Caterpillar GP18ND Forklift Engine Service Manual (99789-87100)

Yes, for engine work on a Cat GP18ND, this is the right manual. The truck is a counterbalanced LPG or gasoline lift truck used to move pallets and materials around a warehouse, plant, or yard. Warehouse maintenance technicians and forklift shops use this book when they need to test, adjust, service, or rebuild the engine by the book, with procedures that stand up to an audit. This is the engine book of the set.

What this manual helps you do

• Check engine specifications, operating systems, service intervals, and fault symptoms.
• Follow testing and adjusting procedures for engine operation and related systems.
• Diagnose engine faults, alarm codes, and starting or running problems.
• Rebuild engine assemblies with disassembly, inspection, torque, and clearance information.
• Verify correct assembly and replace service components using the stated procedures.

Who this is for

This suits warehouse maintenance technicians, dealer technicians, independent forklift repair shops, plant maintenance teams, and rental fleet mechanics. The trade is forklift engine service, and the companion chassis manual, also available, handles the truck chassis, mast, hydraulics, wiring, and related lift-truck systems.

FAQ

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

A: You receive 8 PDF files split by section, with 210 pages total. The files support printing and on-screen zoom, and the real text layer lets you search the manual and copy text.

Q: Does it fit my GP18ND?

A: Yes. GP18ND falls within the GP15N-GP35N model range shown for this publication, alongside the listed K15, K21, K25, and GPE15N-GPE35N applications.

Q: How does this fit the repair job I am doing?

A: Use it for the engine end of the truck, from system operation and testing through teardown and assembly. It gives a shop technician the service data needed to carry out engine repairs with the correct procedure.

For a GP18ND engine repair, testing, adjustment, or rebuild, this is the manual to have at the bench.

Models covered by this manual

Caterpillar publication 99789-87100 is the factory engine service manual for the GP18ND. The same publication covers 17 further forklift models: GP15ND, GP15NM, GP15NT, 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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