Satoh
Satoh ST-4000
The Satoh ST-4000 is a utility tractor produced from 1977 to 1980 by Satoh. It features a Mitsubishi 2.1L 4-cylinder diesel engine producing 39.5 hp (29.5 kW) with a 9-speed gear transmission. The tractor has a two-wheel drive with an open operator station and uses JIS1 rear hitch with position and draft control. It has a 12.2 gallon (46.2 L) fuel tank and weighs 3351 lbs (1520 kg). The PTO is rated at 35.5 hp (26.5 kW) with multiple engine RPM settings. Tires are 6.00-16 front and 12.4/11-28 rear. Variants include the ST4000 2WD and ST4040 4WD models.
Power39 hp
Founded1977 - 1980
ModelST-4000
Technical Specifications
Detailed specifications and technical data for Satoh ST-4000
Power
| Engine | 39.5 hp (29.5 kW) |
|---|---|
| PTO (claimed) | 35.5 hp (26.5 kW) |
Tires
| Ag rear | 12.4/11-28 |
|---|---|
| Ag front | 6.00-16 |
Engine
| Type | diesel, 4-cylinder, liquid-cooled |
|---|---|
| Model | Mitsubishi 4DQ5 |
| Power | 39.5 hp (29.5 kW) |
| Torque | 92 lb-ft (124.8 Nm) |
| Starter | electric |
| Fuel tank | 12.2 gal (46.2 L) |
| Rated RPM | 2400 |
| Torque RPM | 1600 |
| Bore/Stroke | 3.31x3.70 inches (84 x 94 mm) |
| Displacement | 127.2 ci (2.1 L) |
| Oil capacity | 5.3 qts (5.0 L) |
| Starter volts | 12 |
| Coolant capacity | 8.5 qts (8.0 L) |
Variants
| ST4000 | 2WD |
|---|---|
| ST4040 | 4WD |
Dimensions
| Width | 60.6 inches (153 cm) |
|---|---|
| Length | 131.5 inches (334 cm) |
| Weight | 3351 lbs (1520 kg) |
| Wheelbase | 74.2 inches (188 cm) |
| Rear tread | 48 to 71.5 inches (121 to 181 cm) |
| Front tread | 47.4 to 66.5 inches (120 to 168 cm) |
Electrical
| Ground | negative |
|---|---|
| Battery volts | 12 |
Mechanical
| Drive | Two-wheel drive |
|---|---|
| Operator station | Open operator station |
Production
| Type | Utility tractor |
|---|---|
| Manufacturer | Satoh |
| Years produced | 1977 - 1980 |
Transmission
| Type | gear |
|---|---|
| Gears | 9 forward and 3 reverse |
Tractor hitch
| Control | position and draft control |
|---|---|
| Rear Type | JIS1 |
Power Take-off (PTO)
| Engine RPM | 625@2400, 837@2400, 1168@2400, 1466@2400 |
|---|---|
| Rear PTO Type | 540 (1.375) |
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