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Industrial Tractor · 1972Unverified

J.I. Case 644

Name: J.I. Case 644
Brand: J.I. Case

J.I. Case 644 — 600 Series · 14 hp. Reference specifications; pending source verification.

The J.I. Case 644 is an industrial tractor with a rated output of 14 hp — making it one of the more compact options in its class. The 644 was produced from 1972 to 1979. Power comes from a 1-cylinder petrol air-cooled engine, driving through two-wheel drive. Listed weight is 512 kg, and it is aimed at jobs of around up to 200 ac. Recorded specifications in UK and US units are listed below.

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

Rated power

14 hp

Weight

512 kg

Catalogue coverage

Variants represented

Richest spec table

62 rows

Recorded power

14 hp

Recorded weight

512 kg

Production years

1972-1979

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

Industrial tractorReference

Two-wheel driveReference

Manual steeringReference

Mechanical band brakesReference

Open operator station.Reference

Engine

Kohler 0.5L 1-cyl gasolineReference

Engine10.4 kWReference

Kohler K321Reference

gasolineReference

1-cylinderReference

air-cooled horizontal-shaftReference

Displacement0.5 LReference

Bore/Stroke89 x 83 mmReference

Power10.4 kWReference

Compression6:1Reference

Rated RPM3600Reference

StarterelectricReference

Starter volts12Reference

Sparkplug gap0.635 mmReference

Point gap0.508 mmReference

Intake valve clearance0.254 mmReference

Exhaust valve clearance0.508 mmReference

Oil capacity1.4 LReference

Oil change25 hReference

Transmission

hydraulic driveReference

TransmissionHy-DriveReference

Typehydraulic driveReference

Gearsinfinite forward and reverse (2-range)Reference

Capacities

Fuel18.9 LReference

PTO & Hydraulics

Hydraulic system11.4 LReference

Typeopen centerReference

Capacity11.4 LReference

Pressure158.6 barReference

Pump flow34.1 lpmReference

Rear Type0Reference

Dimensions

Wheelbase121 cmReference

Weight512 kgReference

Front tire5.70-8Reference

Rear tire27x8.50-15Reference

Industrial front5.70-8Reference

Industrial rear27x8.50-15Reference

Length274 cmReference

Width104 cmReference

Height (steering wheel)109 cmReference

Weight512 kgReference

Ground clearance20 cmReference

Front tread75 cmReference

Rear tread82 cmReference

J.I. Case 644 attachments

44" mid-mount mower deckReference

48" mid-mount mower deckReference

front-end loaderReference

644 Serial Numbers

Location:Serial number plate on left side of tractor, just ahead of steering column.Reference

Electrical

GroundnegativeReference

Charging systemstarter-generatorReference

Charging systemflywheel alternatorReference

Charging volts12Reference

Battery volts12Reference

Battery AH32Reference

Attachment overview

44" mid-mount mower deckReference

48" mid-mount mower deckReference

Front-end loaderReference

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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