The Satoh Bison S650G is a 2WD compact utility tractor manufactured by Satoh in Japan from 1973 to 1983.
The Satoh Bison S650G is equipped with one of two engines: a 1.0 L (60.2 cu·in) four-cylinder gasoline engine or a 1.2 L (71.3 cu·in) four-cylinder gasoline engine and unsynchronized gear transmission with dry disc clutch and 6 forward and 2 reverse gears.
The Satoh Bison S650G used a mechanical steering, differential mechanical internal expanding shoe brakes, open operator station with two-post ROPS, and 36.0 liters (9.5 US gal.; 7.9 Imp. gal) fuel tank.
The tractor could be equipped with the following engines:
- Mazda PB100. It is a 1.0 L, 987 cm2, (60.2 cu·in) four-cylinder natural aspirated gasoline engine with 68.0 mm (2.68 in) of the cylinder bore and 68.0 mm (2.68 in) of the piston stroke. The compression ratio rating is 8.6:1. This engine produced 25.3 PS (18.6 kW; 25.0 HP) at 2,800 rpm of output power and 46.9 N·m (4.8 kg·m, 34.6 ft·lb) at 2,200 rpm of torque.
- Mazda TA/TB. It is a 1.2 L, 1,169 cm2, (71.3 cu·in) four-cylinder natural aspirated gasoline engine. The cylinder bore is 70.0 mm (2.76 in) and the piston stroke is 76.0 mm (2.99 in). The compression ratio rating is 8.6:1. This engine produced 27.3 PS (20.1 kW; 27.0 HP) at 2,800 rpm of output power and 46.9 N·m (4.8 kg·m, 34.6 ft·lb) at 2,200 rpm of torque.
Satoh Bison S650G Specifications
| General Specifications | |
| Model | Satoh Bison S650G |
| Length | 2,410 mm (94.9 in) |
| Width | 1,345 mm (53 in) |
| Height | 1,390 mm (54.7 in) |
| Wheel base | 1,530 mm (60.2 in) |
| Weight | 955 kg (2,105 lbs) |
| Fuel tank capacity | 36.0 liters (9.5 US gal.; 7.9 Imp. gal) |
| Battery | 12V, 40Ah |
| Cabin type | Open operator station with two-post ROPS |
| Engine | |
| Engine model | Mazda PB100 |
| Engine type | Four-stroke, liquid-cooled, inline |
| Cylinders | 4 |
| Fuel type | Gasoline |
| Displacement | 1.0 L, 987 cm2, (60.2 cu·in) |
| Bore and stroke | 68.0 mm X 68.0 mm (2.68 in X 2.68 in) |
| Compression ratio | 8.6:1 |
| Horsepower | 25.3 PS (18.6 kW; 25.0 HP) at 2,800 rpm |
| Torque | 46.9 N·m (4.8 kg·m, 34.6 ft·lb) at 2,200 rpm |
| Starter | Electric |
| Oil capacity: | 3.0 L (3.2 US. qt, 2.6 Imp. qt.) |
| Coolant capacity: | 7.0 L (7.4 US. qt, 6.2 Imp. qt.) |
| Engine | |
| Engine model | Mazda TA/TB |
| Engine type | Four-stroke, liquid-cooled, inline |
| Cylinders | 4 |
| Fuel type | Gasoline |
| Displacement | 1.2 L, 1,169 cm2, (71.3 cu·in) |
| Bore and stroke | 70.0 mm X 76.0 mm (2.76 in X 2.99 in) |
| Compression ratio | 8.6:1 |
| Horsepower | 27.3 PS (20.1 kW; 27.0 HP) at 2,800 rpm |
| Torque | 46.9 N·m (4.8 kg·m, 34.6 ft·lb) at 2,200 rpm |
| Starter | Electric |
| Transmission and chassis | |
| Chassis | 4×2 2WD |
| Steering type | Mechanical |
| Brakes | Differential mechanical internal expanding shoe |
| Transmission model | – |
| Transmission type | Unsynchronized gear with dry disc clutch |
| Gears | 6 forward and 2 reverse |
| Speed | Forward: 18.7 kmh (11.6 mph) Reverse: 7.7 (4.8 mph) |
| Transmission oil capacity | 17.0 L (4.5 US. gal, 3.7 Imp. gal.) |
| Tires | |
| Front tires | Ag: 5.00-15 |
| Rear tires | Ag: 11.2-24 |
| Three-Point Hitch | |
| Caterogy | I |
| Control type | – |
| Lift capacity (at ends) | – |
| PTO (Power take-off shaft) | |
| Rear PTO type | – |
| Rear PTO speed | 540/1,000 rpm |
| Hydraulic system | |
| Hydraulic type | – |
| Pump flow | 4.1 gpm (15.5 lpm) |
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