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Satoh Mitsubishi Bison S-670D

Built: 1980-1984 · Series: Other models

More machines from model year 1980

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The Satoh Mitsubishi Bison S-670D is a machine built by Satoh Mitsubishi. Production: 1980-1984. The engine delivers 30 hp (22 kW), has 4 cylinders. The engine comes from Mazda. Lifting capacity is 930 kg. The engine is water-cooled. The model was built in Japan. The fuel is diesel. The linkage is category I. Its predecessor was the Satoh Bison S-670. The PTO runs at 540/1000 rpm. It was succeeded by the Mitsubishi MT670. Rated output across the Satoh Mitsubishi range ranges from 17 to 38 hp; the Bison S-670D sits in the upper part of that range with 30 hp. Its immediate neighbours are the Bull S-630 below it with 25 hp and the Stallion S-750 above it with 38 hp. Rated output across the Satoh Mitsubishi range ranges from 13 to 28 kW; here the Bison S-670D sits in the upper part of that range with 22 kW. 6 Satoh Mitsubishi models across 2 series are on record.

Satoh Mitsubishi – other models: the collective page of Japanese compact tractors outside the named ranges, from the Beaver and Bison to the Buck and Stallion, 13 to 28 kW, Mitsubishi, Isuzu and Mazda engines

This page gathers the Satoh compact tractors the register could not assign to a named range – models with animal names such as Beaver, Bison, Buck and Stallion, followed by a code with the letter S and a three-digit number. Satoh was a Japanese maker of compact tractors that also exported to North America; from 1980 the brand belonged to Mitsubishi. The engines in the models gathered here come from Mitsubishi itself as well as from Isuzu and Mazda, and all versions run on diesel.

Read on 4 more paragraphs

The register lists here 5 versions with 13 to 28 kW (17 to 38 hp) from three- and four-cylinders and lift capacities from 499 to 1,470 kg.

Satoh tractors belong to the generation of small Japanese compact tractors that came to North America in the 1970s and 1980s and, alongside Kubota and Yanmar, supplied hobby farms, smallholdings and municipalities there; after the takeover by Mitsubishi the models ran alongside Mitsubishi's own compact tractors.

On used examples, engine condition, clutch and hydraulics count on these small three-cylinders, along with rust on the bodywork and mudguards; parts availability differs by engine origin – Mitsubishi, Isuzu or Mazda – and parts mostly run through dealers specialising in classics.

With lift capacities of 499 to 1,470 kg, these Satoh models fall into the smallest three-point hitch category under ISO 730 (Category 0 or I), designed for light implements such as mowers, rotary tillers or small ploughs rather than heavy tillage. Their PTO runs at the 540 rpm rated speed standard for this compact class.

Sources: SpecCodex register, model data: Satoh Mitsubishi (weitere Modelle)

Technical data

Engine

Engine makeMazdacorrect
Fueldieselcorrect
Power30 hp (22 kW)correct
Cylinders4correct
Displacement1.3 lcorrect
Coolingwater-cooledcorrect

Dimensions and weights

Wheelbase60.6 in (2WD); 75.4 in (MFWD)correct
Unladen weight2, 313 to 2, 675 lbscorrect

Drivetrain and chassis

Driveselectable four-wheel drivecorrect

Working data

Lifting capacity930 kgcorrect
Lifting capacity2050 lbs (929.9 kg)correct
Fuel tank capacity10.6 galcorrect

Origin and approval

PlantJapancorrect

Other data

Linkage categoryCat Icorrect
PTO speed540/1000correct
PredecessorSatoh Bison S-670correct
SuccessorMitsubishi MT670correct

Frequently asked questions

How much power does the Satoh Mitsubishi Bison S-670D have?

The Satoh Mitsubishi Bison S-670D delivers 30 hp.

What engine does the Satoh Mitsubishi Bison S-670D have?

4 cylinders, Diesel.

How much does the rear linkage of the Satoh Mitsubishi Bison S-670D lift?

The rear linkage lifts 930 kg.

When was the Satoh Mitsubishi Bison S-670D built?

Production years: 1980-1984.

What to check before buying

  • Check the hour meter against the service records — a replaced instrument is the most common gap.
  • Compare the data plate and chassis number with the papers.
  • Load the hydraulics and watch for sag.
  • Ask about parts availability for this build year — the running costs hang on it.

A general list for this type of machine — no substitute for an inspection or an appraiser.

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This page carries 20 individual figures for this model. They come from 1 recorded source; every figure can be traced there. What we cannot document is not here — we leave gaps open rather than estimate them.

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Sources: Tractor & Construction Plant Wiki (CC BY-SA 3.0) (retrieved August 2026) · Values adopted and presented in our own form; changes from the source are possible. · How we check the data

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