This FD40K is a mid-size diesel counterbalance truck you'll see loading flatbeds, stuffing containers, or feeding production lines. The people who reach for this service manual are the ones actually keeping it alive between rentals or shifts: plant maintenance, dealer techs, and independent shops. They use it when a truck is down and needs real troubleshooting, not just a fluid top-off, and when you can't afford a comeback on a unit that's going out tomorrow.
What this manual helps you do
- Diagnose hard-start, no-start, or low-power complaints on the diesel engine and fuel system
- Trace charging, starting, and lighting faults using wiring diagrams and connector views
- Check, adjust, and rebuild power train components like the torque converter and powershift transmission
- Follow procedures to reseal or overhaul hydraulic valves, pumps, and cylinders, then set pressures correctly
- Inspect, adjust, and replace brake, steering, axle, and mast components to factory spec
Who this is for
This manual is for anyone maintaining or repairing a Mitsubishi FD40K diesel forklift, especially if you're handling in-house engine, transmission, axle, or hydraulic work. If you only need basic daily checks or how to drive the truck, you want the operator's handbook instead, not this service manual.
FAQ
Q: What format is it in, and can I search it or read wiring diagrams clearly?
A: It's a multi-file PDF set, scanned page images with no text search. Wiring diagrams and schematics are clear when you zoom in or print.
Q: Will it cover my exact truck?
A: It's written for FD40K units in the F19C-00011-up serial range. If your plate shows FD40K with an F19C serial in that range or higher, you're in the right place.
Q: Is this the right document if I'm planning major repairs?
A: Yes. This is the workshop-level service manual, not a parts book, and it's what you want for teardown, specs, and troubleshooting.
Bottom line: If you're wrenching on an FD40K in the F19C-00011-up range and doing more than oil changes, this is the right manual. If you're after driving or safety info, it isn't.
Models covered by this manual
Mitsubishi publication 99739-16130 is the factory service manual for the FD40K, serial range F19C-00011-up. The same publication covers 7 further forklift models: FD40KL, FD45K, FD50K, FG40K, FG40KL, FG45K, FG50K. Check the model and serial number on your data plate before ordering.
📘 Show Index
Table of Contents:
- S6S Diesel Engine (99709-56110)
- Introduction
- General Information
- Maintenance Standards
- Special Tools
- Overhaul Instructions
- Testing and Adjusting
- Engine Accessory Removal and Installation
- Engine Proper
- Air Inlet and Exhaust Systems
- Lubrication System
- Cooling System
- Fuel System
- Electrical System
- Alternator (Standard)
- Glow Plug Inspection
- Alternator (Option)
- Workshop Theory
- S6S Diesel Engine (99709-56120)
- Foreword
- General Information
- Maintenance Standards
- Special Tools
- Overhaul Instructions
- Adjustment, Bench Test, Performance Tests
- Engine Auxiliaries Removal and Installation
- Engine Main Parts
- Inlet and Exhaust System
- Lubrication System
- Cooling System
- Fuel System
- Electrical System
- Workshop Tips
- 99739-16130
- 00_FOREWORD
- 01_GENERAL INFORMATION
- 02_COOLING SYSTEM
- 03_ELECTRICAL SYSTEM
- 04_POWER TRAIN
- 05_CLUTCHES (FD40K_FD40KL_FD45K)
- 06_MANUAL TRANSMISSION (FD40K_FD40KL_FD45K)
- 07_POWERSHIFT TRANSMISSION
- 08_FRONT AXLE AND REDUCTION DIFFERENTIAL
- 09_REAR AXLE
- 10_BRAKE SYSTEM
- 11_STEERING SYSTEM
- 12_HYDRAULIC SYSTEM
- 13_MAST AND FORKS
- 14_SERVICE DATA
- 15_OPTIONS
- Chassis, Mast & Options (99739-55120)
- Foreword
- General Information
- Cooling System
- Electrical System
- Electrical Schematics
- Power Train
- Powershift Transmission
- Front Axle and Reduction Differential
- Rear Axle
- Brake System
- Steering System
- Hydraulic System
- Masts and Forks
- Service Data
- Options
- Châssis, mât & options (99739-55220)
- PREFACE
- INFORMATIONS GENERALES
- CIRCUIT DE REFROIDISSEMENT
- CIRCUIT ELECTRIQUE
- Plans des Circuits
- GROUPE MOTOPROPULSEUR
- TRANSMISSION AUTOMATIQUE
- ESSIEU AVANT ET DIFFERENTIEL DE DEMULTIPLICATION
- ESSIEU ARRIERE
- SYSTEME DE FREINAGE
- CIRCUIT DE DIRECTION
- CIRCUIT HYDRAULIQUE
- MAT ET FOURCHE
- DONNEES TECHNIQUES
- OPTIONS
- Fahrgestell, Hubgerüst & Optionen (99739-55320)
- Vorwort
- Allgemeine Informationen
- Kühlsystem
- Elektrisches System
- Elektrische Schaltpläne
- Antriebsstrang
- Powershift-Getriebe
- Vorderachse und Differential
- Hinterachse
- Bremssystem
- Lenksystem
- Hydrauliksystem
- Hubgerüst und Gabeln
- Servicedaten
- Optionen
- Contents
- Schematic SEBN0001-01 Michel Cabin
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