Overview
The Satoh Beaver S370 is a compact utility farm tractor manufactured between 1977 and 1984, powered by a Mitsubishi 0.7L 2-cylinder diesel engine. This model features a 6-speed unsynchronized gear transmission and was produced in both 2WD and 4WD variants, with the 2WD version weighing approximately 1,035.3 pounds. Standard equipment includes a dual-speed rear PTO and a hydraulic system rated for a 1,274-pound lift capacity at the rear hitch.
Ideal Applications
Engine and Power Output:
The Mitsubishi KE70 engine produces 15 gross horsepower at 2700 RPM and provides a claimed 12.2 horsepower at the PTO.
Transmission Layout:
The drivetrain consists of an unsynchronized gear transmission offering six forward and two reverse speeds controlled through a high and low range selector.
Hydraulic System Specifications:
The hydraulic system is rated for a total flow of 3.84 gpm at 1920 psi, supporting a rear lift capacity of 1,274 pounds at the ends.
Production
| Description | Compact Utility tractor |
|---|---|
| Manufacturer | Satoh |
Engine
| Engine type | Mitsubishi 0.7L 2-cyl diesel |
|---|---|
| Fuel tank | 3.3 gal (12.5 L) |
| Air cleaner | paper element |
| Bore/Stroke | 2.87x3.15 inches (73 x 80 mm) |
| Compression | 20:1 |
| Coolant capacity | 4.4 qts (4.2 L) |
| Description | Mitsubishi KE70 / diesel / 2-cylinder inline overhead valve-valve / liquid-cooled |
| Displacement | 40.8 ci (0.7 L) |
| Exhaust valve clearance | 0.0138 inches (cold) (0.351 mm) |
| Firing order | 1-2 |
| Intake valve clearance | 0.0138 inches (cold) (0.351 mm) |
| Oil capacity | 3.2 qts (3.0 L) |
| Power (gross) | 15 hp (11.2 kW) |
| Power (net) | 13 hp (9.7 kW) |
| Pre-heating | glow plugs |
| Rated RPM | 2700 |
| Starter power | 1.6 hp (1.2 kW) |
| Starter volts | 12 |
| Engine (gross) | 15 hp (11.2 kW) |
| Engine (net) | 13 hp (9.7 kW) |
| PTO (claimed) | 12.2 hp (9.1 kW) |
Transmission
| Clutch | 7.24 inch dry disc |
|---|---|
| Description | Three speeds (1-3) plus reverse in high and low ranges. |
| Gears | 6 forward and 2 reverse |
| Oil capacity | 9 qts (2WD) (8.5 L) |
| Transmission type | 6-speed unsymchronized gear |
| Type | unsymchronized gear |
Mechanical
| Cab | Open operator station. |
|---|---|
| Description | Mechanical internal expanding shoe brakes |
| Differential lock | foot pedal |
| Drive | 4x2 2WD |
| Steering | manual |
Hydraulics
| Pressure | 1920 psi (132.4 bar) |
|---|---|
| Total flow | 3.84 gpm (14.5 lpm) |
Hitch
| Rear lift (at ends) | 1,274 lbs (577 kg) |
|---|---|
| Rear Type | 0 |
PTO
| Rear PTO | transmission |
|---|---|
| Rear PTO Type | 540/1000 |
Electrical
| Battery volts | 12 |
|---|---|
| Charging amps | 26.5 |
| Charging system | alternator |
| Ground | negative |
Dimensions & Tires
| Ground clearance | 9.65 inches (2WD) (24 cm) |
|---|---|
| Height (steering wheel) | 43.5 inches (110 cm) |
| Length | 80.90 inches (2WD) (205 cm) |
| Weight | 1,035.3 lbs (2WD) (469 kg) |
| Wheelbase | 48.23 inches (2WD) (122 cm) |
| Width | 38 inches (96 cm) |
| Front tire | 4.00-9 |
| Rear tire | 8-16 (2WD) |
| Weight | 1035.3 to 1180.6 pounds |
| Wheelbase | 48.23 inches (2WD) (122 cm) |
| Lawn/turf front | 18x7.00-8 |
| Lawn/turf rear | 9.5-16 |
| Standard tires (ag) | Front: 4.00-9. Rear: 8-16 (2WD) |
Satoh S370 attachments
| Description | front-end loader |
|---|
Speeds
| Description | With 8-16 R1 rear tires. |
|---|
Variants
| S-370 | 2WD |
|---|---|
| S-370D | 4WD |