MTD 618 - Parts List - PTO and Drive Components

39
NOTE: Tractor features vary by model. NOT all parts listed above and pictured on the previous page are standard equipment.
IMPORTANT: For a proper
working machine, use
Factory Approved Parts.
V-belts are designed to
engage and disengage
safely. A substitute (non
OEM) V-belt can be
dangerous by not
disengaging completely.
Model 618
REF.
NO.
PART
NO. DESCRIPTION
1 683-0450 Engagement Plate Assembly
2 710-0520 Hex Cap Screw, 3/8-16 x 1.5
3 710-0831 Hex Cap Screw, 3/8-16 x 5.5
4 710-1238 Hex Head Washer Screw, 5/16-18 x.875
5 710-3144 Hex Cap Screw, 3/8-16 x 2.0
6 712-0229 Push Nut, 3/8
7 712-0431 Flange Lock Nut, 3/8-16
8 712-3004A Flange Lock Nut, 5/16-18
9 712-3017 Hex Nut, 3/8-16
10 714-0470 Cotter Pin, 1/8 x 1.25
11 732-0384 Extension Spring,.62 x 6.12
12 732-0991A Belt Guard
13 736-0140 Flat Washer,.385 x.62 x.063
14 736-3010 Flat Washer,.407 x.812 x.135
15 738-0372A Shoulder Spacer,.380
16 748-0415B Spacer, 3/8 x 1.54
17 756-0627B Idler Pulley, 3.5
18 756-1208 Idler Pulley, 4.0
19 783-0891B Deck Stop
20 683-0297 Idler Bracket Assembly
21 710-3180 Hex Cap Screw, 5/16-18 x 1.75
22 712-3010 Hex Nut, 5/16-18
23 732-0978 Extension Spring,.62 x 5.62
24 738-3056 Shoulder Screw, 1/2 x 2.5
25 710-3025 Hex Cap Screw, 5/16-18 x.625
26 783-1003 Electric Clutch Anti-rotation Bracket
27 783-0653F Steering Support Bracket
29 717-04080 Electric PTO Clutch
30 754-0497 PTO Belt (Models w/ 42-inch deck)
31 754-04033 PTO Belt (Models w/ 46-inch deck)
32 710-0859 Hex Cap Screw, 3/8-16 x 2.5
33 738-0785 Shoulder Spacer, 1.38 x.445 x.36
34 736-0171 Lock Washer, 7/16
35 710-3157 Hex Cap Screw, 7/16-20 x 3.25 (Grade 5)
36 710-0604A Self Tapping Screw, 5/16-18 x.625
37 732-04035 Compression Spring, 1.28 x 3.125
38 723-0444 Battery Strap
39 725-1426 Solenoid, 12-Volt, 100 Amp
40 710-0599 Self Tapping Screw, 1/4-20 x.5
41 736-0222 Lock Washer, 1/4
42 683-0304C Lower Frame Assembly
43 725-1706 12-volt Battery, 270 CCA
44 738-1020 Shoulder Screw,.625 x.5, 7/16-20
45 736-0407 Bell Washer,.45 x 1.0 x.062
46 712-0459 Flange Lock Nut, 7/16-20
47 783-1031A Hitch Plate
48 710-0703 Hex Cap Screw, 1/4-20 x.75
49 712-0271 Hex Sems Nut, 1/4-20
50 712-3087 Wing Nut, 1/4-20
51 738-1132 Shoulder Screw, 1/4-20,.25 x.15
52 736-0322 Flat Washer,.4375 x 1.25 x.180
53 756-0639A Engine Pulley
54 710-0607 Self-tapping Screw, 5/16-18 x.5
55 712-3006 Hex Nut, 1/4-20
56 736-0329 Lock Washer, 1/4
57 710-0642 Self-tapping Screw, 1/4-20 x.75
58 783-0349 Battery Tray
REF.
NO.
PART
NO. DESCRIPTION