Tractor · 1955Unverified
J.I. Case 403
J.I. Case 403 — 400 Series · 50 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
50 hp
Weight
3039 kg
Hover a source tag to verify
Overview
ManufacturerJ.I. CaseReference
High-Clearance tractorReference
Built in Racine, Wisconsin, USAReference
Total built67Reference
Original price$5,000 (1958)Reference
Two-wheel driveReference
SteeringmanualReference
Steeringpower optionalReference
Mechanical dry discs brakesReference
Open operator station.Reference
Variants
400diesel standardReference
401diesel row-cropReference
402diesel vineyardReference
403diesel high-cropReference
405diesel orchardReference
413gasoline high-cropReference
420diesel industrialReference
Engine
J.I. Case 4.1L 4-cyl dieselReference
Belt (claimed)37.3 kWReference
Plows4 (14-inch)Reference
J.I. CaseReference
dieselReference
4-cylinder 8-valveReference
liquid-cooledReference
Displacement4.1 LReference
Bore/Stroke102 x 127 mmReference
Air cleaneroil bathReference
Pre-heatingether capsulesReference
Compression15:1Reference
Rated RPM1500Reference
Idle RPM600-1600Reference
Firing order1-3-4-2Reference
Starter volts12Reference
Coolant capacity28.0 LReference
Intake valve clearance0.305 mmReference
Exhaust valve clearance0.305 mmReference
Oil capacity8.5 LReference
Oil change120 hReference
Transmission
8-speedReference
TransmissionPowr-rangeReference
Gears8 forward and 2 reverseReference
Oil capacity56.8 LReference
Oil typeSAE 90Reference
Four gears plus reverse, with high and low ranges. All gears and ranges selected by a single lever. A "belt-neutral" position lies between the high and low ranges, intended for stationary work.Reference
Capacities
Fuel79.5 LReference
Diameter26 cmReference
Width18 cmReference
RPM1128Reference
Speed945.18 meters/minReference
PTO & Hydraulics
Hydraulic system8.5 LReference
Hydraulic system9.8 LReference
Capacity8.5 LReference
Capacity9.8 LReference
Pressure41.4 barReference
Valves2 (optional)Reference
Total flow45.4 lpmReference
TypeCase Eagle HitchReference
Rear PTOindependentReference
Rear PTO Type540 (1.375)Reference
Dimensions
Weight3039 kgReference
Front tire7.50-20Reference
Rear tire12-38Reference
Ag front7.50-20Reference
Ag rear12-38Reference
Ag rear13-38Reference
Front tread138 to 201 cmReference
Rear tread152 to 228 cmReference
403 Serial Numbers
Location:Top-right of instrument panel.Reference
19558060000Reference
19568080001Reference
19578100001Reference
FAQ: How to read a serial number table.Reference
Electrical
GroundnegativeReference
Charging systemgeneratorReference
Charging volts12Reference
Batteries2Reference
Battery volts6Reference
Battery AH150Reference
Speeds
With 12-38 rear tires.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.