Manufacturer |
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 Case 741 tractor is equipped with a 4.1L 4-cylinder engine, available in both gasoline and LP gas configurations, providing versatility in fuel choice for different agricultural applications. The gasoline variant offers higher horsepower and better cold-start performance, while the LP gas model presents lower emissions and potentially reduced fuel costs. However, the choice of fuel type may influence overall operational efficiencies and maintenance requirements, so selecting the appropriate configuration is crucial based on intended usage and environmental regulations.
Description |
J.I. Case 4.1L 4-cyl gasoline J.I. Case 4.1L 4-cyl LP gas |
ENGINE DETAIL 1
The Case 741 tractor features a 4-cylinder, liquid-cooled engine with a displacement of 251ci (4.1L) and a relatively low compression ratio of 6.88:1, beneficial for using lower octane fuels but potentially limiting power output. The dual-range system at 1700 RPM and the Case-o-Matic at 1900 RPM provides flexibility in power delivery, allowing operation in varied terrain and load conditions. The oil bath air cleaner enhances filtration and engine longevity, making it suitable for demanding agricultural applications, although maintenance can be slightly more involved compared to dry filters.
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 Case 741 tractor features a 4-cylinder, liquid-cooled engine with a displacement of 251 ci (4.1L), which provides a reliable power source for agricultural tasks. Its 8.2:1 compression ratio combined with a dual-range transmission offering rated RPMs of 1700 and 1900 allows for versatile performance in different operational scenarios, enhancing fuel efficiency in low-torque applications. Advantages of the oil bath air cleaner include lower maintenance needs, while its LP gas operation may present challenges in fuel availability depending on the region.
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 Case 741 tractor is equipped with a robust 4.1L four-cylinder engine available in both gasoline and LP gas variants, providing versatility in fuel choice depending on operational needs. With a fuel tank capacity of 17.3 gallons for gasoline and 22.2 gallons for LP gas, the LP option allows for extended operation between refueling, albeit with considerations for availability and cost of LP gas. One challenge may include the potential need for a conversion kit for users transitioning between fuel types, impacting initial setup efforts and costs.
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 Case 741 tractor features an 8-speed torque converter transmission, providing improved torque multiplication and smoother operation across various field conditions. The 8-speed gear selection enhances versatility, allowing for optimized performance in both high-speed transport and low-speed field work. However, potential challenges may include increased maintenance requirements and complexity compared to simpler transmission systems, necessitating familiarity with the torque converter's operation for effective troubleshooting.
Description |
8-speed torque converter/8-speed |
TRANSMISSION 1
The Case 741 tractor features a Case-o-Matic transmission with a torque converter, providing seamless power delivery and enhanced fuel efficiency during operation. With 8 forward and 2 reverse gears, it offers excellent versatility for varied field tasks, allowing smooth transitions and optimal speed control. However, the complexity of the torque converter may demand specialized maintenance knowledge and could lead to increased repair costs over time.
Transmission |
Case-o-Matic |
Type |
torque converter |
Gears |
8 forward and 2 reverse |
TRANSMISSION 2
The Case 741 tractor features a Dual-Range transmission with 8 forward and 2 reverse gears, providing versatility for various agricultural applications by allowing operators to select optimal speed ranges for differing tasks. The mechanical dry disc clutch offers reliable engagement but may require more maintenance than hydraulic systems and can produce higher wear under excessive load. Ideal scenarios include heavy tillage or hauling where multiple speed and torque adjustments are necessary to tackle varying field conditions efficiently.
Transmission |
Dual-Range |
Gears |
8 forward and 2 reverse |
Clutch |
mechanical dry disc |
MECHANICAL
The Case 741 tractor features a 4x2 2WD chassis, which provides good maneuverability for light to moderate agricultural tasks but may struggle with traction in more challenging terrains. Its manual/power optional steering allows for easier handling, particularly beneficial during prolonged operations, although manual steering may require more effort. The 8-speed torque converter transmission enhances operational versatility, allowing for smoother power delivery and adaptability across various field conditions, but the open operator station may expose the operator to the elements.
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 Case 741 tractor features a dual tire configuration with 6.00-16 agricultural front tires and robust 15.5-38 rear tires, which enhances traction and stability, especially in challenging terrains. The larger rear tires provide superior ground contact and weight distribution, beneficial for heavy-duty applications such as plowing or hauling. A potential challenge could be maneuverability in tight spaces due to the front tire size; thus, it is best suited for open fields or larger farms.
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 Case 741 tractor, with a wheelbase of 92.25 inches and weight of 7,000 lbs, offers stability and maneuverability, making it suitable for diverse agricultural tasks. The front tire size of 6.00-16 provides adequate traction for steering, while the larger 15.5-38 rear tires enhance power transfer and reduce soil compaction during heavy-duty work. However, the tractor's weight may limit its performance in very soft or muddy terrains, requiring careful operational considerations in such conditions.
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 |