John Deere 644K Wheel Loader

Breakout - Bucket

15378 (33903) kgf (lbf)

Bucket Capacity - Smallest

4.06yd3

Largest Bucket Capacity

4.19yd3

Ground Clearance

18.15in

Length With Bucket On Ground

27.24ft in

Width Over Tires

9.44ft in

Wheelbase

10.7ft in

Hinge Pin - Max Height

13.52ft in

Reach At Max Lift And Dump

5.29ft in

Turning Circle

43.57ft in

Height - Over Cab

11.26ft in

Pump

Piston

Engine Output-Net

232hp

Transmission Type

powershift

Engine Make

John Deere

Engine Model

PowerTech PSS 6090

Torque

783.3lb ft

Rated Speed

1700rpm

Displacement

549.3cu in

Torque Rise

56%

System Voltage

24V

Emission Level

Tier 4

Alternator

130amps

Ride Control System

Optional

Service Brake Type

Wet disc

Parking Brake Type

Wet Multi Disc – Transmission

Differential Lock

Front- Locking, Rear- Open

Service Brake Actuation

Hydraulic

Tire Size - Standard

23.5 R25

Service Brake - Location

Axle Inboard

Hydraulic Tank

27.8gal

Heaped Capacity

4.2yd3

Transmission

6.1gal

Operating Weight

41186.8lb

Fuel Capacity

104.9gal

Rear Axle/Diff Fluid Capacity

5.9gal

Pump Flow

78.5gal/min

System Pressure

251.7psi