John Deere 644K Powerllel w/Q Coupler Wheel Loader

Bucket

Dump Clearance At Max Raise 9.16 ft in (2790 mm)
Bucket Capacity – Heaped 3.93 yd3 (3 m3)
Bucket Capacity – Struck 3.41 yd3 (2.6 m3)
Bucket Width 9.98 ft in (3040 mm)
Breakout Force 26519 lb (117.97 kN)

Dimensions

Ground Clearance 1.52 ft in (461 mm)
Length With Bucket On Ground 27.91 ft in (8504 mm)
Width Over Tires 9.43 ft in (2875 mm)
Height To Top Of Cab 11.26 ft in (3430 mm)
Wheelbase 10.7 ft in (3260 mm)
Hinge Pin – Max Height 13.51 ft in (4117 mm)
Reach At Max Lift And Dump 3.94 ft in (1200 mm)

Engine Details

Number Of Cylinders 6
Engine Make John Deere
Engine Model 6068H, Tier III certified
Net Power 232 hp (173.1 kw)
Power Measured @ 1700 rpm
Max Torque 749 lb ft (1016 Nm)
Displacement 414 cu in (6.8 L)
Torque Measured @ 1400 rpm
Aspiration Turbocharged charge air cooled
Torque Rise 55 %

Operational Specs

Operating Weight 43563.4 lb (19760 kg)
Fuel Tank Capacity 93 gal (352 L)
Hydraulic System Fluid Capacity 29.1 gal (110 L)
Engine Oil Fluid Capacity 6.5 gal (24.5 L)
Cooling System Fluid Capacity 7.8 gal (29.5 L)
Transmission Fluid Capacity 6.1 gal (23 L)
Front Axle/Diff Fluid Capacity 5.9 gal (22 L)
Rear Axle/Diff Fluid Capacity 5.9 gal (22 L)
Static Tipping Weight 29034.9 lb (13170 kg)
Turning Radius 18.3 ft in (5570 mm)
Operating Voltage 24 V
Alternator Supplied Amperage 80 amps
Rear Axle Oscillation 26 degrees
Tire Size 23.5 R25

Transmission

Transmission Type Countershaft, powershift
Number Of Forward Gears 4
Number Of Reverse Gears 3
Max Speed – Forward 22.8 mph (36.6 km/h)
Max Speed – Reverse 15.5 mph (24.9 km/h)

Hydraulic System

Relief Valve Setting 3650 psi (25165.9 kPa)
Pump Flow Capacity 81.9 gal/min (310 L/min)
Raise Time 6.1 sec
Dump Time 1.9 sec
Lower Time 2.8 sec
Pump Type Variable axial piston
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