Mitsubishi FD150N Forklift Service Manual (99799-53100)

A Mitsubishi FD150N is a big diesel counterbalance truck, the kind that lives outside on the yard or on heavy production work. The service manual is what you grab when the truck is down on a Friday afternoon and you've got one weekend to get it back in the rotation. Around my shop that means chasing hydraulic problems, engine issues, or a weird electrical fault nobody remembers how to fix.

What this manual helps you do

• Diagnose hydraulic issues, check pressures with a gauge, and trace leaks or weak lift/tilt on the FD150N.
• Follow teardown and reassembly steps on the diesel engine, power train, and powershift transmission when you're doing hard repairs.
• Trace wiring in the electrical system, read fault codes, and verify sensor and switch operation with a meter.
• Adjust brakes, steering, and mast components so the truck runs straight, stops correctly, and the mast stages smoothly.
• Troubleshoot "no start" or "no drive" complaints using step-by-step checks and the service data for this exact model.

Who this is for

This is aimed at warehouse or plant maintenance, dealer techs, independent shops, and rental fleet mechanics who actually turn wrenches on an FD150N. If you just need operating instructions or daily checklists, you want the operator's handbook, not this manual.

FAQ

Q: What format is it in, and can I search it and read wiring diagrams?

A: You get 27 PDF files, split by section. They have a real text layer, so you can search, copy text, and zoom wiring and hydraulic schematics.

Q: How do I know it matches my exact FD150N?

A: It is written for the FD150N family. For edge-case variants or very early/late trucks, match the book number 99799-53100 against your data plate or dealer info.

Q: Is this the right document if I'm planning an engine or hydraulic rebuild?

A: Yes, this is the workshop-level service manual, the one you use for teardown, specs, and adjustment procedures.

Bottom line: If you're maintaining or repairing a Mitsubishi FD150N, this is the right service manual. If you're an operator or just ordering parts, it's more than you need.

Models covered by this manual

Mitsubishi publication 99799-53100 is the factory service manual for the FD150N. The same publication covers 5 further forklift models: FD120N, FD135N, FD150AN, FD160AN, FD160N. Check the model and serial number on your data plate before ordering.

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