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Tractor · 1955Unverified

J.I. Case 401

Name: J.I. Case 401
Brand: J.I. Case

J.I. Case 401 — 400 Series · 50 hp. Reference specifications; pending source verification.

The J.I. Case 401 is a 50 hp tractor, a compact option in its class. It was produced from 1955 to 1957. The tractor is equipped with a 4-cylinder diesel liquid-cooled engine, which drives through two-wheel drive via an 8-speed gearbox. Its listed weight ranges from 5850 to 6390 pounds, suitable for fields of approximately 200 acres.

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

Rated power

50 hp

Max power

25.0 kW

Weight

5850 to 6390 pounds

Catalogue coverage

Variants represented

Richest spec table

112 rows

Recorded power

50 hp

Transmissions

8-speed

Production years

1955-1957

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

Built in Racine, Wisconsin, USAReference

Total built5,696Reference

Original price$4,300 (1958)Reference

The J.I. Case 401 is the diesel row-crop model of the Case 400 tractor series. The 401 was available with a single front wheel, dual (tricycle style) front wheels, and an adjustable wide front axle.Reference

Two-wheel driveReference

SteeringmanualReference

Steeringpower optionalReference

Differential mechanical dry discs brakesReference

Open opertator station.Reference

Variants

400diesel standardReference

401diesel row-cropReference

402diesel vineyardReference

403diesel high-cropReference

405diesel orchardReference

411gasoline row-cropReference

420diesel industrialReference

Engine

J.I. Case 4.1L 4-cyl dieselReference

Belt (claimed)37.3 kWReference

Plows4 (14-inch)Reference

Drawbar (tested)25.0 kWReference

Belt (tested)36.8 kWReference

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

Belt power (max)36.8 kWReference

Max power25.0 kWReference

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. On tractors fitted with steel wheels high reverse plus gears 7 and 8 are locked out.Reference

Capacities

Fuel79.5 LReference

Steering3.5 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

Steering cap.3.5 LReference

TypeCase Eagle HitchReference

Rear PTOindependentReference

Rear PTO Type540 (1.375)Reference

Dimensions

Wheelbase232 cmReference

Wheelbase256 cmReference

Weight5850 to 6390 poundsReference

Front tire6.00-16Reference

Rear tire12-38Reference

Ag front6.00-16Reference

Ag rear12-38Reference

Ag front6.50-16 (single)Reference

Ag front9.00-10 (single)Reference

Ag rear13-38Reference

Ag rear54" (steel)Reference

Length362 cmReference

Length386 cmReference

Width216 cmReference

Width267 cmReference

Ground clearance61 cmReference

Front tread23 to 38 cmReference

Front tread134 to 208 cmReference

Rear tread132 to 223 cmReference

Rear tread132 to 274 cmReference

Shipping2653 kgReference

Shipping2772 kgReference

Operating2898 kgReference

Ballasted4474 kgReference

Steering wheel188 cmReference

401 Serial Number Location

Top-right of instrument panel.Reference

401 Serial Numbers

19558060000Reference

19568080001Reference

19578100001Reference

FAQ: How to read a serial number table.Reference

Electrical

GroundnegativeReference

Charging systemgeneratorReference

Charging volts12Reference

Batteries2Reference

Battery volts6Reference

Battery AH150Reference

J.I. Case 401 Height

Hood166 cmReference

Exhaust237 cmReference

Test results

Diesel 8-speed 2WDOctober 17 - 25, 1955Link: Nebraska Tractor Test 565 fileReference

Belt fuel use (max)11.7 l/hourReference

Drawbar performanceReference

Fuel use9.1 l/hourReference

Gear 5 used for power test.Reference

Max pull2729 kgReference

Gear 1 used for pull test.Reference

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.

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