| Manufacturer | Oliver |
| Price | 6,000(USD) |
| Model | 1550 |
| Equipment Type | Row-Crop Tractors |
| Factory | Charles City, Iowa, USA |
ENGINES OVERVIEW
The Oliver 1550 tractor features a versatile 3.8L 6-cylinder engine available in diesel, gasoline, and LP-gas configurations, offering flexibility depending on fuel availability and operational needs. Key advantages include potential fuel efficiency and lower emissions with the diesel variant, while the gasoline and LP-gas options provide easier starting in cold conditions. However, the choice of fuel type may affect torque output and overall performance, necessitating consideration of the specific application, such as field work versus garden or yard use.
| Description | Oliver 3.8L 6-cyl diesel Oliver 3.8L 6-cyl gasoline Oliver 3.8L 6-cyl LP-gas |
ENGINE DETAIL 1
The Oliver 1550 is powered by a robust 6-cylinder diesel engine with a displacement of 232 ci (3.8 L), offering a compression ratio of 16.5:1, which enhances fuel efficiency and torque, particularly beneficial for heavy-duty applications. It operates optimally at a rated RPM of 2200, indicating suitability for both fieldwork and transport but may require attention to maintain operational efficiency under continuous load. Key maintenance aspects include a 5-quart oil capacity and a 20-quart coolant system, which are critical for ensuring longevity and reliability in various operational scenarios, addressing potential overheating issues especially in strenuous tasks.
| Description | Oliver diesel 6-cylinder liquid-cooled |
| Displacemen | 232ci / 3.8L |
| Bore/Strok | 3.625x3.75inches / 92x 95 mm |
| Air cleane | dry |
| Compressio | 16.5:1 |
| Rated RP | 2200 |
| Starter volt | 12 |
| Oil capacit | 5 qts/4.7 L |
| Coolant capacit | 20qts / 18.9L |
ENGINE DETAIL 2
The Oliver 1550 is powered by a 6-cylinder, liquid-cooled gasoline engine with a displacement of 232 ci (3.8L) and an 8:1 compression ratio, offering reliable performance with a rated RPM of 2200 for optimal torque delivery. With a dry air cleaner system, it minimizes maintenance but may require more frequent inspections in dusty environments. Its oil capacity of 5 quarts and coolant capacity of 20 quarts indicate a robust cooling and lubrication system, beneficial for extended use but may necessitate regular checks for optimal operation.
| Description | Oliver gasoline 6-cylinder liquid-cooled |
| Displacemen | 232ci / 3.8L |
| Bore/Strok | 3.625x3.75inches / 92x 95 mm |
| Air cleane | dry |
| Compressio | 8:1 |
| Rated RP | 2200 |
| Starter volt | 12 |
| Oil capacit | 5 qts/4.7 L |
| Coolant capacit | 20qts / 18.9L |
ENGINE DETAIL 3
The Oliver 1550 features a 6-cylinder LP-gas engine with a displacement of 232ci (3.8L) and an 8.75:1 compression ratio, offering efficient power delivery at a rated RPM of 2200. Its dry air cleaner provides reliable filtration, which is crucial for maintaining engine performance in variable conditions. However, the oil capacity of 5 quarts and a coolant capacity of 20 quarts necessitate regular maintenance checks to prevent overheating and ensure optimal lubrication, particularly when operating in extended duty cycles or under heavy loads.
| Description | Oliver LP-gas 6-cylinder liquid-cooled |
| Displacemen | 232ci / 3.8L |
| Bore/Strok | 3.625x3.75inches / 92x 95 mm |
| Air cleane | dry |
| Compressio | 8.75:1 |
| Rated RP | 2200 |
| Starter volt | 12 |
| Oil capacit | 5 qts/4.7 L |
| Coolant capacit | 20qts / 18.9L |
OLIVER 1550 ENGINES
The Oliver 1550 tractor is equipped with a versatile 3.8L 6-cylinder engine available in diesel, gasoline, and LP-gas configurations, allowing for flexibility in fuel choice depending on operational needs. Its fuel tank capacities are efficient, with a standard 27.5-gallon (104.1L) capacity for diesel and gasoline options, and an extended capacity of 34 gallons (128.7L) for LP-gas, facilitating longer operational periods without frequent refueling. However, the choice of fuel type may influence maintenance and operational costs; diesel typically offers better fuel efficiency, while LP-gas may provide cleaner emissions.
