| Manufacturer | Oliver |
| Price | 18,500(USD) |
| Model | 2255 |
| Equipment Type | Row-Crop Tractors |
| Factory | Charles City, Iowa, USA |
NEBRASKA TRACTOR TEST 1140 2
| Description | Diesel 18-speed 2WD September 4 - 17, 1973 Link: Nebraska Tractor Test 1140 file PTO performance Drawbar performance Gear 4-Direct used for power test. Gear 2-Direct used for pull test |
| Power at rated engine speed | 146.72hp / 109.4kW |
| Fuel use | 7.8gal/hour / 29.5l/hour |
| Power at rated PTO speed | 147.65hp / 110.1kW |
| Max power | 115.35hp / 86.0kW |
| Max pull | 14,770lbs / 6699kg |
OLIVER 2255 POWER
| Drawbar (tested) | 115.35hp / 86.0kW |
| PTO (tested) | 146.72hp / 109.4kW |
ENGINES OVERVIEW
The Oliver 2255 tractor is powered by either a Caterpillar 9.4L or 10.4L 8-cylinder diesel engine, providing impressive torque and horsepower suited for heavy-duty agricultural tasks. Key advantages include its robust build and reliable performance in demanding conditions, but fuel efficiency may be a challenge with higher displacement engines. Operators should consider the specific terrain and load demands to determine which engine suits their farming applications best, as the larger engine may enhance performance but could increase operational costs.
| Description | Caterpillar 9.4L 8-cyl diesel Caterpillar 10.4L 8-cyl diesel |
ENGINE DETAIL 1
The Oliver 2255 tractor features a robust 8-cylinder Caterpillar 3150 diesel engine with a high displacement of 9.4L, providing substantial torque for heavy-duty applications. Its 17:1 compression ratio and rated RPM of 2600 optimize power delivery, making this tractor advantageous for tasks requiring sustained engine performance, such as plowing and heavy lifting. However, the substantial oil and coolant capacities necessitate diligent maintenance to prevent overheating and ensure reliability during prolonged operations.
| Description | Caterpillar 3150 diesel 8-cylinder liquid-cooled V-8 |
| Displacement | 573ci / 9.4L |
| Bore/Stroke | 4.50x4.50inches / 114x 114 mm |
| Air cleaner | dry element |
| Compression | 17:1 |
| Rated RPM | 2600 |
| Starter volts | 12 |
| Oil capacity | 13qts / 12.3L |
| Coolant capacity | 40qts / 37.9L |
ENGINE DETAIL 2
The Oliver 2255 tractor utilizes a Caterpillar 3208 diesel engine, offering a robust 147 horsepower with a significant displacement of 10.4L, providing strong torque suitable for heavy agricultural tasks. Its 16.5:1 compression ratio enhances fuel efficiency and performance, though the weight and potential radiator cooling limitations should be monitored during extended operations. The 2800 RPM rated speed allows for efficient power delivery, making it ideal for both tillage and hauling applications in larger farming operations.
| Description | Caterpillar 3208 diesel 8-cylinder liquid-cooled The Caterpillar 3208 replaced the 3150 in 1974, at tractor serial number 248722. Oliver listed the tractor at 147 horsepower, similar to the rating with the 3150. |
| Displacement | 636ci / 10.4L |
| Bore/Stroke | 4.50x5.00inches / 114x 127 mm |
| Compression | 16.5:1 |
| Rated RPM | 2800 |
OLIVER 2255 ENGINES
The Oliver 2255 tractor is powered by either a Caterpillar 9.4L or 10.4L 8-cylinder diesel engine, providing robust performance for heavy-duty tasks. The versatile fuel tank options—ranging from 35 gallons to 78 gallons—allow for greater operational range and reduced downtime for refueling, which is advantageous for extended fieldwork. However, the challenge of managing different tank capacities and weights must be considered to maintain optimal balance and traction during operation.
| Description | Caterpillar 9.4L 8-cyl diesel Caterpillar 10.4L 8-cyl diesel |
| Fuel tank | 35gal / 132.5L/30gal / 113.6L (cab tanks)/78gal / 295.2L (fender tanks) |
TRANSMISSIONS OVERVIEW
The Oliver 2255 tractor features an 18-speed partial power shift transmission, allowing for smoother gear transitions and reduced operator fatigue during fieldwork. With its 6-speed range, this transmission effectively enhances power management and torque delivery across a variety of tasks. Potential challenges include the complexity of the transmission system which may require skilled maintenance.
| Description | 18-speed partial power shift/6-speed |
TRANSMISSION 1
The Oliver 2255 features a Hydraul-Shift transmission with partial power shift, providing 18 forward and 6 reverse gears, allowing for smooth transitions and efficient speed management during varying field conditions. The 14-inch dry disc clutch optimizes power transfer but may require precise operation to ensure longevity and prevent slippage under heavy loads. Advantages include versatility in terrain variable operations, while potential challenges could arise from maintenance needs inherent to the hydraulic system and clutch wear.
