- OEM
- CAT WDS (S/N: M4J1-UP)
- Off-Highway Truck/Tractor
- 785 (S/N: 8GB1-UP)
- 785B (S/N: 6HK1-UP)
- 785C (S/N: 1HW1-UP; APX1-UP; 5AZ1-UP)
- 785D (S/N: DMC1-UP; MSY1-UP)
- 785G (S/N: RTL1-UP)
- 786 (S/N: 01A1-UP; 81A1-UP)
- 789 (S/N: 9ZC1-UP)
- 789B (S/N: 7EK1-UP)
- 789C (S/N: 2BW1-UP)
- 789D (S/N: SPD1-UP; SHH1-UP; TWP1-UP)
- 789G (S/N: TR21-UP)
- 793 (S/N: 3SJ1-UP)
- 793B (S/N: 1HL1-UP)
- 793C (S/N: CBR1-UP; 4AR1-UP; ATY1-UP; 4GZ1-UP)
- 793D (S/N: FDB1-UP)
- 793F (S/N: SND1-UP; SSP1-UP; SXP1-UP; D3T1-UP; RBT1-UP)
- 785B (S/N: 6HK1-UP)
Introduction
The problem that is identified below does not have a known permanent solution. Until a permanent solution is known, use the solution that is identified below.
Problem
Lock plate in transmission planetary group may fail on the machines listed above.
Solution
Caterpillar is aware of this problem and is working to implement an improved lock plate, but the lock plate is currently unavailable.
Illustration 1 | g06421593 |
Typical view of planetary group (parts removed for clarity) (A) |
In case of failure, replace failed 1S-5623 Lock Plate (A) with the same part.
Do not operate or work on this product unless you have read and understood the instruction and warnings in the relevant Operation and Maintenance Manuals and relevant service literature. Failure to follow the instructions or heed the warnings could result in injury or death. Proper care is your responsibility. |