John Deere industrial tractors

John Deere 544A

The John Deere 544A is a wheel loader produced from 1971 to 1973. It features a John Deere 5.4L 6-cylinder liquid-cooled diesel engine producing 104 hp gross and 94 hp net. The loader has a 4-speed power shift transmission with torque converter and automatic shifting between gears. It includes four-wheel drive, articulated power steering, hydraulic wet disc brakes, and a cab with heat. The hydraulics system is open center with 2250 psi pressure and 42 gpm pump flow. Dimensions include a 94.5 inch wheelbase, 230 inch length, and operating weight of 20647 lbs. The loader attachment offers a breakout force of 14877 lbs, 45° dump angle, and a bucket width of 92.1 inches. Tires are available in various industrial sizes front and rear. Electrical system includes a 12 volt alternator and two batteries.

Power-

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Model544A

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Technical Specifications

Detailed specifications and technical data for John Deere 544A

Power

Engine (net)	94 hp (70.1 kW)
Engine (gross)	104 hp (77.6 kW)

Tires

Industrial rear	15.5-25, 13-24, 14-24, 17.5-25
Industrial front	15.5-25, 13-24, 14-24, 17.5-25

Engine

Type	diesel, 6-cylinder, liquid-cooled
Model	John Deere 5.4L 6-cyl diesel
Torque	240 lb-ft (325.4 Nm)
Starter	electric
Fuel tank	40 gal (151.4 L)
Rated RPM	2500
Torque RPM	1300
Air cleaner	dry
Bore/Stroke	4.02x4.33 inches (102 x 110 mm)
Compression	16.2:1
Power (net)	94 hp (70.1 kW)
Displacement	329 ci (5.4 L)
Oil capacity	12 qts (11.4 L)
Power (gross)	104 hp (77.6 kW)
Starter volts	12
Coolant capacity	30 qts (28.4 L)

Dimensions

Length	230 inches (584 cm)
Wheelbase	94.5 inches (240 cm)
Rear tread	70 to inches (177 to 0 cm)
Front tread	70 to inches (177 to 0 cm)
Height (cab)	124 inches (314 cm)
Ground clearance	14.5 inches (36 cm)
Height (exhaust)	120 inches (304 cm)
Operating weight	20647 lbs (9365 kg)

Electrical

Batteries	2
Battery volts	12
Charging system	alternator

Hydraulics

Type	open center
Pressure	2250 psi (155.1 bar)
Pump flow	42 gpm (159.0 lpm)
Steering flow	28 gpm (106.0 lpm)
Steering pressure	2000 psi (137.9 bar)

Mechanical

Cab	standard with heat
Drive	Four-wheel drive
Brakes	Hydraulic wet disc brakes
Steering	Articulated power steering
Final drives	inboard planetary

Production

Type	Wheel Loader
Manufacturer	John Deere
Years produced	1971 - 1973

Attachments

Type	front-end loader
Dump angle	45°
Bucket width	92.1 inches (233 cm)
Reach (dumped)	34.7 inches (88 cm)
Height (at pin)	134.5 inches (341 cm)
Clearance (dumped)	105.8 inches (268 cm)
Loader breakout force	14877 lbs (6748 kg)
Rollback (ground line)	42°

Transmission

Type	power shift
Gears	4 forward and 2 reverse
Details	Power shift transmission with torque converter. Automatic shift between 1-2 and 3-4.
Oil capacity	39 qts (36.9 L)