1125819 INSTALLATION AR-ENGINE Caterpillar parts
120H, 135H
Rating:
Alternative (cross code) number:
CA1125819
112-5819
1125819
CA1125819
112-5819
1125819
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Information:
Which Generate This Code:This code indicates that the engine has run above 95% of full power for more than 15 minutes in a one hour period. The engine will be derated in order to prevent damage to the engine. This could be caused by misapplication of the engine.Note: This feature is only available for C-12 engines that are rated at 505 HP for use in Recreational Vehicles.System Response:Engine Response The engine has been derated to 455 HP. The engine will restore full power after the engine has run in the derated condition for one hour.Test Step 1. Talk to the OperatorNote: No repair to the engine is necessary.
Determine the conditions that generated this code. Determine if there were any loads that could cause the engine to run at high horsepower. Also, steep hills could cause the derate.Expected Result:Excessive load and/or climbing hills caused the derate.Results:
OK - The reason for the derate was determined.Repair: Reduce the load on the engine.STOP
Determine the conditions that generated this code. Determine if there were any loads that could cause the engine to run at high horsepower. Also, steep hills could cause the derate.Expected Result:Excessive load and/or climbing hills caused the derate.Results:
OK - The reason for the derate was determined.Repair: Reduce the load on the engine.STOP
Caterpillar SIS machinery equipment:
Caterpillar parts catalog:
Parts installation Caterpillar catalog:
2587288
INSTALLATION GP-RADIO
120H, 12H, 135H, 140H, 160H
120H, 12H, 135H, 140H, 160H
3660733
INSTALLATION GP-RADIO
966M, 966M XE, 972M, 972M XE, 980M, 982M
966M, 966M XE, 972M, 972M XE, 980M, 982M
3378363
INSTALLATION GP-SECURITY
324E, 324E L, 324E LN, 329E, 329E L, 329E LN, 336E, 336E L, 336E LN, 336F L, 349E, 349E L, 349E L VG, 349F L
324E, 324E L, 324E LN, 329E, 329E L, 329E LN, 336E, 336E L, 336E LN, 336F L, 349E, 349E L, 349E L VG, 349F L
3733179
INSTALLATION GP-RADIO
CP-54B, CP-68B, CP-74B, CS-54B, CS-56B, CS-64B, CS-66B, CS-68B, CS-74B, CS-76B, CS-78B
CP-54B, CP-68B, CP-74B, CS-54B, CS-56B, CS-64B, CS-66B, CS-68B, CS-74B, CS-76B, CS-78B
1251989
INSTALLATION GP-RADIO
963B, 973
963B, 973
3453425
INSTALLATION GP-RADIO
M313D, M315D, M316D, M318D, M318D MH, M322D, M322D MH, M325D L MH, M325D MH
M313D, M315D, M316D, M318D, M318D MH, M322D, M322D MH, M325D L MH, M325D MH
3106000
INSTALLATION GP-RADIO
824K, 825K, 826K, 834K, 836K, 988K
824K, 825K, 826K, 834K, 836K, 988K
2333126
INSTALLATION GP-LIGHTING
120M, 120M 2, 12M, 12M 2, 140M, 140M 2, 14M, 160M, 160M 2, 16M
120M, 120M 2, 12M, 12M 2, 140M, 140M 2, 14M, 160M, 160M 2, 16M
3786680
INSTALLATION AR-ENGINE
246D, 262D, 277D, 279D, 287D, 289D
246D, 262D, 277D, 279D, 287D, 289D
9U8935
INSTALLATION GP-RADIO
D6H, D6H XL, D6H XR, D7H, D8N, D8R
D6H, D6H XL, D6H XR, D7H, D8N, D8R