Satoh ST-2640
The Satoh ST-2640 is a tractor produced by Satoh. It is equipped with a 79.6 ci 1.3 L engine. The listed engine power is Diesel (listed): 25.6 hp / 19.1 kW. Transmission: 15 forward and 3 reverse.
Engine Power
Diesel (listed): 25.6 hp / 19.1 kW
Fuel & Capacities
Diesel
Transmission
15 forward and 3 reverse
Overview
 | 1977 - 1982
Compact Utility tractor |
|---|
Production | |
|---|---|
Manufacturer | Satoh |
Compact Utility tractor | |
Variants | |
|---|---|
ST-2620 | Satoh 2WD |
ST-2640D | Satoh 4WD |
D2600 | Mitsubishi 2WD |
D2600FD | Mitsubishi 4WD |
Satoh ST-2640 Engine | |
|---|---|
Mitsubishi 1.3L 4-cyl diesel | |
Engine details ...  |
Satoh ST-2640 Transmission | |
|---|---|
15-speed | |
Transmission details ...  |
Satoh ST-2640 Power | |
|---|---|
Engine | 25.6 hp
19.1 kW |
Mechanical | |
|---|---|
Four-wheel drive |
Power Take-off (PTO) | |
|---|---|
Rear PTO Type | 540 (1.375) |
Dimensions & Tires | |
|---|---|
Full dimensions and tires ...  |
Engine
Engine Detail — 79.6 ci / 1.3 L Diesel
Manufacturer | Mitsubishi KE140 |
Fuel Type | Diesel |
Configuration | 4-cylinder, liquid-cooled inline |
Displacement | 79.6 ci
1.3 L |
Bore/Stroke | 2.87x3.07 inches
73 x 78 mm |
Power | 25.6 hp
19.1 kW |
Transmission
Transmission — 15 forward and 3 reverse
Gears | 15 forward and 3 reverse |
Dimensions
Satoh ST-2640 Tires |
|---|
Dimensions |
|---|
Recommended Implements & Sizing Guide
Engineering recommendations for Satoh ST-2640 based on its 25.6 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 ST-2640.
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 ST-2640 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Satoh ST-2640.
Converted Equivalents:
Horsepower (HP)25.6 hp
Kilowatts (kW)19.1 kW
Metric Horsepower (PS / CV)26 PS
Direct Competitor Comparison
Compare Satoh ST-2640 against same-era industry alternatives in the same horsepower class.
Current Model
Satoh
Satoh ST-2640
Engine Power:Diesel (listed): 25.6 hp / 19.1 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 S630
- Power:
- 25
- Production years:
- 1980 - 1984