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John Deere Wheel Loader 644K Powerllel (Hybrid-Drive)

John Deere Wheel Loader 644K Powerllel (Hybrid-Drive)
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.

ENGINE
Engine Make / Engine Model John Deere / PowerTech PSX 6068
Emission Rating Interim Tier 4
Net Power, kW (hp) @ Rated rpm 171 (229) @ 1700
Displacement, L (cu in) 6.8 (414)
Net Peak Torque, N-m (lb-ft) 991 (730)
Calculated % Torque Rise 19
ELECTRICAL
Voltage 24
Alternator amps 100
TRANSMISSION
Type Powershift w/Hybrid-Electric Drive
Max. Travel Speed - fwd, kph (mph) 40 (24.9)
Max. Travel Speed - rev, kph (mph) 40 (24.9)
DIFFERENTIAL
Traction Device - Front / Rear F: 100 / R: Open
FINAL DRIVE
Front Axle Type Planetary
Rear Axle Type Planetary
SERVICE BRAKES
Service Brakes Type Wet Disc
Service brake location Axle Inboard
Service brake actuation Hydraulic
HYDRAULIC SYSTEM
Pump Type Axial Piston Pump
Pump Flow, L/min (gpm) 310 (82)
System Pressure, kPa (psi) 25166 (3650)
LOADER AND BUCKET
Bucket Capacity Min., cu m (cu yd) 3.1 (4)
Bucket Capacity Max., cu m (cu yd) 3.1 (4)
Breakout Force, Std Bucket, kN (lb) 117.9 (26519)
Ride Control Yes
SPECIFICATIONS BASED ON
Std Bucket Size, cu m (cu yd) 3.1 (4)
Tire Size Standard 23.5 R25
TIPPING LOAD
Straight, kg (lb) 12060 (26587)
Full Turn, kg (lb) 10415 (22962)
DIMENSIONS
Height of Hinge Pin, mm (ft in) 4120 (13 ft 6 in)
Dump Clear @ 45 deg, mm (ft in) 2790 (9 ft 2 in)
Reach @ 7', mm (ft in) 1740 (5 ft 9 in)
Reach @ Full Height, mm (ft in) 1200 (3 ft 11 in)
Wheelbase, mm (ft in) 3260 (10 ft 8 in)
Clearance Circle, mm (ft in) 13360 (43 ft 10 in)
Overall Length, mm (ft in) 8500 (27 ft 11 in)
Height to Top of Cab, mm (ft in) 3430 (11 ft 3 in)
Ground Clearance, mm (in) 461 (18.1)
CAPACITIES
Fuel Tank, L (gal) 397 (105)
Hydraulic Reservoir, L (gal) 106 (28)
WEIGHT
SAE Operating Weight, kg (lb) 19974 (44035)
Metric Ton Weight, kg (lb) 19.974 (44.035)

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