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MTD Chipper Parts
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MTD Chipper Replacement  For Model 645

MTD Chipper Replacement Parts For Model 645

We Sell Only Genuine MTD Parts
 Fig #
1
Blade-shredder Obsolete - Not Available
 $31.04

Part Number:13431-0637

Discontinued

Discontinued

Note: For Models 242-645 and 242-648 Only.
 $31.04
Discontinued
2
Screw-hex 3/8-24 X
 $7.23

Part Number:710-0151

In Stock

In Stock

Note: for Faster Service Obtain Standard Nuts, Bolts, and Washers Locally. if These Items Cannot Be Obtained Locally, Order by Part Nu
 $7.23
In Stock
 $7.23
3
Key-sq 1/4 X 2.00
 $4.99

Part Number:914-0114

In Stock

In Stock

Note: For 1
 $4.99
In Stock
 $4.99
4
Washer-hd 3/8
 $3.99

Part Number:936-0217

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Purchase Locally
 $3.99
Usually ships in 7 - 12 business days
 $3.99
5
Washer-flat
 $9.73

Part Number:736-0247

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (440, 550 & 552)
 $9.73
Usually ships in 7 - 12 business days
 $9.73
6
Flail
 $21.28

Part Number:91459B

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $21.28
Usually ships in 7 - 12 business days
 $21.28
7
Spacer-flail
 $15.57

Part Number:911-0564

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $15.57
Usually ships in 7 - 12 business days
 $15.57
9
Spacer
 $16.77

Part Number:911-0834A

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: New Part
 $16.77
Usually ships in 7 - 12 business days
 $16.77
10
Pin-spring Roll 5/
 $6.49

Part Number:915-0249

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: for Model 685 Only.
 $6.49
Usually ships in 7 - 12 business days
 $6.49
11
Washer-fl-.531 Id
 $4.99

Part Number:936-0192

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: for Models 587b, 596 and 598.
 $4.99
Usually ships in 7 - 12 business days
 $4.99
12
Impeller Ass'Y. Comp. Obsolete - Not Available
 $247.62

Part Number:753-0568

Discontinued

Discontinued

Note: Nla for Models 242-645 and 242-648 Only. - -640
 $247.62
Discontinued
12
Impeller Ass'Y. Comp. Obsolete - Not Available
 $247.62

Part Number:753-0568

Discontinued

Discontinued

Note: Nla for Models 242-645 and 242-648 Only. - 645 And 648
 $247.62
Discontinued
13
Blade-chipper
 $31.37

Part Number:981-0490

In Stock

In Stock

Note: (Not Shown)
 $31.37
In Stock
 $31.37
14
Screw-flat Hd
 $3.99

Part Number:710-1054

In Stock

In Stock

Note: (Not Shown) - Models 645 And 648 Only
 $3.99
In Stock
 $3.99
15
Nut-5/16x 24
 $6.55

Part Number:912-3057

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: for Faster Service Obtain Standard Nuts, Bolts and Washers Locally. if These Items Cannot Be Obtained Locally, Order by Part Num - Models 645 And 648 Only
 $6.55
Usually ships in 7 - 12 business days
 $6.55
16
Washer-lock 5/16
 $4.99

Part Number:936-0119

In Stock

In Stock

Note: for Faster Service Obtain Standard Nuts, Bolts and Washers Locally. if Items Cannot Be Obtained Locally, Order by Part Number an - Models 645 And 648 Only
 $4.99
In Stock
 $4.99
17
Bolt-hex 1/4-20 X
 $5.69

Part Number:710-1058

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $5.69
Usually ships in 7 - 12 business days
 $5.69
18
Use 936-0159
 $3.99

Part Number:736-0159

In Stock

In Stock

Note: Not Used in This Application
 $3.99
In Stock
 $3.99
19
Spacer-.260 X .373
 $3.99

