8H7874 GEAR Caterpillar parts
D8H, D8K
Rating:
Alternative (cross code) number:
CA8H7874
8H-7874
8H7874
CA8H7874
8H-7874
8H7874
Weight: 9 pounds 4 kg.
TRACK-TYPE TRACTOR,
Information:
Which Generate This Code:The Electronic Control Module (ECM) detects the following conditions:If the engine is not running, the following conditions must be met.
The actual injection actuation pressure remains above 3 MPa (435 psi) for at least three seconds.
Cold mode is not active.If the engine is running, the following conditions must be met.
The actual injection actuation pressure and the desired injection actuation pressure differ by more than 2 MPa (290 psi) for at least ten seconds.
The change in injection actuation pressure was not consistent with the change in the current to the control valve.
Cold mode is not active.System Response:The ECM will log the diagnostic code. The status of "Injection Actuation Pressure" on Caterpillar Electronic Technician (ET) will revert to a default value.
The engine may experience low power.Test Step 1. Perform the following diagnostic procedure: Injection Actuation Pressure Sensor - TestResults:
OK - STOP
The actual injection actuation pressure remains above 3 MPa (435 psi) for at least three seconds.
Cold mode is not active.If the engine is running, the following conditions must be met.
The actual injection actuation pressure and the desired injection actuation pressure differ by more than 2 MPa (290 psi) for at least ten seconds.
The change in injection actuation pressure was not consistent with the change in the current to the control valve.
Cold mode is not active.System Response:The ECM will log the diagnostic code. The status of "Injection Actuation Pressure" on Caterpillar Electronic Technician (ET) will revert to a default value.
The engine may experience low power.Test Step 1. Perform the following diagnostic procedure: Injection Actuation Pressure Sensor - TestResults:
OK - STOP
Caterpillar parts catalog:
Parts gear Caterpillar catalog:
4M9215
GEAR
16, 1693, 621, 641B, 651, 657, 666, 772, 777, 988, 992, D10, D342, D342C, D343, D348, D353C, D398, D399, D8H, D9E, D9G, D9H
16, 1693, 621, 641B, 651, 657, 666, 772, 777, 988, 992, D10, D342, D342C, D343, D348, D353C, D398, D399, D8H, D9E, D9G, D9H
4M0503
GEAR AS
983B, 988B, D6C, D6D, D6E, D6G, D6G2 LGP, D6G2 XL, D8H
983B, 988B, D6C, D6D, D6E, D6G, D6G2 LGP, D6G2 XL, D8H
4S9001
GEAR AS-OIL PUMP
941, 951B, D4D, D8K
941, 951B, D4D, D8K
4F2611
GEAR
12E, 140B, 14E, 561B, 594, 955C, 977D, D4D, D8H, D8K, D9E, D9G, D9H
12E, 140B, 14E, 561B, 594, 955C, 977D, D4D, D8H, D8K, D9E, D9G, D9H
4M2542
GEAR (12T.)
D8H, D8K
D8H, D8K
7N9917
GEAR (200 teeth)
D8K, D9H
D8K, D9H
9H1918
GEAR (49 TEETH)
583H, 583K, D8H, D8K
583H, 583K, D8H, D8K
8H7810
GEAR (26T)
D7F, D7G, D8H, D8K
D7F, D7G, D8H, D8K
9H6600
GEAR (30 TEETH)
D8H, D8K
D8H, D8K
9H0227
GEAR
D8H, D8K
D8H, D8K
1M3925
GEAR
D8H, D8K
D8H, D8K
1M3924
GEAR
D8H, D8K
D8H, D8K
1M3925
GEAR
D8H, D8K
D8H, D8K
8H7818
GEAR (41 TEETH)
D8H, D8K
D8H, D8K
9H7481
GEAR (46 TEETH)
D8H, D8K
D8H, D8K
9H0227
GEAR
D8H, D8K
D8H, D8K
9H6600
GEAR (30 TEETH)
D8H, D8K
D8H, D8K
2S8574
GEAR (12 Teeth-Drive)
D8H, D8K
D8H, D8K
8H7820
GEAR
D8H, D8K
D8H, D8K
8H7822
GEAR (47 TEETH)
D8H, D8K
D8H, D8K
8H7814
GEAR (36 TEETH)
D8H, D8K
D8H, D8K
8H7823
GEAR
D8H, D8K
D8H, D8K