Tractor · 1964Unverified
J.I. Case 931 GP
J.I. Case 931 GP — 30 Series · 85 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
85 hp
Max power
54.4 kW
Weight
4043 kg
Hover a source tag to verify
Overview
ManufacturerJ.I. CaseReference
Row-Crop tractorReference
Built in Racine, Wisconsin, USAReference
Original price$8,600 (1969)Reference
The Case 930 General Purpose tractor was introduced in 1964 by putting the engine from the 930 Comfort King into an 830 chassis, creating a row-crop version of the 930. In addition to the row-crop chassis, the 930 GP also uses an eight speed transmission instead of the six speed in the 930 standard.Reference
Two-wheel driveReference
Steeringpower assistReference
Differential mechanical dry disc brakesReference
Open operator station.Reference
Variants
930diesel standardReference
931diesel row-cropReference
940gas standardReference
941gas row-cropReference
Engine
J.I. Case 6.6L 6-cyl dieselReference
Fuel tank113.6 LReference
Fuel tank181.7 LReference
Belt (claimed)61.9 kWReference
Plows6Reference
Drawbar (tested)54.4 kWReference
J.I. CaseReference
dieselReference
6-cylinderReference
liquid-cooledReference
Displacement6.6 LReference
Bore/Stroke105 x 127 mmReference
Compression15.2:1Reference
Rated RPM1600Reference
Firing order1-5-3-6-2-4Reference
Starter volts12Reference
Power at rated engine speed63.7 kWReference
Max power54.4 kWReference
Transmission
8-speedReference
TransmissionDual-RangeReference
Gears8 forward and 2 reverseReference
Clutchdry discReference
PTO & Hydraulics
PTO (tested)63.7 kWReference
TypeDual-ControlReference
Valves1 or 2Reference
Pump flow56.8 lpmReference
Rear TypeIIReference
Rear PTOindependentReference
Rear PTO Type540/1000 (1.375)Reference
Power at rated PTO speed61.8 kWReference
Dimensions
Wheelbase274 cmReference
Weight4043 kgReference
Front tire7.50-15Reference
Rear tire18.4-34Reference
Ag front7.50-15Reference
Ag rear18.4-34Reference
Operating weight4043 kgReference
Ballasted weight6005 kgReference
Front tread136 to 211 cmReference
Rear tread162 to 243 cmReference
931 Serial Numbers
Location:Plate on instrument panelReference
19648229001Reference
19658253501Reference
19668279001Reference
19678306501Reference
19688332101Reference
19698356251Reference
FAQ: How to read a serial number table.Reference
Capacities
Diameter29 cmReference
Width20 cmReference
RPM1007Reference
Test results
Diesel 8-speed 2WDOctober 7 - 16, 1965Link: Nebraska Tractor Test 918 fileReference
PTO performanceReference
Fuel use23.8 l/hourReference
Fuel use23.1 l/hourReference
Drawbar performanceReference
Fuel use23.5 l/hourReference
Gear 4 used for power test.Reference
Max pull4560 kgReference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.
