Cub Cadet S621 SS Operator's Manual page 19

21” swiftstart self-propelled mower
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Model S621 SS
Ref.
Part No.
No.
1.
710-0134
2.
710-0654A
3.
710-0703
4.
712-0397
5.
723-0233
6.
736-0204
7.
782-0046B
8.
710-0653
9.
710-0969
10.
731-1828
11.
638-0012
12.
682-0531
13.
682-7526
14.
682-7528
15.
710-0653
16.
710-0751
17.
710-0896
18.
710-1315
19.
711-0835
20.
713-0453
21.
714-0474
22.
720-0223
23.
732-0803A
24.
732-0832
25.
736-0270
26.
736-0369
27.
738-0529
28.
741-0324
29.
741-0522
30.
741-0978
31.
748-0318
32.
750-0151
33.
750-0515
34.
750-0807
35.
750-1056
36.
782-0568
37.
682-3052
38.
682-3053
39.
710-1348
40.
731-1901
41.
732-0842
† Not illustrated
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 Cub Yellow, the
part number to order would be 700-xxxx-0716.
Part Description
Carriage Screw 1/4-20 x .62
TT Screw 3/8-18:1.00
Screw 1/4-20 x .750
Wing Nut 1/4-20
Push Nut .25 I.D. x .50 O.D.
Flat Washer .334 I.D.x .62 x.03
Deck - 21"
TT Screw 1/4-20 x .375
HL Screw 1/2-14 x .750
Baffle
Rear Axle Ass'y
Pivot Arm Ass'y
Trans. Axle Ass'y
Chain Cover Ass'y
TT Scr. 1/4-20 x .375
Cap Screw HH 1/4-20 x .620
AB Scr. 1/4-14 x .625
Scr. 3/8 116 x .25
Clevis Pin .50 Dia. x 4.82
Chain-Endls. #48 .500P x 24
Cotter Pin .125O.D. x .75
Grip
Spring Lever
Torsion Spring
Bell Wash. .285 x .75 x .082
Fl. Wash..508 I.D. 1.000 x.020
Nut Shld. .825 Dia. x .165
Hx.Flg. Brg..506 I.D. x .590
Hx.Flg. Brg. .506 I.D. x.715
Hx. Slv. Brg..504 I.D. x .830
Wheel Rachet
Spacer .550 I.D. x /750 O.D.
Spacer .51 .D. x .70 O.D. x 38
Spacer .385 x .624 x .700
Shld. Spacer .385 I.D. X .715
Brkt. - Ht. Adj. Spring
Handle Brkt. Ass'y. R.H.
Handle Brkt. Ass'y. L.H.
Scr. AB 1/4-14 x .500
Trail Shield
Trail Shield Wire
Cub Yellow: 0716
Powder Black: 0637
Ref.
Part No.
No.
42.
611-0064
43.
710-1241
44.
710-1242
45.
714-0104
46.
731-1836
47.
736-0286
48.
741-0492A
49.
782-0565
50.
734-2008
51.
734-2010
52.
736-0105
53.
736-0504
54.
738-0102
55.
10622B
56.
748-0381
748-0188B
58.
16855
59.
738-0137A
60.
712-0414
61.
731-0982A
64.
725-0157
65.
710-0604A
66.
754-0460
67.
742-0741
68.
753-0609
69.
736-0524A
70.
710-1257
72.
735-0639
73.
731-1832
74.
731-1833
75.
631-0066
76.
731-1713B
77.
747-0965
78.
732-0819
79.
726-0111
80.
731-1874
81.
710-1268
82.
751B224437
83.
751B281440
84.
710-1256
19
Part Description
Front Axle Assembly
Hx Scr. Wash Hd. Hi.-Lo.
Scr. Torx, Truss Hi.-Lo.
Cotter Pin .072 x 1.12 Lg.
Front Axle Cover, Black
Bowed Washer
Bush. Block .505 Dia. x .62
Control Arm
Wheel 8 x 2
Wheel 9 x 2
Spring Washer
Wave Wash .510 x .750 x .017
Shldr Scr .498 x 1.445 x3/8-16
Spring, Ratchet, Plastic
Pawl: RH.
Pawl: LH. †
Ratchet Pawl Plate
Shoulder Scr. .340 x .285
Top Lock Tab Weld Nut 1/4-20
Hubcap: Rad. Spoke Beige
Cable Tie
Hex Screw 5/16-18
V-Belt
21" Mulching Blade
Blade Adapter Kit
Blade Bell Suport
Hex Bolt 3/8-24 x 2.5"Lg.
Spark Plug Insulator
Side Discharge Chute
Mulch Cover
Rear Chute Ass'y w/ Door
Discharge Chute
Pivot Rod
Torsion Spring
Push Cap
Chute Door
Special Screw † (used with # 82)
Muffler Guard †
Engine Shroud †
Pan Screw†

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