Satoh S650 tractor specifications

1973 - 1983

1973 - 1983 Compact Utility tractor

Series:

Series:S550 ← Bison S650

1972 - 1983

Compact Utility tractor

Series:

Elk S550

→ S650

Production

Production
Manufacturer:	Satoh
Type:	Compact Utility tractor
Factory:	Japan

Satoh S550 Power

Satoh S550 Power
Engine:	17 hp 12.7 kW
PTO (claimed):	15.5 hp 11.6 kW

Satoh S550 Engine

Satoh S550 Engine
Mazda 1.0L 4-cyl gasoline
Fuel tank:	4.75 gal 18.0 L
Engine details ...

Mechanical

Mechanical
Chassis:	4x2 2WD
Final drives:	spur gear
Steering:	manual
Brakes:	mechanical drum
Cab:	Open operator station.
Transmission:	6-speed gear
Transmission details ...

Tractor hitch

Tractor hitch
Rear Type:	I
Rear lift:	1102 lbs 499 kg

Power Take-off (PTO)

Power Take-off (PTO)
Rear RPM:	540 (1.375)
Engine RPM:	540@2120

Dimensions & Tires

Dimensions & Tires
Wheelbase:	58.7 inches 149 cm
Weight:	1429 lbs 648 kg
Front tire:	4.00x12
Rear tire:	8.3/8x24
Full dimensions and tires ...

Electrical

Electrical
Ground:	negative
Charging system:	alternator
Charging amps:	35
Battery volts:	12

Production

Production Manufacturer:Satoh
Type:Compact Utility tractor
Factory:Japan

Satoh S650 Power

Satoh S650 Power Engine:25 hp
18.6 kW
PTO (claimed):22 hp
16.4 kW
Drawbar (tested):18.16 hp
13.5 kW
PTO (tested):22.03 hp
16.4 kW
power test details ...

1973 - 1983

Compact Utility tractor

Series:

S550 ←

Bison S650

Nebraska Tractor Test 1106

Nebraska Tractor Test 1106
Gasoline 6-speed 2WD September 4 - 12, 1972 Link: Nebraska Tractor Test 1106 file
PTO performance
Power at rated engine speed:	22.03 hp 16.4 kW
Fuel use:	2.2 gal/hour 8.3 l/hour
Power at rated PTO speed:	21.48 hp 16.0 kW
Fuel use:	2.2 gal/hour 8.3 l/hour
Drawbar performance
Max power:	18.16 hp 13.5 kW
Fuel use:	2.1 gal/hour 7.9 l/hour
Max pull:	2,794 lbs 1267 kg

Satoh S650 Engine

Satoh S650 Engine Mazda 1.0L 4-cyl gasoline Fuel tank:9.5 gal
36.0 L
Engine details ...

1973 - 1983

Compact Utility tractor

Series:

S550 ←

Bison S650

Engine Detail

Engine Detail
Mazda
gasoline
4-cylinder
liquid-cooled
Displacement:	60.2 ci 1.0 L
Bore/Stroke:	2.677x2.677 inches 68 x 68 mm
Power:	25 hp 18.6 kW
Air cleaner:	oil bath
Compression:	8.6:1
Rated RPM:	2800
Starter:	electric
Starter volts:	12
Oil capacity:	3.2 qts 3.0 L
Coolant capacity:	5 qts 4.7 L

Mechanical

Mechanical Chassis:4x2 2WD
Final drives:spur gear
Steering:manual
Brakes:differential mechanical internal expanding shoe
Cab:Open operator station.
Transmission:6-speed unsynchronized gear
Transmission details ...

1973 - 1983

Compact Utility tractor

Series:

S550 ←

Bison S650

Transmission

Transmission
Type:	unsynchronized gear
Gears:	6 forward and 2 reverse
Clutch:	dry disc
Oil capacity:	18.9 qts 17.9 L
Three gears (1-3) in two ranges (low-high).

Speeds

Speeds

Tractor hitch

Tractor hitch Rear Type:I
Rear lift:1102 lbs
499 kg

Power Take-off (PTO)

Power Take-off (PTO) Rear RPM:540/1000
Engine RPM:540@2800

Dimensions & Tires

Dimensions & Tires Wheelbase:60.4 inches
153 cm
Weight:2105 lbs
954 kg
Front tire:5.00-15
Rear tire:11.2/10-24
Full dimensions and tires ...

1973 - 1983

Compact Utility tractor

Series:

S550 ←

Bison S650

Satoh S650 Tires

Satoh S650 Tires
Ag front:	5.00-15
Ag rear:	11.2/10-24
Lawn/turf front:	20x8-10
Lawn/turf rear:	13.6-16.5

Dimensions

Dimensions
Wheelbase:	60.4 inches 153 cm
Length:	105.1 inches 266 cm
Width:	52.9 inches 134 cm
Height (steering wheel):	54.7 inches 138 cm
Operating weight:	2105 lbs 954 kg
Ballasted weight:	3640 lbs 1651 kg
Ground clearance:	13.9 inches 35 cm
Front tread:	40.9 to 52.8 inches 103 to 134 cm
Rear tread:	40 to 51.7 inches 101 to 131 cm