MTD 620 User Manual

ILLUSTRATED PARTS

MANUAL

Hydrostatic Lawn Tractor — Model Series 620

IMPORTANT

READ SAFETY RULES AND INSTRUCTIONS CAREFULLY BEFORE OPERATION

Warning: This unit is equipped with an internal combustion engine and should not be used on or near any unimproved forest-covered, brush-

covered or grass-covered land unless the engine’s exhaust system is equipped with a spark arrester meeting applicable local or state laws (if any). If a spark arrester is used, it should be maintained in effective working order by the operator. In the State of California the above is required by law (Section 4442 of the California Public Resources Code). Other states may have similar laws. Federal laws apply on federal lands. A spark arrester for the muffler is available through your nearest engine authorized service dealer or contact the service department, P.O. Box 361131 Cleveland, Ohio 44136-0019.

PRINTED IN U.S.A.

MTD LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-0019

FORM NO. 769-02978

03/ 8/2007

A

4

15

30

9

6

34

12

23

1

10

7

11

16

1

20

18

5

40

2

17

3

26

14

22

24

21

16

13

29

1

27

2

32

8

23

19

33

39

38

1

35

37

36

Model Series 620

2

Illustrated

Ref.

No.

10 783-04578 Pivot Bracket - RH

11 783-04621 Grill Pivot Bracket

12 712-04064 Flange Lock Nut, 1/4-20

13 751-0658E Fuel Tank, Three Gallon

14 751-0603 Fuel Cap

15 710-1017 Screw, 1/4-14 x.625

16 710-0895 Self-tapping Screw, 1/4-15 x.75

17 746-1085A Choke Control Cable

18 725-04227B Ignition Switch

19 731-05522 Hood Cover, 5 Style

20 731-05005B Dash Panel

21 731-04215 Cruise Control Button

22 731-04217 Parking Brake Button

Part No. Description

1 710-0726 Screw, 5/16-12 x .750

2 710-0599 Self-tapping Screw, 1/4-20 x.5

3 710-0751 Hex Cap Screw, 1/4-20 x.62

4 746-04365 Throttle Control /Cable

5 725-1745 Ignition Key w/ plastic cover

725-1744 Ignition Key w/o plastic cover

6 731-04949 Headlight Lens

7 738-04091 Shoulder Screw,.43 x.29

8 783-04551 Hood, 1 Style

9 783-04552 Grill, 1 Style

783-04577* Pivot Bracket - LH

Ref.

No.

23 736-0176 Flat Washer, .265 x .938 x 1.20

24 747-1196 Brake/Cruise Pivot Rod

25 629-04083A* Headlight Wire Harness

26 731-05165A Plenum

27 783-04285E RH Dash Support Plate

28 710-0607 Screw, 5/16-18 x .500

29 783-04323D LH Dash Support Plate

30 725-0963 Lamp

31 736-0270 Bell Washer,.265 x.75 x.062

32 710-1611B Screw, 5/16-18 x.75

33 725-1649 Headlight Socket

34 710-1652 Hex Index Screw, 1/4-20 x.625

35 683-04219A Bumper Assembly

36 712-04065 Flange Lock Nut, 3/ 8-16

37 731-05674 Cap

38 738-0143 Shoulder Bolt, 3/ 8-16

39 725-1752 Electric PTO Switch

40 725-04036C Systems Ind. Monitor w/Hr. Mtr.

— 725-04403* Wire Harness (w/Hour Meter)

— 725-04404* Wire Harness (w/Hour Meter &

— 725-04411* Wire Harness (w/Ammeter)

— 777X41984 Headlight Reflective Insert

Part No. Description

725-04156 Systems Ind. Monitor w/ Amtr.

Electric PTO)

Parts List

To order

replacement parts,

call the Customer

Service Line at

1-800-800-7310

or visit

www.mtdproducts.com

* Not Shown

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

3

Model Series 620

40

38

36

1

16

46

41

7

15

A

B

A

C

44

43

28

29

9

26

50

28

6

35

4

27

21

11

23

32

5

25

45

6

49

31

47

13

34

30

39

24

19

18

6

2

29

33

12

8

22

17

20

10

42

48

14

4

Illustrated

Ref.

Part No. Description

No.

1 710-0227 Screw, #8-18 x.500

2 683-04301 Lift Shaft Assembly

3 736-0204 Washer, Flat, .344 x .62 x .033

4 736-0607 Lock Washer, 5/16

5 712-04065 Flange Lock Nut, 3/8-16

6 712-04063 Flange Lock Nut, 5/16-18

7 725-1439 Inner Seat Spring Switch

8 714-0104 Hairpin Clip

9 726-3046 Foot Pad Clips

10 716-0106A E-Ring

11 720-0311 Handle Grip

12 732-0874 Torsion Spring

13 732-1184 Extension Spring,.84 x 4.6

14 736-0242 Flat Washer

15 726-0278 Insulator Boss Plate

16 736-0300 Flat Washer, .406 x .875 x .059

17 710-0599 Screw, 1/4-20 x.500

18 738-0138A Hex Cap Screw, 5/16-18 x.62

19 738-0380 Shoulder Screw, 3/8-16

20 741-0225 Hex Flange Bearing

21 712-0271 Sems Nut 1/4-20

22 746-0968 Lift Cable, 16.16

23 747-04447 Lift Handle

24 756-1154 Roller Pulley

25 783-0678B Arm Lift

Ref.

Part No. Description

No.

26 731-1993A Cover w/ Cup Holder

27 710-0451 Carriage Bolt, 5/16-18 x.750

28 710-0604A Self-tapping Screw, 5/16-18 x.625

29 710-0895 Self-tapping Screw, 1/4-15 x.75

30 731-1990 Lift Lever Cover

31 738-0296 Shoulder Screw,.437 x.286

32 736-3078 Flat Washer,.349 x 1.0 x.063

33 783-0677B Lift Adjustment Bracket

34 783-04459A Fender 4 Sty Hydro w/ Flares

35 783-1489C Seat Mounting Bracket

36 720-04061 Knob, 3 /8-16 x .875

37 712-04064 Flange Lock Nut, 1/4-20

38 738-04012A Shoulder Screw, 3/8-16 .625 x .145

39 757-04003A High Back Seat, Black

40 783-04081B Seat Pivot Bracket

41 725-1303 Outer Seat Spring Switch

42 710-0932 Carriage Screw 1/4-20 x 1.00

43 735-0656 RH Foot Pad

44 735-0657 LH Foot Pad

45 714-0111 Cotter Pin

46 726-0279 Insulator Plate

47 783-0209D Seat Lift Bracket

48 726-0201 Speed Clip

49 731-2618 RH Fender Flare

50 731-2619 LH Fender Flare

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.

5

Model Series 620

31

15

7

2

16

21

22

20

11

27

29

28

37

33

30

6

32

13

36

35

34

17

1

17

7

18

14

24

19

9

26

10

7

23

16

3

25

12

8

5

4

39

38

6