Oliver

Oliver OC-12

The Oliver OC-12 is an agricultural crawler tractor produced from 1955 to 1960 by Oliver in Cleveland, Ohio, USA. It features Hercules 5.6L 6-cylinder gasoline and 4.9L 6-cylinder diesel engine options, a 4-speed gear transmission with 4 forward and 2 reverse gears, and a crawler drive. The tractor has an open operator station and weighs 10925 lbs (4955 kg). It is equipped with 14-inch tracks and offers attachments such as front-mount blades with hydraulic lift and tilt capabilities.
Power63 hp
Founded1955 - 1960
ModelOC-12

Technical Specifications

Detailed specifications and technical data for Oliver OC-12

Power
Engine power63 hp (47.0 kW)
Belt (tested)57.93 hp (43.2 kW)
Belt (claimed)59 hp (44.0 kW)
Drawbar (tested)50.83 hp (37.9 kW)
Drawbar (claimed)53 hp (39.5 kW)
Engine
Fuel tank35 gal (132.5 L)
Engine optionsHercules 5.6L 6-cyl gasoline, Hercules 4.9L 6-cyl diesel
Hercules DJXC diesel6-cylinder, liquid-cooled vertical I-head, Displacement 298 ci (4.9 L), Bore/Stroke 3.75x4.50 inches (95 x 114 mm), Power 61.5 hp (45.9 kW), Compression 15.5:1, Rated RPM 1750, Starter volts 12, Oil capacity 12 qts (11.4 L), Coolant capacity 20 qts (18.9 L)
Hercules JXLD gasoline6-cylinder, liquid-cooled vertical L-head, Displacement 339 ci (5.6 L), Bore/Stroke 4.00x4.50 inches (102 x 114 mm), Power 63 hp (47.0 kW), Compression 6.25:1, Rated RPM 1750, Starter volts 6, Coolant capacity 24 qts (22.7 L)
Tracks
4-roller width14 inches (35 cm)
5-roller width14 inches (35 cm)
4-roller area on ground1897 in² (1.2 m²)
5-roller area on ground2002 in² (1.3 m²)
4-roller length on ground67.75 inches (172 cm)
5-roller length on ground71.5 inches (181 cm)
Variants
OC-12crawler
OC-126crawler-loader
Dimensions
Gauge44 inches (111 cm), 60 inches (152 cm)
Width58 inches (44 gauge) (147 cm), 76 inches (60 gauge) (193 cm)
Height66.5 inches (168 cm)
Length109.75 inches (278 cm)
Weight10925 lbs (diesel) (4955 kg)
Ground clearance14.1 inches (35 cm)
Mechanical
Drivecrawler
Operator stationOpen operator station
Production
TypeAgricultural Crawler tractor
Built inCleveland, Ohio, USA
Years produced1955 - 1960
Attachments
Blade Oliver HB-12Wfront-mount, 36 inches lift (91 cm), 12 inches tilt (30 cm), 12 inches cut (30 cm), hydraulic-lift
Blade Oliver HT-12W9 inches tilt (22 cm), Angling 25°, 19.25 inches cut (48 cm)
Transmission
Typegear
Gears4 forward and 2 reverse
Oil capacity32 qts (30.3 L)