This manual covers Komatsu 14 Series Forklift Trucks, including models FD 20-14, FD 25-14, FD 30-14, FD 20J-14, FD 25J-14, FD 30J-14, FD 20H-14, FD 25H-14, FD 30H-14, FG 20-14, FG 25-14, FG 30-14, FG 20H-14, FG 25H-14, and FG 30H-14, with serial numbers 550001 and up. Komatsu is renowned for its reliable and durable industrial equipment, and the 14 Series represents a generation of forklifts built for demanding work environments. These machines are engineered for robust performance, featuring internal combustion engines designed for high torque at lower RPMs, suitable for lifting and load movement. Their capacity ranges from 2000 kg to 3000 kg, making them versatile for various industrial applications.
This comprehensive parts catalog is designed to assist owners, technicians, and parts departments in maintaining and repairing these Komatsu forklift trucks. It provides detailed engine component and parts identification through exploded views, complete with part numbers essential for accurate ordering and procurement. The manual covers a wide array of engine systems, including the cylinder block, head, pistons, crankshaft, lubrication, cooling, fuel, and ignition systems, as well as engine accessories like alternators and water pumps. It also offers visual guidance for assembly and disassembly, ensuring correct component placement. While not a diagnostic manual, its clarity in parts identification is crucial for efficient maintenance and repair, preventing costly errors and ensuring the correct fitment for a broad range of engine variants.
Product Type:
Forklift Truck Engine Parts Manual
Model Designators:
FD 20-14, FD 25-14, FD 30-14, FD 20J-14, FD 25J-14, FD 30J-14, FD 20H-14, FD 25H-14, FD 30H-14, FG 20-14, FG 25-14, FG 30-14, FG 20H-14, FG 25H-14, FG 30H-14
Serial Number Coverage:
550001 and Up
Purpose:
Essential reference for Komatsu forklift owners, technicians, and parts departments responsible for maintaining and repairing the specified models. Aids in accurate parts procurement and assembly.
Value Proposition:
Provides critical part number accuracy, preventing costly errors in ordering and ensuring the correct fitment for a wide range of Komatsu forklift engine variants. The visual exploded views are a significant aid for mechanics.
Feature Highlight:
Comprehensive coverage of all engine-related parts with detailed illustrations and part numbers, catering to the specified FD and FG 14-series models with serial numbers from 550001 onwards.
Scope:
Engine Components and Parts Identification
Estimated Pages:
Varies by specific engine model and transmission, but typically 200-400 pages for comprehensive coverage of engine parts.
Type:
Parts Catalog / Parts Manual
Engine Assembly:
Cylinder block, cylinder head, pistons, connecting rods, crankshaft, camshaft, valves, timing system, lubrication system, cooling system, fuel system (carburetor or injection), ignition system (spark plugs, coils, distributor if applicable), exhaust system components, intake system components.
Engine Accessories:
Alternator, starter motor, water pump, oil pump, fuel pump, filters (oil, fuel, air), belts, pulleys, hoses, engine mounts.
Transmission Components:
If integrated with engine diagrams (e.g., bell housing, torque converter housing, input/output shafts if serviced as a unit with engine).
Part Identification:
Identification of every part through exploded views, with corresponding part numbers for ordering.
Assembly Disassembly Reference:
Visual guidance for stripping down and rebuilding engine components by showing the correct placement of each part.
Depth:
Comprehensive parts identification for maintenance, repair, and overhaul. Does not typically include diagnostic procedures or detailed repair instructions, but is essential for identifying the correct replacement parts.
File Type:
Printed Booklet
Quality:
High-quality paper and printing for clear visibility of exploded diagrams and part numbers.
Binding:
Stapled or perfect bound for durability in workshop environments.
Paper:
Durable, matte finish paper to reduce glare and withstand workshop conditions.
Engine Type:
Internal Combustion (Gasoline/LPG, Diesel, or specialized industrial engines common in forklifts).
Engine Displacement Range:
Typically 1.8L to 3.0L, depending on the specific engine installed in the FD/FG 20/25/30-14 models. Common engines might include Nissan, Mitsubishi, or Isuzu industrial engines.
Horsepower Range:
Approximate range of 40-60 HP, designed for robust low-end torque suitable for forklift applications.
Torque Characteristics:
Optimized for high torque output at lower RPMs to handle lifting and load movement efficiently.
