Overview
The Satoh Bull S630 is a compact utility tractor produced from 1980 to 1984, powered by a 1.2L 2-cylinder Mitsubishi diesel engine rated at 25 hp. It features a 9-speed gear transmission with three ranges and was available in both two-wheel and four-wheel drive configurations. The tractor is equipped with a Category I rear hitch with a 1,453-pound lift capacity and a four-speed rear PTO.
Ideal Applications
Transmission and Drive Configuration:
The mechanical layout consists of a nine-speed gear transmission with three ranges and a dry disc clutch, supporting either two- or four-wheel drive operation.
Rear Lift and PTO Specifications:
This model features a Type I rear hitch rated for 1,453 pounds of lift capacity at the ends, paired with a rear PTO offering four distinct speeds of 555, 774, 1025, and 1320 RPM.
Engine and Fluid Capacities:
The 76 cubic inch liquid-cooled diesel engine operates at a 21:1 compression ratio and requires 4.2 quarts of oil and 5.9 quarts of coolant for its maintenance cycles.
Production
| Description | Compact Utility tractor |
|---|---|
| Manufacturer | Satoh |
Engine
| Engine type | Mitsubishi 1.2L 2-cyl diesel |
|---|---|
| Fuel tank | 5.29 gal (20.0 L) |
| Air cleaner | dry |
| Compression | 21:1 |
| Coolant capacity | 5.9 qts (5.6 L) |
| Description | Mitsubishi / diesel / 2-cylinder / liquid-cooled |
| Displacement | 76 ci (1.2 L) |
| Oil capacity | 4.2 qts (4.0 L) |
| Power | 25 hp (18.6 kW) |
| Rated RPM | 2500 |
| Starter volts | 12 |
| PTO (claimed) | 22 hp (16.4 kW) |
Transmission
| Clutch | dry disc |
|---|---|
| Description | Three gears (plus reverse) in three ranges. |
| Gears | 9 forward and 3 reverse |
| Oil capacity | 12.7 qts (12.0 L) |
| Transmission type | 9-speed gear |
| Type | gear |
Mechanical
| Cab | Open operator station. |
|---|---|
| Description | Drum brakes |
| Drive type | Two- or four-wheel drive |
| Steering | manual |
Hydraulics
| Pump flow | 3.49 gpm (13.2 lpm) |
|---|
Hitch
| Control | position control |
|---|---|
| Rear lift (at ends) | 1453 lbs (659 kg) |
| Rear Type | I |
PTO
| Rear PTO Type | 555/774/1025/1320 (1.375) |
|---|
Electrical
| Battery AH | 70 |
|---|---|
| Battery volts | 12 |
| Ground | negative |
Dimensions & Tires
| Front tread | 42.1/46.1/50/53.9/57.9 inches (106/117/127/136/147 cm) |
|---|---|
| Ground clearance | 16.1 inches (2WD) (40 cm) |
| Height | 7.6 inches (19 cm) |
| Length | 96.5 inches (245 cm) |
| Rear tread | 38/39.5/44.1/45.3/45.8/50.4 inches (96/100/112/115/116/128 cm) |
| Weight | 2006 lbs (2WD) (909 kg) |
| Wheelbase | 60 inches (152 cm) |
| Width | 49.8 inches (126 cm) |
| Front tire | 5.00-15 |
| Rear tire | 11.2-24 (2WD) |
| Weight | 2006 to 2138 pounds |
| Wheelbase | 60 inches (152 cm) |
| Lawn/turf front | 20x8.00-10 |
| Lawn/turf rear | 13.6-16 |
| Standard tires (ag) | Front: 5.00-15. Rear: 11.2-24 (2WD) |