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644L

Wheeled Loaders | John Deere

Fort Kent Parts
207.834.6701
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KEY MACHINE SPECS
  • Net Power: 172 kW (231 hp)
  • Bucket Capacity: 3.1-3.6 m3 (4.0-4.75 cu. yd.)
  • Operating Weight: 18 856-19 700 kg (41,571-43,430 lb.)

Overview

Product Brochures

Features

Hybrid Engine

  • Purpose-built four-speed hybrid-electric transmission with EPA Tier 4/EU Stage V PowerTech™ engine to squeeze the most from every drop of fuel.

EH Controls

  • Control up to six functions without letting go of the ergonomically designed joystick. Program two-multifunction buttons on the bucket lever to handle any of up to 10 functions.

Redesigned Cab

  • Operator station is spacious and comfortable. It features extra legroom, additional storage and adjustable seat. A premium cab with a larger monitor and a heated/ventilated seat is optional.

Buckets & Linkage

  • New bucket and linkage designs improve load leveling, material retention and visibility. Lift path on all Z-Bar linkages is now near parallel.

Ground-Level Service

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

Specifications

DRIVELINE

Engine Manufacturer John Deere      
Engine Model PowerTech PSS 6068      
Emission Rating Tier 4 / Stage V      
Displacement, ltr (Inches³) 6.8 (415)      
Rated Speed, rpm 1500      
Engine Output - Net, kW (hp) 172 (231)      
Torque, Nm (lbf / ft) 1135 (837)      
Torque Rise, % 36      
Transmission Type Powershift w/Hybrid-Electric Drive      
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) 3450 (11 ft 4 in)      
Wheelbase, mm (ft/in) 3310 (10 ft 10 in)      
Length - Including Bucket, mm (ft/in) 8260 (27 ft 1 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)      
Turning Circle - Maximum, mm (ft/in) 13000 (42 ft 9 in)      



CAPACITIES

Fuel Tank, ltr (gallons (US)) 350 (92.6)      
Hydraulic Tank, ltr (gallons (US)) 103.4 (27.3)      
Axle - Front, ltr (gallons (US)) 22 (5.75)      
Axle - Rear, ltr (gallons (US)) 22 (5.75)      
Transmission, ltr (gallons (US)) 32 (8.5)      
Heaped Capacity, m³ (yd³) 3.2 (4.25)      
Bucket Capacity - Smallest, m³ (yd³) 3.2 (4.25)      
Largest bucket capacity, m³ (yd³) 3.4 (4.5)      
Breakout - Bucket , kgf (lbf) 15574 (34334)      
Ride Control System Optional      
System Voltage, V 24      
Alternator Output, Amp 140      
Pump Type Piston      
Pump Flow - 1, lt/min (gallons (US) / min) 265 (70)      
System Pressure, bar (PSI) 251.66 (3650)      



WEIGHTS

Operating Weight, kg (lbs) 18856 (41571)      

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