Toyota 8FD50N Specifications
The Toyota 8FD50N is a heavy-duty, pneumatic-tire
diesel forklift engineered for demanding industrial environments requiring
high-capacity lifting, rugged durability, and long-term operational reliability.
With a nominal load capacity of 5,000 kg (11,023 lb), the 8FD50N is widely used
in ports, steel and timber yards, industrial manufacturing facilities, heavy
freight terminals, and construction supply operations.
It belongs to Toyota’s advanced 8-Series diesel
lineup—recognized for exceptional engineering quality, high torque
output, reinforced structural strength, and advanced safety technologies
such as Toyota’s System of Active Stability (SAS).
Operators value the 8FD50N for its smooth and powerful acceleration,
excellent mast visibility, ergonomic operator controls, comfortable
seating, low vibration levels, and highly responsive hydraulic
performance. Maintenance personnel appreciate Toyota’s reputation for
reliability, simplified servicing access, durable drivetrain components,
long service intervals, and excellent parts support. Designed for
continuous heavy-duty applications, this model maintains strong lifting
performance at full height and delivers consistent operational
efficiency with minimal downtime.
The Toyota 8FD50N is commonly equipped with a Toyota
1KD or 1FS diesel industrial engine depending on production year and market.
Engine Characteristics (Standard 1KD-FTV
Diesel):
- Engine type: 4-cylinder, 4-stroke, turbocharged diesel
- Displacement: approx. 3.0 L
- Rated output: approx. 70-85 kW (94-114 hp)
- Peak torque: approx. 260-310 lb-ft (353-420 Nm)
- Idle speed: approx. 700-750 rpm
- Governed maximum: approx. 2,400 rpm
- Fuel type: ultra-low sulfur diesel (ULSD)
- Emissions: Tier 3 / Tier 4i depending on region
- Fuel system: electronically controlled high-pressure common rail
Engine Characteristics (Alternate 1FS
Diesel):
- Displacement: approx. 2.7-3.0 L
- Rated output: approx. 60-70 kW (80-94 hp)
- Torque: approx. 230-280 lb-ft (312-380 Nm)
Lubrication System:
- Lubrication type: full-pressure wet sump
- Oil capacity: approx. 8-10 L (8.4-10.5 qt)
- Oil pressure: 25-35 psi (172-241 kPa) at idle
- Recommended oil: SAE 15W-40 (diesel rated)
- Oil filter: full-flow spin-on cartridge
Cooling System:
- Coolant capacity: approx. 12-15 L (12.7-15.8 qt)
- Thermostat opening: approx. 82°C (180°F)
- Cooling system pressure: approx. 13-15 psi (90-103 kPa)
- Fan: engine-driven mechanical or hydraulic
- Water pump: belt-driven centrifugal
- Radiator: heavy-duty multi-row industrial core.
The 8FD50N uses a heavy-duty industrial powershift
transmission engineered for large-capacity duty cycles.
Transmission:
- Transmission type: 1-speed or 2-speed powershift
- Forward travel speed (unladen): approx. 18-20 km/h (11-12 mph)
- Reverse travel speed: approx. 16-18 km/h (10-11 mph)
- Fluid capacity: approx. 10-12 L (10.5-12.7 qt)
- Recommended fluid: ATF Dexron III or approved industrial ATF
- Direction shift: hydraulic clutch packs with electronic control
Drive Axle:
- Axle type: cast-steel differential with planetary reduction hubs
- Lubrication capacity: approx. 7-9 L (7.4-9.5 qt)
- Lubricant type: SAE 80W-90 or 85W-140 depending on climate
- Differential type: bevel gear
Braking System:
- Service brakes: hydraulic wet-disc brakes (oil-immersed)
- Parking brake: mechanical lever or spring-applied hydraulic release
- Wet-disc design offers long service life and reduced maintenance needs.
- System voltage: 12 V
- Battery capacity: approx. 80-100 Ah
- Alternator output: approx. 60-90 A
- Starter motor: approx. 2.5-3.5 kW
- Engine management: ECU-controlled injection and emissions
- Safety systems: Toyota SAS sensors (speed, tilt, steering).
