John Deere 644L Wheel Loader

Description

Models

Redesigned Cab

Operator station is spacious and comfortable. It features extra legroom, additional storage and an 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.

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.

Engine

EPA Tier 4/EU Stage V PowerTech™ engine

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

• 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 - Bucket Capacity - Smallest, m³ (yd³): 3.2 (4.25)
• 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 - 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 - Transmission
• DRIVELINE - Rated Speed, rpm: 1800
• DRIVELINE - Rear Differential Type: Open
• DRIVELINE - Service Brake - Actuation: Hydraulic
• DRIVELINE - Service Brake - Location: Axle Inboard
• 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: 18 709-19 465 kg (41,246-42,913 lb.)
• Bucket Capacity: 3.1–3.6 m³ (4.0–4.75 cu. yd.)
• Engine Net Power: 186 kW (249 hp)

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