Oliver Super 55

The Oliver Super 55 is a tractor produced by Oliver. It is equipped with a 144 ci 2.4 L engine. The rated power output is 33.71 hp 25.1 kW. Transmission: 6 forward and 2 reverse. Operating weight: 3,400 lbs 1542 kg.

Overview

	1954 - 1958 Utility tractor
1954 - 1958
Utility tractor

Production
Manufacturer	Oliver
Utility tractor
Original price was $2,750 in 1958

Oliver Super 55 Transmission
6-speed unsynchronized gear
Transmission details ...

Oliver Super 55 Power
Drawbar (claimed)	23.3 hp 17.4 kW
PTO (claimed)	32.65 hp 24.3 kW
Drawbar (tested)	29.60 hp 22.1 kW
Belt (tested)	34.39 hp 25.6 kW
Performance test details ...

Mechanical
Two-wheel drive
Mechanical disc brakes
Open operator station.

Power Take-off (PTO)
Rear PTO	live
Rear PTO Type	540 (1.375)

Dimensions & Tires
Wheelbase	73 inches 185 cm
Weight	3,400 lbs 1542 kg
Front tire	6.00-16
Rear tire	11-28
Full dimensions and tires ...

References
2-3 Plow Super 55 Tractor published in 1955, by Oliver

Engine

Engine options
Oliver 2.4L 4-cyl gasoline
Oliver 2.4L 4-cyl diesel

Engine Detail — 144 ci / 2.4 L Gasoline

Manufacturer	Oliver
Fuel Type	Gasoline
Configuration	4-cylinder, liquid-cooled inline
Displacement	144 ci 2.4 L
Bore/Stroke	3.50x3.75 inches 89 x 95 mm
Air cleaner	oil bath
Compression	7:1
Rated RPM	2000
Starter volts	6
Coolant capacity	14 qts 13.2 L

Oliver Super 55 Engine

Engine Detail — 144 ci / 2.4 L Diesel

Manufacturer	Oliver
Fuel Type	Diesel
Configuration	4-cylinder, liquid-cooled inline
Displacement	144 ci 2.4 L
Bore/Stroke	3.50x3.75 inches 89 x 95 mm
Air cleaner	oil bath
Compression	15.75:1
Rated RPM	2000
Starter volts	12

Oliver Super 55 Engine

Transmission

Transmission — 6 forward and 2 reverse unsynchronized gear

Type	unsynchronized gear
Gears	6 forward and 2 reverse
Clutch	dry plate

Dimensions

Oliver Super 55 Tires
Ag front	6.00-16
Ag rear	11-28

Dimensions
Wheelbase	73 inches 185 cm
Length	120 inches 304 cm
Height	71 inches 180 cm
Operating weight	3,400 lbs 1542 kg
Ballasted weight	5,500 lbs 2494 kg
Front tread	48 to 76 inches 121 to 193 cm
Rear tread	48 to 76 inches 121 to 193 cm

Tests

Tractor Tests
NTTL 524: gasoline 6-speed 2WD
NTTL 526: diesel 6-speed 2WD

Nebraska Tractor Test 524
Gasoline 6-speed 2WD September 27, 1952 - October 12, 1954 Link: Nebraska Tractor Test 524 file
Belt power (max)	34.39 hp 25.6 kW
Belt fuel use (max)	3.1 gal/hour 11.7 l/hour
Drawbar performance
Max power	29.60 hp 22.1 kW
Gear 4 used for power test.
Max pull	3,539 lbs 1605 kg
Gear 1 used for pull test.

Nebraska Tractor Test 526
Diesel 6-speed 2WD September 27 - October 14, 1954 Link: Nebraska Tractor Test 526 file
Belt power (max)	33.71 hp 25.1 kW
Belt fuel use (max)	2.4 gal/hour 9.1 l/hour
Drawbar performance
Max power	27.45 hp 20.5 kW
Gear 4 used for power test.
Max pull	3,641 lbs 1651 kg
Gear 1 used for pull test.

Photos

Oliver Super 55

Oliver Super 55