Drive
Configuration:
- Drive wheels: front
- Steering wheels: rear
- Drive type: 2-wheel drive (2WD)
Tire Specifications (Pneumatic):
- Front tires: approx. 300-15 or 28x12-15
- Rear tires: approx. 7.00-12
Optional Tires:
- Solid pneumatic tires for debris-heavy environments
- Non-marking variants for indoor use
Chassis Features:
- Heavy-duty welded steel frame
- Reinforced mast channels
- Protected hydraulic/electrical routing
- Low center of gravity for stability
Steering:
- Steering type: hydrostatic power steering
- Steering pump flow: approx. 10-15 L/min (2.6-4.0 gpm)
- Steering axle: oscillating center-pivot
- Turning radius: approx. 2.8-3.1 m (110-122 in)
- Steering response: light and precise with minimal operator fatigue.
- Maximum hydraulic pressure: approx. 2,300-2,500 psi
(159-172 bar)
- Hydraulic pump: engine-driven gear pump
- Pump flow: approx. 50-70 L/min (13-18 gpm)
- Hydraulic reservoir capacity: approx. 40-50 L (42-53 qt)
- Hydraulic fluid: ISO VG 32 or ISO VG 46
- Lift cylinders: high-strength double-acting
- Tilt cylinders: dual hydraulic cylinders with pressure relief.
| Service Refill Capacities |
- Engine oil: 8-10 L (8.4-10.5 qt)
- Cooling system: 12-15 L (12.7-15.8 qt)
- Transmission fluid: 10-12 L (10.5-12.7 qt)
- Drive axle oil: 7-9 L (7.4-9.5 qt)
- Hydraulic oil: 40-50 L (42-53 qt)
Mast Types:
- Duplex (2-stage)
- Triplex (3-stage full free-lift)
- High-visibility mast options
Mast Lift Heights:
- Duplex: approx. 3.0-4.0 m (118-157 in)
- Triplex: approx. 4.5-6.0 m (177-236 in)
Free-Lift: 1.0-1.4 m (39-55 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: 125-150 mm (5-6 in)
- Fork thickness: 45-60 mm (1.75-2.4 in).
Rated capacity: 5,000 kg (11,023 lb) at a 600 mm (24
in) load center
De-rating occurs due to:
- Increased load height
- Longer forks
- Attachments such as clamps
- Off-center loads.
- Lift speed (unladen): approx. 0.45-0.55 m/s (90-110
ft/min)
- Lift speed (laden): approx. 0.30-0.40 m/s (60-80 ft/min)
- Lowering speed (unladen): approx. 110-140 ft/min
- Lowering speed (laden): approx. 130-160 ft/min
- Gradeability (unladen): approx. 25-30%
- Gradeability (laden): approx. 15-20%
- Drawbar pull: approx. 20,000-30,000 N (4,500-6,740 lbf).
- Overall length to fork face: approx. 3.0-3.2 m
(118-126 in)
- Overall width: approx. 1.45-1.55 m (57-61 in)
- Overhead guard height: approx. 2.3-2.4 m (90-95 in)
- Wheelbase: approx. 1.9-2.0 m (75-79 in)
- Ground clearance: approx. 150-200 mm (5.9-7.9 in)
- Turning radius: approx. 2.8-3.1 m (110-122 in)
- Aisle width (pallet 1000x1200): approx. 4.6-5.0 m (181-197 in)
- Maximum fork height: 3.0-6.0 m depending on mast
- Free lift: 1.0-1.4 m
- Fork lengths: 42-72 in standard
- Operating weight: approx. 7,000-8,500 kg (15,432-18,739 lb)
- Counterweight mass: approx. 2,000-2,700 kg (4,409-5,952 lb)
250-Hour
Maintenance:
- Change engine oil and filter
- Lubricate steering and mast components
- Clean radiator fins
- Check battery and terminals
500-Hour Maintenance:
- Replace transmission filter
- Check hydraulic filter
- Inspect driveline components
- Examine axle seals
1,000-Hour Maintenance:
- Replace transmission fluid
- Replace axle oil
- Inspect cylinder seals and hoses
2,000-Hour Maintenance:
- Replace hydraulic oil
- Replace coolant
- Full mast inspection.
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