Satoh

Satoh Elk S550

The Satoh Elk S550 is a compact utility tractor produced by Satoh in Japan from 1972 to 1983. It features a Mazda 1.0L 4-cylinder liquid-cooled gasoline engine producing 17 hp (12.7 kW) with a 6-speed gear transmission and 2-wheel drive. The tractor has a rear 3-point hitch with a lift capacity of 1102 lbs (499 kg) and a rear PTO operating at 540 RPM. It has a wheelbase of 58.7 inches (149 cm), weighs 1429 lbs (648 kg), and comes equipped with agricultural and lawn/turf tires. The electrical system includes a 12-volt battery with a 35 amp alternator charging system. The S550 is part of a series that includes the S650 model.

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ModelS550

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Technical Specifications

Detailed specifications and technical data for Satoh Elk S550

Power

Engine power	17 hp (12.7 kW)
PTO (claimed)	15.5 hp (11.6 kW)

Engine

Model	Mazda 1.0L 4-cyl gasoline
Power	17 hp (12.7 kW)
Starter	electric
Fuel tank	4.75 gal (18.0 L)
Rated RPM	2300
Air cleaner	dry
Bore/Stroke	2.677x2.677 inches (68 x 68 mm)
Compression	8.5:1
Fuel system	carburetor
Displacement	60.25 ci (1.0 L)
Oil capacity	3.2 qts (3.0 L)
Starter volts	12
Coolant capacity	3.2 qts (3.0 L)

Electrical

Ground	negative
Battery volts	12
Charging amps	35
Charging system	alternator

Mechanical

Drive	Two-wheel drive
Brakes	Mechanical drum brakes
Steering	Manual steering
Final drives	spur gear
Operator station	Open operator station

Production

Built in	Japan
Category	Compact Utility tractor
Manufacturer	Satoh
Years produced	1972 - 1983

Transmission

Type	gear
Gears	6 forward and 2 reverse
Clutch	dry disc
Oil capacity	14.8 qts (14.0 L)

Tractor hitch

Rear Type	I
Rear lift capacity	1102 lbs (499 kg)

Dimensions & Tires

Width	45 inches (114 cm)
Length	103.4 inches (262 cm)
Weight	1429 lbs (648 kg)
Wheelbase	58.7 inches (149 cm)
Rear tread	37.6 to 41.3 inches (95 to 104 cm)
Front tread	37.8 to 40 inches (96 to 101 cm)
Ag rear tire	8.3/8x24
Ag front tire	4.00x12
Ground clearance	13 inches (33 cm)
Lawn/turf rear tire	13.6-16
Lawn/turf front tire	20x8-10
Height (steering wheel)	51.6 inches (131 cm)