Manufacturer |
J.I. Case |
Price |
6,100(USD) |
Model |
741 |
Equipment Type |
Row-Crop Tractors |
Factory |
|
VARIANTS
732 |
Western Special diesel |
733 |
high-clearance diesel |
734 |
orchard diesel |
740 |
row-crop gas |
742 |
Western Special gas |
743 |
high-clearance gas |
744 |
orchard gas |
NEBRASKA TRACTOR TEST 778 2
Description |
Gasoline Case-o-Matic 2WD November 2 - 12, 1960 Link: Nebraska Tractor Test 778 file PTO performance Drawbar performance Gear 4 used for power test. Gear 2-Direct used for pull test |
Power at rated engine speed |
57.88hp / 43.2kW |
Fuel use |
5.2gal/hour / 19.7l/hour |
Power at rated PTO speed |
55.22hp / 41.2kW |
Max power |
50.58hp / 37.7kW |
Max pull |
7512lbs / 3407kg |
NEBRASKA TRACTOR TEST 779 2
Description |
Gasoline Dual-Range 2WD November 3 - 12, 1960 Link: Nebraska Tractor Test 779 file PTO performance Drawbar performance Gear 4 used for power test. Gear 2 used for pull test |
Power at rated engine speed |
57.79hp / 43.1kW |
Fuel use |
4.9gal/hour / 18.5l/hour |
Max power |
51.45hp / 38.4kW |
Max pull |
7619lbs / 3455kg |
NEBRASKA TRACTOR TEST 781 2
Description |
LP gas Case-o-Matic 2WD November 4 - 19, 1960 Link: Nebraska Tractor Test 781 file PTO performance Drawbar performance Gear 3 used for power test. Gear 2 used for pull test |
Power at rated engine speed |
57.19hp / 42.6kW |
Fuel use |
7.0gal/hour / 26.5l/hour |
Power at rated PTO speed |
54.94hp / 41.0kW |
Max power |
51.98hp / 38.8kW |
Max pull |
7626lbs / 3459kg |
NEBRASKA TRACTOR TEST 782 2
Description |
LP gas Dual-Range 2WD November 7 - 19, 1960 Link: Nebraska Tractor Test 782 file PTO performance Drawbar performance Gear 4 used for power test. Gear 4 used for pull test |
Power at rated engine speed |
57.92hp / 43.2kW |
Fuel use |
6.4gal/hour / 24.2l/hour |
Max power |
52.51hp / 39.2kW |
Max pull |
7666lbs / 3477kg |
J.I. CASE 741 POWER
Plows |
5 |
Drawbar (tested) |
52.51hp / 39.2kW |
PTO (tested) |
57.92hp / 43.2kW |
ENGINES OVERVIEW
The J.I. Case 741 tractor features a 4.1L 4-cylinder engine available in both gasoline and LP gas variants, providing options for fuel efficiency and power output based on operating conditions. The gasoline version typically offers better cold starting performance, while the LP gas variant may provide cleaner combustion and reduced emissions. However, the choice between fuels may affect operational costs and availability, so assessing local fuel accessibility is crucial for long-term efficiency.
Description |
J.I. Case 4.1L 4-cyl gasoline J.I. Case 4.1L 4-cyl LP gas |
ENGINE DETAIL 1
The J.I. Case 741 features a Powrdyne gasoline engine with a displacement of 4.1L, providing a robust torque output ideal for various field operations. Its low compression ratio of 6.88:1 combined with a dual-range RPM option allows for effective power management, enhancing fuel efficiency and adaptability while minimizing engine strain. However, the oil bath air cleaner may require more maintenance than dry-type filters, potentially increasing operational downtime.
Description |
J.I. Case Powrdyne gasoline 4-cylinder liquid-cooled |
Displacement |
251ci / 4.1L |
Bore/Stroke |
4.00x5.00inches / 102x 127 mm |
Air cleaner |
oil bath |
Compression |
6.88:1 |
Rated RPM |
1700 (Dual-Range)/1900 (Case-o-Matic) |
Starter volts |
12 |
ENGINE DETAIL 2
The J.I. Case 741 tractor features a 4-cylinder, liquid-cooled Powrdyne LP gas engine with a displacement of 251 ci (4.1L), providing a reliable power source for various agricultural tasks. Its oil bath air cleaner enhances engine efficiency by reducing dirt and debris, while a compression ratio of 8.2:1 and a dual-range rated RPM of 1700 ensure effective performance under different loads. However, the reliance on LP gas might limit refueling options in remote locations, making it crucial to assess fuel availability based on operational scenarios.
