| Manufacturer |
J.I. Case |
| Price |
- |
| Model |
15-27 |
| Equipment Type |
Standard-Tread Tractors |
| Factory |
Racine, Wisconsin, USA |
NEBRASKA TRACTOR TEST
| Description |
Kerosene 2-speed 2WD/April 2 - 30, 1920/Link: Nebraska Tractor Test 4 file/Drawbar performance |
| Belt power (max) |
31.23 hp/23.3 kW |
| Belt fuel use (max) |
3.2 gal/hour/12.1 l/hour |
| Max power |
21.81 hp/16.3 kW |
| Max pull |
3,440 lbs/1560 kg |
J.I. CASE 15-27 POWER
| Drawbar (claimed) |
15 hp/11.2 kW |
| Belt (claimed) |
27 hp/20.1 kW |
| Plows |
3 |
| Drawbar (tested) |
21.81 hp/16.3 kW |
| Belt (tested) |
31.23 hp/23.3 kW |
ENGINE DETAIL
The J.I. Case 15-27, powered by a 4-cylinder kerosene engine with a 381.7 ci (6.3 L) displacement, offers substantial torque and efficiency for agricultural tasks at a rated RPM of 900. The 4.50 x 6.00-inch bore and stroke configuration provide optimal power delivery, but the hand-crank starter may limit convenience compared to modern electric options. Its 44 qt (41.6 L) coolant capacity ensures effective thermal management, although vintage design requires careful maintenance to avoid overheating during extended operations.
| Description |
J.I. Case/kerosene/4-cylinder/liquid-cooled |
| Displacement |
381.7 ci/6.3 L |
| Bore/Stroke |
4.50x6.00 inches/114 x 152 mm |
| Rated RPM |
900 |
| Starter type |
hand-crank |
| Coolant capacity |
44 qts/41.6 L |
J.I. CASE 15-27 ENGINE
The J.I. Case 15-27, equipped with a 6.3L 4-cylinder kerosene engine, offers efficient fuel consumption, particularly in agricultural applications where extended operation is necessary. With a primary fuel capacity of 20 gallons (75.7 L) and an auxiliary tank of 2.75 gallons (10.4 L), it supports long working hours but may face challenges with refueling frequency during demanding tasks. Operators should consider the advantages of kerosene use, such as reduced cost compared to gasoline, alongside potential drawbacks like lower availability in some regions.
| Description |
J.I. Case 6.3L 4-cyl kerosene |
| Fuel tank |
20 gal/75.7 L |
| Aux. fuel |
2.75 gal/10.4 L |
TRANSMISSION
The J.I. Case 15-27 tractor features a simple gear transmission with 2 forward and 1 reverse gear, providing basic operational flexibility for agricultural tasks. This limited gear range may challenge adaptability in varying terrain and load conditions, potentially hindering efficiency in more demanding applications. However, its straightforward design can be advantageous for maintenance and ease of use, making it suitable for lighter, less complex farming operations.
| Manufacturer |
J.I. Case |
| Type |
gear |
| Gears |
2 forward and 1 reverse |
SPEEDS
MECHANICAL
The J.I. Case 15-27 tractor features a 4x2 2WD chassis, providing straightforward maneuverability but limiting traction on challenging terrains. Its manual steering can be more labor-intensive, particularly during longer operations or when navigating tight spaces. The 2-speed gear transmission enhances operational versatility, allowing operators to match speed with various farming tasks, though limited gear options may restrict adaptability to specific conditions.
| Chassis |
4x2 2WD |
| Steering |
manual |
| Cab |
Open operator station. Optional canopy. |
| Transmission |
2-speed gear |
POWER TAKE-OFF (PTO)
| Rear PTO |
transmission (optional) |
| Rear RPM |
540 |
J.I. CASE 15-27 TIRES
The J.I. Case 15-27 tractor features robust 32x6 steel front tires and 52x14 steel rear tires, which provide excellent stability and traction, particularly in agricultural applications. The larger rear tires enhance load-bearing capacity and improve torque transmission, making it suitable for plowing and tilling. However, the heavy steel construction could result in increased soil compaction, which is a consideration for sustainable farming practices.
| Ag front |
32x6 steel |
| Ag rear |
52x14 steel |
DIMENSIONS
| Length |
127 inches/322 cm |
| Width |
72 inches/182 cm |
| Height |
68 inches/172 cm |
| Weight |
6,460 lbs/2930 kg |
DIMENSIONS & TIRES
The J.I. Case 15-27 tractor, weighing 6,460 lbs (2,930 kg), offers a robust engine power suitable for heavy-duty applications, particularly in agriculture. The front tires (32x6) provide excellent maneuverability, while the large rear tires (52x14) enhance traction and stability on uneven terrains, making it ideal for plowing and harvesting tasks. However, the weight distribution and overall size may challenge transportability, requiring a solid transportation plan for long distances.
| Weight |
6,460 lbs/2930 kg |
| Front tire |
32x6 |
| Rear tire |
52x14 |
BELT PULLEY
| Diameter |
16 inches/40 cm |
| Width |
6.5 inches/16 cm |
| RPM |
900 |
| Speed |
3,762 ft/min/1146.66 meters/min |
