An Improved Harness Assembly is Now Used in the Transmission Wiring Group on Certain 777E, 777F, and 777G Off-Highway Trucks {1408, 3030} Caterpillar


An Improved Harness Assembly is Now Used in the Transmission Wiring Group on Certain 777E, 777F, and 777G Off-Highway Trucks {1408, 3030}

Usage:

777G GT7
OEM
CAT WDS (S/N: M6J1-127)
Off-Highway Truck/Tractor
777E (S/N: KDP1-1135; KDZ1-276)
777F (S/N: WTK1-UP; JRP1-UP; JXP1-UP)
777G (S/N: GT71-190; T5A1-300; TNM1-1155; RDR1-542; T4Y1-527)

Description Of Change: An improved wiring harness assembly is now used in the transmission wiring group on the machines listed above.

The new transmission harness has a straight connector to the transmission with improved potting. The new harness has improved resistance to water ingress into the connector.

Adaptable To: The following changes are adaptable to the products within the listed serial numbers, and are effective with all products after the listed serial numbers.

Table 1
Parts List 
Model  New Part Number  Description  Group  Former Part Number(1) 
777F  558-9092  Sensor Harness As  249-7089  329-5770 
777G  558-9088  Transmission Harness As  310-7619  331-1126 
777E  558-9043  Wiring Harness  461-2005  461-2044 
(1) The former part number listed is for reference only and may differ

Table 2
Parts Needed to Replace Harness 
Model  Qty  Part Number  Description 
777F  558-9092  Sensor Harness As 
2 4P-7581  Clip 
8 7K-1181  Cable Strap 
777G  558-9088  Transmission Harness As 
2 4P-7429  Clip 
10 7K-1181  Cable Strap 
777E  558-9043  Wiring Harness 
11 7K-1181  Cable Strap 


Illustration 1g06383398
Additional clip location for 777F
(A) 4P-7581 Clip
(B) 7K-1181 Cable Strap


Illustration 2g06383417
Additional clip location for 777G
(A) 4P-7429 Clip
(B) 7K-1181 Cable Strap

Note: The 777E does not change routing or add clips.

Caterpillar Information System:

High Voltage Cable Assembly Routing is Now Improved on Certain 794 AC Off-Highway Trucks {1408} High Voltage Cable Assembly Routing is Now Improved on Certain 794 AC Off-Highway Trucks {1408}
PM620, PM622, PM820 and PM822 and PM825 Cold Planer Power Train Idlers (Track)
Transmission Filter Serviceability is Improved on Certain 793D Off-Highway Trucks {1374, 1380, 5057} Transmission Filter Serviceability is Improved on Certain 793D Off-Highway Trucks {1374, 1380, 5057}
Procedure to Improve Transmission Filter Serviceability on Certain 793D Off-Highway Trucks {1374, 1380, 5057} Procedure to Improve Transmission Filter Serviceability on Certain 793D Off-Highway Trucks {1374, 1380, 5057}
Improved  Front Suspension Cylinder Bellows and Retention Clamps for 794 AC Off-Highway Trucks are Available {7201} Improved  Front Suspension Cylinder Bellows and Retention Clamps for 794 AC Off-Highway Trucks are Available {7201}
Driver Safety System DSS Mining Test Button
Driver Safety System DSS Mining Speaker
Driver Safety System DSS Mining Camera
Band Clamps for Water Lines Are Breaking on Certain C18 Engines {1380} Band Clamps for Water Lines Are Breaking on Certain C18 Engines {1380}
Driver Safety System DSS Mining IR Light
Driver Safety System DSS Mining GPS Module
Service Tools Are Now Available for Certain Utility Vehicles {0599} Service Tools Are Now Available for Certain Utility Vehicles {0599}
Rework Procedure for the Fuel Filter Housing on Certain Machine Engines {1261} Rework Procedure for the Fuel Filter Housing on Certain Machine Engines {1261}
Procedure to Modify the Oil Pan for Additional Oil Sensor Ports on Certain 793F, 794AC, and 795F AC Off-Highway Truck Engines {1302, 1408, 1439, 7422} Procedure to Modify the Oil Pan for Additional Oil Sensor Ports on Certain 793F, 794AC, and 795F AC Off-Highway Truck Engines {1302, 1408, 1439, 7422}
14M Series 3 Motor Grader Circle Drive Pinion Teeth - Lubricate
The Implement Valve Tilt or Lift Section Centering Spring May Break on Certain Compact Track Loaders, Multi Terrain Loaders, and Skid Steer Loaders {5051} The Implement Valve Tilt or Lift Section Centering Spring May Break on Certain Compact Track Loaders, Multi Terrain Loaders, and Skid Steer Loaders {5051}
Manufacturing Process for the Standard Shift Transmission Synchronizer Sleeve Has Been Improved on Certain Backhoe Loaders {3030, 3053, 3063} Manufacturing Process for the Standard Shift Transmission Synchronizer Sleeve Has Been Improved on Certain Backhoe Loaders {3030, 3053, 3063}
The Final Drive Group has been Improved on Certain 777F and 777G Off-Highway Trucks {4050} The Final Drive Group has been Improved on Certain 777F and 777G Off-Highway Trucks {4050}
Hood or Right-hand Insulation may be Damaged on Certain F and F2 Series Backhoe Loaders {7150, 7170, 7251, 7263} Hood or Right-hand Insulation may be Damaged on Certain F and F2 Series Backhoe Loaders {7150, 7170, 7251, 7263}
Updated Cylinder Block Rear Housing Gasket is Now Available for Certain Cat® Machine Engines {1157, 1201} Updated Cylinder Block Rear Housing Gasket is Now Available for Certain Cat® Machine Engines {1157, 1201}
789D CMD Off-Highway Truck Chassis Electronic Control System (Command For Hauling) Electrical Component and Connector Locations
Certain Cat® Product Link PL542 Devices May Take Longer Time Than Expected To Complete Registration {7606} Certain Cat® Product Link PL542 Devices May Take Longer Time Than Expected To Complete Registration {7606}
PM620, PM622, PM820 and PM822 and PM825 Cold Planer Machine Systems Hydraulic Cylinder - Lines
The Plug Assembly In the Motor Head Group May Become Loose and Leak Oil on the Travel Motors on Certain Track Feller Bunchers {3202, 5058} The Plug Assembly In the Motor Head Group May Become Loose and Leak Oil on the Travel Motors on Certain Track Feller Bunchers {3202, 5058}
Back to top
The names Caterpillar, John Deere, JD, JCB, Hyundai or any other original equipment manufacturers are registered trademarks of the respective original equipment manufacturers. All names, descriptions, numbers and symbols are used for reference purposes only.
CH-Part.com is in no way associated with any of the manufacturers we have listed. All manufacturer's names and descriptions are for reference only.