John Deere 644K Z-Bar

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Engine

Engine make:

Deere

Engine model:

PVX 6090

Net engine power (hp):

199

Bucket

Bucket capacities, min-max (cu yds):

4.25

Bucket widths, min-max (in):

120"

Reference: Bucket capacity (cu yds):

4.25

Reference: Bucket edge:

Bolt-on

Drivetrain

Number of speeds (fwd/rev):

4 / 3

Transmission type*:

Auto/PS

Max travel speed, fwd/rev (mph):

24.9 / 17.9

Tires

Reference tire size:

23.5R25

Weight

Operating weight (lbs):

40,406

Performance

Breakout force (lbs):

33,903

Static tip load, straight (lbs):

32,862

Static tip load, full turn (lbs):

28,393

Dump clearance, full height @ discharge (ft/in):

9' 4"

Dump reach, full height @ discharge (in):

44"

Bucket hinge pin height (in):

160"

Bucket linkage type*:

Z

Total cycle time: raise, dump & lower (sec):

9.9

Dimensions

Wheelbase (ft/in):

10' 8"

Ground clearance (in):

16.1"

Length w/bucket on ground (ft/in):

26' 5"

Width over tires (ft/in):

9' 5"

Height to top of cab (ft/in):

11' 1"

Turn angle, either side (deg):

40°

Turning radius, bucket carry (ft/in):

18' 3"
Bucket linkage type* = Parallel (P); Parallel w/bellcrank (PB); Parallel w/ floating bell crank (PFB); Telescopic extended (TE); Z-Bar (Z); Inverted Z-Bar (IZ); Torque parallel (TP);

Transmission type* = Hydrostatic (HS); Mechanical (Mech); Power shift (PS); Automatic (Auto); Automatic with manual shift (Auto/MS); Automatic multi-mode (Auto/MM); Power shuttle (Pwr shutl); Synchromesh (Sy); Torque converter (TC); Powersynchro (PwrSy)