Search/Industrial Tractor/John Deere/644C

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Industrial Tractor · 1981Unverified

John Deere 644C

Name: John Deere 644C
Brand: John Deere

John Deere 644C — Wheel Loader · 167 hp. Reference specifications; pending source verification.

The John Deere 644C is a powerful industrial tractor model, boasting a rated power of 167 hp. It was manufactured from 1981 to 1984. This model features a 6-cylinder turbocharged intercooled diesel liquid-cooled engine, paired with four-wheel drive and a powershift transmission. The tractor's listed operating weight is 12943 kg, making it suitable for operations spanning 600–1,500 acres.

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

Rated power

167 hp

Weight

12943 kg

Catalogue coverage

Variants represented

Richest spec table

56 rows

Recorded power

167 hp

Recorded weight

12943 kg

Transmissions

4-speed power shift

Production years

1981-1984

Verified variants

1 linked source document displayed

Hover a source tag to verify

Overview

ManufacturerJohn DeereReference

Wheel LoaderReference

Four-wheel driveReference

Final drivesinboard planetaryReference

Articulated power steeringReference

Hydraulic wet disc brakesReference

Four-post ROPS with canopy. Cab optional with available air-conditioning.Reference

Engine

John Deere 7.6L 6-cyl dieselReference

Fuel tank212.0 LReference

Engine (gross)124.5 kWReference

Engine (net)113.3 kWReference

John DeereReference

turbocharged intercooled dieselReference

6-cylinderReference

liquid-cooledReference

Displacement7.6 LReference

Bore/Stroke116 x 121 mmReference

Power (net)113.3 kWReference

Power (gross)124.5 kWReference

Air cleanerdryReference

Rated RPM2200Reference

Torque640.0 NmReference

Torque RPM1300Reference

StarterelectricReference

Starter volts12Reference

Oil capacity18.9 LReference

Coolant capacity446.7 LReference

Transmission

4-speed power shiftReference

Typepower shiftReference

Gears4 forward and 2 reverseReference

PTO & Hydraulics

Typeopen centerReference

Pressure181.0 barReference

Pump flow219.5 lpmReference

Dimensions

Wheelbase292 cmReference

Weight12943 kgReference

Front tire20.5-25Reference

Rear tire20.5-25Reference

Industrial front20.5-25Reference

Industrial rear20.5-25Reference

Industrial front16.00-24Reference

Industrial front23.5-25Reference

Industrial rear16.00-24Reference

Industrial rear23.5-25Reference

Length689 cmReference

Width255 cmReference

Height (ROPS)317 cmReference

Height (exhaust)312 cmReference

Operating weight12943 kgReference

Front tread203 cmReference

Rear tread203 cmReference

John Deere 644C attachments

front-end loaderReference

Electrical

Charging systemalternatorReference

Batteries3Reference

Battery CCA625Reference

Battery volts12Reference

Battery GroupBCI 31Reference

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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