New Transmission Control Group is Now Used on Certain H and K Series Motor Graders {5258}
- Motor Grader
- 120H (S/N: CAF1-75001; 4MK1-1015; 5FM1-6620; 6NM1-254; 6TM1-442; 2AN1-414; 6YN1-636; 9FN1-705; 3GR1-81; 9YR1-680)
- 120K (S/N: SZN1-2534; JAP1-6938)
- 120K Series 2 (S/N: SZS1-1210; SZZ1-211)
- 12H (S/N: XZJ1-507; CBK1-1776; 4XM1-UP; 5ZM1-303; 8MN1-971; 2LR1-294; 2WR1-1305; 4ER1-1417; 2GS1-673; AMZ1-1357)
- 12K (S/N: JJA1-3527; SZP1-1032)
- 135H (S/N: CBC1-312; BDJ1-118; 3YK1-606; 8WN1-1026; AMX1-191)
- 140H (S/N: CCA1-4181; XZH1-2381; 2ZK1-75001; APM1-3748; 5HM1-76001; 8JM1-295; 8KM1-393; 9TN1-1614; 9ZN1-22300; 3FR1-195; 3AS1-747)
- 140K (S/N: JPA1-4381; SZL1-4066)
- 140K Series 2 (S/N: SZW1-197)
- 143H (S/N: 1AL1-1349; APN1-1183)
- 160H (S/N: ASD1-811; 9EJ1-1331; XZK1-627; 2FM1-1114; 3GM1-209; 6WM1-340; 9JM1-359; CCP1-516; 3HR1-11; 2HS1-500)
- 160K (S/N: SZM1-746; JBP1-3174)
- 163H (S/N: 5AK1-451; ARL1-525)
- 24H (S/N: 7KK1-77007)
- 120K (S/N: SZN1-2534; JAP1-6938)
Description Of Change: A new Transmission Control Group is now used on the machines that are listed above. The new transmission control has the following improvements:
- Changed from mechanical switches to Hall Effect electronic switching for improved performance.
- Improved durability
Adaptable To: The new transmission control group is adaptable to the machines within the listed serial numbers, and effective with all machines after the listed serial numbers.
The new and the former part numbers are listed in Table 1.
Show/hide table
| Qty | New Part Number | Former Part Number |
|---|---|---|
| 1 | 452-9831 Transmission Control | 253-4019 Transmission Control |
Caterpillar Information System:
Procedure to Install a Power Circuit When Installing the Control Gp – Transmission on Certain H Series Motor Graders {5258} Procedure to Install a Power Circuit When Installing the Control Gp – Transmission on Certain H Series Motor Graders {5258}
548 Forest Machine Machine System Joystick Control
120M, 12M, 140M and 160M Motor Graders Tandem - Check
An Improved Fan Drive Assembly is Now Used on Certain 777F Off-Highway Trucks {1359} An Improved Fan Drive Assembly is Now Used on Certain 777F Off-Highway Trucks {1359}
An Improved Fan Drive Assembly is Now Used on Certain 773G and 775G Off-Highway Trucks {1359} An Improved Fan Drive Assembly is Now Used on Certain 773G and 775G Off-Highway Trucks {1359}
Procedure to Install an Improved Fan Drive Assembly on Certain 777G Off-Highway Trucks {1359} Procedure to Install an Improved Fan Drive Assembly on Certain 777G Off-Highway Trucks {1359}
An Improved Fan Drive Assembly is Now Used on Certain 777G Off-Highway Trucks {1359} An Improved Fan Drive Assembly is Now Used on Certain 777G Off-Highway Trucks {1359}
A New Top Liner Seal is Now Used for Certain 3500 Machine Engines with Cuffed Cylinder Liners {1201, 1217, 7555} A New Top Liner Seal is Now Used for Certain 3500 Machine Engines with Cuffed Cylinder Liners {1201, 1217, 7555}
548 Forest Machine Machine System Final Drive
990K Wheel Loader Systems Window Wiper and Washer
992K Wheel Loader Systems Oil Pressure Switch (Differential)
992K Wheel Loader Systems Pressure Switch - Hydraulic Oil
797B Off-Highway Truck Cab - Remove and Install
785G OFF-HIGHWAY TRUCK Engine Supplement Clean Emissions Module - Remove and Install
Minegem and Command for Underground Area Isolation Barricade Now Supplied in Longer Lengths {7332, 7556} Minegem and Command for Underground Area Isolation Barricade Now Supplied in Longer Lengths {7332, 7556}
Location Reporting Frequency Now Processed Correctly on Cat® Product Link Locator Devices {7606} Location Reporting Frequency Now Processed Correctly on Cat® Product Link Locator Devices {7606}
M Series Motor Graders Equipped with Generation II Steering May Trigger False Event Code {4323} M Series Motor Graders Equipped with Generation II Steering May Trigger False Event Code {4323}
777E, 777F and 777G Off-Highway Truck Radiator - Remove and Install
C175-16 and C175-20 Engines for Off-Highway Trucks Cylinder Head Valves
777G Off-Highway Truck Hydraulic and Braking System Internal Brake Leakage - Check
PM820, PM822, and PM825 Cold Planer Engine Supplement Belt Tensioner - Remove and Install
PM820, PM822, and PM825 Cold Planer Engine Supplement Engine Oil Filter and Base - Remove and Install
CW12 Pneumatic Compactor Machine Systems Relief Valve (Steering) - Test and Adjust
Boom Foot Hose Assembly May Crack on Certain MH3024 Material Handlers {5057} Boom Foot Hose Assembly May Crack on Certain MH3024 Material Handlers {5057}