Construction Machinery. Wheel-Mounted Loader John Deere 644D

Sizes

Radius at maximum lifting and unloading 933 mm
Length with bucket on ground level 7034.8 mm
Between tyres width 2605 mm
Height to cab upper part 3200.4 mm
Clearance 514 mm
Wheelbase 2920 mm
Hinge axis maximum height 3861.8 mm

Shovel

Breakout power 109 kN
Unloading ground clearance at maximum lifting 2970 mm
Shovel width 2660 mm
Bucket capacity with top 2.3 m3
Brimmed bucket capacity 1.9 m3

Operation

Working weight 13300 kg
Fuel Capacity 254 l.
Hydraulic system fluid volume 95 l.
Engine oil volume 19 l.
Cooling system fluid volume 28 l.
Transmission fluid volume 37 l.
Front axle / differential fluid volume 23 l.
Rear axle / differential fluid volume 23 l.
Static tipping weight 11435.1 kg
Turn radius 5029.2 mm
Operating voltage 12 V
Generator current strength 42 amperes
Rear axle oscillating 22 degrees
Tyre size 20.5-25

Motor

Manufacturer John Deere
Model 6-466T
Effective power 115.6 kW
Full power 123 kW
Power measured at 2200 rev / min
Displacement 7.6 l.
Torque measured at 1400 rev / min
Maximum torque 650.8 Nm
Cylinders number 6
Aspiration turbocharging

Hydraulic system

Type of pump gear type pump
Overflow valve pressure 18099 kPa
Pump bandwidth 238.5 l/min
Lifting time 6.1 sec
Unloading time 2 sec
Lowering time 4.3 sec

Gear box

Transmission type planetary powershift transmission
Forward gears number 4
Reverse gears number 2
Maximum forward speed 43.9 km/h
Maximum reverse gear 13.2 km/h

Images

Sizes

1. Length with bucket on ground level 7034.8 mm
2. Between tyres width 2605 mm
3. Height to cab upper part 3200.4 mm
4. Wheelbase 2920 mm
5. Clearance 514 mm
6. Hinge axis maximum height 3861.8 mm
8. Radius at maximum lifting and unloading 933 mm

Shovel

7. Unloading ground clearance at maximum lifting 2970 mm