Locations
644 P-Tier Mid-Size Wheel Loader

644 P-Tier Mid-Size Wheel Loader

Model:
644 P-Tier Mid-Size Wheel Loader
  • Net Power: 186 kW (249 hp) at 1,800 rpm
  • Operating Weight: 18 709–18 744 kg (41,246–41,324 lb.)
  • Bucket Capacity: 3.1–3.6 m3 (4.0–4.75 cu. yd.)
Specifications
Engine ManufacturerJohn Deere
Engine ModelPowerTech PSS 6068
Emission RatingEPA Tier 4 / EU Stage V
Displacement, ltr (Inches³)6.8 (415)
Rated Speed, rpm1800
Engine Output - Net, kW (hp)186 (249)
Torque, Nm (lbf / ft)1100 (811)
Transmission TypePowershift
Front Differential TypeLocking
Rear Differential TypeOpen
Tire size - Standard23.5 R25
Service Brake - TypeWet Disc
Service Brake - ActuationHydraulic
Parking Brake - TypeWet Multi Disc
Height - Over Cab, mm (ft/in)3450 (11 ft 4 in)
Wheelbase, mm (ft/in)3310 (10 ft 10 in)
Ground clearance, mm (inches)386 (15.2)
Width Over tires - Std, mm (ft/in)2875 (9 ft 5 in)
Height - Pivot Pin, mm (ft/in)4090 (13 ft 5 in)
Reach - At 2130mm 45° Dump, mm (ft/in)1610 (5 ft 3 in)
Fuel Tank, ltr (gallons (US))350 (92.6)
Hydraulic Tank, ltr (gallons (US))105.2 (27.8)
Heaped Capacity, m³ (yd³)3.2 (4.25)
Breakout - Bucket, kgf (lbf)15574 (34334)
Ride Control SystemOptional
Pump TypePiston
Pump Flow - 1, lt/min (gallons (US) / min)310 (82)
System Pressure, bar (PSI)251.66 (3650)

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