John Deere 644K Specs, Weight, Price & Review ❤

John Deere 644K Specs, Weight, Price & Review

Here in this post, I have gathered information about the John Deere 644K from its official website, including its specifications, weight, price, and dimensions.

We believe in providing reliable information to our readers, therefore we prefer to obtain information on the John Deere 644K from authentic sources.

This article, which has been updated, has all the information you require about the John Deere 644K.

John Deere 644K Specs

John Deere 644K Key Facts

  • Net Power: 167 kW (224 hp) at 1,700 rpm
  • Operating Weight: 18 333 kg (40,417 lb.)
  • Bucket Capacity: 3.2 m³ (4.25 cu. yd.)
  • Breakout Force: 15 378 kg (33,903 lb.)

John Deere 644K price

price = N/A

John Deere 644K weight

weight = 18 333 kg (40,417 lb.)

John Deere 644K Fuel Capacity

Fuel Capacity = 93gal

John Deere 644K Features


The EPA Tier 3/EU Phase IIIA PowerTech engine produces impressive torque that helps maintain boom and bucket speed for heaped loads, even in wet or hard-packed materials.


  • High-performance powertrain and hydraulic performance ensure fast ground speed and boom lift to allow for more cycles.
  • K-Series Loaders have a wider stance, providing extra stability to handle heavy loads and work on uneven terrain.
  • A low center of gravity and an optimized fore-and-aft balance provide impressive stability and full turn tipping load capacities.

John Deere 644K Specs 


Number Of Cylinders 6
Engine Model 6068H, Tier III certified
Power Measured @ 1700rpm
Displacement 414cu in
Aspiration Turbocharged charge air cooled
Engine Make 2240
Net Power 232hp
Max Torque 749lb ft
Torque Measured @ 1400rpm
Torque Rise 55%


Dump Clearance At Max Raise 10.77ft in
Bucket Capacity – Struck 3.7yd3
Breakout Force 30384lb
Bucket Capacity – Heaped 4.25yd3
Bucket Width 9.98ft in


Operating Weight 40798.8lb
Hydraulic System Fluid Capacity 29.1gal
Cooling System Fluid Capacity 7.8gal
Front Axle/Diff Fluid Capacity 5.9gal
Static Tipping Weight 26958.2lb
Operating Voltage 24V
Rear Axle Oscillation 26degrees
Fuel Capacity  93gal
Engine Oil Fluid Capacity 6.5gal
Transmission Fluid Capacity 6.1gal
Rear Axle/Diff Fluid Capacity 5.9gal
Turning Radius 18.3ft in
Alternator Supplied Amperage 80amps
Tire Size 23.5 R25

Hydraulic System

Relief Valve Setting 3650psi
Raise Time 5.5sec
Lower Time 3sec
Pump Flow Capacity 81.9gal/min
Dump Time 1.4sec
Pump Type Variable axial piston
Pump Flow Capacity 81.9gal/min
Dump Time 1.4sec
Pump Type Variable axial piston


Transmission Type Countershaft, powershift
Number Of Reverse Gears 3
Max Speed – Reverse 15.5mph
Number Of Forward Gears 4
Max Speed – Forward 22.8mph


Ground Clearance 1.34ft in
Width Over Tires 9.43ft in
Wheelbase 10.7ft in
Reach At Max Lift And Dump 3.67ft in
Length With Bucket On Ground 28.25ft in
Height To Top Of Cab 11.09ft in
Hinge Pin – Max Height 14.74ft in

John Deere 644K Review Video

Final Thoughts

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FAQs For John Deere 644K 


Q. How much can a John Deere 644k lift?

15 378 kg (33,903 lb.)

Q. What was John Deere famous?

John Deere was a blacksmith who made the first self-cleaning steel plow that was sold commercially. He started the company that still has his name on it in 1837. Deere was born in 1804 in Rutland, Vermont. When Deere was four years old, his father went missing at sea, and his mother raised him on her own.

Q. Who bought out John Deere?

With the help of the Wirtgen Group, Deere and Company will be able to make road-building equipment that is the best in the world. All five of Wirtgen’s existing brands, as well as its employees and distribution network, have been kept by Deere.


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