John Deere 444K Compact Loader User Manual


 
PAGES
28–29
Specifications
Specifications
Specifications
Engine 544K Z-BAR / HIGH-LIFT / POWERLLEL
TM
Manufacturer and Model . . . . . . . . . . . . . . . . . . . . . . . John Deere PowerTech
TM
E 6068H
Non-Road Emissions Standard . . . . . . . . . . . . . . . . . . EPA Tier 3/EU Stage IIIA
Cylinders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Valves Per Cylinder . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Displacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.8 L (414 cu. in.)
Net Peak Power @ 1,900 rpm . . . . . . . . . . . . . . . . . . . 125 kW (167 hp)
Net Peak Torque @ 1,600 rpm . . . . . . . . . . . . . . . . . . 673 Nm (496 lb.-ft.)
Net Torque Rise . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38%
Fuel System (electronically controlled) . . . . . . . . . . . . high-pressure common rail
Lubrication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . full-flow spin-on filter and integral cooler
Aspiration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . turbocharged, charge air cooled
Air Cleaner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . under-hood, dual-element dry type, restriction indicator in cab monitor for service
Fan Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . hydraulically driven, proportionally controlled, fan aft of coolers
Electrical System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 volt with 80-amp alternator (100-amp alternator optional)
Batteries (2 – 12 volt) . . . . . . . . . . . . . . . . . . . . . . . . . 950 CCA (each)
Transmission
Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . countershaft-type PowerShift
TM
Torque Converter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . single stage, single phase
Shift Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . electronically modulated, adaptive, load and speed dependent
Operator Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . steering-column or joystick-mounted F-N-R and gear-select lever; quick-shift button on hydraulic lever
Shift Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . manual/auto (1st–D or 2nd–D); quick-shift button with 2 selectable modes: kick-down or kick-up/down; and 3 adjustable clutch-cutoff settings
Travel Speeds (with 20.5 R 25 tires) Forward Maximum Reverse Maximum
Gear 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.2 km/h 7.2 km/h
(4.5 mph) (4.5 mph)
Gear 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11.9 km/h 12.6 km/h
(7.4 mph) (7.8 mph)
Gear 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22.8 km/h 24.1 km/h
(14.2 mph) (15.0 mph)
Gear 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35.7 km/h N/A
(22.2 mph)
Axles/Brakes
Final Drives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . heavy-duty inboard-mounted planetary
Differentials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . hydraulic locking front with conventional rear — standard; dual locking front and rear — optional
Rear Axle Oscillation, Stop to Stop (with 20.5 R
25 tires) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 deg.
Brakes (conform to ISO 3450)
Service Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . hydraulically actuated, inboard sun-shaft mounted, oil cooled, self adjusting, single disc
Parking Brake . . . . . . . . . . . . . . . . . . . . . . . . . . . automatic spring applied, hydraulically released, driveline mounted, oil cooled, multi disc
Tires
Choice of (with 3-piece rims)* Tread Width Width Over Tires Change In Vertical Height
20.5 R 25, 1 Star L-3 . . . . . . . . . . . . . . . . . . . . . . 1950 mm (76.8 in.) 2546 mm (100.2 in.) standard
20.5 R 25, 1 Star L-2 . . . . . . . . . . . . . . . . . . . . . . 1950 mm (76.8 in.) 2541 mm (100.0 in.) – 5 mm (– 0.2 in.)
20.5-25, 16 PR L-2 . . . . . . . . . . . . . . . . . . . . . . . 1950 mm (76.8 in.) 2544 mm (100.2 in.) + 3 mm (+ 0.1 in.)
20.5-25, 12 PR L-2 . . . . . . . . . . . . . . . . . . . . . . . 1950 mm (76.8 in.) 2544 mm (100.2 in.) + 3 mm (+ 0.1 in.)
20.5-25, 16 PR L-3 . . . . . . . . . . . . . . . . . . . . . . . 1950 mm (76.8 in.) 2544 mm (100.2 in.) + 9 mm (+ 0.4 in.)
600/65 R 25, 1 Star L-3T
§
. . . . . . . . . . . . . . . . . . 1950 mm (76.8 in.) 2633 mm (103.7 in.) – 22 mm (– 0.9 in.)
23.1-26 Logger
. . . . . . . . . . . . . . . . . . . . . . . . . 2136 mm (84.1 in.) 2743 mm (108.0 in.) + 80 mm (+ 3.1 in.)
*Based on Z-bar machine configuration; may change based on vehicle configuration, weight, or tire-pressure adjustments.
§
CaCl
2
not recommended.
Equipped with one-piece rims.
Vertis QCA
1300 19th Street, Suite 200
East Moline, IL 61244
Cyan
Magenta
Yellow Black
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