John Deere 644H MH Wheel Loader

John Deere 644H MH Wheel Loader

Wheel Loader // John Deere

John Deere 644H MH Bucket
Breakout Force: 34340 lbs (15,577 kg)
Bucket Capacity - heaped: 4.5 cu yds (3 m)
Bucket Capacity - struck: 3.8 cu yds (3 m)
Bucket Width: 10 ft (3 m)
John Deere 644H MH Dimensions
Dump Clearance at Max Raise: 9.8 ft (3 m)
Ground Clearance: 1.6 ft (0 m)
Height - Top of Cab: 11.2 ft (3 m)
Hinge Pin - Max Height: 13.7 ft (4 m)
Length with Bucket on Ground: 25.7 ft (8 m)
Reach at Max Lift and Dump: 3.5 ft (1 m)
Wheelbase: 10.5 ft (3 m)
Width Over Tires: 9.5 ft (3 m)
John Deere 644H MH Engine
Aspiration: Turbocharger with Aftercooler
Displacement: 496 cu in (0 m)
Engine Model: 6081H
Gross Power: 212 hp (158 kw)
Net Power: 180 hp (134 kw)
Number of Cylinders: 6.0
Power Measured @: 2200 rpm
Torque Measured @: 1300 rpm
Torque Rise: 0.4
John Deere 644H MH Hydraulic System
Dump Time: 1.2 sec
Lower Time: 3 sec
Pump Flow Capacity: 74 gal/min (280 l/min)
Pump Type: Piston Pump
Raise Time: 6 sec
Relief Valve Setting: 3600 psi
John Deere 644H MH Operating Specifications
Alternator Supplied Amperage: 55 A
Cooling System Fluid Capacity: 7.7 gal (29 l)
Engine Oil Fluid Capacity: 6.7 gal (25 l)
Front Axle/Diff Fluid Capacity: 7.2 gal (27 l)
Fuel Capacity: 90 gal (341 l)
Hydraulic System Fluid Capacity: 31 gal (117 l)
Operating Voltage: 24 V V
Operating Weight: 38927 lbs (17,657 kg)
Rear Axle Oscillation: 26 °
Rear Axle/Diff Fluid Capacity: 7.2 gal (27 l)
Static Tipping Weight: 30906 lbs (14,019 kg)
Tire Size: 23.5-25
Transmission Fluid Capacity: 18.1 ft (6 m)
Turning Radius: 6.9 gal (26 l)
Max Speed - Forward: 18.1 ft (6 m)
John Deere 644H MH Transmission
Max Speed - Reverse: 24 mph (39 kph)
Number of Forward Gears: 16.4 mph (26 kph)
Number of Reverse Gears: 4.0
Transmission Type: 3.0
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