1996/08/12 Caterpillar

New Grooved Piston Assemblies Available For Piston Pump Rotating Groups {5070}

Usage:

D5H (7NC, 8RC, 9HC, 1DD, 1YD, 2SD, 3MD, 4KD, 2ZJ, 8RJ, 4PK),
D5H TSK (7EG),
D6H (8KB, 4RC, 6FC, 8FC, 1KD, 2KD, 2TG, 4LG, 1FJ, 8ZJ, 5KK, 8KK, 9RK, 2BL),
D8N (5TJ),
D11N (4HK) Track-Type Tractors;
Challenger 65C (2ZJ),
Challenger 70C (2YL),
Challenger 75C (4KK),
Challenger 85C (9TK) Agricultural Tractors;
12G (3WC, 3PL, 61M),
14G (96U),
16G (93U),
120G (2AB, 4HD, 87V, 11W, 61W, ),
130G (74V, 12W),
140G (5MD, 72V, 13W),
160G (4JD) 12H (4XM, 5ZM, 8KM, 8MN, 2LR, 2WR, 2GS, 3AS),
14H (7WJ),
16H (6ZJ, 3JR),
120H (4MK, 5FM, 6NM, 6TM, 2AN, 9FN, 3GR, 9YR),
135H (3YK, 7MM, 7PM, 7ZN, 8WN),
140H (9ZK, 5HM, 8JM, 8KM, 9TN, 9ZN, 3FR, 3AS),
143H (1AL),
160H (9EJ, 2FM, 3GM, 6WM, 9JM, 2HS) 163H (5AK) Motor Graders;
227 (10W) Log Loaders;
416 (5PC),
428 (6TC),
426 (7BC),
436 (5KF),
438 (3DJ),
446 (6XF),
446B (5BL) Backhoe Loaders;
515 (4LR),
520D (9YK),
522D (2WL),
525 (1DN),
527 (2RS, 3DS) Skidders;
789B 7EK, 793 (3SJ),
793B (1HL) Trucks;
950F (6YG),
950F Series II (4DJ, 5SK, 8TK),
966F (4YG),
966F Series II (8BG, 9YJ, 1SL) Wheel Loaders;
5130 (7TJ, 5ZL),
5230 (7LL) Excavators

New grooved piston assemblies are available for piston pump rotating groups. The new piston assemblies are interchangeable and can be mixed with smooth piston assemblies.

Caterpillar Information System:

1996/08/12 Smaller Diameter O-Ring Seal Used On Head For Threaded Gland Cylinder Groups {4303,5101,5102,5104,5452,7562}

1996/08/12 New Maintenance Schedule Reduces Cost Of Servicing {7500}

1996/08/12 Load Capacity Chart Part Numbers Are Now Available For Telehandlers Under ANSI Regulation {6400,7000}

1996/08/12 Individual Components Of The Rolling Hoses Are Available as Separate Service Parts {5057}

1996/08/12 Longer Battery Cable Improves Service Life of Battery Posts {1402}

1996/08/12 New Priority Valve Spool Increases Steering System Flow {4306,4320}

1996/08/12 Procedure For Steering Stop Setting {7050}

1996/08/12 New Hydraulic Pump Now Used And Service Parts Are Available {5070}

1996/08/12 Wheel Bearing Check And Adjustment Maintenance Interval {4208}

1996/08/12 New Bracket For The Engine RPM Control Cable {1265}

1996/08/12 New Steering Flow Switch Assembly Prevents Open Contacts {7492}

1996/08/12 Improved Steering Flow Switch Assembly Prevents Open Contacts {7492}

1996/08/12 New Basic Exhaust Bypass Group (Wastegate Valve) Used In Exhaust Bypass Group {1057}

1996/08/12 New High Efficiency Secondary Fuel Filter Assembly Improves Injector Life On 3500 Engines With EUI Injectors {1261}

1996/08/12 Be Sure To Use New 129-1939 Grease When Rebuilding Water Pump Groups {1361,0645}

1996/08/12 New Connector Assembly In Water Lines Group {1380}

1996/08/19 Cab Improvements Reduce Glass Fracture and Improve Sealing {7310,7323,7340}

1996/08/19 Improved Test Procedure For Hydraulic Pump Torque Limiter {5070}

1996/08/19 Improved Tachometer Assembly Now Used Which Eliminates The Problem Of Moisture Entering The Flat Bezel {7462}

1996/08/19 Replacing The Tee Gasket In Split Oil Pan Groups With A Flexible Gasket Maker {1300}

1996/08/19 New Adapter Used In Oil Filter Group To Provide Increased Parts Commonality {1318}

1996/08/19 New Seal Retainers And Backing Plate Used To Reduce Oil Leaks And Provide An Increased Face Load On Duo-Cone Seals {4251,7561}

1996/08/19 New Orifice Plate To The Rear Brake Cooling Return Oil Line Significantly Reduces Hub Wear {4257}

1996/08/19 New Seal Used In Metering Pump Group To Improve Service Life {4312}