1997/12/08 Caterpillar

New Tow Hitch Available{7111,5133,7116,7555,7562}

Usage:

TH62 (4TM1-Up) Telehandlers

The 123-6237 Tow Hitch Assembly has been replaced with the 137-7350 Hydraulic Hitch Assembly. The 137-7350 Hydraulic Hitch Assembly can be identified by the 141-2790 Transit Pin, this was not part of the 123-6237 Tow Hitch Assembly. The 137-7350 Hydraulic Tow Hitch can be used on all machines dating back to first production. All parts for the hydraulic tow hitch are serviceable.

There have been two different hydraulic cylinders used in the 137-7350 Hydraulic Tow Hitch. The two cylinders are: 141-3095 Hydraulic Cylinder and 141-8493 Hydraulic Cylinder Group. Both are serviced by 141-9765 Seal Kit.

The seals in the 123-6237 Tow Hitch Assembly are now serviced with the 141-9765 Seal Kit. If the original cylinder needs replacement, it should be replaced with the 141-8493 Hydraulic Cylinder Group. The seals used to repair the 141-8493 Hydraulic Cylinder Group are the 141-9765 Seal Kit.

Illustration 1.

The above chart lists the parts for the 137-7350 Hydraulic Tow Hitch. Illustration 1 shows the locations of these parts.

NOTE: Items (9), (10), and (11) are not shown in the illustration.

Illustration 2.

Illustration 3.

Illustration 2 shows the 123-6237 Tow Hitch Assembly. Illustration 3 is the 137-7350 Hydraulic Hitch Assembly with the 141-2790 Transit Pin (1).

Caterpillar Information System:

1997/12/08 New Maintenance Of Wear Pads Improves Service Life{6460}

1997/12/08 An Improved Seal Package Now Available For Tailgate Cylinders{5107,7271}

1997/12/08 New Foot Actuator Switch For Differential Lock Improves Reliability{3270,1435,3258,3264}

1997/12/08 Wiggins Fast Fill Connectors For 793C Off-Highway Trucks{7513}

1997/12/08 New Brake Oil Temperature Sender Used In Some Non VIMS Off-Highway Trucks For Improved Accuracy{7489}

1997/12/08 New U-Cup Seal In Front And Rear Suspension Cylinder Groups Increases Service Life{7201}

1997/12/08 Steering Accumulator Charging Valve Rotated To Improve Serviceability{4304,4300,4307,4331,4332}

1997/12/08 New Custom Product Support Literature Is Available For 789B Trucks Equipped With 1Q-5845 Heated Brake Actuation Lines Group{0374,4257}

1997/12/08 New Custom Product Support Literature Is Available For 785B Trucks Equipped With Oil Cooler Lines Group{0374,1365}

1997/12/08 New Custom Product Support Literature Is Available For 773B And 775B Trucks Equipped With 3Z-6185 Fuel Heater Group{0374,1296}

1997/12/08 New Custom Product Support Literature Is Available For 773B And 775B Trucks Equipped With 3Z-6363 Fuel Heater Group{0374,1296}

1997/12/08 Front Frame Counterweight Weld Procedure{7051,7055,7056}

1997/12/08 Improved Latch Pin For Telehandler All Weather Cab{7308}

1997/12/08 New Hose Clamp For The Air Inlet Hose Has Improved Durability{1071}

1997/12/08 New Torque Converters Have Improved Output Shaft Bearings{3101,3135,3130}

1997/12/08 Serviceable Transmission Control Switches And New Improved Retention Bolts Are Available For The 123-7406 And 132-3110 Steering Wheel Groups{3171}

1997/12/08 New Metering Pump Group Improves Steering Control{4312}

1997/12/08 Updated Clipping Method Improves Durability Of Fan Motor Inlet Tube Assemblies{5057}

1997/12/08 Lubricant Available For Use On Door Latches{7308}

1997/12/15 Proper Tensioning Of Alternator V-Belt {1807,1800,1357}

1997/12/15 Improved Rear Suspension Cylinder Seal Package Now Available {7201,7213}

1997/12/15 Beaded Wiper Seals For Rear Suspension Cylinders Increase Service Life {7201,7213}

1997/12/15 Revised Testing & Adjusting Manual, SENR6719-01, 938G Wheel Loader And IT38G Integrated Toolcarrier Traction Control System, Now Available {0374}

1997/12/15 Caterpillar Extended Life Coolant (ELC) Is The Standard Factory Fill For The Engine Cooling System On Machines Built At The Sagami, Japan Factory {1395}