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John Deere 644 P-Tier Mid-Size Wheel Loader

John Deere
Make John Deere
Model 644 P-Tier
Type Mid-Size Wheel Loaders

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Description

  • 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.)

Models

Ground-Level Service
  • All daily service points including fuel refill are conveniently grouped at ground level on the left side of the machine for easy access.
Engine
  • 6.8L (415 cu. in.) EPA Final Tier 4/EU Stage V John Deere PowerTech™ PSS engine.
EH Controls
    Easily control up to six functions without removing your hand from the ergonomically designed joystick. Two industry-exclusive multifunction buttons can each be programmed to handle any of 10 functions selected through the monitor including bucket vibrate and electrohydraulic (EH) Precision mode.
Roomy Cab
  • Operator station features three more inches of legroom, an improved HVAC system, additional storage, and a more adjustable seat than previous models.
  • Joystick controls, foot pedals, and sealed-switch module are all ergonomically placed for optimal comfort and convenience.
Buckets & Linkage
  • Featuring bucket and linkage designs that improve load leveling, material retention, and visibility, these loaders yield more productivity and performance than previous models.
  • A wide selection of enhanced production buckets with integrated spill guards, curved side cutters, and impressive rollback delivers elevated bucket-fill performance and material retention compared to earlier offerings.

Specifications

  • CAPACITIES - Alternator Output, Amp: 100
  • CAPACITIES - Axle - Front, ltr (gallons (US)): 22 (5.75)
  • CAPACITIES - Axle - Rear, ltr (gallons (US)): 22 (5.75)
  • CAPACITIES - Breakout - Bucket , kgf (lbf): 15574 (34334)
  • CAPACITIES - Fuel Tank, ltr (gallons (US)): 350 (92.6)
  • CAPACITIES - Heaped Capacity, m³ (yd³): 3.2 (4.25)
  • CAPACITIES - Hydraulic Tank, ltr (gallons (US)): 105.2 (27.8)
  • CAPACITIES - Largest bucket capacity, m³ (yd³): 3.4 (4.5)
  • CAPACITIES - Pump Flow - 1, lt/min (gallons (US) / min): 310 (82)
  • CAPACITIES - Pump Type: Piston
  • CAPACITIES - Ride Control System: Optional
  • CAPACITIES - Smallest bucket capacity, m³ (yd³): 3.2 (4.25)
  • CAPACITIES - System Pressure, bar (PSI): 251.66 (3650)
  • CAPACITIES - System Voltage, V: 24
  • CAPACITIES - Transmission, ltr (gallons (US)): 23 (6.075)
  • DIMENSIONS - Ground clearance, mm (inches): 386 (15.2)
  • DIMENSIONS - Height - Over Cab, mm (ft/in): 3450 (11 ft 4 in)
  • DIMENSIONS - Height - Pivot Pin, mm (ft/in): 4090 (13 ft 5 in)
  • DIMENSIONS - Length - Including Bucket, mm (ft/in): 8330 (27 ft 4 in)
  • DIMENSIONS - Reach - At 2130mm 45° Dump, mm (ft/in): 1610 (5 ft 3 in)
  • DIMENSIONS - Turning Circle - Maximum, mm (ft/in): 13000 (42 ft 9 in)
  • DIMENSIONS - Wheelbase, mm (ft/in): 3310 (10 ft 10 in)
  • DIMENSIONS - Width Over tires - Std, mm (ft/in): 2875 (9 ft 5 in)
  • DRIVELINE - Displacement, ltr (Inches³): 6.8 (415)
  • DRIVELINE - Emission Rating: Tier 4 / Stage V
  • DRIVELINE - Engine Manufacturer : John Deere
  • DRIVELINE - Engine Model: PowerTech PSS 6068
  • DRIVELINE - Engine Output - Net, kW (hp): 186 (249)
  • DRIVELINE - Front Differential Type: Locking
  • DRIVELINE - Parking Brake - Type: Wet Multi Disc
  • DRIVELINE - Rated Speed, rpm: 1800
  • DRIVELINE - Rear Differential Type: Open
  • DRIVELINE - Service Brake - Actuation: Hydraulic
  • DRIVELINE - Service Brake - Location: All Wheels
  • DRIVELINE - Service Brake - Type: Wet Disc
  • DRIVELINE - Tire size - Standard: 23.5 R25
  • DRIVELINE - Torque Rise, %: 58
  • DRIVELINE - Torque, Nm (lbf / ft): 1100 (811)
  • DRIVELINE - Transmission Type: Powershift
  • WEIGHTS - Operating Weight, kg (lbs): 18709 (41246)

Features

  • Operating Weight: 18 709-18 744 kg (41,246-41,324 lb.)
  • Bucket Capacity: 3.1-3.6 cu. m. (4.0-4.75 cu. yd.)
  • Engine Net Power: 186 kW (249 hp)

Copy Set

Ground-Level Service

  • All daily service points including fuel refill are conveniently grouped at ground level on the left side of the machine for easy access.

Engine

  • 6.8L (415 cu. in.) EPA Final Tier 4/EU Stage V John Deere PowerTech™ PSS engine.

EH Controls

    Easily control up to six functions without removing your hand from the ergonomically designed joystick. Two industry-exclusive multifunction buttons can each be programmed to handle any of 10 functions selected through the monitor including bucket vibrate and electrohydraulic (EH) Precision mode.

Roomy Cab

  • Operator station features three more inches of legroom, an improved HVAC system, additional storage, and a more adjustable seat than previous models.
  • Joystick controls, foot pedals, and sealed-switch module are all ergonomically placed for optimal comfort and convenience.

Buckets & Linkage

  • Featuring bucket and linkage designs that improve load leveling, material retention, and visibility, these loaders yield more productivity and performance than previous models.
  • A wide selection of enhanced production buckets with integrated spill guards, curved side cutters, and impressive rollback delivers elevated bucket-fill performance and material retention compared to earlier offerings.

Contact

Contact

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