Satoh

Satoh Bison S670

The Satoh Bison S670 is a compact utility tractor produced from 1980 to 1984 by Satoh. It features a Mitsubishi 1.3L 4-cylinder liquid-cooled diesel engine producing 30 hp (22.4 kW) with a PTO power of 25 hp (18.6 kW). The tractor offers an 8-speed gear transmission with 2 reverse gears and a dry disc clutch. It is available in two- or four-wheel drive configurations with manual steering and optional power steering. The tractor has drum brakes and an open operator station. Fuel capacity is 10.6 gallons (40.1 L) with a hydraulic system capacity of 1.25 gallons (4.7 L). The rear hitch is type I with position and draft control and a rear lift capacity of 2050 lbs (929 kg). The rear PTO is live with 540/1000 RPM options. Dimensions vary between 2WD and 4WD models, with wheelbases of 60.6 inches (153 cm) and 75.4 inches (191 cm) respectively, and weights ranging from 2313 to 2675 pounds. Tire options include agricultural and lawn/turf types for both 2WD and 4WD models. Electrical system is 12 volts with a 70 AH battery and negative ground.
Power-
Founded-
ModelS670

Technical Specifications

Detailed specifications and technical data for Satoh Bison S670

Power
Engine power30 hp (22.4 kW)
PTO (claimed)25 hp (18.6 kW)
Tires
Lawn/turf rear13.6-16
2WD Lawn/turf front20x8.00-10
4WD Lawn/turf front6-14
2WD Standard tires (ag)Front: 5.00-15. Rear: 7-16
4WD Standard tires (ag)Front: 7-16. Rear: 12.4-24
Engine
Typediesel
Power30 hp (22.4 kW)
Coolingliquid-cooled
Cylinders4-cylinder
Rated RPM2700
Air cleanerdry
Displacement79.6 ci (1.3 L)
ManufacturerMitsubishi
Oil capacity6.5 qts (6.2 L)
Starter volts12
Coolant capacity6.3 qts (6.0 L)
Compression ratio23:1
Capacity
Fuel10.6 gal (40.1 L)
Steering0.9 qts (0.9 L)
Hydraulic system1.25 gal (4.7 L)
Dimensions
Width59.4 inches (150 cm)
Height77.6 inches (197 cm)
2WD Length106.5 inches (270 cm)
2WD Weight2313 lbs (1049 kg)
4WD Length116.9 inches (296 cm)
4WD Weight2675 lbs (1213 kg)
Rear tread45.5 to 58.9 inches (115 to 149 cm)
2WD Wheelbase60.6 inches (153 cm)
4WD Wheelbase75.4 inches (191 cm)
2WD Front tread40.9 to 52.8 inches (103 to 134 cm)
4WD Front tread47.2 inches (119 cm)
Ground clearance11.2 inches (28 cm)
Electrical
Groundnegative
Battery AH70
Battery volts12
Hydraulics
Capacity1.25 gal (4.7 L)
Pump flow5.15 gpm (19.5 lpm)
Steering flow3.43 gpm (13.0 lpm)
Steering capacity0.9 qts (0.9 L)
Mechanical
DriveTwo- or four-wheel drive
BrakesDrum brakes
Steeringmanual (power Optional)
Operator stationOpen operator station
Production
CategoryCompact Utility tractor
ManufacturerSatoh
Years produced1980 - 1984
Transmission
Typegear
Gears8 forward and 2 reverse
Clutchdry disc
2WD Oil capacity21.1 qts (20.0 L)
4WD Oil capacity22.2 qts (21.0 L)
Tractor hitch
Controlposition and draft control
Rear TypeI
Rear lift (at ends)2050 lbs (929 kg)
Power Take-off (PTO)
Rear PTOlive
Rear PTO Type540/1000 (1.375)