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Oliver 550

Oliver 550 tractor
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The Oliver 550 is an industrial tractor produced from 1958 to 1975 by Oliver in Charles City, Iowa, USA. It features a 2.5L 4-cylinder engine available in diesel or gasoline versions, with power outputs ranging from 42.5 to 47 hp gross. The tractor has a 6-speed gear transmission with 2 reverse speeds, mechanical or optional power steering, disc brakes, and an open operator station. It includes an open center hydraulic system with 35 gpm flow, a rear I-type hitch with position and draft control, and an optional independent rear PTO with 540 rpm options. Dimensions include a 72.875 inch wheelbase, 119.875 inch length, and weights from 3132 to 3221 lbs depending on fuel type. Tires vary with multiple industrial front and rear sizes. Attachments include Oliver 558 and 578 loaders and Oliver 510 and 613 backhoes with detailed lift, breakout, and reach specifications.
Oliver 550industrial tractorOliver tractors2.5L diesel engine6-speed transmissionhydraulic systemPTOtractor dimensionsOliver loadersOliver backhoes
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Model550

Technical Specifications

Detailed specifications and technical data for Oliver 550

Power

Engine (net):44 hp (32.8 kW)
Engine (gross):47 hp (35.0 kW)
Gas PTO (claimed):43 hp (32.1 kW)
Diesel PTO (claimed):41 hp (30.6 kW)

Tires

Industrial rear:14.9/13-24, 11.2/10-28, 12.4/11-28, 13.6/12-26, 14.9/13-26
Industrial front:7.60-15, 5.50-16, 6.00-16, 6.50-16, 7.50-16

Engine

Fuel tank:13 gal (49.2 L)
Diesel engine:Oliver 4-cylinder liquid-cooled diesel
Diesel starter:electric
Engine options:Oliver 2.5L 4-cyl diesel, Oliver 2.5L 4-cyl gasoline
Gasoline engine:Oliver 4-cylinder liquid-cooled gasoline
Diesel rated RPM:2000
Gasoline starter:electric
Diesel air cleaner:oil bath
Diesel bore/stroke:3.625x3.75 inches (92 x 95 mm)
Diesel power (net):42.5 hp (31.7 kW)
Gasoline rated RPM:2000
Diesel displacement:155 ci (2.5 L)
Diesel oil capacity:4 qts (3.8 L)
Diesel power (gross):45.5 hp (33.9 kW)
Diesel starter volts:12
Gasoline air cleaner:oil bath
Gasoline bore/stroke:3.625x3.75 inches (92 x 95 mm)
Gasoline power (net):44 hp (32.8 kW)
Gasoline displacement:155 ci (2.5 L)
Gasoline oil capacity:4 qts (3.8 L)
Gasoline power (gross):47 hp (35.0 kW)
Gasoline starter volts:12
Diesel coolant capacity:14 qts (13.2 L)
Gasoline coolant capacity:14 qts (13.2 L)

Dimensions

Width:66.75 inches Minimum width (169 cm)
Length:119.875 inches (304 cm)
Wheelbase:72.875 inches (185 cm)
Rear tread:48 to 76 inches (121 to 193 cm)
Front tread:52 inches (132 cm)
Gas Shipping weight:3132 lbs (1420 kg)
Diesel Shipping weight:3221 lbs (1461 kg)
Height (steering wheel):57.9 inches (147 cm)

Hydraulics

Type:open center
Total flow:35 gpm (132.5 lpm)

Mechanical

Drive:Two-wheel drive
Brakes:Disc brakes
Steering:mechanical, power Optional
Operator station:Open operator station

Production

Type:Industrial tractor
Built in:Charles City, Iowa, USA
Manufacturer:Oliver
Years produced:1958 - 1975

Attachments

Backhoe:Oliver 510 Backhoe, Oliver 613 Backhoe
Loaders:Oliver 558 loader, Oliver 578 loader

Transmission

Type:gear
Gears:6 forward and 2 reverse
Clutch:254mm mechanical dry disc

Tractor hitch

Control:position and draft control
Rear Type:I

Oliver 558 loader

Boom rod:1.5 inches (3 cm)
Bucket rod:1.5 inches (3 cm)
Boom cylinder:2.5 inches (6 cm)
Bucket widths:42 inches (106 cm), 60 inches (152 cm), 68 inches (172 cm)
Lift capacity:1800 lbs lift (full at pin) (816 kg)
Breakout force:3400 lbs breakout (bucket) (1542 kg)
Bucket cylinder:2.5 inches (6 cm)
Clearance level:120 inches (304 cm)
Clearance dumped:102 inches (259 cm)

Oliver 578 loader

Boom rod:2.5 inches (6 cm)
Reach dumped:25.25 inches (64 cm)
Boom cylinder:2.5 inches (6 cm)
Height at pin:131 inches (332 cm)
Lift capacity:2000 lbs lift (full at pin) (907 kg)
Breakout force:3825 lbs breakout (1735 kg)
Clearance dumped:109.5 inches (278 cm)

Oliver 510 Backhoe

Backhoe type:Oliver 510 Backhoe
Digging depth:120 inches (304 cm)
Loading height:89.75 inches (227 cm)
Reach from pivot:151 inches (383 cm)

Oliver 613 Backhoe

Swing Arc:180°
Backhoe type:Oliver 613 Backhoe
Digging depth:156 inches (396 cm)
Loading height:104 inches (264 cm)
Reach from pivot:182.5 inches (463 cm)

Power Take-off (PTO)

Rear PTO:independent Optional
Engine RPM:545@1600, 1000@2000
Rear PTO Type:540 (1.375), 540 (1.125)