John Deere industrial tractors

John Deere 544B

The John Deere 544B is a wheel loader produced from 1974 to 1980. It features a John Deere 6.8L 6-cylinder turbocharged diesel engine delivering 115 hp gross and 105 hp net power. The loader has a 4-speed power shift transmission with 4 forward and 2 reverse gears. It includes four-wheel drive with inboard planetary final drives, articulated power steering, and hydraulic wet disc brakes. The loader is equipped with a four-post ROPS with canopy, with a cab option available. Hydraulics are open center type with 2250 psi pressure and 44.5 gpm pump flow. Dimensions include a 94.5 inch wheelbase, 228 inch length, and operating weight of 21510 lbs. Tires are industrial size 17.5-25 or 14.00-24 front and rear. Electrical system includes an alternator and two 12-volt batteries. The front-end loader attachment has a breakout force of 17795 lbs, 45° dump angle, 33.4 inch reach, and 88 inch bucket width.

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Model544B

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Technical Specifications

Detailed specifications and technical data for John Deere 544B

Power

Engine (net)	105 hp (78.3 kW)
Engine (gross)	115 hp (85.8 kW)

Tires

Industrial rear	17.5-25, 14.00-24
Industrial front	17.5-25, 14.00-24

Engine

Type	turbocharged diesel, 6-cylinder, liquid-cooled
Model	John Deere 6.8L 6-cyl diesel
Torque	325 lb-ft (440.7 Nm)
Starter	electric
Fuel tank	40 gal (151.4 L)
Rated RPM	2200
Torque RPM	1300
Air cleaner	dry
Bore/Stroke	4.19x5.00 inches (106 x 127 mm)
Power (net)	105 hp (78.3 kW)
Displacement	414 ci (6.8 L)
Oil capacity	20 qts (18.9 L)
Power (gross)	115 hp (85.8 kW)
Starter volts	12
Coolant capacity	32 qts (30.3 L)

Height

Cab	122 inches (309 cm)
ROPS	117 inches (297 cm)
Exhaust	121 inches (307 cm)

Dimensions

Length	228 inches (579 cm)
Wheelbase	94.5 inches (240 cm)
Rear tread	70 inches (177 cm)
Front tread	70 inches (177 cm)
Ground clearance	14.5 inches (36 cm)
Operating weight	21510 lbs (9756 kg)

Electrical

Batteries	2
Battery CCA	625
Battery volts	12
Charging system	alternator

Hydraulics

Type	open center
Pressure	2250 psi (155.1 bar)
Pump flow	44.5 gpm (168.4 lpm)
Steering flow	26.5 gpm (100.3 lpm)
Steering press.	2350 psi (162.0 bar)

Mechanical

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

Production

Type	Wheel Loader
Years produced	1974 - 1980

Attachments

Dump angle	45°
Bucket width	88 inches (223 cm)
Reach (dumped)	33.4 inches (84 cm)
Height (at pin)	134.5 inches (341 cm)
Clearance (dumped)	107.4 inches (272 cm)
Loader breakout force	17795 lbs (8071 kg)
Rollback (ground line)	42°