Tractor · 1960Unverified
J.I. Case 731
J.I. Case 731 — 730 Series · 57 hp. Reference specifications; pending source verification.
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
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.