Mitsubishi FD50NB Forklift Service Manual (99739-5B110)

This FD50NB is a diesel counterbalanced yard truck, the kind you use for heavy pallets, steel, lumber, or loading flatbeds. The service manual is what you grab when the truck's out of warranty and you actually have to fix something, not just top off fluids. Around my shop, this is the book you open when a truck is down, the customer wants it back yesterday, and you can't afford guesswork on pressures, wiring, or teardown order.

What this manual helps you do

• Diagnose hydraulic issues, check pressures, and trace lift or tilt problems back to valves, pump, or cylinders
• Trace and repair electrical faults using wiring diagrams and connector views, including starting and charging circuits
• Follow step-by-step engine and power train teardown and reassembly for the FD diesel, with specs and adjustment procedures
• Rebuild or replace brake, steering, and axle components, then set clearances and verify everything is within spec
• Troubleshoot fault symptoms using flowcharts and service data so you can confirm the fix before you send the truck out

Who this is for

This is aimed at dealer techs, plant maintenance, independent forklift shops, and rental fleet mechanics working on Mitsubishi FD50NB trucks in the CF28E-50001-79999 range. If you just need to know how to drive or do daily checks, you want the operator's handbook instead.

FAQ

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

A: You get 37 PDF files split by section, with a real text layer, so they're searchable and the diagrams are readable on screen or printed.

Q: How do I know it fits my truck?

A: It's written for FD50NB units with serials from CF28E-50001 to CF28E-79999. If your plate is outside that, it may not match perfectly.

Q: Is this the right document if I'm doing real repairs?

A: Yes, this is the full workshop service manual, not a parts book or basic operator's manual.

Bottom line: If you're repairing or maintaining an FD50NB in that serial range, this is the right manual. If your truck is a different model or class, it isn't.

Models covered by this manual

Mitsubishi publication 99739-5B110 is the factory service manual for the FD50NB, serial range CF28E-50001-79999. The same publication covers 9 further forklift models: FD40NB, FD45NB, FD50CNB, FD55NB, FG40N, FG45N, FG50CN, FG50N, FG55N. Check the model and serial number on your data plate before ordering.

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