Toyota 50-8FGU25 Specifications
The Toyota 50-8FGU25 is one of the most widely used
internal-combustion forklifts in Toyota’s 8-Series lineup, engineered for
dependable mid-capacity material handling in industrial, warehousing, and
logistics environments.
With a nominal lifting capacity of 2,500
kilograms (5,500 pounds), the 50-8FGU25 combines excellent
maneuverability, strong lift performance, and low operating costs. It is
commonly deployed in distribution centers, manufacturing plants, freight
terminals, food-processing facilities, small construction supply depots,
metal fabrication shops, and general warehouse environments.
The 50-8FGU25 is typically powered by Toyota’s proven 4Y or 1FS
gasoline/LPG industrial engines, known for their smooth running
characteristics, fuel efficiency, and low emissions. Toyota’s System of
Active Stability (SAS) enhances operator confidence by monitoring load
stability, mast angle, and steering geometry in real time. Pneumatic
tires allow the forklift to operate on indoor factory floors as well as
outdoor yard surfaces while maintaining traction and load stability.
Operators appreciate the intuitive control
layout, enhanced visibility through the mast, spacious operator
compartment, and predictable handling behavior. Maintenance personnel
value the simple engine layout, easy-access service panels, ruggedized
drivetrain components, and long service intervals.
The Toyota 50-8FGU25 is generally equipped with the
Toyota 4Y-EC or 1FS gasoline/LPG industrial engine depending on regional
configuration and emissions classification. These engines are specifically
engineered for forklift duty cycles, providing high torque at low rpm, stable
combustion, and long mechanical life under continuous operation.
Engine Characteristics (Toyota 4Y-EC):
- Type: inline 4-cylinder, OHV gasoline/LPG engine
- Displacement: approx. 2.2 L
- Bore/stroke: approx. 87x83 mm (3.43x3.27 in)
- Rated output: approx. 40-50 kW (54-67 hp)
- Peak torque: approx. 140-160 Nm (103-118 lb-ft) at 2,000-2,400 rpm
- Idle speed: approx. 650-750 rpm
- Max governed speed: approx. 2,400-2,600 rpm
- Fuel type: LPG or unleaded gasoline depending on configuration
Engine Characteristics (Toyota 1FS):
- Type: inline 4-cylinder, 4-stroke industrial gasoline engine
- Displacement: approx. 2.7 L
- Rated output: approx. 55-60 kW (74-80 hp)
- Peak torque: approx. 180-200 Nm (133-148 lb-ft)
- Fuel system: electronic fuel injection (gasoline)
Engine Construction:
- Block: cast iron for rigidity and longevity
- Head: cast iron or aluminum depending on variant
- Crankshaft: forged steel, supported by 5 main bearings
- Pistons: aluminum alloy with reinforced crowns
- Valvetrain: pushrod OHV or overhead cam depending on engine family
Lubrication System:
- Type: full-pressure wet-sump
- Oil pump: crankshaft-driven gear-type
- Oil capacity: approx. 3.5-5.0 L (3.7-5.3 qt) depending on engine
- Oil pressure: approx. 250-400 kPa (36-58 psi) at operating speed
- Recommended oil: SAE 10W-30 or 15W-40
- Filter: full-flow spin-on cartridge
Cooling System:
- Cooling method: liquid-cooled
- Coolant capacity: approx. 6-7 L (6.3-7.4 qt)
- Water pump: belt-driven centrifugal pump
- Thermostat opening: approx. 82°C (180°F)
- Radiator: industrial-grade heavy-core design
- System pressure: approx. 13 psi (90 kPa).
The 50-8FGU25 uses a torque-converter powershift
transmission engineered for high-frequency forward-reverse cycles.
Transmission:
- Type: 1-speed or 2-speed industrial powershift
- Forward travel speed (unladen): approx. 17-19 km/h (10.5-12 mph)
- Reverse travel speed: approx. 15-17 km/h (9-10.5 mph)
- Transmission fluid capacity: approx. 5-7 L (5.3-7.4 qt)
- Recommended fluid: Dexron III or Toyota-approved ATF
- Direction shift: hydraulic clutch packs controlled via column lever
Drive Axle:
- Construction: heavy-duty cast-steel differential housing
- Reduction: planetary reduction hubs
- Axle oil capacity: approx. 4-5 L (4.2-5.3 qt)
- Lubricant: SAE 80W-90 gear oil
Braking System:
- Service brakes: hydraulic drum brakes (early models) or wet-disc brakes
(later)
- Parking brake: mechanical lever or foot-operated parking brake
- Brake actuation: master cylinder with optional vacuum assist.
