John Deere 444K Compact Loader User Manual


 
Refill Capacities (U.S.) 544K Z-BAR / HIGH-LIFT / POWERLLEL
Fuel Tank (with ground-level fueling) . . . . . . . . . . . . . . 325 L (86 gal.)
Cooling System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 L (24 qt.)
Engine Oil with Vertical Spin-On Filter . . . . . . . . . . . . . 19 L (20 qt.)
Transmission Fluid with Vertical Filter . . . . . . . . . . . . . 18.5 L (19.5 qt.)
Axle Oil (front and rear) . . . . . . . . . . . . . . . . . . . . . . . . 17 L (18 qt.)
Hydraulic Reservoir and Filters . . . . . . . . . . . . . . . . . . 91 L (24 gal.)
Park Brake Oil (wet disc) . . . . . . . . . . . . . . . . . . . . . . . 0.3 L (10 oz.)
Hydraulic System/Steering
Pump (loader and steering) . . . . . . . . . . . . . . . . . . . . . variable-displacement, axial-piston pump; closed-center, pressure-compensating system
Maximum Rated Flow @ 6895 kPa
(1,000 psi) and 2,350 rpm . . . . . . . . . . . . . . 189 L/m (50 gpm)
System Relief Pressure (loader and steering) . . . . . 25 166 kPa (3,650 psi)
Loader Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-function valve, joystick control or fingertip controls, hydraulic-function enable/disable, optional 3rd- and 4th-function valve with auxiliary lever
Steering (conforms to ISO 5010)
Type power, fully hydraulic
Articulation Angle . . . . . . . . . . . . . . . . . . . . . . . . . 80-deg. arc (40 deg. each direction)
Hydraulic Cycle Times . . . . . . . . . . . . . . . . . . . . . . . . . Z-Bar High-Lift Powerllel
Raise . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.8 sec. 5.8 sec. 5.8 sec.
Dump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.2 sec. 1.2 sec. 1.2 sec.
Lower (float down) . . . . . . . . . . . . . . . . . . . . . . . . 3.2 sec. 3.2 sec. 2.5 sec.
Total . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.2 sec. 10.2 sec. 9.5 sec.
Turning Radius (measured to centerline of
outside tire) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.00 m (16 ft. 5 in.)
Dimensions with Standard Configuration
Z-Bar High-Lift Powerllel
2.3-m
3
(3.0 cu. yd.) pin-on bucket 2.3-m
3
(3.0 cu. yd.) pin-on bucket 2.3-m
3
(3.0 cu. yd.) hook-on bucket with coupler
A Height to Top of Cab and Canopy . . . . . . . . . . . . . . 3.24 m (10 ft. 8 in.) 3.24 m (10 ft. 8 in.) 3.24 m (10 ft. 8 in.)
B Ground Clearance . . . . . . . . . . . . . . . . . . . . . . . . . 0.40 m (15.7 in.) 0.40 m (15.7 in.) 0.40 m (15.7 in.)
C Length from Centerline to Front Axle . . . . . . . . . . . 1.45 m (4 ft. 9 in.) 1.45 m (4 ft. 9 in.) 1.45 m (4 ft. 9 in.)
D Wheelbase . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.93 m (9 ft. 7 in.) 2.93 m (9 ft. 7 in.) 2.93 m (9 ft. 7 in.)
E Dump Clearance . . . . . . . . . . . . . . . . . . . . . . . . . . (see page 31) (see page 31) (see page 32)
F Height to Hinge Pin, Fully Raised . . . . . . . . . . . . . . 3.82 m (12 ft. 6 in.) 4.17 m (13 ft. 8 in.) 3.85 m (12 ft. 8 in.)
G Dump Reach . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ▲▲ (see page 31) ▲▲ (see page 31) ▲▲ (see page 32)
H Maximum Digging Depth . . . . . . . . . . . . . . . . . . . . 95 mm (3.72 in.) 221 mm (8.7 in.) 127 mm (5.0 in.)
I Overall Length . . . . . . . . . . . . . . . . . . . . . . . . . . . . ▲▲▲ (see page 31) ▲▲▲ (see page 31) ▲▲▲ (see page 32)
J Maximum Rollback at Ground Level . . . . . . . . . . . . 42 deg. 41 deg. 42 deg.
K Maximum Rollback, Boom Fully Raised . . . . . . . . . 55 deg. 50 deg. 51 deg.
L Maximum Bucket Angle, Fully Raised . . . . . . . . . . 49 deg. 46 deg. 50 deg.
544K Z-BAR AND HIGH-LIFT LOADERS 544K POWERLLEL LOADER
A
B
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D
J
H
E
F
C
G
K
L
Cab and Canopy
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B
I
D
J
H
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F
C
G
K
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Cab and Canopy
Vertis QCA
1300 19th Street, Suite 200
East Moline, IL 61244
Cyan
Magenta
Yellow Black
DKAKULDR Page 2928