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Tractor · 1960Unverified

J.I. Case 731

Name: J.I. Case 731
Brand: J.I. Case

J.I. Case 731 — 730 Series · 57 hp. Reference specifications; pending source verification.

The J.I. Case 731 is a compact tractor rated at 57 horsepower, making it suitable for smaller-scale operations. Manufactured from 1960 to 1969, this model features a 4-cylinder diesel liquid-cooled engine, which drives a two-wheel drive system via an 8-speed gearbox. The listed weight of the J.I. Case 731 is 3218 kg, and it is intended for use on areas of approximately 200 acres.

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

Rated power

57 hp

Max power

36.0 kW

Weight

3218 kg

Catalogue coverage

Variants represented

Richest spec table

91 rows

Recorded power

57 hp

Recorded weight

3218 kg

Transmissions

8-speed torque converter

Production years

1960-1969

Verified variants

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

Hover a source tag to verify

Overview

ManufacturerJ.I. CaseReference

Row-Crop tractorReference

Original price$6,900 (1969)Reference

Two-wheel driveReference

SteeringmanualReference

Steeringpower optionalReference

Differential disc brakesReference

Open operator station.Reference

Variants

730standard-front dieselReference

731row-crop dieselReference

732Western Special dieselReference

733high-clearance dieselReference

734orchard dieselReference

740standard-front gasReference

741row-crop gasReference

742Western Special gasReference

743high-clearance gasReference

744orchard gasReference

Engine

J.I. Case 4.4L 4-cyl dieselReference

Fuel tank83.3 LReference

Plows5Reference

Drawbar (tested)36.0 kWReference

J.I. CaseReference

dieselReference

4-cylinderReference

liquid-cooledReference

Displacement4.4 LReference

Bore/Stroke105 x 127 mmReference

Air cleaneroil bathReference

Compression15.2:1Reference

Rated RPM1700 (Dual-Range)Reference

Rated RPM1900 (Case-o-Matic)Reference

Starter volts12Reference

Coolant capacity7.1 LReference

Power at rated engine speed42.1 kWReference

Max power36.0 kWReference

Power at rated engine speed42.1 kWReference

Max power36.0 kWReference

Transmission

8-speed torque converterReference

8-speed unsynchronizedReference

TransmissionCase-o-maticReference

Typetorque converterReference

Gears8 forward and 2 reverseReference

TransmissionDual-RangeReference

TypeunsynchronizedReference

Clutchmechanical dry discReference

PTO & Hydraulics

PTO (tested)42.1 kWReference

Typeopen centerReference

Valves1Reference

Rear TypeIIReference

TypeCase Eagle HitchReference

Rear PTOindependentReference

Rear PTO Type540Reference

Rear PTO Type1000Reference

Power at rated PTO speed39.9 kWReference

Dimensions

Wheelbase210 cmReference

Weight3218 kgReference

Front tire6.00-16Reference

Rear tire13.6-38Reference

Ag front6.00-16Reference

Ag rear13.6-38Reference

Operating weight3218 kgReference

Ballasted weight4320 kgReference

J.I. Case 731 attachments

front-end loaderReference

731 Serial Numbers

Location:Plate on instrument panelReference

19608160001Reference

19618168801Reference

19628190001Reference

19638208001Reference

19648229001Reference

19658253501Reference

19668279001Reference

19678306501Reference

19688332101Reference

19698356251Reference

FAQ: How to read a serial number table.Reference

Test results

NTTL 742: diesel Case-O-Matic 2WDReference

NTTL 743: diesel 8-speed 2WDReference

Diesel Case-O-Matic 2WDApril 19 - May 6, 1960Link: Nebraska Tractor Test 742 fileReference

PTO performanceReference

Fuel use16.3 l/hourReference

Fuel use14.8 l/hourReference

Drawbar performanceReference

Fuel use15.9 l/hourReference

Gear 4 used for power test.Reference

Max pull3339 kgReference

Gear 2-Torque used for pull test.Reference

Diesel 8-speed 2WDApril 21 - May 6, 1960Link: Nebraska Tractor Test 743 fileReference

Fuel use14.4 l/hourReference

Max pull3416 kgReference

Gear 2 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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