New Track Shoes Are Now Used {4172}
- Track-Type Tractor:
- D11N (S/N: 4HK1-UP; 74Z1-UP)
- D11R (S/N: AAF1-UP; 8ZR1-UP; 9TR1-UP; 9XR1-UP; 7PZ1-UP)
Description of Change: The trapezoidal hole track shoes for the D11R Track-Type Tractor have been improved. The new track shoes have a smaller trap hole. The new track shoes have a reduced chance of cracking.
Adaptable To: The new track shoes are effective on all current D11R (S/N: 7PZ1-UP; AAF1-UP) track.
The new track shoes are adaptable to all former D11N (S/N: 4HK1-UP; 74Z1-UP) and D11R (S/N: 8ZR1-UP; 9TR1-UP; 9XR1-UP) track. The part numbers that have changed are listed in Table1.
Show/hide table
| Description | Former Part Number | New Part Number |
| 710 mm track shoe | 147-2305 | 221-8170 |
| 710 mm master track shoe | 147-2306 | 221-8177 |
| 810 mm track shoe | 143-0908 | 221-8174 |
| 810 mm master track shoe | 143-0910 | 221-8178 |
| 915 mm track shoe | 153-4964 | 221-8176 |
| 915 mm master track shoe | 153-4965 | 221-8180 |
Caterpillar Information System:
2003/12/01 New Parts Are Available for the Throttle {1266, 1269}
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