Construction Machinery. Wheel-Mounted Loader John Deere 644EH

Sizes

Height to cab upper part 3400 mm
Clearance 500 mm
Wheelbase 3200 mm
Hinge axis maximum height 4010 mm
Radius at maximum lifting and unloading 1003 mm
Length with bucket on ground level 7850 mm
Between tyres width 2729 mm

Shovel

Breakout power 152.4 kN
Unloading ground clearance at maximum lifting 2911 mm
Shovel width 2900 mm
Bucket capacity with top 2.9 m3
Brimmed bucket capacity 2.4 m3

Operation

Static tipping weight 13352 kg
Turn radius 5420 mm
Operating voltage 12 V
Generator current strength 65 amperes
Rear axle oscillating 26 degrees
Tyre size 20.5-25
Working weight 16015 kg
Fuel Capacity 284 l.
Hydraulic system fluid volume 115 l.
Engine oil volume 24 l.
Cooling system fluid volume 28.5 l.
Transmission fluid volume 13 l.
Front axle / differential fluid volume 23 l.
Rear axle / differential fluid volume 23 l.

Motor

Manufacturer John Deere
Model 6076A
Effective power 138 kW
Full power 144 kW
Power measured at 2200 rev / min
Displacement 7.6 l.
Torque measured at 1400 rev / min
Cylinders number 6
Maximum torque 705 Nm
Aspiration turbocharging

Hydraulic system

Type of pump gear type pump
Overflow valve pressure 19650 kPa
Pump bandwidth 247.9 l/min
Lifting time 6.2 sec
Unloading time 1.9 sec
Lowering time 3.5 sec

Gear box

Transmission type powershift
Forward gears number 4
Reverse gears number 3
Maximum forward speed 41 km/h
Maximum reverse gear 26.4 km/h

Images

Sizes

1. Length with bucket on ground level 7850 mm
2. Between tyres width 2729 mm
3. Height to cab upper part 3400 mm
4. Wheelbase 3200 mm
5. Clearance 500 mm
6. Hinge axis maximum height 4010 mm
8. Radius at maximum lifting and unloading 1003 mm

Shovel

7. Unloading ground clearance at maximum lifting 2911 mm