| Transmission | Hydraul-Shift |
| Type | partial power shift |
| Gears | 18 forward and 6 reverse |
| Clutch | 14-inch dry disc |
SPEEDS 1
| Description | With 18.4-38 rear tires |
TRANSMISSION 2
The Oliver 2255 tractor features a 6-speed forward and 2-speed reverse transmission, allowing for versatile operation across various terrains and tasks. This gear configuration provides an optimal balance between speed and torque, making it suitable for both fieldwork and transport applications. However, operators may face challenges with gear selection in complex tasks, where more gears could offer finer control.
| Gears | 6 forward and 2 reverse |
SPEEDS 2
| Description | With 18.4-38 rear tires |
MECHANICAL
The Oliver 2255 tractor features a versatile 4WD configuration that enhances traction and stability on varied terrains, making it suitable for both fieldwork and loader applications. It offers an efficient 18-speed partial power shift transmission, allowing for smooth gear transitions, which is advantageous in managing load variations and optimizing engine performance. However, the open operator station may present challenges regarding operator comfort and exposure to the elements, though the optional ROPS and climate-control cab can significantly improve safety and operator conditions.
| Chassis | 4x2 2WD/4x4 MFWD 4WD |
| Steering | power |
| Brakes | hydraulic disc |
| Cab | Open operator station. Optional ROPS. Cab available with optional heat and air-conditioning. |
| Transmissions | 18-speed partial power shift/6-speed |
HYDRAULICS
| Type | closed center |
| Valves | 1 to 4 |
| Pump flow | 20gpm / 75.7lpm |
TRACTOR HITCH
| Rear Type | II/III |
| Control | draft control |
| Rear lift | 6,000lbs / 2721kg |
POWER TAKE-OFF (PTO)
| Rear PTO | independent |
| Rear RPM | 1000/540/1000 |
OLIVER 2255 TIRES
The Oliver 2255 features versatile tire configurations, enhancing its adaptability for various agricultural applications; the 2WD front tires, 14.00Lx16.1, provide stability, while the 4WD option with 16.9-26 offers improved traction. The choice of rear tire sizes (18.4-38, 23.1-34, or 20.8-38) allows for customization based on load requirements and field conditions, optimizing performance and reducing soil compaction. However, operators should consider the potential maintenance complexities associated with the 4WD system when selecting configurations for specific farming tasks.
| 2WD Ag front | 14.00Lx16.1 |
| 4WD Ag front | 16.9-26 |
| Ag rear | 18.4-38/23.1-34/20.8-38 |
DIMENSIONS
| 2WD Wheelbase | 108.3inches / 275cm |
| 4WD Wheelbase | 83.5inches / 212cm |
| 2WD Length | 166inches / 421cm |
| 4WD Length | 154inches / 391cm |
| Width | 81.5inches / 207cm |
| Weight | 16500lbs / 7484kg |
| 2WD Clearance (front axle) | 24.5inches / 62cm |
| 4WD Clearance (front axle) | 15.5inches / 39cm |
| 2WD Clearance (rear axle) | 27.3inches / 69cm |
| 4WD Clearance (rear axle) | 27.3inches / 69cm |
| 2WD Front tread | 60 to 80inches / 152to 203 cm |
| 4WD Front tread | 66 to 70.75inches / 167to 179 cm |
| Rear tread | 61 to 91inches / 154to 231 cm |
OLIVER 2255 HEIGHT
| Steering wheel | 85.4inches / 216cm |
| 2WD Exhaust | 105.7inches / 268cm |
| 4WD Exhaust | 107inches / 271cm |
DIMENSIONS & TIRES
The Oliver 2255 tractor features a robust weight of 16,500 lbs, providing stability and traction, particularly beneficial in field applications. The 2WD configuration and 108.3-inch wheelbase enhance maneuverability in tight spaces, while the 4WD option with a shorter wheelbase may offer improved traction on uneven terrain, albeit potentially sacrificing some turning radius. Considerations for tire selection and inflation are crucial, as the front and rear tire sizes (11.00-16 and 18.4-38) affect load distribution and overall performance in various soil conditions.
| 2WD Wheelbase | 108.3inches / 275cm |
| 4WD Wheelbase | 83.5inches / 212cm |
| Weight | 16500lbs / 7484kg |
| Front tire | 11.00-16 |
| Rear tire | 18.4-38 |
2255 SERIAL NUMBERS
| 1972 | 235-598 |
| 1973 | 237-210 |
| 1974 | 244-825 |
| 1975 | 258-472 |
| 1976 | 266-683 |