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MTD series 620 Parts Manual page 9

Hydrostatic lawn tractor
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REF. PART NO.
DESCRIPTION
1
17840
Transmission Mounting Bracket
2
618-04228
Wheel Hub Assembly
3
618-04270A
Hydrostatic Transmission
4
629-04124*
Harness Assembly
5
710-0227
AB Screw #8-18 x 0.375
6
710-0502A
TT Sems Screw 3/8-16 x 1.250
7
710-0520
Hex Bolt 3/8-16 x 1.5
8
710-0627
Screw, 5/16-24 x.750
9
710-0653
TT Screw 1/4-20 x 0.5
10
710-0726
AB Screw 5/16-12 x 0.75
11
710-0778
Screw, 1/4-20 x 1.50
12
710-1007
Screw, 3/8-16 x 1.50
13
710-1266
Hex Bolt 5/16-18 x 3.5
14
710-3007
Carriage Screw
15
710-3011
Hex Bolt 3/8-16 x 2.25
16
711-0832
Ferrule
17
712-0240
Jam Nut 7/16-20
18
712-04063
Flange Lock Nut, 5/16-18
19
712-0431
Flanged Lock Nut 3/8-16
20
712-3017
Flanged Lock Nut 3/8-16
21
712-3066
Hex Nut, 1/2-20
22
714-0111
Cotter Pin
23
714-0507
Cotter Pin
24
725-0157
Cable Tie
25
725-1644
Switch
26
726-0154
Cable Tie
27
726-0320
Insulator Nut Plate
28
731-05300
Sleeve, .765 x 2.410 Lg.
29
731-1449A
Blade Fan
30
732-0209
Extension Spring
31
732-04323B
Extension Spring
32
732-0716C
Extension Spring
33
732-0729
Wire Ring
34
732-0994
Extension Spring
35
732-3118
Extension Spring
36
736-0169
Lock Washer
37
736-0242
Bell Washer,.340 x.872 x.060
38
736-0258
Flat Washer,.385 x 1.0 x .135
39
736-0300
Flat Washer
40
736-0921
Lock Washer
41
736-3010
Flat Washer
42
712-3050
Lug Nut 7/16-14
43
738-0372B
Shoulder Spacer
(Not shown)
(Not shown)
*Not Shown
9
REF. PART NO.
DESCRIPTION
44
747-04139
Brake Rod
45
747-1149
Bypass Rod
46
747-1151
Control Rod
47
748-0334
Transaxle Spacer
48
750-0566A
Spacer,.260 x.372 x 1.030 Lg.
49
754-0461
V Belt, A x 78" Lg
50
756-04111
Input Pulley
51
756-04209
Idler Pulley
52
756-04224
Flat Idler Pulley
53
783-04442
Idler Bracket
54
783-0810B
Torq Bracket
55
783-1019B
Actuator Bracket
56
647-0049A
Hydrostatic Control Assembly
57
647-04100
Brake Control Assembly
58
683-0267C
Pedal Assembly
59
710-1260A
LD Screw 5/16-18 x 0.75
60
711-04159B
Pin
61
712-04065
Flange Lock Nut, 3/8-16
62
712-3004A
Flange Lock Nut, 5/16-18
63
714-0104
Pin, Cotter
64
732-0335
Compression Spring
65
732-0955
Extension Spring
66
732-0963
Extension Spring
67
735-0662
Control Pedal
68
735-3049A
Brake Control Pedal
69
736-0119
Lock Washer 5/16
70
736-0187
Flat Washer,.64 x 1.24 x.06
71
736-0262
Flat Washer, .385 x .870 x .092
72
738-0155
Shoulder Screw
73
738-0380
Shoulder Screw
74
741-0225
Hex Flange Bearing
75
741-3065B
Hex Flange Bearing
76
747-04093A
Brake Lock Control Rod
77
747-04096
Cruise Control Rod
78
747-04641
Brake Pedal
79
748-04039C
Cruise Latch
80
783-04612
Steering Support Bracket
81
783-0663E
Hydro Lockout Bracket
82
634-0104
Wheel Complete, 20 x 8 x 8
734-1730
Tire Only, 20 x 8 x 8
634-0070
Rim Only
734-0255
Tubeless Air Valve
Illustrated
Parts List
To order
replacement parts,
call the Customer
Service Line at
1-800-800-7310
or visit
www.mtdproducts.com
NOTE: Tractor features vary
by model. NOT all parts
listed above and pictured
on the previous page are
standard equipment.

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