Brand siblingUtilityPerformance profile
Satoh Bison S650G
The Satoh Bison S650G is a utility tractor made from 1973 to 1983. It's a small, light tractor with a 2WD system and a simple design. The tractor has a Mazda PB100 engine that runs on gasoline and has 4 cylinders. It can produce 25 horsepower, which is below average for tractors. The engine is liquid-cooled and naturally aspirated, meaning it doesn't use a turbocharger. This tractor has a basic transmission with 6 forward gears and 2 reverse gears. It has a rear PTO that can run at 540 or 1000 rpm, which is useful for different farm tools. The Bison S650G is compact, measuring about 95 inches long, 53 inches wide, and 55 inches tall. It weighs 2105 pounds, making it lighter than many other tractors. The tractor has an open operator station with a two-post roll-over protection system (ROPS) for safety. It also has a Category I hitch, which is common for small tractors.
ManufacturerSatohPower25 hpEngine4-cylTransUnsynchronized gear with dry disc clutch
Image not recorded
Quick specs
- Category
- Utility
- Engine Power Output
- 25hp
- Operating Weight
- 2,105 lb
- Transmission
- Unsynchronized gear with dry disc clutch
At a glance
How the Bison S650G compares
vs. Utility medianDistribution
Engine Power (hp)
Across all Utility tractors
25 hp · 16th
This model
9
Median 55 hp
177
This modelUtility tractorsMediann = 5,383
The Bison S650G ranks at the 16th percentile for engine power among recorded utility tractors.
Overview
About the Satoh Bison S650G
The Satoh Bison S650G is a utility tractor made from 1973 to 1983. It's a small, light tractor with a 2WD system and a simple design. The tractor has a Mazda PB100 engine that runs on gasoline and has 4 cylinders. It can produce 25 horsepower, which is below average for tractors. The engine is liquid-cooled and naturally aspirated, meaning it doesn't use a turbocharger. This tractor has a basic transmission with 6 forward gears and 2 reverse gears. It has a rear PTO that can run at 540 or 1000 rpm, which is useful for different farm tools. The Bison S650G is compact, measuring about 95 inches long, 53 inches wide, and 55 inches tall. It weighs 2105 pounds, making it lighter than many other tractors. The tractor has an open operator station with a two-post roll-over protection system (ROPS) for safety. It also has a Category I hitch, which is common for small tractors.
Full specifications
Every recorded spec
General
| Manufacturer | Satoh |
|---|---|
| Model | Bison S650G |
| Category | Utility tractor |
| Type | 4x2 2WD |
| Years built | 1973–1983 |
| Operating weight | 2,105lb |
Engine
| Make | Mazda |
|---|---|
| Model | PB100 |
| Power | 25hp |
| Cylinders | 4 |
| Displacement | 60.2ci |
| Bore | 2.68in |
| Stroke | 2.68in |
Transmission
| Type | Unsynchronized gear with dry disc clutch |
|---|---|
| Forward gears | 6 |
| Reverse gears | 2 |
Chassis & drive
| Chassis | 4x2 2WD |
|---|---|
| Drive | 2WD |
| Steering | Mechanical |
| Brakes | Differential mechanical internal expanding shoe |
| Cab | Open with two-post ROPS |
Power take-off
| Rear PTO | Rear |
|---|---|
| PTO speed | 540rpm |
Dimensions
| Length | 94.9in |
|---|---|
| Width | 53in |
| Height | 54.7in |
| Operating weight | 2,105lb |
Capacities
| Cooling system | 1.85gal |
|---|
Head to head
Bison S650G vs. Utility median
How the Satoh Bison S650G compares to other Utility tractors
| Spec | This model | Utility median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 25 hp | 55 hp | -55% | 16th |
| Engine Displacement | 60.2 ci | 183 ci | -67% | 6th |
| Cylinders | 4 | 4 | at median | 50th |
| Forward Gears | 6 | 12 | -50% | 11th |
| Operating Weight | 2,105 lb | 5,303 lb | -60% | 13th |
| Length | 94.9 in | 137 in | -31% | 6th |
| Width | 53 in | 66 in | -20% | 22nd |
| Height | 54.7 in | 94.1 in | -42% | 5th |
Medians and percentiles are computed from the utility tractors in our database with a recorded value for each spec (sample sizes 3,933–5,720 models).
Compare to tractors with similar specs
Commonly compared Satoh tractors
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| Satoh Bison S650 | 25 hp | 2,105 lb | — | Compare → |
| Satoh Bull S630 | 25 hp | 2,006 lb | — | Compare → |
| Satoh ST2620 | 26 hp | — | — | Compare → |
| Satoh ST2640 | 26 hp | — | — | Compare → |
| Satoh ST2340 | 23 hp | — | — | Compare → |
Commonly compared tractors with similar horsepower from other brands
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| Allis Chalmers 5020 | 25 hp | 2,060 lb | 1977–1985 | Compare → |
| Allis Chalmers FD3 | 25 hp | 3,150 lb | — | Compare → |
| Apollo 254 | 25 hp | — | — | Compare → |
| Belarus 254 | 25 hp | — | — | Compare → |
| Bobcat CT1025 | 24.5 hp | 1,488 lb | — | Compare → |
Explore
Satoh siblings
Explore
Similar-spec models
FAQ
Common questions
What years was the Satoh Bison S650G manufactured?
Production of the Satoh Bison S650G ran from 1973 through 1983.
What is the working weight of the Satoh Bison S650G?
The operating weight of the Satoh Bison S650G is approximately 2,105 lb.
What type of transmission does the Satoh Bison S650G have?
The Satoh Bison S650G uses an Unsynchronized gear with dry disc clutch transmission offering 6 forward gears.
What hitch category is the Satoh Bison S650G?
The Satoh Bison S650G uses a Category I hitch.
How powerful is the Satoh Bison S650G?
The Satoh Bison S650G has an engine power output of 25 hp. It is powered by a 4-cylinder engine displacing 60.2 ci.
What routine service does the Satoh Bison S650G need?
Regular maintenance for the Satoh Bison S650G includes checking and changing engine oil, hydraulic fluid, and filters, plus routine inspections as recommended in the owner's manual. Always follow the manufacturer's maintenance schedule for specific intervals and procedures.