1999/11/08 Caterpillar


Drive Shaft Now Used {3253}

Usage:


D3C Series III (6SL, 7XL, 9TS),
D4C (1RJ, 2CJ),
D4C Series II (7KG, 9BG),
D4C Series III (1FW, 6YL, 7SL) Track-Type Tractors

Reference: Service Magazine, SEPD0429; August 10, 1998; Page 1; "New Transfer Output Yokes Available".

Description of Change: A new drive shaft has replaced the former drive shaft for the listed machines. The new drive shafts design provides for supplier commonality among products and provides improved assembly for manufacturing.

Adaptable To: The new 171-0281 Drive Shaft Group replaces the former 6S-6040 Drive Shaft Assembly. The effective group and part numbers are identified in Tables 1 and 2. The former 6S-6040 Drive Shaft Assembly has been canceled.

The new 171-2081 Drive Shaft Group is adaptable to the D3C SERIES III machines reworked per the referenced Service Magazine article and to all D4C Machines.

Caterpillar Information System:

1999/11/01 138-8440 Component Cleaner May Damage Electrical Connectors {0644}
1999/11/01 Improved Corrosion Protection For Reman Major Components {3100,3150,4059}
1999/11/01 Improved Hydraulic Line For Pilot Control Increases Service Life {5057}
1999/11/01 New ROPS Canopy Has Higher Gross Machine Weight Certification {7323}
1999/11/01 Schematic Available For 994D Wheel Loaders {7601,7566}
1999/11/01 Customer Site License And Annual Subscriptions For VIMSpc99 Software Available {7601}
1999/11/01 Correction To Disassembly And Assembly, Machine Systems, 992G Wheel Loader, SENR5893-01 {0374,6107}
1999/11/01 Seals Used In Charge Pumps Are Now Serviced {3203}
1999/11/01 New Plates On Accumulator Support Provide Longer Service Life {5077,7107}
1999/11/01 Special Instruction, REHS0434-02, Is Available {0374,6800}
1999/11/01 Special Instruction For Installing New Air Suspension Seat And Wiring Is Available {0374,1408,7324}
1999/10/25 New Flywheel Housing Gasket For 3408 And 3412 Machine Engines {1152}
1999/11/08 New Cover Prevents Wear In Bevel Gear Group {3258}
1999/11/08 Improved Ripper Lines Available {5352,5356}
1999/11/08 Correction To SEBU7140, 545 Wheel Skidder, Operation And Maintenance Manual {0374,0375,3278,4011}
1999/11/08 Download Flash Files By Using The Caterpillar Service Information System (SIS) Or SIS Web {1901,1920}
1999/11/15 Final Drive Duo-Cone Seals {4050}
1999/11/15 Hardened Shims In The Lift And Tilt Relief Valves Prevent Pressure Loss {5117}
1999/11/15 Engine Oil Scavenge Pumps Use New Hardened Shaft Assemblies {1312}
1999/11/15 Piston Pump Swashplate Stop Retained With Dowel Pin {5070}
1999/11/15 High Temperature Engine Coolant Requires New Air Compressor Lines {1803}
1999/11/15 Correction To Schematic, Electrical System, 950G And 962G Wheel Loaders, IT62G Integrated Toolcarriers, SENR1393-01 {0374,7566}
1999/11/15 New High Strength Piston Bolts For Threaded Gland Cylinders {5101,5102,5104,5106}
1999/11/22 New Resolver Valve Has Backup Ring To Prevent Seal Extrusion {5051}
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