Industrial Tractor · 1974Unverified
John Deere 644B
John Deere 644B — Wheel Loader · 160 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
160 hp
Weight
12746 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.Reference
Engine
John Deere 8.7L 6-cyl dieselReference
Fuel tank212.0 LReference
Engine (gross)119.3 kWReference
Engine (net)108.1 kWReference
John DeereReference
turbocharged intercooled dieselReference
6-cylinderReference
liquid-cooledReference
Displacement8.7 LReference
Bore/Stroke121 x 127 mmReference
Power (net)108.1 kWReference
Power (gross)119.3 kWReference
Air cleanerdryReference
Rated RPM2200Reference
Torque585.8 NmReference
Torque RPM1500Reference
StarterelectricReference
Starter volts12Reference
Oil capacity22.7 LReference
Coolant capacity46.4 LReference
Transmission
4-speed power shiftReference
Typepower shiftReference
Gears4 forward and 2 reverseReference
PTO & Hydraulics
Typeopen centerReference
Pressure155.1 barReference
Pump flow236.6 lpmReference
Steering flow100.3 lpmReference
Steering press.162.0 barReference
Dimensions
Wheelbase264 cmReference
Weight12746 kgReference
Front tire20.5-25Reference
Rear tire20.5-25Reference
Industrial front20.5-25Reference
Industrial rear20.5-25Reference
Industrial front17.5-25Reference
Industrial rear17.5-25Reference
Length645 cmReference
Operating weight12746 kgReference
Ground clearance43 cmReference
Front tread203 cmReference
Rear tread203 cmReference
John Deere 644B attachments
front-end loaderReference
Electrical
Charging systemalternatorReference
Batteries2Reference
Battery volts12Reference
John Deere 644B Height
ROPS307 cmReference
Cab322 cmReference
Exhaust294 cmReference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.