Caterpillar GP20K FC Forklift Service and Schematic Manual (99719-60120)

If you're working on a Cat GP20K FC counterbalanced truck, this is the right service manual set for the job. These trucks move pallets across the warehouse floor, loading bays, and yard, and the manual is what you pull out when a second-shift breakdown has to be fixed before the next wave. It gives a shop technician repair procedures, schematics, adjustments, and service data for getting the truck back in operation.

What this manual helps you do

• Trace electrical faults through truck wiring and control circuits.
• Diagnose power train, transmission, brake, steering, and hydraulic problems.
• Follow procedures for mast, forks, axle, and hydraulic component work.
• Adjust and verify truck systems during service and fault finding.
• Rebuild or replace serviceable assemblies using workshop procedures and specifications.

Who this is for

This suits warehouse maintenance techs, plant maintenance teams, dealer technicians, independent forklift shops, and rental fleet mechanics. It is a workshop repair manual for the Cat GP20K FC trade, with the operator handbook and companion engine or chassis publications available where that job calls for them.

FAQ

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

A: You receive two separate Cat publications in 16 PDF files, split by section, with 384 pages total. The set is supplied as the truck manual collection, rather than one loose booklet.

Q: Does it fit my truck's serial range?

A: Yes, for GP20K FC trucks in the listed ranges ET13D-65001-up, ET14C-65001-up, ET31A-60001-up, ET16B-65001-up, ET31A-85001-up, and ET16B-85001-up. That gives you a direct model and serial match.

Q: How does it fit the repair work I am doing?

A: Use it for in-house fault finding, scheduled repairs, component replacement, and breakdown work on the truck. It puts the service procedures and schematics together so you can get the lift truck back before the aisle or charger bay backs up.

For a GP20K FC in those serial ranges, this is a yes. It gives your shop the workshop reference needed to diagnose, repair, and return the truck to service.

Models covered by this manual

Caterpillar publication 99719-60120 is the factory service and schematic manual for the GP20K FC. The same publication covers 10 further forklift models: DP15K FC, DP18K FC, DP20K FC, DP30K FC, DP35K FC, GP15K FC, GP18K FC, GP25K FC, GP30K FC, GP35K FC. 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.

Table of Contents:

• 99719-60120 – Chassis & Mast Service Manual
  • Foreword
  • General Information
  • Cooling System
  • Electrical System
  • Power Train
  • Powershift Transmission
  • Front Axle and Reduction Differential
  • Rear Axle
  • Brake System
  • Steering System
  • Hydraulic System
  • Mast and Fork
  • Service Data
  • Options

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