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John Deere 550A

John Deere 550A tractor
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The John Deere 550A is a bulldozer manufactured by John Deere from 1983 to 1984. It features a John Deere 4.5L 4-cylinder turbocharged diesel engine producing 86 hp gross and 78 hp net. The tractor uses a 3-speed power shift transmission and has a crawler drive with optional cab and four-post ROPS. It has a fuel capacity of 36 gallons and a hydraulic system capacity of 9.5 gallons with an open center type hydraulic system. The 550A weighs 15,820 lbs and rides on 16-inch wide tracks. It is equipped with a 96-inch front-mount blade with hydraulic lift and angling capabilities. The 550A was built in Dubuque, Iowa, USA, and is part of a series including the 550 and 550B models.
John Deere 550Abulldozertractorspecs86 hpdieselpower shiftcrawler19831984
Power-
Founded-
Model550A

Technical Specifications

Detailed specifications and technical data for John Deere 550A

Power

Engine (net):78 hp (58.2 kW)
Engine (gross):86 hp (64.1 kW)

Engine

Type:turbocharged diesel, 4-cylinder, liquid-cooled
Model:John Deere 4.5L 4-cyl diesel
Torque:250 lb-ft (339.0 Nm)
Starter:electric
Rated RPM:2200
Torque RPM:1300
Bore/Stroke:4.19x5.00 inches (106 x 127 mm)
Compression:16.2:1
Power (net):78 hp (58.2 kW)
Displacement:276 ci (4.5 L)
Oil capacity:15 qts (14.2 L)
Power (gross):86 hp (64.1 kW)
Starter volts:12
Coolant capacity:20 qts (18.9 L)

Capacity

Fuel:36 gal (136.3 L)
Hydraulic system:9.5 gal (36.0 L)

Variants

550A:bulldozer
555A:loader-crawler

Hydraulics

Type:open center
Capacity:9.5 gal (36.0 L)
Pressure:2250 psi (155.1 bar)
Pump flow:17 gpm (64.3 lpm)
Optional pump flow:23 gpm (87.1 lpm)

Mechanical

Drive:crawler
Safety:Four-post ROPS. Cab optional.

Production

Type:Bulldozer
Built in:Dubuque, Iowa, USA
Years made:1983 - 1984

Attachments

Cut:12.6 inches (32 cm)
Lift:37.4 inches (94 cm)
Tilt:11.75 inches (29 cm)
Blade:96" Blade
Mount:front-mount
Angling:25°
Lift type:hydraulic-lift
Blade model:John Deere 6405
Blade width:96 inches (243 cm)
Blade height:32 inches (81 cm)

Transmission

Type:power shift
Gears:3 forward and reverse
Oil capacity:54 qts (51.1 L)

Dimensions & Tracks

Gauge:52 inches (132 cm)
Weight:15820 lbs (7175 kg)
Track width:16 inches (40 cm)
Dozer length:148 inches (375 cm)
Height (ROPS):100.9 inches (256 cm)
Ground pressure:6.8 psi (0.5 bar)
Track area on ground:2328 in² (1.5 m²)
Track length on ground:72.75 inches (184 cm)

Related Models

John Deere 550B

Model:550B

John Deere 550

Model:550