| Manufacturer | Satoh |
| Price | - |
| Model | S550 |
| Equipment Type | Compact Utility Tractors |
| Factory | Japan |
SATOH S550 POWER
| Engine | 17 hp/12.7 kW |
| PTO (claimed) | 15.5 hp/11.6 kW |
ENGINE DETAIL
The Satoh S550 tractor features a compact 1.0 L Mazda gasoline engine with a 17 hp output, making it suited for light-duty agricultural tasks and small property maintenance. Its dry air cleaner and carbureted fuel system offer simplicity and ease of service; however, fuel efficiency may be less optimal compared to modern fuel injection systems. With a low RPM of 2300, it provides adequate torque for tasks but may limit its speed for larger jobs, making it ideal for landscaping or small farm operations rather than heavy-duty applications.
| Description | Mazda/gasoline/4-cylinder/liquid-cooled |
| Displacement | 60.25 ci/1.0 L |
| Bore/Stroke | 2.677x2.677 inches/68 x 68 mm |
| Power | 17 hp/12.7 kW |
| Fuel system | carburetor |
| Air cleaner | dry |
| Compression | 8.5:1 |
| Rated RPM | 2300 |
| Starter | electric |
| Starter volts | 12 |
| Oil capacity | 3.2 qts/3.0 L |
| Coolant capacity | 3.2 qts/3.0 L |
SATOH S550 ENGINE
The Satoh S550 tractor is powered by a Mazda 1.0L 4-cylinder gasoline engine, presenting advantages in thermal efficiency and a compact design for small-scale operations. With a 4.75-gallon (18.0 L) fuel tank, it offers limited range but may provide lower operational costs in small agricultural tasks. However, it may struggle with heavy loads, making it less suitable for larger farming operations or extended hours without refueling.
| Description | Mazda 1.0L 4-cyl gasoline |
| Fuel tank | 4.75 gal/18.0 L |
TRANSMISSION
The Satoh S550 tractor features a 6 forward and 2 reverse gear configuration, providing versatility in various agricultural tasks but may require careful gear selection for optimal performance in different terrains. Its dry disc clutch offers reliable engagement and durability; however, it could present challenges in smooth operation during abrupt engagements. With an oil capacity of 14.8 quarts, adequate lubrication is ensured for extended usage, but regular maintenance is essential to prevent breakdowns and maintain efficiency.
| Type | gear |
| Gears | 6 forward and 2 reverse |
| Clutch | dry disc |
| Oil capacity | 14.8 qts/14.0 L |
MECHANICAL
The Satoh S550's 4x2 2WD chassis provides basic traction but may limit performance on uneven terrain compared to 4WD systems. Its mechanical drum brakes offer straightforward maintenance yet may lack the stopping power and responsiveness of more advanced braking systems, posing challenges in hilly conditions. With a 6-speed manual transmission, operators can optimize speed and torque for various tasks, though it requires a steeper learning curve for efficient use.
| Chassis | 4x2 2WD |
| Final drives | spur gear |
| Steering | manual |
| Brakes | mechanical drum |
| Cab | Open operator station. |
| Transmission | 6-speed gear |
TRACTOR HITCH
| Rear Type | I |
| Rear lift | 1102 lbs/499 kg |
POWER TAKE-OFF (PTO)
| Rear RPM | 540 (1.375) |
| Engine RPM | 540@2120 |
SATOH S550 TIRES
The Satoh S550 tractor features a dual tire setup with 4.00x12 AG front and 8.3/8x24 AG rear tires, providing enhanced traction for agricultural tasks. Alternatively, the 20x8-10 front and 13.6-16 rear turf tires offer improved maneuverability and lower ground pressure for lawn care or landscaping applications. Key considerations include evaluating soil types and operational needs, as AG tires excel in heavy-duty conditions while turf tires are better suited for delicate surfaces.
| Ag front | 4.00x12 |
| Ag rear | 8.3/8x24 |
| Lawn/turf front | 20x8-10 |
| Lawn/turf rear | 13.6-16 |
DIMENSIONS
| Wheelbase | 58.7 inches/149 cm |
| Length | 103.4 inches/262 cm |
| Width | 45 inches/114 cm |
| Height (steering wheel) | 51.6 inches/131 cm |
| Weight | 1429 lbs/648 kg |
| Ground clearance | 13 inches/33 cm |
| Front tread | 37.8 to 40 inches/96 to 101 cm |
| Rear tread | 37.6 to 41.3 inches/95 to 104 cm |
DIMENSIONS & TIRES
The Satoh S550 tractor features a compact wheelbase of 58.7 inches, enhancing maneuverability in tight spaces, which is advantageous for small farms or landscaping tasks. Weighing 1429 lbs, it provides sufficient stability for various applications while still being lightweight enough to minimize soil compaction. However, the smaller tire sizes may limit its ability to navigate rough terrain or handle heavier loads compared to larger tractors.
| Wheelbase | 58.7 inches/149 cm |
| Weight | 1429 lbs/648 kg |
| Front tire | 4.00x12 |
| Rear tire | 8.3/8x24 |
ELECTRICAL
| Ground | negative |
| Charging system | alternator |
| Charging amps | 35 |
| Battery volts | 12 |