Description |
J.I. Case Powrdyne LP gas 4-cylinder liquid-cooled |
Displacement |
251ci / 4.1L |
Bore/Stroke |
4.00x5.00inches / 102x 127 mm |
Air cleaner |
oil bath |
Compression |
8.2:1 |
Rated RPM |
1700 (Dual-Range)/1900 (Case-o-Matic) |
Starter volts |
12 |
J.I. CASE 741 ENGINES
The J.I. Case 741 tractor is equipped with a 4.1L 4-cylinder engine that can run on either gasoline or LP gas, providing flexibility in fuel choice. The gasoline version has a fuel tank capacity of 17.3 gallons, while the LP gas version offers a larger 22.2-gallon tank, which can enhance operational time between refuels. Considerations include the availability of LP gas in your area for the corresponding version, as well as potential performance differences: LP gas may offer cleaner combustion but can result in reduced power output compared to gasoline.
Description |
J.I. Case 4.1L 4-cyl gasoline J.I. Case 4.1L 4-cyl LP gas |
Fuel tank |
17.3gal / 65.5L (gasoline)/22.2gal / 84.0L (LP gas) |
TRANSMISSIONS OVERVIEW
The J.I. Case 741 tractor features an 8-speed torque converter transmission, allowing for smooth power transfer and increased operational efficiency across various speeds. This design enables better adaptability for different field conditions, offering advantages in both heavy-duty tasks and lighter applications. However, users may need to consider potential maintenance complexities associated with torque converter systems compared to simpler gear-based transmissions.
Description |
8-speed torque converter 8-speed |
TRANSMISSION 1
The J.I. Case 741 tractor features a Case-o-Matic transmission with a torque converter, providing smooth power transfer and enhanced traction during operation. Its 8 forward and 2 reverse gears allow for versatile speed and directional control, ideal for various agricultural tasks. However, the complexity of the Case-o-Matic system may require specialized maintenance, potentially posing a challenge for less experienced operators.
Transmission |
Case-o-Matic |
Type |
torque converter |
Gears |
8 forward and 2 reverse |
TRANSMISSION 2
The J.I. Case 741 tractor features a dual-range transmission with 8 forward and 2 reverse gears, providing versatility for various agricultural tasks. A mechanical dry disc clutch offers reliability but may require more maintenance than hydraulic systems, particularly under heavy load conditions. This configuration is beneficial for tasks requiring precise speed control, though operators may need to adjust their driving technique to manage clutch engagement effectively.
Transmission |
Dual-Range |
Gears |
8 forward and 2 reverse |
Clutch |
mechanical dry disc |
MECHANICAL
The J.I. Case 741 tractor features a 4x2 2WD chassis, providing basic traction suitable for light agricultural tasks but limiting performance on uneven terrain. Its manual/power steering option enhances maneuverability, although the open operator station may expose the operator to the elements, affecting comfort during long hours of use. The 8-speed torque converter transmission ensures smooth operation and better control during variable speed tasks, making it advantageous for fieldwork but potentially challenging on steep slopes due to reduced traction.
Chassis |
4x2 2WD |
Steering |
manual/power optional |
Brakes |
differential disc |
Cab |
Open operator station. |
Transmissions |
8-speed torque converter/8-speed |
HYDRAULICS
TRACTOR HITCH
POWER TAKE-OFF (PTO)
Rear PTO |
independent |
Rear RPM |
540/1000 |
J.I. CASE 741 TIRES
The J.I. Case 741 tractor features a combination of 6.00-16 front tires and 15.5-38 rear tires, providing a robust balance of traction and stability for various agricultural tasks. The larger rear tires enhance soil contact and reduce ground compaction, which is advantageous for cultivating large fields. However, the relatively small front tires may limit maneuverability in tight spaces, making it less ideal for tasks requiring agility.
Ag front |
6.00-16 |
Ag rear |
15.5-38 |
DIMENSIONS
Wheelbase |
92.25inches / 234cm |
Length |
143.4inches / 364cm |
Width |
85.25inches / 216cm |
Height (hood) |
65.9inches / 167cm |
Operating weight |
7,000lbs / 3175kg |
Ballasted weight |
9,485lbs / 4302kg |
Ground clearance |
20inches / 50cm |
DIMENSIONS & TIRES
The J.I. Case 741 tractor's wheelbase of 92.25 inches contributes to its stability and maneuverability in tight agricultural spaces, making it suitable for narrow row crops. Weighing 7,000 lbs enhances traction, while the tire specifications provide optimal performance on varying terrain, though the front tire size may limit load-bearing capacity compared to larger models. Potential challenges include the need for careful weight distribution to prevent front-end lift during heavy implements usage, which could affect efficiency and safety.
Wheelbase |
92.25inches / 234cm |
Weight |
7,000lbs / 3175kg |
Front tire |
6.00-16 |
Rear tire |
15.5-38 |
741 SERIAL NUMBERS
Location |
Plate on instrument panel |
1960 |
8160001 |
1961 |
8168801 |
1962 |
8190001 |
1963 |
9208001 |
1964 |
8229001 |
1965 |
8253501 |
1966 |
8279001 |
1967 |
8306501 |
1968 |
8332101 |
1969 |
8356251 |
ELECTRICAL
Charging system |
generator |