Fuel Type:
Gasoline/LPG (for FG models), Diesel (for FD models), or specific industrial fuel types depending on market and engine option.
Carburetion Injection:
May feature carburetors (especially for older LPG/Gasoline models) or electronic fuel injection (EFI) for better efficiency and emissions control.
Cooling Type:
Liquid-cooled, utilizing a radiator, fan, water pump, and thermostat.
Oil Type Recommendation:
Refer to specific model service manual; typically SAE 10W-30 or 15W-40 heavy-duty diesel or gasoline engine oil, but consult manual for precise specifications.
Transmission Type:
Automatic (Torque Converter type) transmission is standard for most Komatsu forklifts of this era and capacity.
Optional Transmissions:
Less common for this series, but manual transmissions were sometimes available on smaller capacity forklifts.
Transmission Fluid Spec:
Typically uses Automatic Transmission Fluid (ATF) such as Dexron II/III or equivalent, but manual verification is essential.
Lift Capacity:
Capacity ranges from 2000 kg (4500 lbs) to 3000 kg (6600 lbs) for the 20, 25, and 30 models respectively.
Mast Height Options:
Various mast configurations available (e.g., Duplex, Triplex) impacting overall height and lowered height.
Operating Weight:
Varies based on configuration, typically in the range of 3500-4500 kg (7700-9900 lbs).
Forklift Designation:
Industrial Truck Safety Standards compliance (e.g., ANSI B56.1 in North America, equivalent ISO standards internationally).
Operator Controls:
Ergonomic controls for lift, tilt, side-shift, and steering. Presence of safety interlocks (e.g., seat-actuated start/stop).
Overhead Guard:
Standard feature to protect the operator from falling loads.
Seatbelt:
Often equipped for operator safety during operation.
Infotainment System:
Not applicable. Forklifts are primarily functional equipment; infotainment systems are not a feature.
Operator Feedback:
Dash-mounted indicators for engine temperature, oil pressure, battery charge, and fuel level. Some models may have hour meters for maintenance tracking.
Telematics Options:
Optional on some newer models for fleet management and maintenance tracking, but unlikely to be standard on this '14' series. This manual focuses on mechanical parts.
Engine Oil Change:
Typically every 250-500 operating hours, depending on operating conditions and oil type. Refer to the specific service manual for exact intervals.
Air Filter Replacement:
Recommended inspection every 250 hours, replacement as needed or annually. More frequent replacement in dusty environments.
Fuel Filter Replacement:
Typically every 500-1000 operating hours, or as recommended by the engine manufacturer. Crucial for preventing fuel system issues.
Engine Coolant Type:
Ethylene Glycol based antifreeze/coolant mixture (e.g., 50/50 mix) with rust inhibitors. Consult manual for specific recommendations.
Hydraulic Fluid Spec:
ISO VG 32 or VG 46 hydraulic oil, or specific Komatsu fluid. Crucial for lift and tilt functions.
Common Wear Items:
Spark plugs, ignition coils, fuel injectors/carburetor jets, fuel filters, air filters, oil filters, water pumps, drive belts, and hydraulic filters are common wear items requiring periodic replacement.
Engine Overheating Causes:
Low coolant level, faulty thermostat, clogged radiator, or malfunctioning water pump. Regular coolant system checks are vital.
Performance Degradation:
Can be caused by clogged fuel filters, worn spark plugs, or incorrect valve lash (if applicable). Parts manual is key to identifying these components.
Komatsu Industrial History:
Komatsu is a globally recognized manufacturer of construction and industrial equipment, with a long history of producing reliable and durable machinery, including forklifts.
14 Series Context:
The '14' series represents a generation of Komatsu forklifts that likely incorporated incremental improvements in engine technology, ergonomics, and operational efficiency over earlier models.
Manufacturing Location:
Komatsu forklifts are manufactured in various plants globally, including Japan, the United States, and other regions, depending on the specific model and market.
Industry Awards:
Komatsu forklifts are generally recognized for their reliability and durability in industrial applications. Specific awards for this '14' series are not commonly publicized.
Reliability Reputation:
Komatsu has a strong reputation for building robust and long-lasting industrial equipment, including forklifts, which are designed for demanding work environments.
Manufacturing Standards:
Manufactured to meet international quality and safety standards relevant to industrial machinery.
