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Net engine power is with standard equipment including air
cleaner,exhaust system, alternator, and cooling fan,at standard
conditions per SAE J1349 and DIN 70 020, using No.2-D fuel at
35 API gravity. No derating is required up to 5,000-ft. (1525 m)
altitude for the 444J and the 544J and up to 10,000-ft. (3050 m)
altitude for the 624J. Gross power is without cooling fan.
Specifications and design subject to change without notice.Wherever applicable, specifications are in accordance with ISO standards.
Except where otherwise noted, these specifications are based on units with standard equipment,ROPS cab, one optional rear counter-
weight, rear cast bumper/counterweight,20.5R25 tires, full fuel tank,and 175-lb. (79 kg) operator.
DKAJULDR Litho in U.S.A. (06-10)
444 544 624
Engine
●●●
Certified to EPA Tier 2 emissions
●●● Wet sleeve cylinder liners
●●● Electronically controlled fuel system
●●● Automatic derating when system temperatures
exceeded
●● Monitor-selected high-altitude compensation
●●● Under-hood muffler with large exhaust stack
●●● Under-hood dual-element air cleaner with restriction
sensor in cab monitor
●●● Underhood, pre-screened air intake
●●● Fuel filter/water separator
●●● Heavy-duty steel fuel tank guard
●●● 500-hour full-flow spin-on oil filter
●●● Polyvee drive belt with automatic tensioner
● Automatic glow plugs
▲▲ Ether start aid (required for cold starting down to
–13°F [–25°C])
▲▲ Intake air heater (required for cold starting down to
0°F [–18°C])
▲▲▲ 110-volt engine coolant heater (required for cold
starting below –13°F [–25°C])
▲▲▲ Centrifugal engine air pre-cleaner
▲▲▲ Chrome exhaust stack
▲▲▲ Environmentally friendly engine oil drain
▲▲▲ Special-application trash screens, axle seal
guards, etc.*
Cooling
●●●
Heavy-duty trash-resistant high-ambient cooling
package
●●● Two-side access to all coolers
●●● Cooling system isolated from engine compartment
●●● Proportionally controlled (cool-on-demand), hydrau-
lically driven, swing-out fan
●●● Intercooler (air/air – 6.5 fins per in.)
●●● Transmission oil cooler (oil/air – 6.5 fins per in.)
●●● Hydraulic oil cooler (oil/air – 6.5 fins per in.)
●●● Engine radiator (7.5 fins per in.)
●●● Integral engine oil cooler
●●● Coolant recovery tank
●●● Fan guard
▲▲▲ Axle coolers (6.5 fins per in.)
▲▲▲ Reversing fan drive — auto control with manual
override
▲▲▲ Harsh-environment coolers for corrosive environments
Powertrain
●●●
ZF torque-converter powershift transmission — 4F/3R
●●● Electronically controlled, adaptive, load- and speed-
dependent shift modulation
●●● Clutch calibration engaged from cab monitor
●●● Clutch cutoff — thresholds set from switch pad
●●● Auto-shift/manual-shift modes
●●● Gear kickdown button in hydraulic-control lever
●●● Integral transmission sight gauge/fill tube
●●● Spring-applied, hydraulically released, oil-cooled,
multi-disc park brake
●●● Lube-for-life U-joints
● Heavy-duty mid-board planetary final drives
●● Heavy-duty inboard planetary final drives
●●● Front axle with hydraulic locking differential
▲▲▲ Front and rear axle with open differential*
▲▲ Front-axle disconnect
▲▲▲ Remote-axle breathers
Hydraulic System
●●●
Pressure-compensating load-sensing hydraulic system
●●● In-cab adjustable automatic bucket positioner
●●● In-cab adjustable automatic boom height kickout
control
●●● In-cab adjustable automatic boom return-to-carry
control
444 544 624
Hydraulic System
(continued)
●●● Reservoir sight gauge
●●● Spin-on hydraulic filters, vertical mounting
●●● Hydraulic lever lockout
●●● Two-function hydraulic valve with single-lever control
▲▲▲ Two-function hydraulic valve with two-lever fingertip
controls and adjustable wristrest
▲▲▲ Three-function hydraulic valve with single-lever
control and auxiliary lever for third function
▲▲▲ Three-function hydraulic valve with two-lever finger-
tip controls, adjustable wristrest, and auxiliary lever
for third function
▲▲▲ Four-function hydraulic valve, with dual single-lever
controls
▲▲▲ Hydraulic conversion kits, two-to-three- and three-
to-four-function valves
▲▲▲ Ride control, programmable auto speed
▲▲▲ Hydraulic control system for quick-coupler locking pins
Electrical
●●●
24-volt electrical system
●●● Solid-state electrical power distribution system
●●● High-capacity batteries (2), 12 volt with 950 CCA,
200-min. rated reserve
●●● Master electrical disconnect switch
●●● Alternator, high capacity, 80 amps and 24 volts
▲▲▲ Alternator trash covers
