| Manufacturer |
J.I. Case |
| Price |
2,600(USD) |
| Model |
DC |
| Equipment Type |
Row-Crop Tractors |
| Factory |
Racine, Wisconsin, USA |
VARIANTS
| DC-3 |
narrow front |
| DC-4 |
wide-front |
| DH |
wide-front without turning brakes |
NEBRASKA TRACTOR TEST 340 2
| Description |
Gasoline 4-speed 2WD/April 18 - May 4, 1940/Link: Nebraska Tractor Test 340 file/Drawbar performance/Gear 2 used for power test./Gear 1 used for pull test. |
| Belt power (max) |
37.28 hp/27.8 kW |
| Belt fuel use (max) |
3.4 gal/hour/12.9 l/hour |
| Max power |
33.06 hp/24.7 kW |
| Max pull |
4,128 lbs/1872 kg |
J.I. CASE DC POWER
| Drawbar (claimed) |
33 hp/24.6 kW |
| PTO (claimed) |
37 hp/27.6 kW |
| Plows |
3 |
| Drawbar (tested) |
33.06 hp/24.7 kW |
| Belt (tested) |
37.28 hp/27.8 kW |
ENGINES OVERVIEW
The J.I. Case DC tractor features a robust 4.3L 4-cylinder engine available in both gasoline and LP gas variants, providing flexibility in fuel choice which can be advantageous for varying operational costs. A notable advantage of LP gas is its cleaner combustion, resulting in lower emissions and operational noise, while gasoline can offer greater power output for demanding tasks. However, the need for separate fueling infrastructure for LP gas can be a challenge in some rural areas, necessitating careful consideration of your operating environment before selection.
| Description |
J.I. Case 4.3L 4-cyl gasoline/J.I. Case 4.3L 4-cyl LP gas |
ENGINE DETAIL 1
The J.I. Case DC tractor features a 4-cylinder, 259.5 ci (4.3 L) gasoline engine with an oil bath air cleaner, emphasizing durability and efficient fuel intake. With a low compression ratio of 5.58:1 and a maximum rated RPM of 1100, it excels in providing high torque at lower speeds, ideal for heavy-duty agricultural tasks. However, its moderate coolant capacity of 26 quarts may limit prolonged operation in high-temperature conditions, necessitating careful temperature management.
| Description |
J.I. Case/gasoline/4-cylinder/liquid-cooled |
| Displacement |
259.5 ci/4.3 L |
| Bore/Stroke |
3.875x5.50 inches/98 x 140 mm |
| Air cleaner |
oil bath |
| Compression |
5.58:1 |
| Rated RPM |
1100 |
| Coolant capacity |
26 qts/24.6 L |
ENGINE DETAIL 2
The J.I. Case DC tractor features a 4-cylinder liquid-cooled LP gas engine with a displacement of 259.5 cubic inches (4.3 L), providing efficient fuel usage for agricultural tasks. The 3.875-inch bore and 5.50-inch stroke optimize torque output, making it suitable for towing and heavy-duty applications. However, the reliance on LP gas may limit availability in some regions, potentially impacting operational flexibility.
| Description |
J.I. Case/LP gas/4-cylinder/liquid-cooled |
| Displacement |
259.5 ci/4.3 L |
| Bore/Stroke |
3.875x5.50 inches/98 x 140 mm |
J.I. CASE DC ENGINES
The J.I. Case DC tractor features a 4.3L four-cylinder engine available in both gasoline and LP gas configurations, offering versatility depending on fuel availability and cost efficiency. With a fuel tank capacity of 19 gallons for gasoline or 17 gallons for LP gas, the tractor provides extended operational time, though the auxiliary fuel tank adds a modest 2 gallons for additional versatility. The main challenge may arise in terms of fuel availability and adaptability to specific farming needs; therefore, users should evaluate local fuel accessibility and specific operational scenarios when selecting the fuel type.
