John Deere 644K Wheel Loader

Features

  • Net Engine Power: 173 kW (232 hp) at 1,700 rpm
  • Bucket Capacity: 3.2 m³ (4.25 cu. yd.)
  • Operating Weight: 18 682–19 091 kg (41,188–42,088 lb.)
  • Breakout Force: 13 782–15 378 kg (30,384–33,903 lb.) 

Secured keyless start. Advanced onboard diagnostics. Innovative Quad-Cool™ system with cool-on-demand swing-out fan. These and the many other features found in our 644K and 724K come from listening to customer needs and responding with exceptionally productive, durable, and versatile loaders. Check out the K-Series Loader line today. And be prepared to become an inspired customer yourself.

  • Engine: John Deere, 6068H, 6.8 litres
  • Emission Rating: EPA Tier 3/EU Stage IIIA
  • Engine Power: 173 kW (1,700 rpm)
  • Torque: 1,016 Nm (1,400 rpm)
  • Maximum Travel Speed:
    • Forward = 40 km/h (Gear 5)
    • Reverse = 28.8 km/h (Gear 3)
  • Hydraulic Cycle Times:
    • Raise = 6.4 sec
    • Dump = 1.6 sec
    • Lower = 3.0 sec
    • Total = 11.0 sec
  • Turning Radius: 5.57 m
  • Bucket Capacity: 3.1 – 3.2 m³
  • Operating Weight: 19,074 kg
  • Breakout Force: 13,664 kg