Toyota 8FG45U Specifications
The Toyota 8FG45U is a high-capacity internal
combustion forklift engineered for heavy industrial operations requiring
reliable performance, strong lifting capability, and high durability. As part of
Toyota’s 8-Series lineup, the 8FG45U is designed for medium-to-heavy duty
applications in manufacturing plants, logistics terminals, steel and lumber
yards, construction supply warehouses, and multi-shift material handling
operations. With a nominal lifting capacity of 4,500 kilograms (9,921 pounds),
the 8FG45U offers excellent handling stability, responsive acceleration,
predictable steering, and smooth hydraulic control.
Operators value the forklift’s comfort-oriented cab layout, large footwell,
ergonomic levers, and excellent forward visibility. Maintenance personnel
appreciate the wide-opening engine hood, straight-forward drivetrain access,
high-durability bearings, and ruggedized hydraulic components.
Built to operate reliably in challenging
conditions—including dusty yards, uneven terrain, and extended operating
hours—the Toyota 8FG45U delivers consistent uptime, reduced service
interruptions, and long equipment lifespan.
The Toyota 8FG45U is powered by Toyota’s industrial
gasoline or LPG engines, such as the 1FS or 1FZ family, depending on emissions
requirements and regional configuration. These engines emphasize fuel
efficiency, smooth torque production, low vibration levels, and long-term
operating stability.
Engine Type (1FS / 1FZ Industrial Engine):
- Configuration: 4-cylinder or 6-cylinder, 4-stroke spark-ignition engine
- Displacement: approx. 2.7-3.0 L (1FS) or 4.0-4.5 L (1FZ)
- Rated output: approx. 65-80 kW (87-107 hp)
- Peak torque: approx. 180-240 lb-ft (240-325 Nm)
- Fuel system: electronic fuel injection (gasoline) or LPG vapor injection
- Idle speed: approx. 650-750 rpm
- Maximum governed speed: approx. 2,400 rpm
- Emissions: Tier 2 / Tier 3 depending on version
Fuel System:
- LPG configuration: IMPCO-type regulator, vaporizer, and mixer
- Gasoline configuration: EFI with multi-point injection
- Fuel filtration: primary and fine filters to ensure system cleanliness
Lubrication System:
- Type: full-pressure wet-sump lubrication
- Oil pump: crankshaft-driven gear pump
- Oil capacity: approx. 5.5-7.5 L (5.8-7.9 qt)
- Oil pressure: approx. 250-450 kPa (36-65 psi) at rated rpm
- Recommended oil: SAE 10W-30 or 15W-40
- Filter: spin-on cartridge
Cooling System:
- Type: liquid-cooled with belt-driven centrifugal water pump
- Coolant capacity: approx. 8-10 L (8.4-10.5 qt)
- Thermostat opening: approx. 82°C (180°F)
- Radiator: industrial-grade, wide-core, high-capacity
- System pressure: approx. 13-15 psi (90-103 kPa).
The 8FG45U uses a heavy-duty torque-converter
powershift transmission built for demanding industrial environments.
Transmission:
- Transmission type: 1- or 2-speed powershift
- Forward speed (unladen): approx. 18-20 km/h (11-12 mph)
- Reverse speed: approx. 16-18 km/h (10-11 mph)
- Transmission fluid capacity: approx. 8-10 L (8.4-10.5 qt)
- Recommended fluid: Dexron III or industrial ATF
Drive Axle:
- Structure: cast-steel axle housing
- Reduction system: planetary gear reduction hubs
- Axle oil capacity: approx. 6-8 L (6.3-8.4 qt)
- Lubricant: SAE 80W-90 or 85W-140
Brake System:
- Service brakes: hydraulic wet-disc brakes
- Parking brake: lever-actuated mechanical brake
- Wet-disc brakes offer long service intervals and stable braking.
- System voltage: 12 V
- Battery capacity: approx. 70-90 Ah
- Alternator output: approx. 50-80 A
- Starter power: approx. 2.0-3.0 kW
- Safety electronics: SAS sensors for tilt detection, speed monitoring, and
steering angle
- Lighting: standard headlights, rear lamps, and optional mast-mounted lights.
