John Deere 644K » LandPro Equipment; NY, OH & PA

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John Deere 644K

John Deere 644K for sale at LandPro Equipment; NY, OH & PA. Serving your new and used equipment needs from Alexander, Avon, Brockport, Clymer, Falconer, Hall, Macedon, Niagara Falls, Oakfield, Savannah, Springville, NY, and East Palestine, OH, and Centre Hall, Edinboro, Fairmount City, Halifax, Harrisburg, Mifflintown, Stoneboro, and Watsontown, PA.

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3.0 - 4.75 cu. yd. Medium Loaders


  • Final Tier 4 emission-certified engine
  • PowerShift™ transmission
  • Z-Bar, High-Lift, and Powerllel™ configurations
Manufacturer John Deere
Model 644 K Tier 4 Final
Engine Manufacturer  John Deere  
Engine Model  Powertech PSX 6090  
Emission Rating  Tier 4  
Displacement, ltr (Inches³)  9 (548)  
Rated Speed, rpm  1700  
Engine Output - Net, kW (hp)  173 (232)  
Torque, Nm (lbf / ft)  1062 (783)  
Torque Rise, %  56  
Transmission Type  Powershift  
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, 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, m³ (yd³)  3.2 (4.25)  
Bucket Capacity - Smallest, m³ (yd³)  3.1 (4)  
Largest bucket capacity, m³ (yd³)  3.2 (4.25)  
Breakout - Bucket , kgf (lbf)  15378 (33903)  
Ride Control System  Optional  
System Voltage, V  24  
Alternator Output, Amp  130  
Pump Type  Piston  
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, mm (ft/in)  2910 (9 ft 7 in)  
Reach at Full Height   mm, mm (ft/in)  1060 (3 ft 6 in)  
Tipping Load - Straight   kg, kg (lbs)  14771 (32565)  

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