Industrial Tractor · 1992Unverified
John Deere 644G
John Deere 644G — Wheel Loader · 178 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
178 hp
Weight
15983 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 canopy. Cab available with optional air-conditioning.Reference
Engine
John Deere 7.6L 6-cyl dieselReference
Fuel tank283.9 LReference
Engine (gross)132.7 kWReference
Engine (net)126.8 kWReference
John Deere 6076AReference
turbocharged aftercooled dieselReference
6-cylinderReference
liquid-cooledReference
Displacement7.6 LReference
Bore/Stroke116 x 121 mmReference
Power (net)126.8 kWReference
Power (gross)132.7 kWReference
Air cleanerdryReference
Rated RPM2200Reference
Torque810.9 NmReference
Torque RPM1300Reference
StarterelectricReference
Starter volts12Reference
Oil capacity23.7 LReference
Coolant capacity2839.2 LReference
Transmission
4-speed power shiftReference
Typepower shiftReference
Gears4 forward and 3 reverseReference
PTO & Hydraulics
Typeopen centerReference
Pressure206.8 barReference
Pump flow263.1 lpmReference
Dimensions
Wheelbase320 cmReference
Weight15983 kgReference
Front tire20.5-25Reference
Rear tire20.5-25Reference
Industrial front20.5-25Reference
Industrial rear20.5-25Reference
Industrial front23.5-25Reference
Industrial rear23.5-25Reference
Length788 cmReference
Width273 cmReference
Height (cab)342 cmReference
Height (exhaust)315 cmReference
Operating weight15983 kgReference
Front tread216 cmReference
Rear tread216 cmReference
John Deere 644G attachments
front-end loaderReference
Electrical
GroundnegativeReference
Charging systemalternatorReference
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.