Industrial Tractor · 1985Unverified
John Deere 644D
John Deere 644D — Wheel Loader · 165 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
165 hp
Weight
13299 kg
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 tank253.6 LReference
Engine (gross)123.0 kWReference
Engine (net)115.6 kWReference
John Deere 6-466TReference
turbocharged dieselReference
6-cylinderReference
liquid-cooledReference
Displacement7.6 LReference
Bore/Stroke116 x 121 mmReference
Power (net)115.6 kWReference
Power (gross)123.0 kWReference
Air cleanerdryReference
Rated RPM2200Reference
Torque650.9 NmReference
Torque RPM1400Reference
StarterelectricReference
Starter volts12Reference
Oil capacity18.9 LReference
Coolant capacity27.4 LReference
Transmission
4-speed power shiftReference
Typepower shiftReference
Gears4 forward and 2 reverseReference
PTO & Hydraulics
Typeopen centerReference
Pressure181.0 barReference
Pump flow238.5 lpmReference
Dimensions
Wheelbase292 cmReference
Weight13299 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
Length702 cmReference
Height (ROPS)320 cmReference
Height (exhaust)312 cmReference
Operating weight13299 kgReference
Front tread203 cmReference
Rear tread203 cmReference
John Deere 644D attachments
front-end loaderReference
Electrical
Charging systemalternatorReference
ROPS Charging amps42Reference
Cab Charging amps90Reference
Batteries2Reference
Battery CCA625Reference
Battery volts12Reference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.