| Manufacturer | Minneapolis-Moline |
| Price | 3,300(USD) |
| Model | 4 Star |
| Equipment Type | Row-Crop Tractors |
| Factory |
NEBRASKA TRACTOR TEST 789 2
| Description | Gasoline 10-speed 2WD/April 20 - May 4, 1961/Link: Nebraska Tractor Test 789 file/PTO performance/Drawbar performance/Gear 2H used for power test./Gear 1L used for pull test. |
| Power at rated engine speed | 44.57 hp/33.2 kW |
| Fuel use | 3.9 gal/hour/14.8 l/hour |
| Power at rated PTO speed | 41.25 hp/30.8 kW |
| Max power | 38.58 hp/28.8 kW |
| Max pull | 6537 lbs/2965 kg |
MINNEAPOLIS-MOLINE 4 STAR POWER
| Drawbar (claimed) | 39 hp/29.1 kW |
| Gas PTO (claimed) | 47 hp/35.0 kW |
| LP-gas PTO (claimed) | 48 hp/35.8 kW |
| Diesel PTO (claimed) | 44 hp/32.8 kW |
| Drawbar (tested) | 38.58 hp/28.8 kW |
| PTO (tested) | 44.57 hp/33.2 kW |
ENGINES OVERVIEW
The Minneapolis-Moline 4 Star tractor features a 3.4L 4-cylinder engine available in gasoline, diesel, and LP-gas variants, providing flexibility in fuel type based on operational needs. The gasoline engine offers quicker starts and lower initial costs, while the diesel variant delivers higher torque and fuel efficiency, making it suitable for heavy-duty applications. The LP-gas option is beneficial for cleaner emissions and lower fuel costs but may require access to gas supplies, presenting a consideration depending on the farming context.
| Description | Minneapolis-Moline 3.4L 4-cyl gasoline/Minneapolis-Moline 3.4L 4-cyl diesel/Minneapolis-Moline 3.4L 4-cyl LP-gas |
ENGINE DETAIL 1
The Minneapolis-Moline 4 Star tractor features a 206 ci gasoline engine with a liquid-cooled system, offering optimal thermal efficiency at a rated RPM of 1750, ideal for consistent power delivery during agricultural tasks. The oil bath air cleaner enhances engine longevity by minimizing intake contaminants, while the 12-volt starter ensures reliable ignition performance. However, the 6 qt oil capacity necessitates regular maintenance to avoid potential lubrication issues, making it critical to adhere to oil change intervals for sustained operation.
| Description | Minneapolis-Moline/gasoline/4-cylinder/liquid-cooled |
| Displacement | 206 ci/3.4 L |
| Bore/Stroke | 3.625x5.00 inches/92 x 127 mm |
| Air cleaner | oil bath |
| Rated RPM | 1750 |
| Starter volts | 12 |
| Oil capacity | 6 qts/5.7 L |
| Coolant capacity | 13.5 qts/12.8 L |
ENGINE DETAIL 2
The Minneapolis-Moline 4 Star features a 3.4L liquid-cooled, 4-cylinder diesel engine with a bore and stroke of 3.625 x 5.00 inches, facilitating efficient power delivery at a rated RPM of 1750. Its oil bath air cleaner and 12V starter enhance operational reliability, while an oil capacity of 6 quarts and a coolant capacity of 13.5 quarts ensure adequate lubrication and temperature regulation under heavy-duty conditions. Pros include robust torque output ideal for agricultural tasks, whereas challenges may involve maintenance of the oil bath system, which requires regular upkeep to avoid contamination.
| Description | Minneapolis-Moline/diesel/4-cylinder/liquid-cooled |
| Displacement | 206 ci/3.4 L |
| Bore/Stroke | 3.625x5.00 inches/92 x 127 mm |
| Air cleaner | oil bath |
| Rated RPM | 1750 |
| Starter volts | 12 |
| Oil capacity | 6 qts/5.7 L |
| Coolant capacity | 13.5 qts/12.8 L |
ENGINE DETAIL 3
The Minneapolis-Moline 4 Star, powered by a 206 ci (3.4 L) LP-gas, 4-cylinder engine, operates efficiently at a rated RPM of 1750, making it suitable for moderate-duty agricultural tasks. Its oil bath air cleaner enhances engine longevity by minimizing dirt ingress, while the liquid-cooled system supports stable operating temperatures, though maintenance of coolant levels is crucial due to its 13.5 qt capacity. Challenges may arise with LP-gas availability in certain regions, but the tractor's robust design is advantageous for energy efficiency and torque delivery in farming operations.
