Komatsu FG25HT-16 Specifications
The Komatsu FG25HT-16 is a 2.5-ton (2,500 kg / 5,500
lb) LPG/petrol pneumatic-tire forklift designed for medium-to-heavy industrial
applications requiring reliable lifting power, outdoor-grade traction, efficient
fuel consumption, and long service life. As part of Komatsu’s 16 Series, the
FG25HT-16 features a reinforced chassis structure, enhanced operator ergonomics,
improved hydraulic efficiency, low-vibration engine mounting, and a durable mast
assembly capable of continuous multi-shift work.
Two engine configurations were offered: Nissan K25 - a 2.5 L industrial
spark-ignition engine known for strong mid-range torque, excellent reliability,
and long service intervals. GCT GK25 - an electronically-controlled derivative
featuring EFI fuel metering, cleaner emissions, improved throttle response, and
optimized ignition timing.
Both engine options deliver dependable power with low noise and vibration,
making the FG25HT-16 suitable for material-distribution yards, dock facilities,
construction-material warehouses, food-handling plants, and general logistics
depots.
Engine Options:
- Nissan K25
- GCT GK25 (EFI)
Technical Data
Type: inline 4-cyl, 4-stroke SI
Displacement: 2.488-2.498 L
Bore/stroke: 89x100 mm
Rated output: 40-47 kW @ 2400-2600 rpm
Peak torque: 175-205 Nm @ 1600-1900 rpm
Fuel: LPG/petrol
Idle speed: 650-750 rpm
Characteristics: durable, smooth, excellent torque stability.
Lubrication System
Oil capacity: 4.0-5.0 L
Operating pressure: 250-400 kPa
Oil type: SAE 10W-30 / 15W-40
Pump: gear-type
Filter: spin-on
Cooling System
Coolant capacity: 8-10 L
Thermostat: 82°C
Max temperature: 95°C
Fan: mechanical
Pump: centrifugal
Radiator: fin-tube heavy-duty
Pressure: 88-108 kPa
Transmission
Type: torque-converter powershift
Gears: 1-2 forward / 1-2 reverse
Unladen speed: 19-21 km/h
Laden speed: 17-19 km/h
Fluid capacity: 7-9 L
Fluid: Dexron II/III ATF
Cooling: integrated cooler
Front Axle
Heavy cast-steel
Bevel-gear differential
Lubrication: 4-5 L
Oil: SAE 80W-90
Rear Axle
Oscillating center-pivot
Oscillation: ±10-12°
Lubrication: 0.8-1.2 L
Braking System
Hydraulic drum brakes
Parking: mechanical lever
Voltage: 12 V
Battery: 70-100 Ah
Alternator output: 40-80 A
Starter: 1.6-2.2 kW
Indicators: oil, temp, charge, fuel, hour meter, brake
Drive: 2WD (front drive / rear steering)
Frame: welded steel
Counterweight: integrated
Engine mounts: rubber-isolated
Pneumatic Tires (HT)
Front: 7.00-12 or 28x9-15
Rear: 6.00-9
Optional: solid pneumatic, non-marking
Steering
Type: hydrostatic
Pump flow: 7-10 L/min
Turning radius: 2.2-2.4 m
Rear axle: oscillating
Pump: external gear
Flow: 45-60 L/min
Pressure: 17-19 MPa
Tank capacity: 28-35 L
Oil: ISO VG 32/46
Cylinders: dual lift, dual tilt
Valve: mechanical proportional spool
Attachments: sideshift, fork-positioner, rotator, clamps, push-pull
| Service Refill Capacities |
Engine oil: 4-5 L
Coolant: 8-10 L
Transmission: 7-9 L
Drive axle: 4-5 L
Steer axle: 0.8-1.2 L
Hydraulics: 28-35 L
Types: simplex / duplex / triplex
Lift heights: 2.5-6.0 m
Free lift: 70-800 mm
Forks: 42-72 in (Class II/III)
Carriage width: 1000-1100 mm
Capacity: 2500 kg @ 500 mm LC
Deration factors: long forks, high mast, heavy attachments, off-center loads,
slopes
Lift unladen: 0.50-0.65 m/s
Lift laden: 0.30-0.45 m/s
Lowering: 100-150 ft/min
Gradeability unladen: 22-28%
Gradeability laden: 14-20%
Drawbar pull: 11,000-15,000 N
Length to fork face: 2.55-2.70 m
Width: 1.15-1.20 m
OHG height: 2.15-2.25 m
Wheelbase: 1.60-1.70 m
Ground clearance: 135-160 mm
Turning radius: 2.2-2.4 m
Aisle width (1000x1200 pallet): 3.45-3.75 m
Max fork height: 2.5-6.0 m
Free lift: 70-800 mm
Operating: 3450-4050 kg
Counterweight: 1650-2000 kg
Daily: engine oil, coolant, hydraulics, brakes, tires,
forks, chains
250 h: oil/filter, radiator clean, mast lubrication, air filter inspection
500 h: Transmission oil, axle seals, hydraulic strainer
1000 h: hydraulic oil/filters, coolant, hose/wiring inspection
2000 h: drivetrain inspection, alignment, mast structure check
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