Compare/Satoh Bison S650 vs Satoh Bull S630

Satoh Bison S650 vs Satoh Bull S630

Verdict: Satoh Bison S650 vs Satoh Bull S630

The Satoh Bison S650 and the Satoh Bull S630 are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 22 hp. Satoh Bison S650 is the lighter machine (954 kg vs 2,006 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Satoh Bull S630 is the newer design (1980 vs 1973). Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer 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

Confidence

40%

Guide price

—

Overview

Manufacturer

SatohReference

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

With 11.2-24 rear tires.Reference

Final drives

spur gearReference

—

Differential lock

—

mechanical rearReference

Engine

Fuel tank

36.0 LReference

—

Engine

18.6 kWReference

Drawbar (tested)

13.5 kWReference

—

Displacement

1.0 LReference

1.2 LReference

Bore/Stroke

68 x 68 mmReference

90 x 98 mmReference

Power

18.6 kWReference

Air cleaner

oil bathReference

dryReference

Compression

8.6:1Reference

21:1Reference

Rated RPM

2800Reference

2500Reference

Starter

electricReference

—

Starter volts

12Reference

Oil capacity

17.9 LReference

12.0 LReference

Coolant capacity

4.7 LReference

5.6 LReference

Power at rated engine speed

16.4 kWReference

—

Max power

13.5 kWReference

—

Idle RPM

—

750-2700Reference

Torque

—

69.6 NmReference

Torque RPM

—

2000Reference

Intake valve clearance

—

0.351 mmReference

Exhaust valve clearance

—

0.351 mmReference

Oil change

—

100 hReference

Transmission

Type

unsynchronized gearReference

gearReference

Gears

6 forward and 2 reverseReference

9 forward and 3 reverseReference

Clutch

dry discReference

PTO & Hydraulics

PTO (claimed)

16.4 kWReference

PTO (tested)

16.4 kWReference

—

Rear Type

IReference

Rear lift

499 kgReference

—

Rear PTO Type

540/1000Reference

540 (1.375)Reference

Engine RPM

540@2800Reference

1320@2500Reference

Power at rated PTO speed

16.0 kWReference

—

Hydraulic system

—

12.1 LReference

Capacity

—

12.1 LReference

Pressure

—

127.5 barReference

Pump flow

—

13.2 lpmReference

Control

—

position controlReference

Rear lift (at ends)

—

659 kgReference

Rear PTO

—

transmissionReference

Dimensions

Wheelbase

153 cmReference

152 cmReference

Weight

954 kgReference

2006 to 2138 poundsReference

Front tire

5.00-15Reference

Rear tire

11.2/10-24Reference

11.2-24 (2WD)Reference

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

245 cmReference

Width

134 cmReference

126 cmReference

Height (steering wheel)

138 cmReference

—

Operating weight

954 kgReference

—

Ballasted weight

1651 kgReference

—

Ground clearance

35 cmReference

29 cmReference

Front tread

103 to 134 cmReference

106/117/127/136/147 cmReference

Rear tread

101 to 131 cmReference

96/100/112/115/116/128 cmReference

Standard tires (ag)

—

Front: 6-14. Rear: 11.2-24 (4WD)Reference

2WD Lawn/turf front

—

20x8.00-10Reference

4WD Lawn/turf front

—

6-14Reference

Height

—

19 cmReference

2WD Weight

—

909 kgReference

4WD Weight

—

969 kgReference

Electrical

Ground

negativeReference

Charging system

alternatorReference

Battery volts

12Reference

Charging amps

—

15Reference

Battery AH

—

70Reference

Test results

Fuel use

7.9 l/hourReference

—

Max pull

1267 kgReference

—

Variants

S630D

—

4WDReference

Capacities

Fuel

—

20.1 LReference

Speeds

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.