John Deere 644K for sale at Lawson Implement Co., Inc. Serving your new and used equipment needs from Goldthwaite and Hamilton, TX.

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644K

 

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  • Final Tier 4 emission-certified engine
  • PowerShift™ transmission
  • Z-Bar, High-Lift, and Powerllel™ configurations
Manufacturer John Deere
Model 644 K Tier 4 Final
DRIVELINE  
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  
DIMENSIONS  
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)  
CAPACITIES  
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)  
WEIGHTS  
Operating Weight, kg (lbs)  18682 (41188)  
COMPARABLE BUILD  
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)