CrawlerPerformance profile
Oliver OC-12
The Oliver OC-12 is a powerful crawler tractor built for tough jobs. It has a tracked chassis, which helps it move well on rough ground. The tractor is powered by a 6-cylinder Hercules diesel engine that produces 57.93 horsepower. This engine size is about average compared to other tractors. The OC-12 has a 4-speed gear transmission with 2 reverse gears, giving it good control in different situations. This tractor is quite heavy, weighing 11,259 pounds. It's 109.75 inches long, 58 inches wide, and 66.5 inches tall. The OC-12 has an open operator station, which means the driver sits outside without a cab. It has some nice features like an upholstered seat with springs for comfort and a 12-inch belt pulley for running other equipment. The tractor uses a 6-volt battery system for starting and has a special governor to control engine speed. Tests show it can pull very heavy loads, making it great for farm work or construction tasks.
ManufacturerOliverPower57.93 hpEngine6-cylTransGear
Image not recorded
Quick specs
- Category
- Crawler
- Engine Power Output
- 58hp
- Operating Weight
- 11,259 lb
- Transmission
- Gear
At a glance
How the OC-12 compares
vs. Crawler medianDistribution
Engine Power (hp)
Across all Crawler tractors
57.93 hp · 35th
This model
18
Median 200 hp
508
This modelCrawler tractorsMediann = 142
The OC-12 ranks at the 35th percentile for engine power among recorded crawler tractors.
Overview
About the Oliver OC-12
The Oliver OC-12 is a powerful crawler tractor built for tough jobs. It has a tracked chassis, which helps it move well on rough ground. The tractor is powered by a 6-cylinder Hercules diesel engine that produces 57.93 horsepower. This engine size is about average compared to other tractors. The OC-12 has a 4-speed gear transmission with 2 reverse gears, giving it good control in different situations. This tractor is quite heavy, weighing 11,259 pounds. It's 109.75 inches long, 58 inches wide, and 66.5 inches tall. The OC-12 has an open operator station, which means the driver sits outside without a cab. It has some nice features like an upholstered seat with springs for comfort and a 12-inch belt pulley for running other equipment. The tractor uses a 6-volt battery system for starting and has a special governor to control engine speed. Tests show it can pull very heavy loads, making it great for farm work or construction tasks.
Full specifications
Every recorded spec
General
| Manufacturer | Oliver |
|---|---|
| Model | OC-12 |
| Category | Crawler tractor |
| Type | Tracked |
| Operating weight | 11,259lb |
Engine
| Make | Hercules |
|---|---|
| Power | 57.93hp |
| Cylinders | 6 |
| Displacement | 339ci |
| Bore | 4in |
| Stroke | 4.5in |
Transmission
| Type | Gear |
|---|---|
| Forward gears | 4 |
| Reverse gears | 2 |
Chassis & drive
| Chassis | Tracked |
|---|---|
| Drive | Tracked |
| Steering | Manual |
| Cab | Open |
Dimensions
| Length | 109.75in |
|---|---|
| Width | 58in |
| Height | 66.5in |
| Operating weight | 11,259lb |
Head to head
OC-12 vs. Crawler median
How the Oliver OC-12 compares to other Crawler tractors
| Spec | This model | Crawler median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 57.9 hp | 200 hp | -71% | 35th |
| Engine Displacement | 339 ci | 468 ci | -28% | 43rd |
| Cylinders | 6 | 6 | at median | 50th |
| Forward Gears | 4 | 10 | -60% | 16th |
| Operating Weight | 11,259 lb | 23,320 lb | -52% | 36th |
| Length | 110 in | 146 in | -25% | 16th |
| Width | 58 in | 79.5 in | -27% | 25th |
| Height | 66.5 in | 90.6 in | -27% | 21st |
Medians and percentiles are computed from the crawler tractors in our database with a recorded value for each spec (sample sizes 134–192 models).
Compare to tractors with similar specs
Commonly compared Oliver tractors
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| Oliver OC-6 | 34.41 hp | 5,565 lb | — | Compare → |
| Oliver OC-3 | 29 hp | 3,860 lb | 1951–1957 | Compare → |
| Oliver 1365 | 59 hp | 4,410 lb | 1971–1975 | Compare → |
| Oliver 1600 Series B | 61 hp | 7,397 lb | 1963–1964 | Compare → |
| Oliver 990 | 61.4 hp | 11,000 lb | 1958–1961 | Compare → |
Commonly compared tractors with similar horsepower from other brands
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| Belarus 406 | 58 hp | 7,056 lb | — | Compare → |
| Allis Chalmers 6070 | 58.35 hp | 7,460 lb | — | Compare → |
| Belarus 400A | 57 hp | 6,600 lb | — | Compare → |
| Belarus 405A | 57 hp | 7,650 lb | — | Compare → |
| Belarus 420A | 57 hp | 7,300 lb | — | Compare → |
Explore
Oliver siblings
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FAQ
Common questions
How much horsepower does the Oliver OC-12 have?
The Oliver OC-12 produces 57.93 hp from its 6-cylinder engine. Engine displacement is 339 ci.
How much does the Oliver OC-12 weigh?
The Oliver OC-12 weighs about 11,259 lb in operating condition.
What transmission is in the Oliver OC-12?
Transmission on the Oliver OC-12 is Gear, with 4 forward speeds.
What maintenance does the Oliver OC-12 require?
Like any tractor, the Oliver OC-12 needs periodic engine oil and filter changes, hydraulic fluid checks, and regular greasing and inspection. The owner's manual lists the manufacturer's recommended service intervals.