1997/05/26 Caterpillar

Foam Filled Oil Saver Tanks Used In Off-Highway Truck Rear Axle Groups To Increase Bearing Life{3260}

Usage:

793 (3SJ),
793B (1HL) Off-Highway Trucks

Reference: Service Magazine; November 21, 1994; Page 7; "New Tank (Oil Saver) Used In Rear Axle Assembly".

Description of Change: New foam filled oil saver tanks are used to allow adequate lubricant levels in differential housing for bearing lubrication.

View of foam filled oil saver tank in rear axle housing.

Adaptable To: New 130-2763 and 130-2764 Tank Assemblies directly replace former 117-9847 and 126-0990 Tank Assemblies previously used in 793B Off-Highway Truck rear axle housings. This change is effective with 793B (1HL346) Off-Highway Truck and is adaptable to 793B (1HL195-345) Off-Highway Trucks with plastic tanks. It is adaptable to 793 (3SJ1-Up) and 793B (1HL1-148) (with steel tanks), and 793B (1HL149-194) (with no tank) Off-Highway Trucks; refer to Service Magazine article given in the reference above for installation procedure.

Caterpillar Information System:

1997/05/19 Backup Alarms Improved{7406}

1997/05/19 New Antirotation Bearing Pins And Bearing Lubrication Lines Used On Rear Suspension Cylinder Bearings To Increase Service Life{7218,7213,7201,7200}

1997/05/19 Torque Specified For Piston Rod Nut In Steering Cylinder Group{4303}

1997/05/19 New Differential Pinion Bearing Setting Tool And Procedure Available{3258}

1997/05/19 New Electronic Transmission Control Group Used{3032,3100}

1997/05/19 Improved Speed Sensor Group Used{1907}

1997/05/19 Installation Of Transmission Oil Distributor Sleeves{5208,3002,3159,3176}

1997/05/19 Torques For Wheel Nuts And Bolts Are Incorrect In The Operation And Maintenance Manual{4201,4202}

1997/05/19 Dimensions For Installing Attachment Tailgate Mounting Hardware On Articulated Truck Dump Bodies{7271,7258}

1997/05/19 Improvements Made To Prevent Alternator Terminal Breakage{1405}

1997/05/19 Cylinder Rod For Suspension Cylinder Groups Has Larger Diameter Bolts For Piston Retention{7201}

1997/05/19 Improved Crankcase Breather Group Is Available{1317}

1997/05/26 New Brake Group Available For Thicker Front Wheel Casting{4006,4251,4201}

1997/05/26 Improved Drum Pad Provides Increased Service Life{6605}

1997/05/26 New Custom Product Support Literature Is Available For 776D Tractors And 769D, 771D,773D, 775D, 777D Off-Highway Trucks Equipped With Power Converter Arrangement{0374,1421}

1997/05/26 New Custom Product Support Literature Is Available For 784B Tractors And 785B Trucks Equipped With Crankcase Guard{0374,7151}

1997/05/26 New Custom Product Support Literature Is Available For 776D Tractors And 777D Trucks Equipped With Rubber Step Group{0374,7254}

1997/05/26 New Custom Product Support Literature Is Available For 784B Tractors And 785B, 789B, And 793C Trucks Equipped With Roller Visor Group{0374,7165}

1997/05/26 Variable Speed Fan Drives{1359}

1997/05/26 New VIMS Message Center Display Available{7601}

1997/05/26 New VIMS-PC Customer Site License And Annual Subscription{7601}

1997/05/26 Safety Manuals For Each Product Line Are Available{0353,0375}

1997/05/26 Correct Orientation For 3E-8827, 9X-6796, 9X-9096, 107-7977, 117-1379, 121-4134, 121-4135, 125-9597, And 132-2156 Alternators During Installation{1405}

1997/06/02 New Custom Product Support Literature Is Available For 773B And 773D Off-Highway Trucks Equipped With Cluster Lubrication System {0374,7540}