Construction Machinery. Wheel-Mounted Loader John Deere 844J

Sizes

Clearance 452 mm
Wheelbase 3710 mm
Hinge axis maximum height 4600 mm
Radius at maximum lifting and unloading 1502 mm
Length with bucket on ground level 9600 mm
Height to cab upper part 3760 mm

Shovel

Breakout power 219.4 kN
Unloading ground clearance at maximum lifting 3360 mm
Shovel width 3459 mm
Bucket capacity with top 5.6 m3
Brimmed bucket capacity 4.7 m3

Operation

Working weight 30990 kg
Fuel Capacity 511 l.
Hydraulic system fluid volume 303 l.
Engine oil volume 38 l.
Cooling system fluid volume 38 l.
Transmission fluid volume 28 l.
Front axle / differential fluid volume 55 l.
Rear axle / differential fluid volume 59 l.
Static tipping weight 24104 kg
Turn radius 6303 mm
Operating voltage 24 V
Generator current strength 80 amperes
Rear axle oscillating 26 degrees
Tyre size 29.5 R25

Motor

Manufacturer John Deere
Model 6125H
Effective power 246 kW
Power measured at 1600 rev / min
Displacement 12.6 l.
Torque measured at 900 rev / min
Cylinders number 6
Maximum torque 1885 Nm
Torque increase 60 %
Aspiration Turbocharger with charge air cooler by oncoming air flow

Hydraulic system

Type of pump Variable Displacement Axial-Piston
Overflow valve pressure 24120 kPa
Pump bandwidth 640 l/min
Lifting time 5.9 sec
Unloading time 1.9 sec
Lowering time 3.5 sec

Gear box

Reverse gears number 3
Maximum forward speed 37.7 km/h
Maximum reverse gear 27.4 km/h
Transmission type automatic transmission system with power gear shifting
Forward gears number 4

Images

Sizes

1. Length with bucket on ground level 9600 mm
3. Height to cab upper part 3760 mm
4. Wheelbase 3710 mm
5. Clearance 452 mm
6. Hinge axis maximum height 4600 mm
8. Radius at maximum lifting and unloading 1502 mm

Shovel

7. Unloading ground clearance at maximum lifting 3360 mm