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Tractor · 1977Unverified

Yanmar YM240

Name: Yanmar YM240
Brand: Yanmar

Yanmar YM240 — Compact Utility tractor · 20 hp. Reference specifications; pending source verification.

The Yanmar YM240 is a tractor with a rated power of 20 hp, positioning it in the lighter end of its class. It was manufactured between 1977 and 1981. It features a 2-cylinder diesel liquid-cooled engine and four-wheel drive with an 8-speed gearbox. Its listed operating weight ranges from 1698 to 1931 pounds, with an operational capacity of up to 200 acres.

Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.

Rated power

20 hp

Max power

12.3 kW

Weight

1698 to 1931 pounds

Catalogue coverage

Variants represented

Richest spec table

82 rows

Recorded power

20 hp

Recorded weight

770 kg

Transmissions

8-speed gear

Production years

1977-1981

Verified variants

No linked source document is currently displayed; verify critical figures with the manufacturer or dealer.

Hover a source tag to verify

Overview

ManufacturerYanmarReference

Compact Utility tractorReference

Built in JapanReference

Original price was $6,000 in 1981Reference

Two- or four-wheel driveReference

Manual steeringReference

Mechanical internal expansion brakesReference

Open operator station.Reference

Variants

YM2402WDReference

YM240D4WDReference

Engine

Yanmar 1.1L 2-cyl dieselReference

Fuel tank22.0 LReference

Engine17.9 kWReference

Drawbar (claimed)12.3 kWReference

Drawbar (tested)12.3 kWReference

Yanmar 2TR20AXReference

dieselReference

2-cylinderReference

liquid-cooledReference

Displacement1.1 LReference

Bore/Stroke90 x 90 mmReference

Power17.9 kWReference

Compression20:1Reference

Rated RPM2400Reference

Torque63.6 NmReference

Torque RPM1800Reference

Starter volts12Reference

Power at rated engine speed14.7 kWReference

Max power12.3 kWReference

Transmission

8-speed gearReference

TypegearReference

Gears8 forward and 2 reverseReference

Clutchdry discReference

Four gears, plus reverse, in two ranges. Tractor must be stopped, and clutch used, to shift gears or range.Reference

PTO & Hydraulics

PTO (claimed)14.8 kWReference

PTO (tested)14.7 kWReference

Typeopen centerReference

Pressure152.0 barReference

Rear TypeIReference

Rear PTOtransmissionReference

ClutchoverrunningReference

Rear PTO Type540/1000Reference

Engine RPM540@2200Reference

Engine RPM1000@2200Reference

Front PTOoptionalReference

Power at rated PTO speed14.0 kWReference

Dimensions

2WD Wheelbase149 cmReference

4WD Wheelbase156 cmReference

Weight1698 to 1931 poundsReference

Front tire4.00-15Reference

Rear tire9.5-24Reference

Ag front4.00-15 (2WD)Reference

Ag front6.00-14 (4WD)Reference

Ag rear9.5-24 (2WD)Reference

Ag rear11.2-24 (4WD)Reference

Ag front5.00-15Reference

Ag rear11.2-24Reference

Lawn/turf front20x8.00-10 (2WD)Reference

Lawn/turf front27/8.50-15 (4WD)Reference

Lawn/turf rear13.6-16 (2WD)Reference

Lawn/turf rear11.2-24 (4WD)Reference

Length282 cmReference

Width123 cmReference

2WD Weight770 kgReference

4WD Weight875 kgReference

Front tread84 cmReference

Rear tread100 cmReference

2WD Steering wheel136 cmReference

4WD Steering wheel137 cmReference

Electrical

GroundnegativeReference

Charging systemgeneratorReference

Battery volts12Reference

Yanmar YM240 Height

2WD Exhaust183 cmReference

4WD Exhaust186 cmReference

Test results

Diesel 8-speed 2WDNovember 24, 1975 - January 5, 1976Link: Nebraska Tractor Test 1199 fileReference

PTO performanceReference

Fuel use4.9 l/hourReference

Fuel use4.5 l/hourReference

Drawbar performanceReference

Gear 3-H used for power test.Reference

Max pull1062 kgReference

Gear 1-H used for pull test.Reference

Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.

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