Oliver

Oliver 2055

The Oliver 2055 is a row-crop tractor introduced in 1971 as part of the 55 Series. It is built in Minneapolis, Minnesota, USA. The Oliver 2055 is essentially the same as the Minneapolis-Moline G1050. It features a Minneapolis-Moline 8.3L 6-cylinder diesel or LP gas engine, with power outputs of about 102 hp drawbar and 110 hp PTO claimed. Transmission options include a 10-speed two-speed power shift and a 15-speed three-speed power shift Ampli-Torc transmission. The tractor offers two- or four-wheel drive, power steering, disc brakes, and an open operator station with optional cab and climate control. It has a fuel tank capacity of 40 gallons and various hydraulic and PTO configurations. Dimensions and weights vary by configuration, with row-crop and standard wheelbases and tire sizes. Electrical system is 12 volts with alternator charging.
Power122 hp[P]
Founded1971
Model2055

Technical Specifications

Detailed specifications and technical data for Oliver 2055

Power
PTO (tested)110.78 hp (82.6 kW)
PTO (claimed)110 hp (82.0 kW)
Drawbar (tested)100.99 hp (75.3 kW)
Drawbar (claimed)102 hp (76.1 kW)
Engine
Fuel tank40 gal (151.4 L)
Rated RPM1800
Bore/Stroke4.625x5.00 inches (117 x 127 mm)
Displacement504 ci (8.3 L)
Firing order1-5-3-6-2-4
Oil capacity13 qts (12.3 L)
Diesel engineMinneapolis-Moline, 6-cylinder, liquid-cooled
LP gas engineMinneapolis-Moline, 6-cylinder, liquid-cooled
Starter volts12
Engine optionsMinneapolis-Moline 8.3L 6-cyl diesel, Minneapolis-Moline 8.3L 6-cyl LP gas
Coolant capacity33 qts (31.2 L)
LP gas Rated RPM1800
LP gas Air cleanerdry
LP gas Compression8.8:1
LP gas Firing order1-5-3-6-2-4
LP gas Oil capacity13 qts (12.3 L)
LP gas Starter volts12
LP gas Coolant capacity30 qts (28.4 L)
Weight
Diesel row-crop11200 lbs (5080 kg)
Diesel standard10700 lbs (4853 kg)
LP-gas row-crop11250 lbs (5103 kg)
LP-gas standard10750 lbs (4876 kg)
Electrical
Groundnegative
Battery volts12
Charging systemalternator
Diesel Batteries2
LP-gas Batteries1
Hydraulics
Typeopen center, closed center Optional
Valves2 or 3
Mechanical
DriveTwo- or four-wheel drive
BrakesDisc brakes
SteeringPower steering
Operator stationOpen operator station. Cab optional with heat and A/C
Production
TypeRow-Crop tractor
Series55 Series
Built inMinneapolis, Minnesota, USA
ManufacturerOliver
Original price$11,800 in 1971
Year introduced1971
Transmission
NoteFive-speed transmission with three-speed power shift.
TransmissionMinneapolis-Moline Ampli-Torc
Type (10-speed)two-speed power shift
Type (15-speed)three-speed power shift
Gears (10-speed)10 forward and 2 reverse
Gears (15-speed)15 forward and 3 reverse
Clutch (10-speed)355.6mm dry disc
Clutch (15-speed)355.6mm dry disc
Transmission options10-speed two-speed power shift, 15-speed three-speed power shift
Oil capacity (10-speed)88 qts (83.3 L)
Oil capacity (15-speed)88 qts (83.3 L)
Tractor hitch
Rear TypeIII/II
Dimensions & Tires
Width94.3 inches (239 cm)
Length171 inches (434 cm)
Rear tire18.4-34
Front tire7.50-16
Rear tread60 to 90 inches (152 to 228 cm)
Height (hood)72 inches (182 cm)
Row-crop Wheelbase104.5 inches (265 cm)
Standard Wheelbase103.75 inches (263 cm)
Row-crop Front tread56 to 80 inches (142 to 203 cm)
Standard Front tread54 inches (137 cm)
Clearance (rear axle)25 inches (63 cm)
Height (steering wheel)78 inches (198 cm)
Row-crop Clearance (front axle)22.5 inches (57 cm)
Standard Clearance (front axle)15.5 inches (39 cm)
Power Take-off (PTO)
Clutchwet disc
Rear PTOindependent
Rear PTO Type1000 (1.375), 540/1000 (1.375)