Caterpillar GP15ND Forklift Engine Service Manual (99789-87100)

This Cat GP15ND is a gasoline/LPG counterbalanced truck used for pallets, loading, and general yard work. When one comes in with an engine fault or scheduled service due, the shop needs more than an operator handbook. This is the engine book of the set, with specifications, system operation, testing and adjusting, disassembly and assembly, torque values, and clearances.

What this manual helps you do

• Trace engine symptoms through testing and adjustment procedures.
• Check specifications, service limits, torque values, and clearances.
• Follow removal, disassembly, inspection, and assembly procedures.
• Diagnose fuel, cooling, lubrication, starting, and charging system faults.
• Rebuild engine assemblies with the correct workshop sequence.

Who this is for

This suits a rental fleet mechanic, warehouse maintenance tech, plant maintenance team, dealer technician, or independent forklift repair shop. The companion chassis manual, also available, covers the truck systems, mast, hydraulics, power train, and related chassis work.

FAQ

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

A: You receive 8 PDF files split by section, totaling 210 pages. The files carry a real text layer, so you can search and copy text, while the pages are arranged for screen zoom and printing.

Q: Which trucks and engine variants does it fit?

A: The manual is identified for GP15ND and covers K15, K21, and K25 engines, along with GP15N-GP35N and GPE15N-GPE35N models. That gives you the relevant family coverage for this Caterpillar truck range.

Q: Does it fit the job I'm doing?

A: Yes, if the job is engine service, fault diagnosis, adjustment, or rebuilding. It gives a working mechanic the service data and repair sequence needed to get the truck ready for its next hour-meter interval or customer dispatch.

For engine work on a GP15ND and related listed models, this is the workshop manual to keep beside the machine.

Models covered by this manual

Caterpillar publication 99789-87100 is the factory engine service manual for the GP15ND. The same publication covers 17 further forklift models: GP15NM, GP15NT, GP18ND, GP18NM, GP18NT, GP20CND, GP20CNT, GP20ND, GP20NM, GP20NT, GP25ND, GP25NT 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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