Construction Machinery. Wheel-Mounted Loader John Deere 644H MH

Sizes

Length with bucket on ground level 7815 mm
Between tyres width 2874 mm
Height to cab upper part 3412 mm
Clearance 473 mm
Wheelbase 3200 mm
Hinge axis maximum height 4156 mm
Radius at maximum lifting and unloading 1055 mm

Shovel

Breakout power 152.8 kN
Unloading ground clearance at maximum lifting 2962 mm
Shovel width 3040 mm
Bucket capacity with top 3.4 m3
Brimmed bucket capacity 2.9 m3

Operation

Working weight 17657 kg
Fuel Capacity 341 l.
Hydraulic system fluid volume 117 l.
Engine oil volume 25 l.
Cooling system fluid volume 29 l.
Transmission fluid volume 26 l.
Front axle / differential fluid volume 27 l.
Rear axle / differential fluid volume 27 l.
Static tipping weight 14019 kg
Turn radius 5500 mm
Operating voltage 24 V
Generator current strength 55 amperes
Rear axle oscillating 26 degrees
Tyre size 23.5-25

Motor

Manufacturer John Deere
Model 6081H
Effective power 134 kW
Full power 158 kW
Power measured at 2200 rev / min
Displacement 8.1 l.
Torque measured at 1300 rev / min
Maximum torque 1010.1 Nm
Cylinders number 6
Torque increase 40 %
Aspiration Turbocharging with subsequent air cooling (by a cooling radiator)

Hydraulic system

Pump bandwidth 280 l/min
Lifting time 6 sec
Unloading time 1.2 sec
Lowering time 3 sec
Type of pump piston pump
Overflow valve pressure 24850 kPa

Gear box

Transmission type powershift
Forward gears number 4
Reverse gears number 3
Maximum forward speed 39 km/h
Maximum reverse gear 26.7 km/h

Images

Sizes

1. Length with bucket on ground level 7815 mm
2. Between tyres width 2874 mm
3. Height to cab upper part 3412 mm
4. Wheelbase 3200 mm
5. Clearance 473 mm
6. Hinge axis maximum height 4156 mm
8. Radius at maximum lifting and unloading 1055 mm

Shovel

7. Unloading ground clearance at maximum lifting 2962 mm