Compare/Satoh Bison S650 vs Satoh Bison S670

Satoh Bison S650 vs Satoh Bison S670

Verdict: Satoh Bison S650 vs Satoh Bison S670

The Satoh Bison S650 and the Satoh Bison S670 are both tractors — here is how they stack up on the figures that matter. Satoh Bison S670 leads on rated power with 25 hp against 22 hp. Satoh Bison S650 is the lighter machine (954 kg vs 2,313 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Satoh Bison S670 is the newer design (1980 vs 1973). In short: choose the Satoh Bison S670 for outright pulling power, or the Satoh Bison S650 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.

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Tell us about your operation

Acreage600 acBudgetMain crop / use

Fit & specs

Satoh

Fit score

Best match

Clear

Satoh

Fit score

Best match

Clear

Rated power

22 hp

25 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

SatohReference

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

liquid-cooledReference

Final drives

spur gearReference

—

Steering

—

0.9 LReference

Engine

Fuel tank

36.0 LReference

—

Engine

18.6 kWReference

22.4 kWReference

Drawbar (tested)

13.5 kWReference

—

Displacement

1.0 LReference

1.3 LReference

Bore/Stroke

68 x 68 mmReference

—

Power

18.6 kWReference

22.4 kWReference

Air cleaner

oil bathReference

dryReference

Compression

8.6:1Reference

23:1Reference

Rated RPM

2800Reference

2700Reference

Starter

electricReference

—

Starter volts

12Reference

Oil capacity

17.9 LReference

6.2 LReference

Coolant capacity

4.7 LReference

6.0 LReference

Power at rated engine speed

16.4 kWReference

—

Max power

13.5 kWReference

—

Transmission

Type

unsynchronized gearReference

gearReference

Gears

6 forward and 2 reverseReference

8 forward and 2 reverseReference

Clutch

dry discReference

2WD Oil capacity

—

20.0 LReference

4WD Oil capacity

—

21.0 LReference

PTO & Hydraulics

PTO (claimed)

16.4 kWReference

18.6 kWReference

PTO (tested)

16.4 kWReference

—

Rear Type

IReference

Rear lift

499 kgReference

—

Rear PTO Type

540/1000Reference

540/1000 (1.375)Reference

Engine RPM

540@2800Reference

—

Power at rated PTO speed

16.0 kWReference

—

Hydraulic system

—

4.7 LReference

Capacity

—

4.7 LReference

Pump flow

—

19.5 lpmReference

Steering flow

—

13.0 lpmReference

Steering cap.

—

0.9 LReference

Control

—

position and draft controlReference

Rear lift (at ends)

—

929 kgReference

Rear PTO

—

liveReference

Dimensions

Wheelbase

153 cmReference

—

Weight

954 kgReference

2313 to 2675 poundsReference

Front tire

5.00-15Reference

Rear tire

11.2/10-24Reference

—

Ag front

5.00-15Reference

—

Ag rear

11.2/10-24Reference

—

Lawn/turf front

20x8-10Reference

—

Lawn/turf rear

13.6-16.5Reference

13.6-16Reference

Length

266 cmReference

—

Width

134 cmReference

150 cmReference

Height (steering wheel)

138 cmReference

—

Operating weight

954 kgReference

—

Ballasted weight

1651 kgReference

—

Ground clearance

35 cmReference

28 cmReference

Front tread

103 to 134 cmReference

—

Rear tread

101 to 131 cmReference

115 to 149 cmReference

2WD Wheelbase

—

153 cmReference

4WD Wheelbase

—

191 cmReference

2WD Rear tire

—

7-16Reference

2WD Standard tires (ag)

—

Front: 5.00-15. Rear: 7-16Reference

4WD Standard tires (ag)

—

Front: 7-16. Rear: 12.4-24Reference

2WD Lawn/turf front

—

20x8.00-10Reference

4WD Lawn/turf front

—

6-14Reference

2WD Length

—

270 cmReference

4WD Length

—

296 cmReference

Height

—

197 cmReference

2WD Weight

—

1049 kgReference

4WD Weight

—

1213 kgReference

2WD Front tread

—

103 to 134 cmReference

4WD Front tread

—

119 cmReference

Electrical

Ground

negativeReference

Charging system

alternatorReference

—

Battery volts

12Reference

Battery AH

—

70Reference

Test results

Fuel use

7.9 l/hourReference

—

Max pull

1267 kgReference

—

Capacities

Fuel

—

40.1 LReference

Fit score weighs budget, operation size, crop match and data confidence against the details above. It’s guidance, not advice — always confirm with a dealer demo.