Satoh Bison S650G

Last Updated: June 2024

Overview

The Satoh Bison S650G is a 2WD compact utility tractor that was produced from 1973 to 1983. It comes equipped with a Mazda-made gasoline engine, either the model PB100 with a displacement of 60.2 cubic inches or the TA/TB with a displacement of 71.3 cubic inches. This tractor features a 4x2 2WD chassis, mechanical steering, an unsynchronized gear transmission with dry disc clutch offering 6 forward and 2 reverse gears, and a differential mechanical internal expanding shoe brake system. The Bison S650G operates with a liquid-cooling system and an open operator station with two-post ROPS. It has a rated rpm of 2800, and the engines can output 25 and 27 horsepower, respectively. The operating weight is 2105 pounds, and it has a fuel tank capacity of 36.0 liters.
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Key Specifications

Category: Utility

Power Output: 25.0, 27.0

Transmission: Unsynchronized gear with dry disc clutch

Drive Type: 2WD

Operating Weight: 2105

Fuel Type: Gasoline

Satoh Bison S650G vs. Similar Tractors

Operating Weight
Below Average
Greater than 17% of similar tractors.

Technical Specifications

Engine

Manufacturer
Mazda
Model
PB100, TA/TB
Cooling Type
Liquid-cooled
Cylinder Orientation
Inline
Valve Configuration
-
Fuel Type
Gasoline
Induction Type
Naturally Aspirated
Cylinders
4
Displacement (ci)
60.2, 71.3
Bore (in)
2.68, 2.76
Stroke (in)
2.68, 2.99
Rated RPM
2800
Power Output (hp)
25.0, 27.0

Transmission

Type
Unsynchronized gear with dry disc clutch
Forward Gears
6
Reverse Gears
2
Total Gears
8

Dimensions

Length (in)
94.9
Width (in)
53
Height (in)
54.7
Operating Weight (lb)
2105

Power Take-Off (PTO)

PTO Type
Rear
PTO Speed 1 (rpm)
540
PTO Speed 2 (rpm)
1000
PTO Speed 3 (rpm)
-

Miscellaneous

Chassis
4x2 2WD
Drive Type
2WD
Steering Type
Mechanical
Coolant Capacity (qts)
7.4
Front Tire Diameter (in)
-
Front Tire Width (in)
-
Rear Tire Diameter (in)
-
Rear Tire Width (in)
-
Front/Rear Rim Diameter (in)
-
Tire Type
Ag
Manufacture - End Year
1983
Hitch Type
-
Hitch Category
I
Hitch Position
-
Hitch Capacity (lb)
-
Operator Station Type
Open with two-post ROPS
Starter Type
Electric
Brake Type
Differential mechanical internal expanding shoe
Hydraulic System Type
-

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