Mitsubishi FG45NF Forklift Engine Service Manual (99739-11100)

A Mitsubishi FG45NF is a mid-size LPG counterbalance truck you'll see loading trailers, feeding production lines, or working a yard all day. The people who grab this manual are the ones actually turning wrenches when that truck starts missing, smoking, losing power, or throwing engine-related codes. They want hard data and step-by-step teardown info so they can fix the power unit right the first time and get it back in the rotation.

What this manual helps you do

• Diagnose hard-start, no-start, misfire, and low-power complaints on the FG45NF engine
• Trace fuel, ignition, and basic engine electrical problems using specs and diagrams
• Follow teardown and rebuild procedures for the engine short block and cylinder head
• Check and adjust valve train, timing components, and engine-related settings
• Replace gaskets, seals, and bolt-on engine parts with proper sequences and specs

Who this is for

This is for a warehouse maintenance tech, dealer tech, independent shop, or rental fleet mechanic who needs to go inside the engine on an FG45NF. If you're looking for mast, axle, steering, or hydraulic repair, or just how to drive the truck, this is the wrong book; you'd want the chassis service manual and the operator's handbook instead.

FAQ

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

A: You get 9 PDF files with a real text layer, so they're searchable and you can copy text. The diagrams are in the PDFs and are sized to be readable on screen or printed.

Q: Will this cover my truck's serial number?

A: It's written for FG45NF units in the 111219-up serial range. If your plate falls under that, you're in the right neighborhood.

Q: Is this all I need to service the whole forklift?

A: No. This is the engine service manual only. For mast, transmission, brakes, hydraulics, and the rest of the truck, you'd need the separate chassis service manual.

Bottom line: If your FG45NF problem is engine-related, this is the right manual. If you're chasing mast, axle, or hydraulic issues, this is not what you want.

Models covered by this manual

Mitsubishi publication 99739-11100 is the factory service manual for the FG45NF, serial range 111219-up. The same publication covers 4 further forklift models: FG40NF, FG50CNF, FG50NF, FG55NF. Check the model and serial number on your data plate before ordering.

Table of Contents:

• Foreword
• General Information
• Tune Up
• Mechanical
• Lubrication
• Cooling System
• Control
• Fuel System
• Electrical System

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