Caterpillar GP18 MC Forklift Service Manual (99719-34130)

A Cat GP18 MC is a counterbalanced truck for moving pallets from receiving to storage, loading bays, and staging areas. When one is pulled from the aisle during second shift, the service manual is for the warehouse maintenance tech, dealer technician, or shop mechanic doing the repair. It helps get the truck diagnosed, repaired, adjusted, and back before the next wave.

What this manual helps you do

• Trace electrical faults through wiring and starting circuits.
• Check and adjust brakes, steering, hydraulics, mast, and forks.
• Diagnose power-train, transmission, and drive-unit problems.
• Follow removal, repair, and reassembly procedures for workshop work.
• Verify service data while troubleshooting a truck that is down.

Who this is for

This suits plant maintenance teams, independent forklift repair shops, dealer technicians, and rental fleet mechanics working on Cat counterbalanced trucks. It is a workshop service manual, with the operator handbook available as a companion volume for daily-use instructions.

FAQ

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

A: You receive a two-publication Cat set delivered as 30 PDF files, split by section, with 144 pages total. The files carry a real text layer, so you can search and copy text, as well as print or zoom the pages for shop use.

Q: Will it fit my truck variant?

A: Yes, for the GP18 MC and the listed GP family models, including GP15-35, GP15K-35K, and related GP variants covered by publication 99719-34130. The model reference is the key match for this manual.

Q: How does it fit the repair job?

A: This is the book to reach for when you need workshop procedures, wiring information, adjustments, fault tracing, and service data rather than driving instructions. It gives a mechanic a practical reference for taking a truck apart, repairing it, and putting it back into service.

For a GP18 MC, this set gives you the workshop reference needed to diagnose faults and get the truck moving pallets again.

Models covered by this manual

Caterpillar publication 99719-34130 is the factory service manual for the GP18 MC. The same publication covers 11 further forklift models: GP15, GP15 MC, GP18, GP20, GP20 MC, GP25, GP25 MC, GP30, GP30 MC, GP35, GP35 MC. The cover also lists 4G15, 4G63, 4G64, 6G72, GP15-35,, GP15K-35K,, GP40,, GPL40,, GC15-30,, GC15K-30K,, GC35K-70K. Check the model and serial number on your data plate before ordering.

Table of Contents:

• Screw
• Secondary cover
• Screw
• Secondary seat lever
• Fulcrum pin
• Spring
• Converter body
• Primary valve seat
• Cover plate
• Spring
• Primary cover
• Screw
• Solenoid valves (electromagnetic valves)
• Switching from [LP-gas] to [gasoline]
• Switching from [gasoline] to [LP-gas]

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