Target Audience:
Forklift technicians, mechanics, service departments, and fleet managers
Value Proposition:
Provides essential, detailed technical information for efficient and accurate maintenance and repair, reducing downtime and operational costs.
Comprehensive Coverage:
Covers all major systems and components of the Mitsubishi FD25 forklift.
Diagnostic Tools:
Includes flowcharts and diagnostic trees for systematic problem-solving.
Illustrative Content:
Features diagrams, illustrations, and exploded views to aid understanding.
Systems Covered:
Engine, Powertrain, Hydraulics, Electrical System, Chassis, Steering, Brakes, Cooling System, Fuel System, Mast Assembly, Operator Compartment
Manual Type:
Service and Repair Manual
Engine Service:
Detailed overhaul procedures, diagnostics, component testing for gasoline/LPG and diesel engines (specific models may vary).
Transmission Service:
Automatic transmission diagnostics, repair, and adjustment procedures, including torque converter and hydraulic controls.
Hydraulic System:
Troubleshooting, repair, and adjustment of lift, tilt, and side-shift functions, including pump, valve body, cylinder, and hose service.
Electrical System:
Wiring diagrams, component identification, troubleshooting for lighting, starting, charging, and instrumentation systems.
Chassis And Steering:
Front and rear axle service, steering system components, linkage adjustments, and wheel bearing maintenance.
Brake System:
Drum or disc brake service, parking brake adjustment, and hydraulic brake system components.
Mast And Attachments:
Inspection, lubrication, and repair of mast channels, rollers, chains, and fork carriage.
General Maintenance:
Scheduled maintenance, lubrication points, filter replacement, and general inspections.
Troubleshooting Guides:
Systematic diagnostic procedures for common faults and performance issues.
Component Replacement:
Detailed step-by-step instructions for replacing major components.
Adjustment Procedures:
Calibration and adjustment of critical systems like brakes, steering, and hydraulics.
Overhaul Instructions:
Complete rebuild procedures for engines, transmissions, and hydraulic pumps.
Depth Of Coverage:
Comprehensive, covering routine maintenance to major component overhauls and advanced diagnostics.
Diagnostic Capabilities:
Detailed fault code interpretation and systematic troubleshooting steps.
Specifications And Tolerances:
Precise technical specifications, clearances, and torque values for all components.
Engine Type Options:
Gasoline/LPG (e.g., Mitsubishi 4G33, 4G52, or similar) and Diesel (e.g., Mitsubishi S4S, S4Q2, or similar) - Specific engine dependent on variant.
Typical Horsepower Range:
45-60 HP (Approximate, varies by specific engine and fuel type)
Typical Torque Range:
80-110 lb-ft (Approximate, varies by specific engine and fuel type)
Fuel Delivery Gasoline Lpg:
Carburetor or Fuel Injection (depending on model year and specification)
Fuel Delivery Diesel:
Direct Injection with Mechanical or Electronic Fuel Injection Pump
Cooling Type:
Water-cooled, pressurized system with radiator and fan
Oil Type:
API CG-4 or equivalent for Diesel, API SG or equivalent for Gasoline/LPG (refer to manual for specific grades)
Oil Capacity:
Approx. 4.5-6.0 Liters (Varies by engine)
Transmission Type:
Torque Converter Automatic Transmission (TCAT)
Optional Transmission:
Manual Transmission (Less common for this model)
Transmission Control:
Hydraulically operated, single-stage torque converter
Transmission Fluid Type:
Dexron III or equivalent automatic transmission fluid (ATF)
Transmission Fluid Capacity:
Approx. 10-12 Liters (Varies by specific transmission)
Lift Capacity:
2500 kg (5500 lbs) at 500mm load center
Mast Height Lowered:
Approx. 2000-2300 mm (Varies by mast type - Standard 2-stage, 3-stage)
Mast Height Raised:
Approx. 4000-5000 mm (Varies by mast type)
Overall Length Less Forks:
Approx. 2300-2500 mm
Overall Width:
Approx. 1100-1200 mm
Operating Weight:
Approx. 4000-4500 kg (Varies by engine and configuration)
Fork Length:
Typically 1070 mm or 1220 mm
Operator Interface:
Basic analog gauges for engine temperature, fuel level, oil pressure; indicator lights for various system statuses. Simple manual control levers for lift, tilt, and auxiliary functions.
Operator Safety Features:
Operator presence system (OPS) to prevent hydraulic functions when operator is not seated, seatbelt, overhead guard, safety chains on mast.
Telematics Capability:
Not typically equipped with advanced telematics from the factory. Aftermarket solutions may exist.
Daily Checks:
Fluid levels (engine oil, transmission oil, hydraulic oil, coolant, brake fluid), tire condition, hydraulic hose integrity, lift mechanism, safety devices.
Engine Oil Change:
Every 250-500 operating hours or 6 months (whichever comes first, consult manual for specific engine).
Transmission Fluid Change:
Every 1000-1500 operating hours or 12 months (whichever comes first).
Hydraulic Fluid Change:
Every 1000-2000 operating hours or 12 months (whichever comes first).
Air Filter Replacement:
As needed based on operating environment, typically every 250-500 hours.
Fuel Filter Replacement:
Every 500-1000 operating hours (Diesel) or as per gasoline engine recommendations.
Engine Oil Viscosity:
10W-30, 15W-40 (Consult manual for specific engine requirements and ambient temperature ratings).
Hydraulic Fluid Type:
ISO VG 46 or equivalent hydraulic fluid (Consult manual for specific Mitsubishi recommendations).
Coolant Type:
Ethylene glycol based antifreeze with corrosion inhibitors. 50/50 mix with distilled water.
Common Wear Items:
Mast rollers, fork carriage bearings, lift chains, hydraulic cylinder seals, brake pads/shoes, tires.
Potential Hydraulic Leaks:
Wear in hoses, fittings, cylinder seals, and pump seals can lead to performance loss and leaks.
Engine Performance Degradation:
Can be due to clogged fuel filters, worn injectors, or timing issues, particularly in older diesel models.
Transmission Slipping:
Often caused by low fluid level, worn clutch packs, or issues with the hydraulic control valve.
Filter Part Numbers Example:
Oil filter (e.g., 37C01-00100), Fuel filter (e.g., 37C01-00300) - *Part numbers are illustrative and vary by engine and serial number. Manual will provide specific numbers.*
Manufacturer Legacy:
Mitsubishi Heavy Industries (MHI) has a long history in industrial equipment manufacturing, including a strong presence in the forklift market with a reputation for reliability and durability.
Fd Series Development:
The FD series represents Mitsubishi's line of internal combustion engine (ICE) forklifts, known for their robust construction and versatility in various material handling applications. The FD25 is a popular mid-range model within this series.
Typical Production Years:
Late 1980s to early 2000s (specific model years covered by manual will vary, but this general timeframe is common for FD25 variants).
Manufacturing Origin:
Primarily manufactured in Japan, with potential assembly in other regions.
