John Deere 644K HYBRID Wheel Loader Specs

Category: Wheel Loaders ➔
Manufacturer: John Deere ➔
Model: 644K HYBRID ➔

General Specifications

John Deere 644K HYBRID Wheel Loader General Specifications specifications
Bucket Capacity	4.0 - 4.25 (3.1 - 3.2) - Starting 2019
Engine Power	229.00 hp (170.77 kw) - Starting 2019
Engine type	Deere PSX 6090 - Starting 2019
Max Dump Height	9.70 ft (2.96 m) - Starting 2019
Operating Weight	40,436.00 lbs (18,341.48 kg) - Starting 2019

Bucket

John Deere 644K HYBRID Wheel Loader Bucket specifications
Breakout - Bucket	15378 (33903) kgf (lbf)
Bucket Capacity - Smallest	4.06 cu yd
Largest Bucket Capacity	4.19 cu yd

Capacities

John Deere 644K HYBRID Wheel Loader Capacities specifications
Heaped Capacity	4.2 cu yd
Hydraulic Tank	28.10 gal (106.36 l)
Transmission	10.10 gal (38.23 l)

Dimensions

John Deere 644K HYBRID Wheel Loader Dimensions specifications
Ground Clearance	18.15 in (46.10 cm)
Height Over Cab	11.26 ft (3.43 m)
Hinge Pin - Max Height	13.52 ft (4.12 m)
Length With Bucket On Ground	27.24 ft (8.30 m)
Reach At Max Lift And Dump	5.29 ft (1.61 m)
Turning Circle	43.57 ft (13.28 m)
Wheelbase	10.70 ft (3.26 m)
Width Over Tires	9.44 ft (2.88 m)

Driveline

John Deere 644K HYBRID Wheel Loader Driveline specifications
Differential Lock	Front- Locking, Rear- Open
Parking Brake Type	Wet Multi Disc - Transmission
Ride Control System	Optional
Service Brake - Location	Axle Inboard
Service Brake Actuation	Hydraulic
Service Brake Type	Wet Disc
Tire Size - Standard	23.5 R25

Engine

John Deere 644K HYBRID Wheel Loader Engine specifications
Alternator	100 amps
Displacement	415.00 cu in (6,800.65 cu cm)
Emission Level	Tier 4
Engine Make	John Deere
Engine Model	PowerTech PSX 6068
Engine Output-Net	229.40 hp (171.07 kw)
Pump	Piston
Rated Speed	1700 rpm
System Voltage	24 V
Torque	731.00 lbs ft (991.09 nm)
Torque Rise	19 %
Transmission Type	Powershift w/Hybrid-Electric Drive

Operational

John Deere 644K HYBRID Wheel Loader Operational specifications
Front Axle/Diff Fluid Capacity	5.90 gal (22.33 l)
Fuel Capacity	104.90 gal (397.05 l)
Operating Weight	40,435.00 lbs (18,341.03 kg)
Rear Axle/Diff Fluid Capacity	5.90 gal (22.33 l)

Transmission

John Deere 644K HYBRID Wheel Loader Transmission specifications
Pump Flow	78.50 gpm (297.12 lpm)
System Pressure	251.7 psi

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