Shop replacement Undercarriage for the Komatsu D31EX-21A-M. Available components include shoes - single grouser, track hardware, track group assembly charge, top carrier rollers, mounting hardware - top carrier rollers, lower rollers, mounting hardware - lower rollers, sprockets, mounting hardware - sprockets, front idlers, mounting hardware - front idlers, track chain - sealed and lubricated. Compare serial number, pitch, link height, bushing od and part numbers below to identify the appropriate replacement components for your machine.
Serial Number: 50501 & up
Pitch: 6.00"
Link Height: 87mm
Bushing OD: 50mm
Note: Stock photos provided to us by the manufacturer do not necessarily represent the actual item being purchased. Please refer to the title and description on this page before you place your order.
SHOES - SINGLE GROUSER
| Image | Part Number | Description | Qty Needed | Price | Total | Availability | Action |
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ITR-KM1088/16 | GRSR 1B D31A-P | 76 | Loading... | |||
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ITR-KM1088/24 | GRSR 1B D31A-P | 76 | Loading... |
TRACK HARDWARE
| Image | Part Number | Description | Qty Needed | Price | Total | Availability | Action |
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ITR-203-32-21210 | BOLT, TRACK | 296 | Loading... | |||
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ITR-9691/03 | NUT, TRACK 14MM | 296 | Loading... |
TRACK GROUP ASSEMBLY CHARGE
| Image | Part Number | Description | Qty Needed | Price | Total | Availability | Action |
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ITR-ASM1 | TGA LABOR CHARG | 2 | Loading... |
TOP CARRIER ROLLERS
| Image | Part Number | Description | Qty Needed | Price | Total | Availability | Action |
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ITR-11Y-30-00031 | D31PX-21 TCR | 2 | Loading... |
MOUNTING HARDWARE - TOP CARRIER ROLLERS
| Image | Part Number | Description | Qty Needed | Price | Total | Availability | Action |
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ITR-8T0357 | BOLT, 16MMX70MM | 4 | Loading... | |||
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ITR-01643-31645 | WASHER | 4 | Loading... |
LOWER ROLLERS
| Image | Part Number | Description | Qty Needed | Price | Total | Availability | Action |
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ITR-KM388 | S/F RLR GRP D31 | 6 | Loading... | |||
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ITR-KM389 | D/F RLR GRP D31 | 4 | Loading... |
MOUNTING HARDWARE - LOWER ROLLERS
| Image | Part Number | Description | Qty Needed | Price | Total | Availability | Action |
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ITR-6V5686 | BOLT, SPROCKET | 40 | Loading... | |||
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ITR-01643-31645 | WASHER | 40 | Loading... |
SPROCKETS
| Image | Part Number | Description | Qty Needed | Price | Total | Availability | Action |
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ITR-11Y-27-11540 | SPROCKET D37EX | 2 | Loading... |
MOUNTING HARDWARE - SPROCKETS
| Image | Part Number | Description | Qty Needed | Price | Total | Availability | Action |
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ITR-6V8550 | BOLT HEX 14MM | 50 | Loading... |
FRONT IDLERS
| Image | Part Number | Description | Qty Needed | Price | Total | Availability | Action |
|---|---|---|---|---|---|---|---|
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ITR-11Y-30-00010 | IDLER GRP D31PX | 2 | Loading... |
MOUNTING HARDWARE - FRONT IDLERS
| Image | Part Number | Description | Qty Needed | Price | Total | Availability | Action |
|---|---|---|---|---|---|---|---|
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ITR-01010-31675 | BOLT, 16MM | 8 | Loading... | |||
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ITR-01643-31645 | WASHER | 8 | Loading... |
TRACK CHAIN - SEALED AND LUBRICATED
| Image | Part Number | Description | Qty Needed | Price | Total | Availability | Action |
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ITR-11Y-32-00120 | TLA D31EX-21 | 2 | Loading... |