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Oliver OC-156

Oliver OC-156 tractor
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The Oliver OC-156 is a crawler loader produced by Oliver from 1956 to 1961. Built in Cleveland, Ohio, USA, it features a Hercules 8.7L 6-cylinder liquid-cooled diesel engine delivering 110 hp net power. The tractor has a 4-speed transmission with 4 forward and 2 reverse gears, and a crawler drive with 16-inch tracks. It has an open operator station and a hydraulic system with 21 gallons capacity and 1600 psi pressure. The OC-156 is equipped with a front-end loader attachment with a 48° dump angle and 44 inches reach. It weighs between 27,700 and 28,200 pounds and measures 180 inches in length, 96 inches in width, and 67.5 inches in height.
Oliver OC-156crawler loadertractor specificationsHercules engine4-speed transmissionhydraulic systemfront-end loader
Power-
Founded-
ModelOC-156

Technical Specifications

Detailed specifications and technical data for Oliver OC-156

Power

Engine (net):110 hp (82.0 kW)
Belt (claimed):104.6 hp (78.0 kW)
Drawbar (claimed):94.2 hp (70.2 kW)

Engine

Type:diesel
Model:Hercules DRXC
Cooling:liquid-cooled
Starter:electric
Cylinders:6-cylinder
Rated RPM:1500
Bore/Stroke:4.625x5.25 inches (117 x 133 mm)
Power (net):110 hp (82.0 kW)
Displacement:529 ci (8.7 L)
Starter volts:24

Tracks

Width:16 inches (40 cm)
Area on ground:2788 in² (1.8 m²)
Length on ground:87.125 inches (221 cm)

Dimensions

Gauge:74 inches (187 cm)
Width:96 inches (243 cm)
Height:67.5 inches (171 cm)
Length:180 inches (457 cm)
Shipping weight:27700 lbs (12564 kg)
Operating weight:28200 lbs (12791 kg)

Hydraulics

Type:open center
Valves:2 to 4
Capacity:21 gal (79.5 L)
Pressure:1600 psi (110.3 bar)
Pump flow:42 gpm (159.0 lpm)

Mechanical

Drive:crawler
Operator station:Open operator station

Production

Type:Crawler Loader
Built in:Cleveland, Ohio, USA
Years produced:1956 - 1961

Attachments

Loader:front-end loader
Dump time:6s
Dump angle:48° dump
Raise time:8s
Bucket width:96 inches (243 cm)
Reach (dumped):44 inches (111 cm)
Height (at pin):121 inches (307 cm)
Rollback (raised):47°
Clearance (dumped):117 inches (297 cm)
Rollback (ground line):40°

Transmission

Type:4-speed
Gears:4 forward and 2 reverse
Oil capacity:36 qts (34.1 L)