Caterpillar GP25K MC Forklift Service and Schematic Manual (99719-61120)

A Cat GP25K MC is a counterbalanced gasoline/LPG lift truck used to move pallets and materials around a plant, warehouse, or yard. A plant maintenance tech, dealer technician, or independent forklift shop reaches for this manual when the truck needs diagnosis, adjustment, repair, or scheduled service. It gives you workshop information for getting the truck back into safe working condition during a limited repair window.

What this manual helps you do

• Trace electrical circuits and connector faults using the wiring schematics.
• Diagnose power train, transmission, brake, steering, and hydraulic problems.
• Follow procedures for servicing the mast, forks, axles, and hydraulic components.
• Adjust and verify truck systems using the listed service data.
• Rebuild or replace engine and truck assemblies with the included repair information.

Who this is for

This suits warehouse maintenance techs, plant maintenance teams, dealer technicians, rental fleet mechanics, and independent forklift repair shops working on the GP25K MC. It is a workshop service manual, while the operator handbook is the companion volume also available for daily operation and safety guidance.

FAQ

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

A: You receive 16 PDF files totaling 349 pages, split by section. The download bundles two Cat publications, including the truck service material and matching engine information.

Q: Which GP25K MC trucks does it cover?

A: It covers serial groups ET13D-55001-up, ET14C-55001-up, ET31A-50001-up, ET16B-55001-up, ET31A-75001-up, and ET16B-75001-up. Match your truck's serial information to these ranges before starting work.

Q: How does it fit the repair job?

A: It is for workshop diagnosis, schematics, adjustments, component service, and engine-related repairs on the GP25K MC. In my experience, having the chassis and engine publications together saves time when a fault crosses system boundaries.

If your truck is a GP25K MC in the listed serial coverage, yes, this is the service set to use for in-house repairs and maintenance decisions.

Models covered by this manual

Caterpillar publication 99719-61120 is the factory service and schematic manual for the GP25K MC. The same publication covers 9 further forklift models: DP15K MC, DP18K MC, DP20K MC, DP30K MC, GP15K MC, GP18K MC, GP20K MC, GP30K MC, GP35K MC. The cover also lists GP35K, DP35K, GP15K, DP15K, GP18K, DP18K, GP20K, DP20K, GP25K, DP25K, GP30K, DP30K, GP15K,, GP18K,, GP20K,, GP25K,. Check the model and serial number on your data plate before ordering.

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