| Description |
J.I. Case 4.3L 4-cyl gasoline/J.I. Case 4.3L 4-cyl LP gas |
| Gas Fuel tank |
19 gal/71.9 L/17 gal/64.3 L (distillate) |
| Aux. fuel |
2 gal/7.6 L |
TRANSMISSION
The J.I. Case DC tractor features a mechanical wet disc clutch, providing smoother engagement and improved heat dissipation during extended use, which is beneficial for heavy-duty applications. The four forward gears offer a balance between torque and speed, making it versatile for various farming conditions, though the limited reverse gear may hinder maneuverability in tight spaces. Operators should consider the gear ratios for optimal power delivery and efficiency based on specific tasks, such as plowing or tilling.
| Type |
gear |
| Gears |
4 forward and 1 reverse |
| Clutch |
mechanical wet disc |
SPEEDS
| Description |
With 9.00-36 rear tires |
MECHANICAL
The J.I. Case DC tractor features a 4x2 2WD chassis, which provides a straightforward design but limits traction on uneven terrain. Its manual steering system offers simplicity and ease of maintenance, although it may require more physical effort than power-assisted systems. The 4-speed gear transmission allows for versatility in speed management, making it suitable for various agricultural tasks, though it may lack the efficiency and smoothness of modern hydrostatic transmissions.
| Chassis |
4x2 2WD |
| Steering |
manual |
| Cab |
Open operator station. |
| Transmission |
4-speed gear |
TRACTOR HITCH
POWER TAKE-OFF (PTO)
| Rear PTO |
continuous/live*After 1953 |
| Rear RPM |
540 |
J.I. CASE DC TIRES
The J.I. Case DC tractor features a front tire size of 25x4 and rear tire size of 48x2.50, which provides excellent traction and stability for agricultural operations. The steel construction of the tires enhances durability but may increase ride harshness on uneven terrain. Ideal for heavy-duty fieldwork, this tractor's robust tire configuration can handle soil compaction, yet users should be cautious of potential ground disturbance in sensitive soil conditions.
| Ag front |
25x4 (steel) |
| Ag rear |
48x2.50 (steel) |
DIMENSIONS
| DC3 Wheelbase |
88.875 inches/225 cm |
| DC$ Wheelbase |
74.5 inches/189 cm |
| DC3 Length |
144 inches/365 cm |
| DC4 Length |
130 inches/330 cm |
| Width |
80.75 inches/205 cm |
| Height (hood) |
58 inches/147 cm |
| Weight |
5300 lbs/2404 kg |
| DC4 Clearance (front axle) |
14 inches/35 cm |
| Clearance (rear axle) |
24.75 inches/62 cm |
| Front tread |
9.5 to inches/24 to 0 cm |
| Rear tread |
48 to 84 inches/121 to 213 cm |
DIMENSIONS & TIRES
The J.I. Case DC tractor features a robust weight of 5,300 lbs, providing excellent traction for plowing and heavy-duty tasks, especially with its rear tire size of 11.25-36. The two wheelbase options (DC3 at 88.875 inches and DC at 74.5 inches) allow for adaptability in various terrains; a longer wheelbase typically enhances stability while a shorter one improves maneuverability. However, the rear-heavy design may challenge balance in certain applications, potentially causing soil compaction if not managed correctly.
| DC3 Wheelbase |
88.875 inches/225 cm |
| DC$ Wheelbase |
74.5 inches/189 cm |
| Weight |
5300 lbs/2404 kg |
| Front tire |
5.50-16 |
| Rear tire |
11.25-36 |
DC SERIAL NUMBERS
| Location |
Serial number plate on the DC's instrument panel, above the steering shaft. |
| 1939 |
4300001 |
| 1940 |
4400001 |
| 1941 |
4500001 |
| 1942 |
4600001 |
| 1943 |
4700001 |
| 1944 |
4800001 |
| 1945 |
4900001 |
| 1946 |
5000001 |
| 1947 |
5100001 |
| 1948 |
5200001 |
| 1949 |
5300001 |
| 1950 |
5400001 |
| 1951 |
5500001 |
| 1952 |
5600001 |
| 1953 |
5700001 |
BELT PULLEY
| Diameter |
12.25 inches/31 cm |
| Width |
7.25 inches/18 cm |
| RPM |
818 |
| Speed |
2620 ft/min/798.58 meters/min |
