ass’y: 9T
8.
617-0061 Wheel Input Sprocket Ass’y: 10T
9.
617-0062 Gear Ass’y: 11T
10.
686-0108 R.H. Housing Ass’y
11.
710-0376 Hex Bolt 5/16-18 x 1" Lg.
12.
710-0599 Hex S-Tap Scr. 1/4- 20 x .5"
13.
710-0604A Hex S-Tap Scr. 5/16-18 x .625"
14.
710-3008 Hex Bolt 5/16-18 x .75"
15.
711-1349 Input Shaft
16.
712-0378 Hex Nut 7/16-20
17.
712-3004A Flange Nut 5/16-18
18.
713-0367 #420 Chain 1/2 Pitch x 50 Links
19.
713-0484 #50 Chain 5/8 Pitch x 54 Links
20.
716-0865 Snap Ring
21.
717-0853 Shifting Fork
22.
717-1582 Spur Gear 44T
23.
717-1583 Spur Gear 30T
24.
717-1584 Spur Gear 30T
25.
717-1585 Spur Gear 44T
26.
717-1587 Spur Gear 44T
27.
717-1594 Spur Gear 16T
28.
721-0378 Seal 1.0 Shaft
29.
721-0379 Seal .75 Shaft
31.
726-0277 Taper Cap Ring
32.
732-0496 Compression Spring .50" Lg.
33.
736-0163 Thrust Wash. 1.03" I.D. x 1.62"
34.
736-0351 Fl-Wash .76" I.D. x 1.5" O.D.
35.
736-0407 Bell-Wash .45" I.D. x 1.0"
36.
736-0518 Thrust Wash. .445 x 1.92 x .060
37.
736-3088 Fl-Wash. .635" I.D. x 1.59 O.D.
40
738-0645 Detent Shaft 1/2" Dia.
41.
738-0648 Jack Shaft .625 x 2.385
42.
738-1013 Jack Shaft .625 x 5.0
43.
741-0124 Ball Bearing
44.
741-0420 Flange Bearing 1.0 x 2.5 x 1.38
45.
741-0421 Flange Bearing .75 x 2.5 x 1.38
46.
741-0563 Ball Bearing . 6692 x 5745 x .466
47.
741-0862 Detent Ball .250
48.
750-0258 Spacer .315
49.
750-0570 Spacer 1.0 I.D x 2.0 O.D. x .440
50.
750-0664 Spacer .505 I.D. x .88 O.D. x
51.
750-0671 Spacer .75 x 2.0 x .50
52.
786-0171 L.H. Chain Case Ass’y
53.
786-0238 Gear Positioner Bracket
- 737-0300 Benelene 920 Grease
- 737-0288 Never Seez Grease
- 686-0107 Gear Case Assembly Complete
REF.
NO.
PART NO. DESCRIPTION
NOTE: For painted parts, please refer to the list of color codes below. Please add the applicable color code, wherever
needed, to the part number to order a replacement part. For instance, if a part numbered 700-xxxx is painted Oyster Gray, the
part number to order would be 700-xxxx-0662.
Black — 0691; Black, Powder — 0637; Blue, Midnight — 0667; Charcoal — 0483; Grey — 0648;
Grey, Oyster — 0662; Orange — 0606; Red — 0650; Red, MTD — 0638; Silver — 0629; Yellow — 0674.