Construction Machinery. Wheel-Mounted Loader John Deere 644B

Sizes

Length with bucket on ground level 6042 mm
Height to cab upper part 3240 mm
Clearance 505 mm
Wheelbase 2640 mm
Hinge axis maximum height 3657.6 mm
Radius at maximum lifting and unloading 879 mm

Shovel

Breakout power 108.1 kN
Unloading ground clearance at maximum lifting 2843.8 mm
Shovel width 2660 mm
Bucket capacity with top 1.9 m3
Brimmed bucket capacity 1.6 m3

Operation

Turn radius 4700 mm
Operating voltage 12 V
Generator current strength 42 amperes
Rear axle oscillating 22 degrees
Tyre size 14.5-25 / 20.5-25
Working weight 12746 kg
Fuel Capacity 211.9 l.
Hydraulic system fluid volume 66.2 l.
Engine oil volume 20.8 l.
Cooling system fluid volume 46.4 l.
Transmission fluid volume 36.9 l.
Front axle / differential fluid volume 22.7 l.
Rear axle / differential fluid volume 23.7 l.
Static tipping weight 10390 kg

Motor

Manufacturer John Deere
Effective power 108.1 kW
Full power 119.3 kW
Power measured at 2200 rev / min
Displacement 8.7 l.
Torque measured at 1500 rev / min
Cylinders number 6
Maximum torque 586 Nm
Aspiration turbocharging

Hydraulic system

Type of pump gear type pump
Overflow valve pressure 158.2 kPa
Pump bandwidth 220 l/min

Gear box

Transmission type planetary powershift transmission
Forward gears number 4
Reverse gears number 2
Maximum forward speed 41.5 km/h
Maximum reverse gear 16.4 km/h

Images

Sizes

1. Length with bucket on ground level 6042 mm
3. Height to cab upper part 3240 mm
4. Wheelbase 2640 mm
5. Clearance 505 mm
6. Hinge axis maximum height 3657.6 mm
8. Radius at maximum lifting and unloading 879 mm

Shovel

7. Unloading ground clearance at maximum lifting 2843.8 mm