Oliver 550

Oliver 550The Oliver 550 is a 2WD utility tractor manufactured by Oliver in Charles City, Iowa, USA from 1958 to 1975.

The Oliver 550 is equipped with one of two engines: a 2.5 L (155.0 cu·in) four-cylinder gasoline engine or a 2.5 L (155.0 cu·in) four-cylinder diesel engine and a gear-type transmission with 6 forward and 2 reverse gears and dry disc clutch.

This utility tractor used power assist steering, differential mechanical dry disc brakes, an open operator station, and 49.2 liters (13 US gal.; 10.8 Imp. gal) fuel tank.

The tractor could be equipped with the following engines:

  • Oliver. It is a 2.5 L, 2,540 cm2, (155.0 cu·in) four-cylinder natural aspirated gasoline engine with 92.0 mm (3.62 in) of the cylinder bore and 95.0 mm (3.74 in) of the piston stroke. The compression ratio rating is 7.75:1. This engine produced 42 PS (30.9 kW; 41.4 HP) at 2,000 rpm of PTO output power.
  • Oliver. It is a 2.5 L, 2,540 cm2, (155.0 cu·in) four-cylinder natural aspirated diesel engine. The cylinder bore is 92.0 mm (3.62 in) and the piston stroke is 95.0 mm (3.74 in). The compression ratio rating is 16.0:1. This engine produced 42 PS (30.9 kW; 41.4 HP) at 2,000 rpm of PTO output power.

Oliver 550 Specifications

General Specifications
Model Oliver 550
Length
Width
Height
Wheel base 1,860 mm (73.2 in)
Weight (operating) 1,690 kg (3,726 lbs)
Fuel tank capacity 49.2 liters (13 US gal.; 10.8 Imp. gal)
Battery Two 6V (Diesel), One 12V (gasoline)
Cabin type Open operator station
Engine
Engine model Oliver
Engine type Four-stroke, liquid-cooled, inline
Cylinders 4
Fuel type Gasoline
Displacement 2.5 L, 2,540 cm2, (155.0 cu·in)
Bore and stroke 92.0 mm X 95.0 mm (3.62 in X 3.74 in)
Compression ratio 7.75:1
Horsepower 42 PS (30.9 kW; 41.4 HP) at 2,000 rpm
Starter Electric
Engine
Engine model Oliver
Engine type Four-stroke, liquid-cooled, inline
Cylinders 4
Fuel type Diesel
Displacement 2.5 L, 2,540 cm2, (155.0 cu·in)
Bore and stroke 92.0 mm X 95.0 mm (3.62 in X 3.74 in)
Compression ratio 16.0:1
Horsepower 42 PS (30.9 kW; 41.4 HP) at 2,000 rpm
Starter Electric
Transmission and chassis
Chassis 4×2 2WD
Steering type Power assist
Brakes Differential mechanical dry disc
Transmission model
Transmission type Gear type with dry disc clutch
Gears 6 forward and 2 reverse
Speed Forward: 23.9 kmh (14.9 mph) Reverse: 6.6 kmh (4.1 mph)
Transmission oil capacity 18.9 L (5 US. gal, 4.2 Imp. gal.)
Tires
Front tires Ag: 6.00-16
Rear tires Ag: 12-26
Three-Point Hitch
Category I
Control type
Lift capacity (at ends)
PTO (Power take-off shaft)
Rear PTO type Independent
Rear PTO speed 540/1000 rpm
Hydraulic system
Hydraulic type Open center
Hydraulic capacity 9.5 L (2.5 US. gal, 2.1 Imp. gal.)
Pump flow 5.25 gpm (19.9 lpm)