New Front Axle Bevel Gear Set Improves Service Life {3258,3013,3256,3278}
Usage:
TH62 (3LN1-652, 4TM1-845) Telehandlers
Reference: Parts Manual SEBP2352-00.
Illustration 1.
A new left hand, shot peened bevel gear set is now available for the front axles of TH62 Telehandlers. The new 146-4091 Bevel Gear Set (1) is a direct replacement for the former 139-9533 Bevel Gear Set on front axles.
NOTE: The 146-4091 Bevel Gear Set has 8 teeth on the pinion, and the bevel gear has 41 teeth. The former 139-9533 Bevel Gear Set has 7 teeth on the pinion and 36 teeth on the bevel gear. The ratio remains the same.
NOTE: Serial numbers TH62 (3LN653-Up, 4TM846-UP) use 8I-4299 Bevel Gear Set.
Caterpillar Information System:
1997/09/15 New Rear Axle Differential Group Bevel Gear Set Improves Service Life {3258,3013,3256,3278}
1997/09/15 Proper TH Series Transmission Clutch And Solenoid Operation {3150,3073,3155,3167}
1997/09/15 New Rear Suspension Cylinders Improve Service Life {7213,7201}
1997/09/15 New Hoist Cylinder Seals And End Cap Now Available For Service Repair {5102}
1997/09/15 New Seal Used In Transmission Transfer Gear Group For Improved Seal Life {3159,3002}
1997/09/15 Hose Assembly And New Hardware Replaces Tube Assembly, Improving Fuel Priming Pump Life {1274}
1997/09/15 Transmission Shift Control Group Improved For Reliability And Longer Service Life {3168}
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}
1997/09/15 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}
1997/09/22 Engine Oil Filter Access Changed For Improved Serviceability And Turbo Life{1306}
1997/09/22 Four Wheel Drive All-Wheel-Steer Brakes{4250,4257}
1997/09/22 New Differential Pinion Bearing Setting Tool And Procedure Available{3258}
1997/09/22 Retrofit Kits Available For Rear Axle Lube And Filtration{4051,3258,3260,7601}
1997/09/22 Improved Braze Joint On Brake Oil Coolers Reduce Possibility Of Leaks{1365}
1997/09/22 Additional Relay Valve Used In Automatic Retarder Arrangements To Improve Automatic Retarder Control (ARC) System Reliability{4005,4133,3120}
1997/09/22 Larger Clamps Improve Hose Installation In 124-8216 Water Lines Group In 793C Off-Highway Trucks{7554}