John Deere Wheel Loader 644K Hybrid

Easy and efficient.

Whether your operators are jobsite veterans or just getting their boots dirty, the 644K Hybrid Loader will make them more productive and efficient. The hybrid-electric powertrain with reduced mechanical complexity delivers amazing responsiveness for efficient stockpiling, ramp climbing, and truck loading. And it consumes an average of 25% less fuel than our conventional 644K Loader with lockup torque converter.* The 644K Hybrid Loader — taking John Deere productivity, uptime, and low daily operating costs to the next level.
*Composite fuel consumption in internal tests across various stockpiling, truck loading, transport, and idle applications.


Manufacturer:John Deere Construction
Model:644K Hybrid
Model year:2017
Brand:John Deere
Msrp:Request a Quote
Length:27 ft. 11 in. (8,500 mm)
Height:11 ft. 3 in. (3,430 mm) to top of cab
Weight:44,703 lbs. (20,277 kg)
Wheelbase:10 ft. 8 in. (3,260 mm)
Ground Clearance:18.1 in. (461 mm)
Transmission Type:Powershift with hybrid-electric drive
Brakes:Wet disc
Tires:23.5 R25
Engine Type:Interim Tier 4
Engine Make:John Deere
Engine Model:PowerTech PSX 6068
Net Horsepower:229 hp (171 kW) @ 1,700 rpm
Displacement:414 ci (6.8 l)
Torque:730 ft. lbs. (991 Nm)
Fuel Tank Capacity:105 gal. (397 l)
Hydraulic System:Axial piston pump; 3,650 psi (25,166 kPa) pressure
Hydraulic Reserve:28 gal. (106 l)
Std Pump Flow:78 gpm (297 lpm)
Tipping Load:30,433 lbs. (13,804 kg) straight; 26,469 lbs. (12,006 kg) full turn
Bucket Capacity:4.25 cu. yd. (3.2 m³) max.
Height to Bucket Pin:13 ft. 6 in. (4,120 mm)
Bucket Breakout Force:30,419-34,039 lbs. (13,798-15,440. kg)
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