| Manufacturer |
Case |
| Price |
- |
| Model |
S |
| Equipment Type |
Standard-Tread Tractors |
| Factory |
Racine, Wisconsin, USA |
J.I. CASE S POWER
| Drawbar (claimed) |
16hp / 11.9kW |
| Belt (claimed) |
21hp / 15.7kW |
| Plows |
2 (14-inch) |
ENGINES OVERVIEW
The Case S tractor features two engine options: a 2.5L and a 2.7L 4-cylinder gasoline engine, providing flexibility in power output. The larger 2.7L engine typically offers enhanced torque and horsepower, beneficial for heavier applications like tilling or plowing. However, both engines might exhibit reduced fuel efficiency compared to diesel alternatives, necessitating regular fuel cost evaluations, particularly in high-usage scenarios.
| Description |
J.I. Case 2.5L 4-cyl gasoline J.I. Case 2.7L 4-cyl gasoline |
ENGINE DETAIL 1
The Case S tractor features a robust 4-cylinder gasoline engine with a displacement of 153.9 ci (2.5L), delivering reliable power at 1550 RPM, which is optimal for low-speed agricultural tasks. Its bore and stroke dimensions (3.50x4.00 inches) indicate a long-stroke design, promoting torque, while the oil bath air cleaner enhances air filtration, particularly in dusty environments. However, the engine's age means potential challenges with parts availability, and while the 16-quart coolant capacity is sufficient for efficient thermal management, it may require regular monitoring given the tractor's vintage design.
| Description |
J.I. Case gasoline 4-cylinder liquid-cooled/Original engine, used until 1953 |
| Displacement |
153.9ci / 2.5L |
| Bore/Stroke |
3.50x4.00inches / 89x 102mm |
| Air cleaner |
oil bath |
| Rated RPM |
1550 |
| Coolant capacity |
16qts / 15.1L |
ENGINE DETAIL 2
The J.I. Case S tractor features a robust 2.7L gasoline engine with a displacement of 165.1 ci, optimized for efficiency at a rated RPM of 1550, which is ideal for farm tasks requiring consistent power delivery. Its 3.625x4.00 inch bore and stroke promote a balance between torque and speed, enhancing performance for heavier implements. The oil bath air cleaner offers superior filtration, but may require regular maintenance to prevent reduced airflow and engine efficiency.
| Description |
J.I. Case gasoline 4-cylinder liquid-cooled/The larger, 2.7L, engine was introduced in 1953 on the J.I. Case S |
| Displacement |
165.1ci / 2.7L |
| Bore/Stroke |
3.625x4.00inches / 92x 102mm |
| Air cleaner |
oil bath |
| Rated RPM |
1550 |
J.I. CASE S ENGINES
The Case S tractor features a 2.5L and 2.7L 4-cylinder gasoline engine, providing versatile performance for various farming tasks while ensuring decent power-to-weight ratios. The 14-gallon main fuel tank and a 1.25-gallon auxiliary tank enhance operational duration, permitting extended working hours without frequent refueling. However, the gasoline engine may have higher operational costs compared to diesel counterparts, potentially impacting economic feasibility for long-term heavy-duty usage.
| Description |
J.I. Case 2.5L 4-cyl gasoline J.I. Case 2.7L 4-cyl gasoline |
| Fuel tank |
14gal / 53.0L |
| Aux. fuel |
1.25gal / 4.7L |
TRANSMISSION
The Case S tractor features a 4-speed unsynchronized gear system, allowing for straightforward operation but requiring the operator to match engine and wheel speeds during gear shifts, which could be challenging for novice users. The mechanical wet disc clutch enhances durability and provides smoother engagement, but may require more maintenance than dry clutch systems. Ideal for agricultural applications with consistent load requirements, this setup suits operators who prioritize reliable performance over rapid gear changes.
| Type |
unsynchronized gear |
| Gears |
4 forward and 1 reverse |
| Clutch |
mechanical wet disc |
SPEEDS
| Description |
With 11-26 rear tires |
MECHANICAL
The Case S tractor features a 4x2 2WD chassis, which offers simplicity and easier maintenance, but may limit traction in challenging terrains. The manual steering system provides direct control, although it may require more effort compared to power-assisted systems, particularly during maneuvers. The open operator station and spring-suspended steel pan seat enhance comfort and visibility, but lack protection from environmental elements, making it more suitable for dry, controlled conditions rather than extreme weather scenarios.
| Chassis |
4x2 2WD |
| Steering |
manual |
| Brakes |
disc |
| Cab |
Open operator station. Steel pan seat with spring suspension |
| Transmission |
4-speed unsynchronized gear |
TRACTOR HITCH
POWER TAKE-OFF (PTO)
| Rear PTO |
continuous/live*After 1953 |
| Rear RPM |
541 |
J.I. CASE S TIRES
The Case S tractor features a robust agricultural front tire configuration of 25x4 and a rear configuration of 42x8, both made of steel, providing excellent durability and traction for heavy-duty applications. However, while steel tires offer superior wear resistance, they may present reduced shock absorption compared to pneumatic alternatives, impacting operator comfort and soil compaction. In scenarios requiring extensive field work, steel tires may be advantageous on firm ground but can be less effective on softer soils, necessitating careful consideration of terrain conditions.
| Ag front |
25x4 (steel) |
| Ag rear |
42x8 (steel) |
DIMENSIONS
| Wheelbase |
66inches / 167cm |
| Length |
108.5inches / 275cm |
| Width |
56.25inches / 142cm |
| Height (hood) |
51inches / 129cm |
| Weight |
4376lbs / 1984kg |
| Clearance (front axle) |
11.25inches / 28cm |
| Clearance (rear axle) |
18.75inches / 47cm |
| Rear tread |
47.5inches / 120cm |
DIMENSIONS & TIRES
The Case S tractor's 66-inch wheelbase provides excellent stability in varied terrain, making it suitable for both agricultural and light industrial applications. Its weight of 4376 lbs contributes to good traction, especially with the broader rear tires (11-26), which enhance grip and pulling power. However, the smaller front tires (5.00-15) may limit steering responsiveness and maneuverability in tight spaces, challenging its performance in highly confined areas.
| Wheelbase |
66inches / 167cm |
| Weight |
4376lbs / 1984kg |
| Front tire |
5.00-15 |
| Rear tire |
11-26 |
S SERIAL NUMBERS
| Location |
Serial number plate on tractor's instrument panel |
| 1941 |
4500001 |
| 1942 |
4600001 |
| 1943 |
4700001 |
| 1944 |
4800001 |
| 1945 |
4900001 |
| 1946 |
5000001 |
| 1947 |
5100001 |
| 1948 |
5200001 |
| 1949 |
5300001 |
| 1950 |
5400001 |
| 1951 |
5500001 |
BELT PULLEY
| Diameter |
9.25inches / 23cm |
| Width |
6.375inches / 16cm |
| RPM |
1078 |
| Speed |
2600ft/min / 792.48meters/min |
