MTD 688, 685, 683, 682, 680, 665, 668, 662, 660 manual Square Shoulder, Round Shoulder, Models, Complete

Models 660 – 688

REF.	PART
NO.	NO.	DESCRIPTION
1	17198A	Retainer Gear Segment Plate
2	683-0002A	Pivot Bar, .625
3	710-0514	Hex Cap Screw, 3/8-16 x 1.0
4	710-0643	Hex Cap Screw, 5/16-18 x 1.0
5	710-0726	Self-tapping Screw, 5/16-12 x .75
6	710-0805	Hex Cap Screw, 5/16-18 x 1.5
7	710-1309	Machine Screw, 5/16-18 x .75
8	712-0240	Jam Nut, 7/16-20 (Grade 2)
9	712-0262	Jam Nut, 3/8-24
10	712-0431	Flange Lock Nut, 3/8-16
11	712-3004A	Flange Lock Nut, 5/16-18
12	714-0470	Cotter Pin, 1/8 x 1.25
13	717-1757A	Stearing Segment Gear
14	723-0448A	Ball Joint, 7/16 -20
15	726-0214	Push Cap, .625
16	731-04057A	Axle End Cap, Standard
17	736-0187	Flat Washer, .64 x 1.24 x .060
18	731-2290A	Deluxe Hub Cap
19	736-0242	Bell Washer, .34 x .872 x .060
20	736-0356	Bell Washer, .391 x .380 x .062
21	731-04039	Steering Wheel Cap, Small
	731-04040	Steering Wheel Cap w/ Sprig, Small
22	738-0141	Shoulder Screw, .435 x .350, 5/16-18
23	738-0527	Shoulder Screw, .498 x 2.045
24	738-0919	Steering Shaft, 21.86
25	741-0475	Plastic Bushing, .38 ID

REF.	PART
NO.	NO.	DESCRIPTION
26	741-0487A	Flange Bushing, .632 ID
27	741-0656	Hex Flange Bearing, 5/8
28	747-04008	Tie Rod, Non-adjustable
29	747-1268B	Steering Drag Link, 7/16-20
30	748-0389	Cap, 1.25 x .16
31	748-04014B	Steering Arm
32	748-04020	Spacer, 1.0 x .645 x .56
33	750-0535	Spacer, .380 x .625 x .21
34	783-0041D	Pivot Bar Bracket
35	631-04028	Steering Wheel, Three Spoke
	631-04008	Steering Wheel, Three Spoke Soft Grip
36	731-04058	Axle End Cap, w/ Fitting
37	731-04064	Steering Wheel Cap, Large
	731-04065	Steering Wheel Cap w/ Sprig, Large
38	634-0056A	Round Shoulder Wheel Ass’y Complete
	634-0105A	Square Shoulder Wheel Ass’y Complete
	634-0115	Square Shoulder Wheel Ass’y Complete
39	683-04016	RH Axle Assembly
	683-04015	LH Axle Assembly
	683-04014	RH Axle Ass’y (models with 46-in Deck)
	683-04013	LH Axle Ass’y (models with 46-in Deck)
40	731-0484A	Hub Cap
41	736-0162	Flat Washer, .64 x 1.0 x .12
42	736-0285	Flat Washer, .635 x 1.589 x .06
43	747-04057	Tie Rod, Adjustable
44	711-04059	Ferrule, 3/8-24 x .437 Dia

	Wheel Ass’y	Rim Assembly	Inner Bearing	Outer Bearing	Tire Only	Air Valve
	Complete
Round Shoulder	634-0056A	634-0172	741-0706	741-0487A	734-0864	734-0255
			(Flange w/ Fitting)	(Plastic Flange)	(15 x 6 x 6)
Square Shoulder	634-0105A	634-0172	741-0706	741-0487A	734-1731	734-0255
			(Flange w/ Fitting)	(Plastic Flange)	(15 x 6 x 6)
Square Shoulder	634-0115	634-0051	741-0569	741-0569	734-1731	734-0255
			(Ball Bearing)	(Ball Bearing)	(15 x 6 x 6)

Square Shoulder Round Shoulder

NOTE: Tractor features vary by model. NOT all parts listed above and pictured on the previous page are standard equipment.

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