Drive
Configuration:
- Drive wheels: front
- Steering wheels: rear
- Drive type: 2WD
Tire Specifications (Pneumatic):
- Front tires: approx. 28x12-16
- Rear tires: approx. 7.00-12
Optional Tire Choices:
- Solid pneumatic for debris-heavy yards
- Non-marking indoor variants
Chassis Construction:
- Heavy-duty welded steel structure
- Reinforced channels at mast base connection
- Low center of gravity enhances stability
- Fully protected hydraulic lines and electrical harnesses
Steering:
- Type: hydrostatic power steering
- Steering pump flow: approx. 10-15 L/min (2.6-4.0 gpm)
- Steering axle: oscillating design with high-strength pivot
- Turning radius: approx. 2.8-3.0 m (110-118 in)
- Steering characteristics: smooth, light-effort, responsive.
- Maximum hydraulic pressure: approx. 2,200-2,400 psi
(152-165 bar)
- Pump type: engine-driven gear pump
- Pump flow: approx. 50-65 L/min (13-17 gpm)
- Hydraulic reservoir capacity: approx. 35-45 L (37-47 qt)
- Fluid grade: ISO VG 32 or ISO VG 46 hydraulic oil
- Hydraulic circuits: lift, tilt, auxiliary attachment circuits
- Lift cylinders: dual industrial-grade double-acting cylinders.
| Service Refill Capacities |
- Engine oil: 5.5-7.5 L (5.8-7.9 qt)
- Coolant: 8-10 L (8.4-10.5 qt)
- Transmission fluid: 8-10 L (8.4-10.5 qt)
- Drive axle oil: 6-8 L (6.3-8.4 qt)
- Hydraulic oil: 35-45 L (37-47 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. 4.5-6.0 m (177-236 in)
Free-Lift: Approx. 0.9-1.1 m (35-43 in)
Fork Specifications:
- Standard fork length: 1,067-1,219 mm (42-48 in)
- Optional lengths: 1,524-1,829 mm (60-72 in)
- Fork width: approx. 125-150 mm (5-6 in)
- Fork thickness: approx. 40-50 mm (1.6-2.0 in)
- Rated capacity: 4,500 kg (9,921 lb) at 600 mm (24 in)
load center
Capacity de-rates with:
- Higher mast heights
- Long forks
- Attachment use
- Off-center loading.
- Lift speed (unladen): approx. 0.45-0.50 m/s (90-100
ft/min)
- Lift speed (laden): approx. 0.25-0.35 m/s (50-70 ft/min)
- Lowering speed (unladen): approx. 100-130 ft/min
- Lowering speed (laden): approx. 120-150 ft/min
- Travel speed (unladen): approx. 18-20 km/h (11-12 mph)
- Travel speed (laden): approx. 14-16 km/h (9-10 mph)
- Gradeability (unladen): approx. 25-28%
- Gradeability (laden): approx. 15-18%
- Drawbar pull: approx. 18,000-25,000 N (4,050-5,620 lbf)
- Overall length to fork face: approx. 3.0-3.2 m
(118-126 in)
- Overall width: approx. 1.5-1.6 m (59-63 in)
- Overhead guard height: approx. 2.2-2.3 m (87-91 in)
- Wheelbase: approx. 1.9-2.0 m (75-79 in)
- Ground clearance: approx. 150-180 mm (5.9-7.1 in)
- Turning radius: approx. 2.8-3.0 m (110-118 in)
- Aisle width (pallet 1000x1200): approx. 4.4-4.8 m (173-189 in)
- Maximum fork height: 3.0-6.0 m
- Free lift: approx. 0.9-1.1 m
- Fork lengths: 42-72 in available
- Operating weight: approx. 6,000-7,000 kg (13,228-15,432 lb)
- Counterweight mass: approx. 1,500-2,000 kg (3,307-4,409 lb)
250-Hour Interval:
- Replace engine oil and filter
- Lubricate mast, steering joints, and linkages
- Clean or replace air filter
- Clean radiator fins
500-Hour Interval:
- Check transmission fluid
- Replace fuel filter if required
- Inspect driveline and axle seals
1,000-Hour Interval:
- Replace transmission fluid
- Replace drive axle oil
- Inspect hydraulic cylinders and hoses
- Check lift chain stretch
2,000-Hour Interval:
- Replace hydraulic oil
- Replace coolant
- Conduct full mast structural inspection
- Test SAS sensors and calibrate if required.
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