Transmission Shift Control Group Improved For Reliability And Longer Service Life {3168}
Usage:
12H (4XM, 8MN, 2LR, 2WR, 2GS, 5ZM, 4ER),
120H (4MK, 5FM, 6NM, 6TM, 2AN, 9YR, 3GR, 9FN),
135H (7MM, 8WN, 3YK),
140H (2ZK, 5HM, 8KM, 8JM, 9TN, 9ZN, 3AS, 3FR),
143H (1AL),
160H (9JM, 2FM, 9EJ, 3GM, 3HR, 6WM, 2HS),
163H (5AK),
24H (7KK) Motor Graders
Description of Change: Internal changes have been made to the transmission control group to provide increased reliability and longer service life.
Adaptable To: The improved 8C-5337 Transmission Control Group can be identified by the date code stamped above the 24 pin rectangular Deutsch connector. The improvements are effective with date code of 9704 (97 = year 1997, 04 = fourth week of the year). The improved control group is adaptable to first production for the machines listed above.
Caterpillar Information System:
1997/09/15 Heavy Duty Debris Guards Available {4150,4187,4177}
1997/09/15 Service Magazine Special Edition, SEPD0376, Available {0374}
1997/09/08 3406C Pump And Governor Changes Provide Improved Oil And Fuel Leak Resistence{7555}
1997/09/08 New Engine Starting Motor Available{1453}
1997/09/08 New Steel Bearings Available For Front Cylinder Mounts{7551,7201}
1997/09/08 New Handrails Improves Service Life{7256}
1997/09/08 New Thrust Washer In Final Drive And Wheel Group Improves Service Life{4051}
1997/09/08 Wiring Harness Update{1408}
1997/09/01 Improvement Provides Better Sealing For Unit Injectors {1290}
1997/09/01 Revised Operation And Maintenance Manual Now Available {0374,0375}
1997/09/01 Service Manual And Parts Manual Literature Now Available {0374,0375,7568}
1997/09/01 Retention Between Rotor Drive Axle Sprocket And Retaining Plate Improved {5631}
1997/09/15 Hose Assembly And New Hardware Replaces Tube Assembly, Improving Fuel Priming Pump Life {1274}
1997/09/15 New Seal Used In Transmission Transfer Gear Group For Improved Seal Life {3159,3002}
1997/09/15 New Hoist Cylinder Seals And End Cap Now Available For Service Repair {5102}
1997/09/15 New Rear Suspension Cylinders Improve Service Life {7213,7201}
1997/09/15 Proper TH Series Transmission Clutch And Solenoid Operation {3150,3073,3155,3167}
1997/09/15 New Rear Axle Differential Group Bevel Gear Set Improves Service Life {3258,3013,3256,3278}
1997/09/15 New Front Axle Bevel Gear Set Improves Service Life {3258,3013,3256,3278}
1997/09/15 Correction To Fan Speed And Pressure Test Procedure {1356,1386,1387}
1997/09/15 New Temperature Regulators Provide More Accurate Opening And Closing Temperatures {1330,1355}
1997/09/15 Cold Cylinder Cutout Strategy Added To The Electronic Control Module (ECM) Software {1902}
1997/09/22 Non-Rotating Drawbar Pin Extends Service Life{7105,7119}
1997/09/22 Charcoal Air Filter Available Reduces Odors From Outside Air{7309,7320,7342}