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Tractor · 1960Unverified

J.I. Case 640

Name: J.I. Case 640
Brand: J.I. Case

J.I. Case 640 — 630 Series · 50 hp. Reference specifications; pending source verification.

The J.I. Case 640 tractor has a rating of approximately 50 hp, positioning it within the lower power range of its class. Produced from 1960 to 1963, this model features a 4-cylinder diesel liquid-cooled engine and two-wheel drive with an 8-speed gearbox. It has a listed operating weight of 2041 kg and is capable of operating on areas of up to 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

32.3 kW

Weight

2041 kg

Catalogue coverage

Variants represented

Richest spec table

86 rows

Recorded power

50 hp

Recorded weight

2041 kg

Transmissions

8-speed torque converter

Production years

1960-1963

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

Utility tractorReference

FactoriesRock Island, Illinois, USAReference

FactoriesRacine, Wisconsin, USAReference

Original price$3,900Reference

Two-wheel driveReference

Steeringpower assistReference

Differential mechanical dry disc brakesReference

Open operator station.Reference

Variants

630diesel standardReference

631diesel row-cropReference

640gas standardReference

641gas row-cropReference

Engine

J.I. Case 3.1L 4-cyl gasolineReference

J.I. Case 3.1L 4-cyl LP gasReference

Fuel tank83.3 LReference

Belt (claimed)38.8 kWReference

Drawbar (tested)32.3 kWReference

J.I. CaseReference

gasolineReference

4-cylinderReference

liquid-cooledReference

Displacement3.1 LReference

Bore/Stroke97 x 105 mmReference

Air cleaneroil bathReference

Compression7.34:1Reference

Rated RPM2000Reference

Rated RPM2250 (640C)Reference

Starter volts12Reference

LP gasReference

Rated RPM2250Reference

Power at rated engine speed37.1 kWReference

Max power32.3 kWReference

Power at rated engine speed37.7 kWReference

Max power31.3 kWReference

Transmission

8-speed torque converterReference

12-speedReference

8-speedReference

4-speed gearReference

TransmissionCase Case-o-maticReference

Typetorque converterReference

Gears8 forward and 2 reverseReference

Clutchhydraulic wet discReference

Tractors equipped with the Case-o-Matic were sometimes referred to as the 630C.Reference

TransmissionCase Tripl-RangeReference

Gears12 forward and 3 reverseReference

Clutchdry discReference

TransmissionCase Dual-RangeReference

Gears8 forward and reverseReference

TypegearReference

Gears4 forward and 1 reverseReference

PTO & Hydraulics

PTO (tested)37.7 kWReference

TypeDual-ControlReference

TypeCase Eagle HitchReference

Rear PTOcontinuousReference

Rear PTOindependent (Case-o-matic)Reference

Rear PTO Type540 (1.375)Reference

Rear PTO Type540/1000 (1.375)Reference

Power at rated PTO speed34.9 kWReference

Power at rated PTO speed37.1 kWReference

Dimensions

Weight2041 kgReference

Front tire7.50-16Reference

Rear tire16.9-28Reference

Ag front7.50-16Reference

Ag rear16.9-28Reference

Front tread132 cmReference

Rear tread121 to 193 cmReference

640 Serial Number Location

Serial number plate on the right side of the instrument panel.Reference

Capacities

Diameter23 cmReference

Width15 cmReference

Test results

NTTL 773: gasoline Case-o-Matic 2WDReference

NTTL 770: gasoline 12-speed 2WDReference

Gasoline Case-o-Matic 2WDOctober 11 - 22, 1960Link: Nebraska Tractor Test 773 fileReference

PTO performanceReference

Fuel use16.7 l/hourReference

Fuel use14.8 l/hourReference

Drawbar performanceReference

Gear 5 used for power test.Reference

Max pull3130 kgReference

Gear 1 used for pull test.Reference

Gasoline 12-speed 2WDOctober 13 - 27, 1960Link: Nebraska Tractor Test 770 fileReference

Fuel use15.9 l/hourReference

Fuel use15.5 l/hourReference

Fuel use15.1 l/hourReference

Gear 7 used for power test.Reference

Max pull3117 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.

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