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Single-speed transmission – Yard-Man 604 User Manual

Page 35

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35

REF.

NO.

PART

NO.

DESCRIPTION

1

618-0318

Clutch Collar†

2

710-0788

Self-tapping Screw, 1/4-20 x 1.0

3

711-1274

Drive Shaft

4

711-1280

Counter Shaft

5

713-0474

22-link Chain, #420

6

713-0478

14-tooth Sprocket

7

717-1422

Sprocket Bevel Gear, 42/10

8

717-1565

29-tooth Spur Gear

9

717-1569

20-tooth Spur Gear

10

718-0652

Counter Shaft Coupling

11

719-0394

Lower Housing

12a 736-0336

Flat Washer, 5/8 x 1.0 x .030*

12b 736-0337

Flat Washer, 5/8 x 1.0 x .040*

12c

736-0349

Flat Washer, 5/8 x 1.0 x .020*

13

736-0519

Flat Washer, .70 x 1.125 x .031

14

741-0336

Flange Bearing, 5/8 x 3/4 x 3/4

15

741-0337

Flange Bearing, 5/8 x 3/4 x 15/16

16

750-1238

Spacer, .635 x 1.0 x .27

17

611-0112

Detent Shaft Assembly†

611-0133

Detent Shaft Assembly‡

18

618-0369

Differential Assembly†

618-0424

Differential Assembly‡

19

661-0006

Brake Assembly

20

710-1325

Self-tapping Screw, 1/4-20 x 1.625

21

710-1206

Self-tapping Screw, 1/4-20 x 2.375

22

717-0678

Brake Pad

23

732-0863

Compression Spring

24

741-0862

Detent Ball

25

761-0202

Brake Disc

26

711-1331

Input Shaft†

711-1430

Input Shaft‡

27

716-0385

Retaining Ring, .394†

716-0108

Retaining Ring, .437‡

28

717-1571

12-tooth Bevel Pinion†

717-1464

14-tooth Bevel Pinion‡

29

719-0391A

Upper Housing

30

736-0335

Thrust Washer, .63 x 1.24 x .062†

736-0723

Thrust Washer, .635 x 1.25 x .042‡

31

741-0525

Needle Bearing, .625 x .875

32

718-0228

Clutch Collar‡

33

711-1431

Drive Shaft‡

34

750-1234

Spacer, .633 x 1.0 x .513

35

717-1362

42-tooth Bevel Gear‡

36

717-1363

42-tooth Bevel Gear‡

37

736-0495

Thrust Washer, 1.0 x .632 x .0

38

741-0340

Sleeve Bearing, .75 x .1.0 x 1.0

39

721-0338

Seal, .75 x 1.0 x .125

40

716-0231

E-ring, .75

Single-speed Transmission

*If rebuilding transmission for any reason, use applicable flat washer (12a, 12b, or 12c) in this application allowing

†Used on Single-speed transmission 618-0307B ONLY.
‡Used on Single-speed transmission 618-0307C ONLY.

IMPORTANT: One of two different transmissions may be found on your lawn tractor (618-0307B & 618-0307C). Refer to the
model plate found on the rear right portion of the transmission’s lower housing before ordering replacement service parts.

proper end play as instructed in MTD ’s Service Manual.