| Manufacturer | Rumely |
| Price | 514(USD) |
| Model | OilPull S 30/60 |
| Equipment Type | - |
| Factory | La Porte, Indiana |
NEBRASKA TRACTOR TEST 103
| Description | Kerosene September 1924 Drawbar performance |
| Belt power (max) | 70.2 hp / 52.3 kW |
| Max power | 40.6 hp / 30.3 kW |
ADVANCE-RUMELY OILPULL S 30/60 POWER
| Drawbar (claimed) | 30 hp / 22.4 kW |
| Belt (claimed) | 60 hp / 44.7 kW |
| Drawbar (tested) | 40.6 hp / 30.3 kW |
| Belt (tested) | 70.2 hp / 52.3 kW |
ENGINE DETAIL
The Rumely OilPull S 30/60 features a robust kerosene-fueled, 2-cylinder opposed engine with a significant displacement of 1399.5 ci, delivering ample torque for agricultural tasks. Its relatively low rated RPM of 470 suggests that the engine is optimized for high-efficiency, low-speed operations, enhancing fuel economy albeit potentially limiting top speed. Keep an eye on the coolant capacity of 152 quarts, ensuring efficient temperature management during prolonged use, which is critical for engine longevity.
| Description | Rumley kerosene 2-cylinder liquid-cooled horizontal opposed |
| Displacement | 1399.5 ci / 22.9 L |
| Bore/Stroke | 9.00x11.00 inches / 229 x 279 mm |
| Rated RPM | 470 |
| Coolant capacity | 152 qts / 143.9 L |
ADVANCE-RUMELY OILPULL S 30/60 ENGINE
The Rumely OilPull S 30/60 features a robust 22.9L 2-cylinder kerosene engine, providing significant torque for heavy agricultural tasks. Its large 52.5-gallon fuel tank enhances operational efficiency by reducing refueling downtime, although the choice of kerosene as fuel may limit availability in some regions. Users should consider the engine's power-to-weight ratio and potential maintenance complexities specific to kerosene engines in deciding its suitability for their farming operations.
| Description | Rumley 22.9L 2-cyl kerosene |
| Fuel tank | 52.5 gal / 198.7 L |
| Aux. fuel | 2 gal / 7.6 L |
TRANSMISSION
The Rumely OilPull S 30/60 features a basic transmission system with 3 forward and 1 reverse gear, which may limit its versatility in varying terrains compared to modern tractors with more gears. This simplicity can enhance durability and ease of maintenance; however, it may pose challenges in applications requiring quick speed changes or fine control over gear selection. Ideal scenarios for its operation would include flat, open fields where consistent speed is preferred rather than intricate maneuvers.
| Gears | 3 forward and 1 reverse |
MECHANICAL
The Rumely OilPull S 30/60, featuring a 4x2 2WD chassis, is optimized for moderate field operations with good traction on level terrain. Its 3-speed transmission allows for versatile speed control, beneficial for varying field conditions; however, it may limit performance on steep inclines. Ideal for agricultural tasks requiring steady power output, this tractor demonstrates strengths in fuel efficiency due to its oil engine design but may struggle with maneuverability in rugged landscapes.
| Chassis | 4x2 2WD |
| Transmission | 3-speed |
ADVANCE-RUMELY OILPULL S 30/60 TIRES
The Rumely OilPull S 30/60 tractor features a robust front tire size of 44x10 and substantial rear tires of 64x24, providing excellent traction and stability for agricultural applications. The steel construction enhances durability but may add weight, potentially affecting fuel efficiency and maneuverability in soft soil conditions. Its unique oil engine design offers advantages in fuel economy and power output, but the maintenance of such an engine can pose challenges due to its complexity compared to conventional tractors.
| Ag front | 44x10 steel |
| Ag rear | 64x24 steel |
DIMENSIONS
| Length | 191 inches / 485 cm |
| Width | 100 inches / 254 cm |
| Height | 114.5 inches / 290 cm |
| Weight | 17,500 lbs / 7938 kg |
DIMENSIONS & TIRES
The Rumely OilPull S 30/60's substantial weight of 17,500 lbs (7938 kg) enhances traction and stability, making it suitable for heavy-duty fieldwork and plowing. Its large front (44x10) and rear tires (64x24) provide excellent ground contact and minimize soil compaction, although they may present challenges in narrow pathways. Consider utilizing this tractor for tasks requiring significant power and stability, such as deep tillage and hauling, especially in uneven terrain.
| Weight | 17,500 lbs / 7938 kg |
| Front tire | 44x10 |
| Rear tire | 64x24 |
OILPULL S 30/60 SERIAL NUMBERS
| 1924 | 1 |
| 1925 | 5 |
| 1926 | 35 |
| 1927 | 235 |
| 1928 | 435 |