- System voltage: 12 V
- Battery capacity: approx. 55-70 Ah
- Alternator output: approx. 40-60 A
- Starter motor rating: approx. 1.4-2.0 kW
- Wiring: heat-resistant industrial harness
- Safety systems: operator-presence sensor, seat switch, neutral start, SAS
sensors.
Drive
Configuration:
- Front-wheel drive
- Rear-wheel steering
- 2WD layout with optimized traction for indoor/outdoor surfaces
Tire Specifications (Pneumatic):
- Front tires: approx. 7.00-12 or equivalent
- Rear tires: approx. 6.00-9
Optional Tires:
- Solid pneumatic tires
- Non-marking tires for indoor environments
Chassis Construction:
- Fully welded heavy-steel frame
- Reinforced mast mounting plates
- Low center of gravity for stability
- Protected hydraulic and electrical routing
Steering:
- Steering type: hydrostatic power steering
- Pump flow: approx. 8-12 L/min (2.1-3.2 gpm)
- Steering axle: oscillating rear axle on center pivot
- Turning radius: approx. 2.0-2.2 m (79-87 in)
- Steering feel: precise, low-effort, responsive.
- Maximum hydraulic pressure: approx. 2,000-2,200 psi
(138-152 bar)
- Pump type: engine-driven gear pump
- Pump flow: approx. 28-40 L/min (7.4-10.6 gpm)
- Hydraulic reservoir capacity: approx. 20-25 L (21-26 qt)
- Fluid grade: ISO VG 32 or ISO VG 46
- Cylinders: double-acting lift and tilt cylinders.
| Service Refill Capacities |
- Engine oil: 3.5-5.0 L (3.7-5.3 qt)
- Coolant: 6-7 L (6.3-7.4 qt)
- Transmission fluid: 5-7 L (5.3-7.4 qt)
- Drive axle oil: 4-5 L (4.2-5.3 qt)
- Hydraulic oil: 20-25 L (21-26 qt)
Mast Types:
- Duplex (2-stage)
- Triplex (3-stage full free-lift)
Lift Heights:
- Duplex: approx. 3.0-4.0 m (118-157 in)
- Triplex: approx. 4.5-5.5 m (177-216 in)
Free-Lift: Approx. 0.2-1.0 m (8-39 in)
Fork Specifications:
- Standard length: 1,067-1,219 mm (42-48 in)
- Optional lengths: 1,524 mm (60 in)
- Fork width: approx. 100-125 mm (4-5 in)
- Thickness: approx. 35-45 mm (1.4-1.8 in).
- Nominal rated capacity: 2,500 kg (5,500 lb) at 600 mm
(24 in) load center
De-rating factors include:
- Increased lift height
- Attachments (clamps, rotators, sideshifters)
- Long forks
- Off-center loading.
- Lift speed (unladen): approx. 0.40-0.50 m/s (80-100
ft/min)
- Lift speed (laden): approx. 0.25-0.30 m/s (50-60 ft/min)
- Lowering speed (unladen): approx. 90-120 ft/min
- Lowering speed (laden): approx. 110-140 ft/min
- Travel speed (unladen): approx. 17-19 km/h (10.5-12 mph)
- Travel speed (laden): approx. 12-14 km/h (7-9 mph)
- Gradeability (unladen): approx. 20-25%
- Gradeability (laden): approx. 12-15%
- Drawbar pull: approx. 12,000-18,000 N (2,700-4,050 lbf)
- Overall length to fork face: approx. 2.6-2.8 m
(102-110 in)
- Overall width: approx. 1.15-1.25 m (45-49 in)
- Overhead guard height: approx. 2.1-2.2 m (83-87 in)
- Wheelbase: approx. 1.6-1.7 m (63-67 in)
- Ground clearance: approx. 110-130 mm (4.3-5.1 in)
- Turning radius: approx. 2.0-2.2 m (79-87 in)
- Aisle width (pallet 1000x1200): approx. 3.7-4.0 m (146-157 in)
- Maximum fork height: 3.0-5.5 m depending on mast
- Free lift: 0.2-1.0 m
- Fork lengths: 42-60 in
- Operating weight: approx. 3,800-4,400 kg (8,377-9,700 lb)
- Counterweight mass: approx. 1,000-1,400 kg (2,205-3,086 lb)
250-Hour Service:
- Engine oil and filter replacement
- Lubricate mast and steering pivots
- Clean air filter
- Clean radiator fins
500-Hour Service:
- Replace fuel filter
- Inspect driveline joints
- Check brake linings or wet-disc assembly
- Inspect axle seals
1,000-Hour Service:
- Replace transmission fluid
- Replace drive axle oil
- Inspect hydraulic cylinders and hoses
- Check chain stretch and mast alignment
2,000-Hour Service:
- Replace hydraulic oil
- Replace engine coolant
- Test SAS sensor functionality
- Conduct full mast structural inspection.
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