Satoh Bull S630
The Satoh Bull S630 is a tractor produced by Satoh. It is equipped with a 76 ci 1.2 L engine. The listed engine power is Diesel (listed): 25 hp / 18.6 kW. Transmission: 9 forward and 3 reverse. Operating weight: 2006 lbs (2WD) 909 kg.
Engine Power
Diesel (listed): 25 hp / 18.6 kW
Fuel & Capacities
5.29 gal
20.0 L
Transmission
9 forward and 3 reverse
Operating Weight
2006 lbs (2WD)
909 kg
Overview
 | 1980 - 1984
Compact Utility tractor |
|---|
Production | |
|---|---|
Manufacturer | Satoh |
Compact Utility tractor | |
Satoh S630 Engine | |
|---|---|
Mitsubishi 1.2L 2-cyl diesel | |
Fuel tank | 5.29 gal
20.0 L |
Engine details ...  | |
Satoh S630 Transmission | |
|---|---|
9-speed gear | |
Transmission details ...  |
Satoh S630 Power | |
|---|---|
Engine | 25 hp
18.6 kW |
PTO (claimed) | 22 hp
16.4 kW |
Mechanical | |
|---|---|
Two- or four-wheel drive | |
Steering | manual |
Drum brakes | |
Open operator station. | |
Hydraulics | |
|---|---|
Pump flow | 3.49 gpm
13.2 lpm |
Tractor hitch | |
|---|---|
Rear Type | I |
Control | position control |
Rear lift (at ends) | 1453 lbs
659 kg |
Power Take-off (PTO) | |
|---|---|
Rear PTO Type | 555/774/1025/1320 (1.375) |
Dimensions & Tires | |
|---|---|
Wheelbase | 60 inches
152 cm |
Weight | 2006 to 2138 pounds |
Front tire | 5.00-15 |
Rear tire | 11.2-24 (2WD) |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Battery volts | 12 |
Battery AH | 70 |
Engine
Engine Detail — 76 ci / 1.2 L Diesel
Manufacturer | Mitsubishi |
Fuel Type | Diesel |
Configuration | 2-cylinder, liquid-cooled |
Displacement | 76 ci
1.2 L |
Power | 25 hp
18.6 kW |
Air cleaner | dry |
Compression | 21:1 |
Rated RPM | 2500 |
Starter volts | 12 |
Oil capacity | 4.2 qts
4.0 L |
Coolant capacity | 5.9 qts
5.6 L |
Transmission
Transmission — 9 forward and 3 reverse gear
Type | gear |
Gears | 9 forward and 3 reverse |
Clutch | dry disc |
Oil capacity | 12.7 qts
12.0 L |
Three gears (plus reverse) in three ranges. | |
Dimensions
Satoh S630 Tires | |
|---|---|
Standard tires (ag) | Front: 5.00-15. Rear: 11.2-24 (2WD) |
Front: 6-14. Rear: 11.2-24 (4WD) | |
Lawn/turf front | 20x8.00-10 |
Lawn/turf rear | 13.6-16 |
Dimensions | |
|---|---|
Wheelbase | 60 inches
152 cm |
Length | 96.5 inches
245 cm |
Width | 49.8 inches
126 cm |
Height | 7.6 inches
19 cm |
Weight | 2006 lbs (2WD)
909 kg |
2138 lbs (4WD)
969 kg | |
Ground clearance | 16.1 inches (2WD)
40 cm |
11.6 inches (4WD)
29 cm | |
Front tread | 42.1/46.1/50/53.9/57.9 inches
106/117/127/136/147 cm |
Rear tread | 38/39.5/44.1/45.3/45.8/50.4 inches
96/100/112/115/116/128 cm |
Photos
Satoh Bull S630 tractor photo
Recommended Implements & Sizing Guide
Engineering recommendations for Satoh Bull S630 based on its 25 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 1 to 2 Bottom (12")1 - 2 铧 (30 cm) | Light Duty | Ideal for garden plots and light sandy soil. |
Rotary Cutter / MowerMowing & Clearing | 5 ft (60 in)1.5 m | Medium Duty | Pasture maintenance and weeds up to 1.5" diameter. |
Rotary TillerSeedbed Prep | 54 to 60 in135 - 150 cm | Medium Duty | Thorough seedbed preparation in orchards and vegetable plots. |
Disc HarrowSecondary Tillage | 5 to 6 ft (16-18" discs)1.5 - 1.8 m (40-45 cm 耙片) | Light Duty | Small acreage soil break-up and secondary aeration. |
Sizing & Soil Condition NoteActual implement sizing varies depending on local soil conditions (heavy clay vs sandy loam), field slope, and operating speed. Heavy tillage implements may require front ballast weights and wheel weights.
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for Satoh Bull S630.
Estimated Continuous Field Runtime: 4.1 hrs
Approximately 4.1 hours of continuous field operation at ~75% rated power on a full tank (5.3 gal / 20 L).
Estimated 75% Load Fuel Burn~1.3 gal/hr (4.9 L/hr)
Engine Crankcase Oil
SAE 15W-40 (Heavy Duty Diesel)
Standard Spec: API CK-4 / CJ-4 Heavy Duty
Service Interval: 150 – 250 Hours
Transmission & Hydraulic System
UTTO (Universal Tractor Transmission Oil)
Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)
Service Interval: 600 – 1000 Hours
Engine Cooling System
50/50 Ethylene Glycol Pre-mix
Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze
Service Interval: 2 Years / 1500 Hours
Satoh Bull S630 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Satoh Bull S630.
Converted Equivalents:
Horsepower (HP)25 hp
Kilowatts (kW)18.6 kW
Metric Horsepower (PS / CV)25.3 PS
Direct Competitor Comparison
Compare Satoh Bull S630 against same-era industry alternatives in the same horsepower class.
Current Model
Satoh
Satoh Bull S630
Engine Power:Diesel (listed): 25 hp / 18.6 kW
★ Baseline Reference
Related models
Satoh ST-2320
- Power:
- 22.7
- Production years:
- 1978 - 1988
Satoh ST-2340
- Power:
- 23
- Production years:
- 1978 - 1988
Satoh ST2300
- Power:
- 23
- Production years:
- 1977 - 1980
Satoh ST-2500
- Power:
- 24.7
- Production years:
- 1973 - 1976
Satoh S650
- Power:
- 25
- Production years:
- 1973 - 1983