John Deere 644K High-Lift Wheel Loader

SKU: 644K High-Lift Category: ,
Weights
Operating Weight

40798.8 lb

Static Tipping Weight

26958.2 lb

Platform
Lower Time

3sec

Boom / Stick / Bucket
Bucket Capacity - Heaped

4.25 yd3

Bucket Capacity - Struck

3.7 yd3

Breakout Force

30384 lb

Engine & Fuel System
Engine Make

2240

Engine Model

6068H, Tier III certified

Engine Oil Fluid Capacity

6.5 gal

Fuel Capacity

93 gal

Max Torque

749 lb ft

Torque Measured @

1400 rpm

Torque Rise

55%

Net Power

232 hp

Number Of Cylinders

6

Power Measured @

1700 rpm

Aspiration

turbocharged charge air cooled

Cooling System Fluid Capacity

7.8 gal

Displacement

414 cu in

Hydraulic System
Pump Flow Capacity

81.9 gal/min

Pump Type

variable axial-piston

Relief Valve Setting

3650 psi

Dimensions, Wheels & Tires
Tire Size

23.5 R25

Wheelbase

10.7 ft in

Width Over Tires

9.43 ft in

Dump Clearance At Max Raise

10.77 ft in

Ground Clearance

1.34 ft in

Turning Radius

18.3 ft in

Height To Top Of Cab

11.09 ft in

Battery & Electrical System
Alternator Supplied Amperage

80 A

Operating Voltage

24 V

Transmission
Transmission Fluid Capacity

6.1 gal

Transmission Type

Countershaft powershift

Max Speed - Forward

22.8 mph

Max Speed - Reverse

15.5 mph

Number Of Forward Gears

4

Number Of Reverse Gears

3

Technical Specs
Bucket Width

9.98 ft in

Length With Bucket On Ground

28.25 ft in

Hinge Pin - Max Height

14.74 ft in

Reach At Max Lift And Dump

3.67 ft in

Rear Axle/Diff Fluid Capacity

5.9 gal

Rear Axle Oscillation

26 degrees

Raise Time

5.5sec

Dump Time

1.4sec