Part Number:950-0793

In Stock

In Stock
 $3.99
In Stock
 $3.99
20
Pin-clevis
 $12.16

Part Number:911-0835

In Stock

In Stock

Note: (if Equipped)
 $12.16
In Stock
 $12.16
21
Washer-lock
 $4.99

Part Number:936-0329

In Stock

In Stock

Note: (for Model E633e)
 $4.99
In Stock
 $4.99
22
Nut-hex 1/4-20
 $4.99

Part Number:912-0287

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: for Faster Service Obtain Standard Nuts, Bolts and Washers Locally. if Items Cannot Be Obtained Locally, Order by Part Number an
 $4.99
Usually ships in 7 - 12 business days
 $4.99
23
Cap Speed Nut
 $3.99

Part Number:726-0106

In Stock

In Stock
 $3.99
In Stock
 $3.99
24
Screen-shredder
 $39.56

Part Number:781-0457-0637

In Stock

In Stock
 $39.56
In Stock
 $39.56
25
Inter. Cotter Pin 3/8
 $4.99

Part Number:714-0145

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $4.99
Usually ships in 7 - 12 business days
 $4.99
27
Use 912-3010
 $4.99

Part Number:712-3010

In Stock

In Stock

Note: Models 645 And 648 Only
 $4.99
In Stock
 $4.99
28
Washer
 $4.99

Part Number:736-0242

In Stock

In Stock

Note: Not Used in This Application - Models 645 And 648 Only
 $4.99
In Stock
 $4.99
29
Knob-three Arm
 $10.76

Part Number:720-0170

In Stock

In Stock

Note: (Not Shown)
 $10.76
In Stock
 $10.76
30
Chipper Door Rod Obsolete - Not Available
 $5.58

Part Number:747-0744A

Discontinued

Discontinued

Note: Models 645 And 648 Only
 $5.58
Discontinued
31
Spring-torsion Obsolete - Not Available
 $3.99

Part Number:932-0542

Discontinued

Discontinued

Note: (Optional Parts) - Models 645 And 648 Only
 $3.99
Discontinued
32
Door-chipper
 $9.12

Part Number:781-0489-0637

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Nla - Models 645 And 648 Only
 $9.12
Usually ships in 7 - 12 business days
 $9.12
33
Chipper Chute Ass'y. Obsolete - Not Available
 $2.99

Part Number:781-0475

Discontinued

Discontinued

Note: Models 645 And 648 Only
 $2.99
Discontinued
34
Special Washer
 $5.81

Part Number:736-0170

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $5.81
Usually ships in 7 - 12 business days
 $5.81
35
Use 912-3010
 $4.99

Part Number:712-3010

In Stock

In Stock
 $4.99
In Stock
 $4.99
36
Shredder Frame Obsolete - Not Available
 $81.94

Part Number:781-0459B

Discontinued

Discontinued
 $81.94
Discontinued
36
Hex Hd. Screw, 5/16-24 X .75
 $4.99

Part Number:710-0157

In Stock

In Stock

Note: Tightening Torque: 150-300 In. Lbs.
 $4.99
In Stock
 $4.99
38
Washer-lock 5/16
 $4.99

Part Number:936-0119

In Stock

In Stock

Note: for Faster Service Obtain Standard Nuts, Bolts and Washers Locally. if Items Cannot Be Obtained Locally, Order by Part Number an
 $4.99
In Stock
 $4.99
39
Hex Bolt 5/16-18 X .75
 $4.99

Part Number:710-3008

In Stock

In Stock

Note: Models With Electric Pto Only
 $4.99
In Stock
 $4.99
40
Bolt-hex
 $5.40

Part Number:710-3180

In Stock

In Stock

Note: for Faster Service Obtain Standard Nuts, Bolts and Washers Locally. if These Items Cannot Be Obtained Locally, Order by Part Num
 $5.40
In Stock
 $5.40
41
Flail Housing Ass'Y.-L.H. Obsolete - Not Available
 $125.56

Part Number:781-0473

Discontinued

Discontinued
 $125.56
Discontinued
42
Housing Asm-rh
 $87.36

Part Number:781-0472-0638

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: -640
 $87.36
Usually ships in 7 - 12 business days
 $87.36
42
Use 781-0474a
 $131.80

Part Number:781-0474

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Nla - 645 And 648
 $131.80
Usually ships in 7 - 12 business days
 $131.80
43
Spark Plug Boot Obsolete - Not Available
 $2.99

