Introduction
Satoh S650 Compact Utility Tractor
The Satoh S650 is a compact utility tractor produced in Japan between 1973 and 1983. Designed for versatility in agricultural and property maintenance tasks, this model serves as a reliable machine within the S550 series.
Engine and Performance
The tractor is powered by a 4-cylinder Mazda gasoline engine with a displacement of 1.0 liters (60.2 cubic inches). It features liquid cooling and an oil bath air cleaner to maintain consistent performance under load. Producing 25 horsepower at a rated engine speed of 2800 RPM, it provides sufficient power for light-duty field and utility operations.
Transmission and Drivetrain
Equipped with a two-wheel drive system, the S650 utilizes an unsynchronized gear transmission offering 6 forward and 2 reverse speeds. Power is transferred through a dry disc clutch, allowing the operator to select the appropriate gear ratio for varying terrain and implements.
Hydraulics and PTO
The rear power take-off (PTO) offers dual speeds of 540 and 1000 RPM, operated at an engine speed of 2800 RPM. The tractor is equipped with a Category I rear hitch capable of lifting 1102 lbs (499 kg), supporting a wide range of light implements.
Mechanical and Physical Specifications
The machine features manual steering and differential mechanical internal expanding shoe brakes for control. With an operating weight of 2105 lbs (954 kg) and a ground clearance of 13.9 inches (35 cm), it maintains a balance between stability and maneuverability. The open operator station provides a clear view of the working area.
Conclusion
The Satoh S650 is a robust compact utility tractor suited for small-scale farming, landscaping, and general utility tasks. Its straightforward mechanical design and reliable Mazda engine make it a practical choice for users requiring a dependable, easily maintainable piece of equipment.
Production Information of Satoh, S650
- Compact Utility tractor
- Built in Japan
| Manufacturer | Satoh |
|---|
Dimension and Tires Information of Satoh, S650
| Ground clearance | 13.9 inches [35 cm] |
|---|---|
| Wheelbase | 60.4 inches [153 cm] |
| Operating weight | 2105 lbs [954 kg] |
| Height (steering wheel) | 54.7 inches [138 cm] |
| Length | 105.1 inches [266 cm] |
| Front tread | 40.9 to 52.8 inches [103 to 134 cm] |
| Ballasted weight | 3640 lbs [1651 kg] |
| Width | 52.9 inches [134 cm] |
| Rear tread | 40 to 51.7 inches [101 to 131 cm] |
| Ag front | 5.00-15 |
|---|---|
| Lawn/turf rear | 13.6-16.5 |
| Ag rear | 11.2/10-24 |
| Lawn/turf front | 20x8-10 |
Engine Specifications of Satoh, S650
- Mazda
- Liquid-cooled
- 4-cylinder
- Gasoline
| Air cleaner | Oil bath |
|---|---|
| Starter | Electric |
| Displacement | 60.2 ci [1.0 L] |
| Bore/Stroke | 2.677x2.677 inches [68 x 68 mm] |
| Power | 25 hp [18.6 kW] |
| Rated RPM | 2800 |
| Compression | 8.6:1 |
| Coolant capacity | 5 qts [4.7 L] |
| Oil capacity | 3.2 qts [3.0 L] |
| Starter volts | 12 |
Transmission Information of Satoh, S650
Transmission variants 1
- Three gears (1-3) in two ranges (low-high).
| Type | Unsynchronized gear |
|---|---|
| Oil capacity | 18.9 qts [17.9 L] |
| Gears | 6 forward and 2 reverse |
| Clutch | Dry disc |
Mechanical Specs of Satoh, S650
- Two-wheel drive
- Open operator station.
- Differential mechanical internal expanding shoe brakes
- Manual steering
| Final drives | Spur gear |
|---|
Power Information of Satoh, S650
| Rear PTO Type | 540/1000 |
|---|---|
| Engine RPM | 540@2800 |
Three-Point Hitch of Satoh, S650
| Rear Type | I |
|---|---|
| Rear lift | 1102 lbs [499 kg] |
Electrical System of Satoh, S650
| Ground | Negative |
|---|---|
| Charging system | Alternator |
| Battery volts | 12 |
Where it sits
With 25 HP, the Satoh S650 sits just above S550 (17 HP) in Satoh's range. Its power puts it in the 14th percentile of 1970s models in our database (1259 machines).
Frequently asked questions
How much horsepower does the Satoh S650 have?
The Satoh S650 delivers 25 HP.
What years was the Satoh S650 produced?
The Satoh S650 was produced in 1973-1983.
What engine does the Satoh S650 have?
The Satoh S650 is powered by a Gasoline, 4-cylinder engine.
What transmission does the Satoh S650 use?
The Satoh S650 uses a Unsynchronized gear transmission.
How much does the Satoh S650 weigh?
The Satoh S650 weighs 2105 lbs [954 kg].
Is the Satoh S650 4WD?
The Satoh S650 is available in 2WD.