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Ascot Universal 550

Ascot Universal 550 tractor
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The Ascot Universal 550 is a farm tractor built by Ascot Universal in Brasov, Romania. It features a UTB 3.1L 4-cylinder liquid-cooled diesel engine producing 55 hp (41.0 kW) with a 12-speed constant mesh transmission and an 8-speed shuttle option. The tractor offers two- or four-wheel drive, mechanical rear differential lock, power steering, dry band brakes, and optional cab with ROPS. It has an open center hydraulic system with 10.8 gpm pump flow and a rear hitch with position and draft control capable of lifting 4630 lbs (2100 kg). The rear live PTO operates at 540 rpm. Tires are 7.50-16 front and 18.4-28 rear, and the tractor weighs 4600 lbs (2086 kg). Originally priced at $24,000 in 1981, it is a versatile and robust tractor suitable for various farm tasks.
Ascot Universal 550farm tractorUTB 3.1L diesel engine55 hp tractor12-speed transmission4WD tractorhydraulic systemPTOtractor dimensions
Power55 hp
Founded1974 - 1981
ModelUniversal 550

Technical Specifications

Detailed specifications and technical data for Ascot Universal 550

Power

Engine:55 hp (41.0 kW)
PTO (claimed):53 hp (39.5 kW)

Engine

Model:UTB 3.1L 4-cyl diesel
Fuel tank:14.2 gal (53.7 L)
Rated RPM:2400
Air cleaner:oil bath
Bore/Stroke:3.74x4.331 inches (95 x 110 mm)
Compression:17:1
Fuel system:direct injection
Displacement:190.3 ci (3.1 L)
Starter power:4 hp (3.0 kW)
Starter volts:12

Electrical

Ground:negative
Battery volts:12
Charging system:alternator

Hydraulics

Type:open center
Valves:1
Pump flow:10.8 gpm (40.9 lpm)

Mechanical

ROPS:ROPS. Cab optional.
Drive:Two- or four-wheel drive
Brakes:Dry band brakes
Power steering:yes
Differential lock:mechanical rear

Production

Built in:Brasov, Romania
Manufacturer:Ascot Universal
Original price:$24,000 in 1981

Transmission

Type:constant mesh
Gears:12 forward and 3 reverse
Clutch:dry disc
Details:Four gears (1-4) plus reverse (R) in three ranges (creeper, low, and high). Gears 3 and 4 are synchronized.

Shuttle

Note:With 14.9x28 rear tires. Reverse speeds are 15% faster than forward.
Type:shuttle
Gears:8 forward and reverse
Clutch:dry disc

Tractor hitch

Control:position and draft control
Rear Type:II/I
Rear lift:4630 lbs (2100 kg)

Dimensions & Tires

Weight:4600 lbs (2086 kg)
Rear tire:18.4-28
Front tire:7.50-16

Power Take-off (PTO)

Rear PTO:live
Rear PTO Type:540