Part Number:735-0639

Discontinued

Discontinued

Note: (Optional)
 $2.99
Discontinued
45
Release Bar Obsolete - Not Available
 $6.18

Part Number:747-0531A

Discontinued

Discontinued
 $6.18
Discontinued
46
Spring-torsion
 $4.99

Part Number:932-0546

In Stock

In Stock
 $4.99
In Stock
 $4.99
47
Nut-hex Ins
 $3.99

Part Number:712-0429

In Stock

In Stock

Note: (Code: N)
 $3.99
In Stock
 $3.99
48
Hex Washer
 $3.99

Part Number:710-1260A

In Stock

In Stock

Note: (Not Shown)
 $3.99
In Stock
 $3.99
49
Stop Washer
 $5.15

Part Number:11480

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $5.15
Usually ships in 7 - 12 business days
 $5.15
50
Use 936-0264
 $6.61

Part Number:736-0264

In Stock

In Stock

Note: (Model 017r Only)
 $6.61
In Stock
 $6.61
51
Screw-hex 5/16-18
 $6.44

Part Number:710-0542

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $6.44
Usually ships in 7 - 12 business days
 $6.44
52
Back-Up Plate Obsolete - Not Available
 $52.61

Part Number:781-0487B

Discontinued

Discontinued
 $52.61
Discontinued
53
Inlet Guide Ass'Y. Obsolete - Not Available
 $117.50

Part Number:16522A

Discontinued

Discontinued
 $117.50
Discontinued
54
Hopper Ass'y Obsolete - Not Available
 $148.12

Part Number:11481B

Discontinued

Discontinued
 $148.12
Discontinued
55
Upper Guide Ass'Y. Obsolete - Not Available
 $60.16

Part Number:16524B

Discontinued

Discontinued
 $60.16
Discontinued
57
Nut-hex Center
 $4.99

Part Number:912-0107

In Stock

In Stock

Note: 500 & 600 Series
 $4.99
In Stock
 $4.99
58
Upper Leaf Ramp Section
 $57.30

Part Number:11461B

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $57.30
Usually ships in 7 - 12 business days
 $57.30
59
Cap-push
 $9.96

Part Number:726-0214

In Stock

In Stock

Note: Models Equipped With a 42-Inch
 $9.96
In Stock
 $9.96
59
Fl-wash. (hardened)
 $4.99

Part Number:736-0187

In Stock

In Stock

Note: If Equipped
 $4.99
In Stock
 $4.99
61
Spacer
 $6.93

Part Number:950-0786

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Model Series 450
 $6.93
Usually ships in 7 - 12 business days
 $6.93
62
Axle-shredder 3&5
 $42.84

Part Number:738-0814

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Model (462 or 463) - 640 And 645
 $42.84
Usually ships in 7 - 12 business days
 $42.84
62
Axle-shredder 8 Hp
 $50.91

Part Number:738-0813

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: For Models (647c, 648c & 650c) - -648
 $50.91
Usually ships in 7 - 12 business days
 $50.91
63
Wheel Ass'Y. Comp. Obsolete - Not Available
 $23.14

Part Number:734-1603

Discontinued

Discontinued

Note: Nla - -640
 $23.14
Discontinued
63
Wheel Assy W/tire
 $91.11

Part Number:734-1600

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Model (462) - -645
 $91.11
Usually ships in 7 - 12 business days
 $91.11
63
Tire-648 4.10 /3.5
 $115.49

Part Number:734-1598-0901

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Not Shown) - -648
 $115.49
Usually ships in 7 - 12 business days
 $115.49
64
Rim Only
 $29.76

Part Number:734-1455

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Wheel Ass'y. Comp (Steel - 10 X 4) - -648
 $29.76
Usually ships in 7 - 12 business days
 $29.76
65
Bearing-flange
 $7.51

Part Number:741-0487C

In Stock

In Stock

Note: -648
 $7.51
In Stock
 $7.51
66
Valve-tubeless Air
 $4.99

Part Number:934-0255

In Stock

In Stock

Note: Model No.(S) E633e, E6b3h - -648
 $4.99
In Stock
 $4.99
67
Fitting-grease
 $5.29

