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John Deere 444D

John Deere 444D tractor
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The John Deere 444D is a wheel loader produced from 1985 to 1987. It features a John Deere 5.4L 6-cylinder diesel engine delivering 97 hp gross and 90 hp net power. The tractor has a 4-speed power shift transmission with 4 forward and 2 reverse gears. It is equipped with four-wheel drive, articulated power steering, hydraulic wet disc brakes, and a four-post ROPS with canopy, with an optional cab with air-conditioning. The loader attachment offers a lift capacity of 7110 lbs and breakout force of 17000 lbs, with various operational angles and times. The 444D has a wheelbase of 94.5 inches, length of 231.1 inches, and operating weight of 19220 lbs. It uses industrial tires sized 15.5-25, 13.00-24, and 17.5-25. The hydraulic system is open center with 2250 psi pressure and 40.8 gpm pump flow. Electrical system includes a 12-volt battery with 625 CCA and alternator charging.
John Deere 444Dwheel loadertractor specs5.4L diesel engine97 hp4-speed power shifthydraulic systemloader attachment
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Model444D

Technical Specifications

Detailed specifications and technical data for John Deere 444D

Power

Engine (net):90 hp (67.1 kW)
Engine (gross):97 hp (72.3 kW)

Tires

Industrial rear:15.5-25, 13.00-24, 17.5-25
Industrial front:15.5-25, 13.00-24, 17.5-25

Engine

Type:diesel, 6-cylinder, liquid-cooled
Model:John Deere 6-329D
Torque:247 lb-ft (334.9 Nm)
Starter:electric
Fuel tank:50 gal (189.2 L)
Rated RPM:2400
Torque RPM:1300
Air cleaner:dry
Bore/Stroke:4.02x4.33 inches (102 x 110 mm)
Power (net):90 hp (67.1 kW)
Displacement:329 ci (5.4 L)
Oil capacity:12 qts (11.4 L)
Power (gross):97 hp (72.3 kW)
Starter volts:12
Coolant capacity:22 qts (20.8 L)

Dimensions

Length:231.1 inches (586 cm)
Wheelbase:94.5 inches (240 cm)
Rear tread:70 inches (177 cm)
Front tread:70 inches (177 cm)
Height (ROPS):119 inches (302 cm)
Height (exhaust):116 inches (294 cm)
Operating weight:19220 lbs (8718 kg)

Electrical

Battery CCA:625
Battery volts:12
Charging system:alternator
Cab Charging amps:90
ROPS Charging amps:42

Hydraulics

Type:open center
Pressure:2250 psi (155.1 bar)
Pump flow:40.8 gpm (154.4 lpm)

Mechanical

ROPS:Four-post ROPS with canopy. Cab optional with available air-conditioning.
Drive:Four-wheel drive
Brakes:Hydraulic wet disc brakes
Steering:Articulated power steering
Final drives:inboard planetary

Production

Type:Wheel Loader
Years made:1985 - 1987

Attachments

Loader

Boom rod:2.25 inches (5 cm)
Dump time:1.5s
Bucket rod:2.25 inches (5 cm)
Dump angle:46.5°
Lower time:3.4s
Raise time:5.9s
Bucket width:88 inches (223 cm)
Boom cylinder:5.25 inches (13 cm)
Breakout force:17000 lbs (7711 kg)
Reach (dumped):32.9 inches (83 cm)
Bucket cylinder:5.25 inches (13 cm)
Height (at pin):125.3 inches (318 cm)
Clearance (dumped):109.2 inches (277 cm)
Rollback (ground line):40°
Lift capacity (full at pin):7110 lbs (3225 kg)

Transmission

Type:power shift
Gears:4 forward and 2 reverse

Related Models

John Deere 544D

Model:544D

John Deere 444C

Model:444C