John Deere 444k Compact Loader User Manual


 
Key: l Standard s Optional or special See your John Deere dealer for further information.
Additional equipment
Net engine power is with standard equipment including air cleaner, exhaust system, alternator, and cooling fan at test conditions per ISO 9249. No derating is
required up to 3050-m (10,000 ft.) altitude. SpeciƟcations and design subject to change without notice. SpeciƟcations with the exception of bucket capacity are in
accordance with all applicable ISO standards. Except where otherwise noted, these speciƟcations are based on units with applicable linkage and standard equipment,
ROPS cab, rear cast bumper/counterweight, transmission side-frame guards, bottom guards, standard tires, full fuel tank, and 79-kg (175 lb.) operator.
444 524 544 624 644 Engine
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Wet-sleeve cylinder liners
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Automatic glow plugs for cold start*
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Programmable auto-idle and auto shutdown
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Selected idle adjustment from 900–1,250 rpm
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Starter protection
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Automatic turbo cool-down/shutdown timer
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Automatic derating for exceeded system temperatures
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Serpentine drive belt for automatic tensioner
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Under-hood prescreened air intake
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Electrical fuel-priming pump
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Dual-stage fuel Ɵlter and water separator
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500-hour vertical spin-on oil Ɵlter
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Engine-compartment light
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Chrome exhaust stack
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Automatic ether starting aid (recommended for cold starts
below –12 deg. C [10 deg. F])
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Engine-block heater (recommended for cold starts below
–23 deg. C [–10 deg. F])
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Centrifugal engine air pre-cleaner
Powertrain
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Programmable maximum high gear
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Clutch calibration engaged from monitor
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2,000-hour vertical spin-on transmission Ɵlter
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Transmission Ɵll tube and sight gauge
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Transmission diagnostic ports
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5-speed transmission with lockup torque converter
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4-speed transmission with non-lockup torque converter
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Hybrid-electric transmission system
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Rear axle disconnect
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Front locking differential
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Rear locking differential
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Automatic differential lock
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Axle oil temperature sensing
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Wheel-spin control
Quad-Cool™ Cooling System
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Heavy-duty, trash-resistant radiator and high-ambient
cooling package
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2-side access to all coolers
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Isolated from engine compartment
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Engine radiator
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Integral engine oil cooler
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Hydraulic oil cooler (oil to air)
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Transmission oil cooler (oil to air)
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Charge air cooler (air to air)
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Coolant recovery tank
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Antifreeze, –37 deg. C (–34 deg. F)
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Cool-on-demand swing-out fan
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Enclosed fan safety guard
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Automatic reversing fan drive
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Axle and service-brake coolers
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Corrosive-environment coolers
Hydraulics
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Automatic return-to-dig bucket positioner
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In-cab adjustable automatic return-to-dig bucket positioner
(Powerllel
only)
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In-cab adjustable automatic boom-height kickout/return
to carry
444 524 544 624 644 Hydraulics (continued)
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Reservoir with sight gauge and Ɵll strainer
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Hydraulic diagnostic ports
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4,000-hour in-tank Ɵlter
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2 function — joystick with F-N-R
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2 function — joystick with steering column F-N-R
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2 function — 2-lever Ɵngertip controls and steering column
F-N-R
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3 function — joystick with F-N-R and 3rd-function auxiliary
lever
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3 function — joystick with steering column F-N-R and 3rd-
function auxiliary lever
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3 function — 3-lever Ɵngertip controls and steering column
F-N-R
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4 function — 4-lever Ɵngertip controls and steering column
F-N-R
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Ride control, automatic with monitor-adjustable speed
settings
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Hydraulic control system for quick-coupler locking pins
Steering Systems
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Conventional steering wheel with spinner knob
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Joystick steering (including conventional steering column)
with gearshift, F-N-R, and horn
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Secondary steering
Electrical
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Solid-state electrical power-distribution system
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Lockable master electrical-disconnect switch
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Battery-terminal safety covers
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By-pass start safety cover at starter
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Pre-wired for beacon/strobe light
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Lights: Halogen driving lights with guards (2) / Front (4)
and rear (2) cab work lights / Turn signals and Ơashers /
LED stop- and taillights
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Programmable courtesy lights
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Horn, electric
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Reverse warning alarm
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Multi-function/multi-language LCD color monitor includes:
Digital instruments — Analog display (hydraulic oil temper-
ature, engine coolant temperature, transmission oil temper-
ature, and engine oil pressure) / Digital display (engine rpm,
transmission gear/direction indicator, hour meter, fuel level,
speedometer, odometer, and outside temperature)
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Integrated cycle counter with 5 categories
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Indicator lights: Standard and selected options / Amber
caution and red stop
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Operator-warning messages
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Built-in diagnostics: Diagnostic-code details / Sensor values /
Calibrations / Individual circuit tester
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Heavy-duty LED turn signal and marker lights
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Electrical corrosion-prevention package
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AM/FM/weather-band radio
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AM/FM/weather-band radio with CD player
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24- to 12-volt, 8-amp converter
*Available only on 444K, 524K, 544K, and 624K EPA Interim Tier 4/EU Stage IIIB
engines, 624K and 644K EPA Tier 3/EU Stage IIIA engines, and 624K EPA Tier 2/
EU Stage II engine.
Available only on EPA Interim Tier 4/EU Stage IIIB engines.
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Available only on 624K and 644K EPA Tier 2/EU Stage II engines.
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Available only on EPA Tier 3/EU Stage IIIA and EPA Tier 2/EU Stage II engines.