Part Number:937-0146

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Optional Part) - -648
 $5.29
Usually ships in 7 - 12 business days
 $5.29
68
Screw-hex 5/16-18
 $6.63

Part Number:710-0759

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: for Faster Service Obtain Standard Nuts, Bolts and Washers Locally. if These Items Cannot Be Obtained Locally, Order by Part and - -648
 $6.63
Usually ships in 7 - 12 business days
 $6.63
69
Use 912-3010
 $4.99

Part Number:712-3010

In Stock

In Stock

Note: -648
 $4.99
In Stock
 $4.99
70
Bracket-tank Suppor
 $3.99

Part Number:781-0500

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (648) - -648
 $3.99
Usually ships in 7 - 12 business days
 $3.99
71
Fuel Tank Mtg. Brkt. Obsolete - Not Available
 $59.33

Part Number:781-0491-0637

Discontinued

Discontinued

Note: (648) - -648
 $59.33
Discontinued
73
Screw-hex Wash Hd
 $4.99

Part Number:710-0227

In Stock

In Stock

Note: (462r, 472r) - -648
 $4.99
In Stock
 $4.99
74
Hex Bolt 1/4-20 X .62
 $3.99

Part Number:710-0751

In Stock

In Stock

Note: for Faster Service Obtain Standard Nuts, Bolts and Washers Locally. if These Items Cannot Be Obtained Locally, Order by Part Num - -648
 $3.99
In Stock
 $3.99
800
Bag Assembly
 $74.16

Part Number:664P04022A

In Stock

In Stock

Note: (Optional)
 $74.16
In Stock
 $74.16
801
Goggles-safety
 $25.59

Part Number:723-0400

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Not Shown)
 $25.59
Usually ships in 7 - 12 business days
 $25.59
 Fig #
1
Upper Leaf Ramp Section
 $57.30

Part Number:11461B

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $57.30
Usually ships in 7 - 12 business days
 $57.30
3
Nut-hex Center
 $4.99

Part Number:912-0107

In Stock

In Stock

Note: 500 & 600 Series
 $4.99
In Stock
 $4.99
4
Pivot Hopper Hood Obsolete - Not Available
 $96.24

Part Number:781-0494

Discontinued

Discontinued
 $96.24
Discontinued
5
Upper Guide Ass'Y. Obsolete - Not Available
 $60.16

Part Number:16524B

Discontinued

Discontinued
 $60.16
Discontinued
6
Door-hopper Pivot
 $17.97

Part Number:781-0492A

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: *Choose Color When Ordering*
 $17.97
Usually ships in 7 - 12 business days
 $17.97
7
Hopper Lockout Brkt. Obsolete - Not Available
 $13.52

Part Number:781-0493

Discontinued

Discontinued
 $13.52
Discontinued
8
Spring-torsion
 $6.27

Part Number:932-0629

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $6.27
Usually ships in 7 - 12 business days
 $6.27
9
Rod-hopper Door
 $3.99

Part Number:747-0747

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
10
Cap Speed Nut
 $3.99

Part Number:726-0106

In Stock

In Stock
 $3.99
In Stock
 $3.99
11
Release Bar Obsolete - Not Available
 $6.18

Part Number:747-0531A

Discontinued

Discontinued
 $6.18
Discontinued
 Fig #
Chipper / Shredder Parts

Repair Guides for MTD Chipper 645

How to Replace the Fuel Filters in Your Outdoor Power Equipment

This video will help you troubleshoot your fuel-line replacement repairs.

Quick Fix: How to Clean a Spark Arrestor Screen on a Small 2-Cycle Engine

This repair video will instruct you how to repair a dirty or damaged spark arrestor on your small engine.

How to Test a Small Engine for Spark

If your small engine isn't starting, you'll need to diagnose many issues including the spark plug. This video walks you through the steps of how to test for a spark using a spark tester.

Quick Fix: How to Replace the Spark Plug in a Small Engine

This video will help you replace the spark plug on a small engine which will help get your gas powered equipment up and running again.

Questions & Answers for 645


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Midvale, UT 84047
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