How to Read This Manual

This service manual is a guide to servicing of Caterpillar ® lift trucks.The instructions are grouped by system.

The long, productive life of lift trucks depends upon correct servicing as described in this service manual.Carefully read the respective sections of this manual.Know all the components before attempting to test, repair or rebuild a part or system.

This manual’s descriptions, illustrations and specifications are for trucks with these model numbers:Caterpillar GP40 and GPL40, GP45, GP50;GC35K-GC70K.Mitsubishi Caterpillar Forklift Inc.(MCFA) reserves the right to change specifications or design without notice and without incurring obligation.

Whenever a question arises regarding this engine, or this manual, consult your Caterpillar lift truck dealer for the latest available information. For items petaining to the chasis, refer to the following manuals: GC35K-70K – 99739-80100 GP40-50 – 99739-87100

Notes,Cautions,and Warnings NOTES, CAUTIONS, and WARNINGS are used in this manual to emphasize important and critical instructions.They are used for the following conditions: To highlight an essential operating procedure or condition. Operating procedures or practices that will result in damage to or destruction of the engine if not strictly observed. Operating procedures or practices that will result in serious injury or loss of life if not correctly followed. NO TEC AU TIO N!W A!