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644K Hybrid delivers up to 25-percent better average fuel efficiency than its conventional IT4 counterpart with a lockup torque converter. In applications such as V-pattern truck loading, fuel savings will be even larger.
EPA IT4/EU Stage IIIB 6.8-L diesel runs at a constant 900, 1,200, 1,500, or 1,800 rpm. Constant speed reduces engine wear, noise levels, and fuel consumption. Top speed provides maximum power and productivity, while the slower settings increase efficiency.
Hybrid-electric drive smoothly and efficiently recaptures energy to slow the loader when the operator lets off the accelerator. This lessens the load on the engine and reduces fuel consumption.
The NeverGrease™ option includes a pin-joint system for the linkage and boom joints that eliminates greasing, extends pin-joint life, and provides consistent life across the system.
Quad-Cool places the radiator, air-conditioner condenser, intercooler, and hydraulic, transmission, and optional axle coolers in a unique boxed configuration that's isolated from engine heat.
PowerShift™ transmission provides smooth moves through four forward speed ranges.
All daily service points, including fuel, are grouped on the left side for quick and convenient ground-level access. Sight gauges enable quick fluid-level checks.
Equip your loader with optional Z-Bar, High Lift, Tool Carrier, or Parallel Lift linkages.
Worksite Pro couplers make attachment switchover easy to get even more out of your machine.
Sealed-switch module keeps out dust and moisture while eliminating nearly 100 wires. Prevent unauthorized machine operation with keyless-start requiring a numeric pass code.
Optional rearview camera and radar object-detection system
Specs & Compare
|Select up to 4 models to compare specifications||
|Engine Manufacturer||John Deere|
|Engine Model||PowerTech PSS 6090|
|Emission Rating||Tier 4|
|Displacement, ltr (Inches�)||9 (548)|
|Rated Speed, rpm||1700|
|Engine Output - Net, kW (hp)||173 (232)|
|Torque, Nm (lbf / ft)||1062 (783)|
|Torque Rise, %||56|
|Front Differential Type||Locking|
|Rear Differential Type||Open|
|Tire size - Standard||23.5 R25|
|Service Brake - Type||Wet Disc|
|Service Brake - Location||Axle Inboard|
|Service Brake - Actuation||Hydraulic|
|Parking Brake - Type||Wet Multi Disc - Transmission|
|Height - Over Cab, mm (ft/in)||3430 (11 ft 3 in)|
|Wheelbase, mm (ft/in)||3260 (10 ft 8 in)|
|Length - Including Bucket, mm (ft/in)||8300 (27 ft 3 in)|
|Ground clearance, mm (inches)||461 (18.1)|
|Width Over tires - Std, mm (ft/in)||2875 (9 ft 5 in)|
|Height - Pivot Pin, mm (ft/in)||4120 (13 ft 6 in)|
|Reach - At 2130mm 45� Dump, mm (ft/in)||1610 (5 ft 3 in)|
|Turning Circle - Maximum, mm (ft/in)||13280 (43 ft 7 in)|
|Fuel Tank, ltr (gallons (US))||397 (105)|
|Hydraulic Tank, ltr (gallons (US))||105.2 (6.95)|
|Axle - Front, ltr (gallons (US))||22 (5.75)|
|Axle - Rear, ltr (gallons (US))||22 (5.75)|
|Transmission, ltr (gallons (US))||23 (6)|
|Heaped Capacity, m� (yd�)||3.2 (4.25)|
|Bucket Capacity - Smallest, m� (yd�)||3.1 (4)|
|Largest bucket capacity, m� (yd�)||3.2 (4.25)|
|Breakout - Bucket , kgf (lbf)||15378 (33903)|
|Ride Control System||Optional|
|System Voltage, V||24|
|Alternator Output, Amp||130|
|Pump Flow, lt/min (gallons (US) / min)||297 (78)|
|System Pressure, bar (PSI)||251.66 (3650)|
|Operating Weight, kg (lbs)||18682 (41188)|
|Dump Height, mm (ft/in)||2910 (9 ft 7 in)|
|Reach at Full Height, mm (ft/in)||1060 (3 ft 6 in)|
|Tipping Load - Straight, kg (lbs)||14771 (32565)|
Get 3.25% APR fixed rate for 60 months† on installment plan on new John Deere Mid-Size & Large Wheel Loaders.
†For complete details regarding this offer, please select the corresponding link.
Features and specifications are based on published information at the time of publication. Features and specifications are subject to change without notice.