| Description | Oliver 3.8L 6-cyl diesel Oliver 3.8L 6-cyl gasoline Oliver 3.8L 6-cyl LP-gas |
| Gas Fuel tan | 27.5gal / 104.1L |
| Diesel Fuel tan | 27.5gal / 104.1L |
| LP-gas Fuel tan | 34gal / 128.7L/78 gal*Capacity of optional fender fuel tanks./295.2 L |
TRANSMISSIONS OVERVIEW
The Oliver 1550 features a 12-speed partial power shift transmission with a 6-speed unsynchronized gear option, allowing for versatile speed management and smoother operation in varied field conditions. The partial power shift enhances productivity during tasks requiring frequent gear changes, although the unsynchronized option may present challenges in smooth shifts, particularly under load. This system is advantageous for farmers needing adaptability in different terrains but may require operator skill for optimal performance.
| Description | 12-speed partial power shift 6-speed unsynchronized gear |
TRANSMISSION 1
The Oliver 1550 features a Hydra-Power transmission with partial power shift, offering versatility in gear selection with 12 forward and 4 reverse speeds, which is advantageous for various field conditions. The 279.4mm dry disc clutch ensures reliable power transfer, although it may present challenges in high-load scenarios due to potential wear over time. With an oil capacity of 32 quarts (30.3L), maintaining optimal lubrication is crucial for transmission performance and longevity, particularly in demanding agricultural tasks.
| Transmissio | Hydra-Power |
| Typ | partial power shift |
| Gear | 12 forward and 4 reverse |
| Clutc | 279.4mm dry disc |
| Oil capacit | 32qts / 30.3L |
| Description | The Hydra-Power transmission provides a two-speed power shift between direct-drive and the lower Hydra-Power range. |
TRANSMISSION 2
The Oliver 1550 tractor features an unsynchronized gearbox with 6 forward and 2 reverse gears, which can lead to challenges in shifting under load due to lack of synchronization. Its 279.4mm dry disc clutch provides solid performance but may require more frequent adjustments and maintenance compared to hydrostatic options. With an oil capacity of 32 quarts (30.3 liters), it ensures adequate lubrication for extended operational periods, enhancing durability during heavy-duty tasks.
| Typ | unsynchronized gear |
| Gear | 6 forward and 2 reverse |
| Clutc | 279.4mm dry disc |
| Oil capacit | 32qts / 30.3L |
OLIVER 1550 TRANSMISSIONS
The Oliver 1550 tractor features a 12-speed partial power shift transmission, which allows for smoother gear changes under load, enhancing operational efficiency during fieldwork. However, the 6-speed unsynchronized gear may present challenges when performing rapid shifts, requiring more operator skill to manage speed changes effectively. This combination is advantageous for diverse farming scenarios, providing versatility from high-torque tasks to transport duties.
| Description | 12-speed partial power shift 6-speed unsynchronized gear |
MECHANICAL
The Oliver 1550 features a robust two-wheel drive system that enhances traction while operating on moderate terrains, complemented by its power-assisted steering for improved maneuverability. The open operator station provides ease of entry and visibility, although an optional Oliver Continental cab could enhance protection against adverse weather. Key considerations include the disc brakes' reliability in varied conditions, which can be advantageous for safety but may require more maintenance compared to drum brakes.
| Description | Two-wheel drive Disc brakes Open operator station. Oliver Continental cab optional |
| Steerin | power assist |
TRACTOR HITCH
| Rear Typ | II/I |
| Contro | lower-link draft sensing |
POWER TAKE-OFF (PTO)
| Rear PT | independent |
| Rear RP | 540/1000/540/1000 |
OLIVER 1550 TIRES
The Oliver 1550 tractor features an AG front tire size of 6.00-16 and an AG rear tire size of 15.5-38, providing a strong grip and stability for various agricultural applications. This tire combination enhances traction in field operations, particularly in plowing and tilling scenarios, though it may limit maneuverability in tight turning conditions due to the rear tire width. Operators should also consider the weight distribution and potential soil compaction effects when utilizing this tractor for heavy loads on softer ground.
| Ag fron | 6.00-16 |
| Ag rea | 15.5-38 |
DIMENSIONS & TIRES
The Oliver 1550 tractor has a 99-inch wheelbase, providing stability during operation and making it suitable for handling heavy loads or rough terrain. Weighing 7,000 lbs, it offers a relatively low ground pressure, enhancing traction on softer soils, but this can also limit maneuverability in tight spaces. The front tires (6.00-16) are smaller compared to the large rear tires (15.5-38), ensuring better weight distribution and improved pulling power, which is ideal for agricultural tasks like tilling or plowing.
| Wheelbas | 99inches / 251cm |
| Weigh | 7000lbs / 3175kg |
| Front tir | 6.00-16 |
| Rear tir | 15.5-38 |