Caterpillar DP40 Forklift Service Manual (99739-84100)

This Cat truck is a counterbalanced forklift for moving pallets and loads around a plant, warehouse, or yard. A plant maintenance tech or forklift mechanic reaches for this manual when the truck needs in-house repair during a short maintenance window. It gives the shop procedures and service data for tracing faults, making adjustments, and rebuilding truck systems.

What this manual helps you do

• Trace electrical faults through the truck wiring and controls.
• Diagnose power train, transmission, axle, brake, steering, and hydraulic problems.
• Follow procedures for servicing the mast, forks, lift circuits, and related components.
• Rebuild or adjust truck assemblies using workshop repair instructions and service data.
• Check the engine end of the truck with the matching engine publication included in the set.

Who this is for

This suits a warehouse maintenance tech, plant maintenance lead, dealer technician, independent forklift repair shop, or rental fleet mechanic. It fits the industrial forklift repair trade; the operator handbook and parts catalog are companion volumes also available.

FAQ

Q: What do I receive, and how is it organized?

A: You receive four Cat publications as 36 PDF files, totaling 712 pages, split by section. The files can be viewed or printed by section, giving you the chassis, engine, and related material as one working set.

Q: Which trucks does it cover?

A: The manual set covers GP40, GPL40, DP40, DPL40, DP45, and DP50 trucks. That includes the gasoline/LPG and diesel versions named on the manual cover.

Q: Is this suited to a repair job in my plant?

A: Yes, if you're servicing one of those models. It is a workshop service manual for fault diagnosis, component repair, adjustments, and truck-system work, rather than an operator handbook.

Yes, this is the service-manual set to use for repair work on the listed Cat forklift models. It gives your shop one organized reference for the truck and its matching engine material.

Models covered by this manual

Caterpillar publication 99739-84100 is the factory service manual for the DP40. The same publication covers 4 further forklift models: DP50, DPL40, GP40, GPL40. The cover also lists DP45. Check the model and serial number on your data plate before ordering.

Table of Contents:

The following is a general outline of the sections covered in a Cat service manual of this type. Actual chapter numbering and section names may vary by model.

• Foreword
• General Information
• Cooling System
• Electrical System
• Controllers
• Power Train
• Powershift Transmission
• Front Axle and Reduction Differential
• Rear Axle
• Brake System
• Steering System
• Hydraulic System
• Mast and Forks
• Troubleshooting
• Service Data

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