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Tractor · 1973Unverified

Satoh Bison S650

Name: Satoh Bison S650
Brand: Satoh

Satoh Bison S650 — Compact Utility tractor · 22 hp. Reference specifications; pending source verification.

The Satoh Bison S650 is a tractor with a rated power output of 22 hp, classified as a lighter model within its category. It was produced from 1973 to 1983 and features a 4-cylinder petrol engine with liquid cooling, coupled with two-wheel drive and a 6-speed gearbox. The tractor's operating weight is specified as 954 kg, and it is suitable for use on areas of up to 200 acres.

Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.

Rated power

22 hp

Max power

13.5 kW

Weight

954 kg

Catalogue coverage

Variants represented

Richest spec table

66 rows

Recorded power

22 hp

Recorded weight

954 kg

Transmissions

6-speed unsynchronized gear

Production years

1973-1983

Verified variants

No linked source document is currently displayed; verify critical figures with the manufacturer or dealer.

Hover a source tag to verify

Overview

ManufacturerSatohReference

Compact Utility tractorReference

Built in JapanReference

Two-wheel driveReference

Final drivesspur gearReference

Manual steeringReference

Differential mechanical internal expanding shoe brakesReference

Open operator station.Reference

Engine

Mazda 1.0L 4-cyl gasolineReference

Fuel tank36.0 LReference

Engine18.6 kWReference

Drawbar (tested)13.5 kWReference

MazdaReference

gasolineReference

4-cylinderReference

liquid-cooledReference

Displacement1.0 LReference

Bore/Stroke68 x 68 mmReference

Power18.6 kWReference

Air cleaneroil bathReference

Compression8.6:1Reference

Rated RPM2800Reference

StarterelectricReference

Starter volts12Reference

Oil capacity3.0 LReference

Coolant capacity4.7 LReference

Power at rated engine speed16.4 kWReference

Max power13.5 kWReference

Transmission

6-speed unsynchronized gearReference

Typeunsynchronized gearReference

Gears6 forward and 2 reverseReference

Clutchdry discReference

Oil capacity17.9 LReference

Three gears (1-3) in two ranges (low-high).Reference

PTO & Hydraulics

PTO (claimed)16.4 kWReference

PTO (tested)16.4 kWReference

Rear TypeIReference

Rear lift499 kgReference

Rear PTO Type540/1000Reference

Engine RPM540@2800Reference

Power at rated PTO speed16.0 kWReference

Dimensions

Wheelbase153 cmReference

Weight954 kgReference

Front tire5.00-15Reference

Rear tire11.2/10-24Reference

Ag front5.00-15Reference

Ag rear11.2/10-24Reference

Lawn/turf front20x8-10Reference

Lawn/turf rear13.6-16.5Reference

Length266 cmReference

Width134 cmReference

Height (steering wheel)138 cmReference

Operating weight954 kgReference

Ballasted weight1651 kgReference

Ground clearance35 cmReference

Front tread103 to 134 cmReference

Rear tread101 to 131 cmReference

Electrical

GroundnegativeReference

Charging systemalternatorReference

Battery volts12Reference

Test results

Gasoline 6-speed 2WDSeptember 4 - 12, 1972Link: Nebraska Tractor Test 1106 fileReference

PTO performanceReference

Fuel use8.3 l/hourReference

Drawbar performanceReference

Fuel use7.9 l/hourReference

Max pull1267 kgReference

Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.

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