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John Deere Wheel Loader 644K (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)
3.2 (4.25)
Breakout Force, Std Bucket, kN (lb)
150.8 (33903)
Ride Control
Yes
SPECIFICATIONS BASED ON
Std Bucket Size, cu m (cu yd)
3.2 (4.25)
Tire Size Standard
23.5 R25
TIPPING LOAD
Straight, kg (lb)
14089 (31061)
Full Turn, kg (lb)
12243 (26991)
DIMENSIONS
Height of Hinge Pin, mm (ft in)
4120 (13 ft 6 in)
Dump Clear @ 45 deg, mm (ft in)
2910 (9 ft 7 in)
Reach @ 7', mm (ft in)
1610 (5 ft 3 in)
Reach @ Full Height, mm (ft in)
1060 (3 ft 6 in)
Wheelbase, mm (ft in)
3260 (10 ft 8 in)
Clearance Circle, mm (ft in)
not published
Overall Length, mm (ft in)
8100 (26 ft 7 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)
18341 (40435)
Metric Ton Weight, kg (lb)
18.341 (40.435)
Save Hundreds on Your Rentals
Fill out our form - takes 30 seconds - Enjoy Competing Quotes
Select Equipment Type
Aerial Lifts
Backhoe Loaders
Bulldozers
Compact Track Loader
Excavators
Forklifts
Mini Excavators
Motor Graders
Skidsteer Loaders
Wheel Loaders