Caterpillar GP35NT Forklift Engine Service Manual (99789-87100)

The Cat GP35NT is a counterbalanced lift truck used to move pallets and materials around a warehouse, plant, or rental yard. When a truck is due out tomorrow, mechanics reach for this manual to service the engine, confirm adjustments, and repair faults without guessing. This is the engine book of the set, covering specifications, systems operation, testing and adjusting, disassembly and assembly, torque values, and clearances.

What this manual helps you do

• Check engine specifications, service data, and scheduled maintenance requirements.
• Trace fuel, cooling, lubrication, and electrical system operation.
• Follow testing and adjusting procedures for engine-related faults.
• Rebuild engine assemblies with disassembly, inspection, and assembly guidance.
• Verify torque values, clearances, and adjustment settings during repair.

Who this is for

This suits warehouse maintenance technicians, rental fleet mechanics, plant maintenance staff, dealer technicians, and independent forklift repair shops. The companion chassis manual, also available, covers the truck systems, mast, hydraulics, power train, steering, and brakes.

FAQ

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

A: You receive 8 PDF files split by section, totaling 210 pages. The set has a real text layer, so you can search and copy text, as well as print pages or view them with zoom.

Q: Which trucks does it fit?

A: The publication covers K15, K21, K25, GP15N through GP35N, and GPE15N through GPE35N models, including the GP35NT model named here. That gives you the engine reference for this Cat model family.

Q: How does it fit the job I'm doing?

A: Use it for engine servicing, fault diagnosis, adjustment work, and teardown or rebuild jobs on a shop truck. It gives a mechanic the service data needed to put the machine back on the floor with fewer surprises.

With this manual, you can handle the engine side of GP35NT maintenance, repair, and scheduled service from one workshop reference.

Models covered by this manual

Caterpillar publication 99789-87100 is the factory engine service manual for the GP35NT. The same publication covers 17 further forklift models: GP15ND, GP15NM, GP15NT, GP18ND, GP18NM, GP18NT, GP20CND, GP20CNT, GP20ND, GP20NM, GP20NT, GP25ND and 5 more. The cover also lists K15,, K21,, K25, K15, K21, GP15N-GP35N,, GPE15N-GPE35N. Check the model and serial number on your data plate before ordering.

Table of Contents:

• 99789-87100
  • How To Use This Manual
  • Engine Maintenance
  • Precautions
  • Lubrication System
  • Engine Outside Drawings
  • Adjustment Value

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