●●● Lights (conform to SAE 99): Driving with guards /
Turn signals and flashers / Stop and taillights
●●● LED heavy-duty taillights and turn signals
●●● Work lights, front (4) and rear (2)
●●● Horn, with push button in center of steering wheel
(conforms to SAE J994, J1446)
●●● Reverse warning alarm (conforms to SAE J994, J1446)
●●● Computerized multifunction monitor
●●● Audible and visual warnings: Amber caution / Red
stop / Analog gauges: Engine coolant temperature,
transmission oil temperature, fuel level, hydraulic
oil temperature, engine oil pressure / Digital instru-
ments: Engine rpm, odometer, transmission gear
indicator, speedometer, hour meter / Operator warn-
ing lights: Check engine, engine oil pressure, engine
air filter restriction, battery voltage, transmission
filter restriction, brake pressure, hydraulic oil filter,
fasten seat belt, transmission fault, hydraulic oil
temperature
●●● Indicator lights: Park brake / Ride control / Turn signals
and warning flashers / Coupler pin disconnect / Engine
preheater / Secondary steering / Work lights
●●● Built-in diagnostics: Fault code retrieval
▲▲▲ AM/FM/WB stereo radio
▲▲▲ AM/FM/WB stereo radio with cassette
▲▲▲ AM/FM/WB stereo radio with CD
▲▲▲ 5-amp, 12-volt convertor with one power plug
▲▲▲ 10-amp, 12-volt convertor with two power plugs
●●● Cab wired for rotating beacon
▲▲▲ Electrical corrosion-prevention package
Operator’s Station
●●●
Canopy (conforms to SAE J1040 APR88): ROPS/FOPS /
Multiplane isolation mounted for noise/vibration
reduction / Optional canopy rear window glass, for
noise reduction
▲▲▲ Cab (conforms to SAE J1040 ARP88): ROPS/FOPS /
Heater/defroster / Multiplane isolation mounted for
noise/vibration reduction / Front and rear windshield
washers and intermittent wipers / Tinted safety glass
▲▲▲ Canopy rear window
▲▲▲ Air conditioning
●●● Seat belt, 3 in. (76 mm), with retractor
●●● Air-suspension seat, deluxe vinyl covered with deep
foam, high back, adjustable for weight-height, fore-
aft position, backrest tilt, and armrest angle
444 544 624
Operator’s Station
(continued)
▲▲▲ Air-suspension seat, deluxe cloth covered with deep
foam, high back, adjustable for weight-height, fore-
aft position, backrest tilt, and armrest angle
●●● Seat backrest extension
●●● Cup holder, personal cooler holder
▲▲▲ Sun visor for cab
●●● Storage compartment for operator’s manual and
other items
●●● Rubber floormat
●●● Tilt steering column
●●● Steering wheel, textured with spinner knob
●●● Rearview mirrors, outside (2) and inside (1) (conform
to SAE J985)
●●● Handholds and steps, ergonomically located and
slip resistant (conform to SAE J185)
Loader Linkage
●●●
Loader boom service locking bar (conforms to
SAE J38)
●●● Z-bar loader linkage
▲▲▲ Powerllel linkage for visibility and parallel-lift
▲▲▲ High-lift Z-bar loader linkage
Buckets and Attachments
▲▲▲
Full line of Deere hook-on buckets with selection of
bolt-on cutting edges and teeth-segmented bolt-on
cutting edges*
▲▲▲ Full line of Deere construction utility forks for couplers
▲▲▲ Worksite Pro
TM
quick-coupler which accepts JRB-
pattern attachments
▲▲▲ Hi-vis coupler which accepts Euro-pattern attachments
▲▲▲ Bolt-on fork frame guard
▲▲▲ Hydraulic control system for quick-coupler locking
pins, includes all controls in the cab, lines,and valves
Tires
▲
17.5-25 L2
▲ 17.5-25 L3
▲ 17.5R25 L2
▲ 17.5R25 L3
▲▲▲ 20.5-25 L2
▲▲ 20.5-25 L3
▲▲▲ 20.5R25 L2
▲▲ 20.5R25 L3
▲ 550/65R25 L2
▲▲ 600/65R25 L3
▲ 23.1-26 LS-2 Logger
▲ 28L-26 LS-2 Logger
▲ Single-piece rims
●●● Multi-piece rims
▲▲▲ Less wheels and tires
▲▲▲ 8-degree rear axle stops for extra-large tires and chains
Other
▲▲▲
Sound-suppression package
●●● Fenders, front
▲▲▲ Fenders, full-coverage front
▲▲▲ Fenders, full-coverage front and rear
▲▲▲ Close-mounted steps
●●● Articulation locking bar (conforms to SAE J276)
●●● Vandal protection, includes lockable engine enclosure
and fuel fill
●●● Counterweight, built-in
●●● Front and rear tie-down points
●●● Drawbar, with locking pin
▲▲▲ Rear cast bumper/counterweight with integral drawbar
▲▲▲ Transmission side frame guards
▲▲▲ Bottom guards, front frame and transmission
▲▲▲ Lift eyes
▲▲▲ Fire extinguisher
▲▲▲ License plate bracket and light
▲▲▲ Secondary steering
▲▲▲ Loadrite
TM
weighing system
444J / 544J / 624J LOADERS
Key: ● Standard equipment ▲ Optional equipment *See your John Deere dealer for further information.
Vertis QCA
1300 19th Street, Suite 200
East Moline, IL 61244
Cyan
Magenta
Yell ow Black
DKAJULDR Page 32
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