John Deere 444K Compact Loader User Manual


 
Refill Capacities (U.S.) 444K Z-BAR / HIGH-LIFT / POWERLLEL
Fuel Tank (with ground-level fueling) . . . . . . . . . . . . . . 242 L (64 gal.)
Cooling System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 L (20 qt.)
Engine Oil with Vertical Spin-On Filter . . . . . . . . . . . . . 17.5 L (18.5 qt.)
Transmission Fluid with Vertical Filter . . . . . . . . . . . . . 18.5 L (19.5 qt.)
Axle Oil (front and rear) . . . . . . . . . . . . . . . . . . . . . . . . 22 L (23 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 . . . . . . . . . . . . . . 140 L/m (37 gpm)
System Relief Pressure (loader and steering) . . . . . 24 821 kPa (3,600 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.9 sec. 5.9 sec. 5.9 sec.
Dump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.0 sec. 1.0 sec. 1.1 sec.
Lower (float down) . . . . . . . . . . . . . . . . . . . . . . . . 2.4 sec. 2.4 sec. 1.9 sec.
Total . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.3 sec. 9.3 sec. 8.9 sec.
Turning Radius (measured to centerline of
outside tire) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.74 m (15 ft. 7 in.)
Dimensions with Standard Configuration
Z-Bar High-Lift Powerllel
1.9-m
3
(2.5 cu. yd.) pin-on bucket 1.9-m
3
(2.5 cu. yd.) pin-on bucket 1.9-m
3
(2.5 cu. yd.) hook-on bucket with coupler
A Height to Top of Cab and Canopy . . . . . . . . . . . . . . 3.17 m (10 ft. 5 in.) 3.17 m (10 ft. 5 in.) 3.17 m (10 ft. 5 in.)
B Ground Clearance . . . . . . . . . . . . . . . . . . . . . . . . . 393 mm (15.5 in.) 393 mm (15.5 in.) 393 mm (15.5 in.)
C Length from Centerline to Front Axle . . . . . . . . . . . 1.37 m (4 ft. 6 in.) 1.37 m (4 ft. 6 in.) 1.37 m (4 ft. 6 in.)
D Wheelbase . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.76 m (9 ft. 1 in.) 2.76 m (9 ft. 1 in.) 2.76 m (9 ft. 1 in.)
E Dump Clearance . . . . . . . . . . . . . . . . . . . . . . . . . . (see page 19) (see page 19) (see page 20)
F Height to Hinge Pin, Fully Raised . . . . . . . . . . . . . . 3.60 m (11 ft. 10 in.) 4.00 m (13 ft. 1 in.) 3.67 m (12 ft. 0 in.)
G Dump Reach . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ▲▲ (see page 19) ▲▲ (see page 19) ▲▲ (see page 20)
H Maximum Digging Depth . . . . . . . . . . . . . . . . . . . . 105 mm (4.1 in.) 105 mm (4.1 in.) 119 mm (4.7 in.)
I Overall Length . . . . . . . . . . . . . . . . . . . . . . . . . . . . ▲▲▲ (see page 19) ▲▲▲ (see page 19) ▲▲▲ (see page 20)
J Maximum Rollback at Ground Level . . . . . . . . . . . . 41 deg. 41 deg. 42 deg.
K Maximum Rollback, Boom Fully Raised . . . . . . . . . 55 deg. 55 deg. 51 deg.
L Maximum Bucket Angle, Fully Raised . . . . . . . . . . 50 deg. 50 deg. 50 deg.
444K Z-BAR AND HIGH-LIFT LOADERS 444K POWERLLEL LOADER
A
B
I
D
J
H
E
F
C
G
K
L
Cab and Canopy
A
B
I
D
J
H
E
F
C
G
K
L
Cab and Canopy
Vertis QCA
1300 19th Street, Suite 200
East Moline, IL 61244
Cyan
Magenta
Yellow Black
DKAKULDR Page 1716