| Description | Minneapolis-Moline/LP-gas/4-cylinder/liquid-cooled |
| Displacement | 206 ci/3.4 L |
| Bore/Stroke | 3.625x5.00 inches/92 x 127 mm |
| Air cleaner | oil bath |
| Rated RPM | 1750 |
| Starter volts | 12 |
| Oil capacity | 6 qts/5.7 L |
| Coolant capacity | 13.5 qts/12.8 L |
MINNEAPOLIS-MOLINE 4 STAR ENGINES
The Minneapolis-Moline 4 Star tractor offers versatility with its three fuel options: gasoline, diesel, and LP-gas. A notable advantage is the larger LP-gas fuel tank capacity (23.5 gal) compared to gasoline and diesel (both at 17 gal), potentially extending operational time for those who prefer LP-gas for its cleaner combustion and reduced emissions. However, the 4-cyl engine across all fuel types (3.4L) may present challenges in power output under heavy loads or prolonged usage, necessitating consideration of the specific tasks for which the tractor will be employed.
| Description | Minneapolis-Moline 3.4L 4-cyl gasoline/Minneapolis-Moline 3.4L 4-cyl diesel/Minneapolis-Moline 3.4L 4-cyl LP-gas |
| Gas Fuel tank | 17 gal/64.3 L |
| Diesel Fuel tank | 17 gal/64.3 L |
| LP-gas Fuel tank | 23.5 gal/88.9 L |
TRANSMISSIONS OVERVIEW
The Minneapolis-Moline 4 Star tractor features a 5-speed gearbox combined with a 10-speed two-speed power shift, providing enhanced versatility for various agricultural tasks. This configuration allows for smoother speed transitions and improved traction, particularly beneficial in diverse field conditions. However, the complexity of the transmission may pose challenges for maintenance and require operator training to maximize efficiency.
| Description | 5-speed gear/10-speed two-speed power shift |
TRANSMISSION 1
The Minneapolis-Moline 4 Star tractor features a 5-speed forward and 1 reverse gear system, allowing for versatile operation on various terrains. Its 32 qt (30.3 L) oil capacity supports extended service intervals, but maintenance practices must ensure proper oil levels to prevent engine wear. This tractor is ideal for both small-scale farming and light industrial tasks, though users should be aware of the potential for gear slippage under heavy loads if not properly adjusted.
| Type | gear |
| Gears | 5 forward and 1 reverse |
| Oil capacity | 32 qts/30.3 L |
TRANSMISSION 2
The Minneapolis-Moline 4 Star tractor features an Ampli-Torc two-speed power shift transmission, offering 10 forward and 2 reverse gears, which facilitates versatile speed control for various agricultural tasks. The 40-quart (37.9 L) oil capacity ensures adequate lubrication and cooling during extended operations, enhancing reliability. However, the complexity of the power shift system may require careful maintenance, making it essential to have knowledgeable technicians for servicing.
| Transmission | Ampli-Torc |
| Type | two-speed power shift |
| Gears | 10 forward and 2 reverse |
| Oil capacity | 40 qts/37.9 L |
MECHANICAL
The Minneapolis-Moline 4 Star features a 4x2 2WD chassis, offering simplicity and reduced costs for general farming tasks but potentially limited traction in challenging terrains. Its power steering enhances maneuverability for operators, while the disc brake system provides reliable stopping performance. With a versatile 5-speed gear and 10-speed two-speed power shift transmission, the tractor can efficiently adapt to various applications, making it suitable for both light fieldwork and heavy-duty tasks.
| Chassis | 4x2 2WD |
| Steering | power |
| Brakes | disc |
| Cab | Open operator station. |
| Transmissions | 5-speed gear/10-speed two-speed power shift |
POWER TAKE-OFF (PTO)
| Rear PTO | live/independent*On 4 Star Super |
| Rear RPM | 540 |
MINNEAPOLIS-MOLINE 4 STAR TIRES
The Minneapolis-Moline 4 Star tractor features a single front wheel design with a large 9.00-10 tire and rear tires sized at 13.6-38, ensuring stability and traction on varied terrains. The combination of wheel sizes provides efficient weight distribution for agricultural tasks, particularly in row crop applications. However, the single front wheel may limit maneuverability in tighter spaces, so consider operational conditions when choosing this model for fieldwork.
| Ag front | 9.00-10*Single front wheel |
| Ag rear | 13.6-38 |
DIMENSIONS
| Wheelbase | 87 inches/220 cm |
| Length | 132 inches/335 cm |
| Width | 82 inches/208 cm |
| Height (steering wheel) | 71 inches/180 cm |
| Height (exhaust) | 86 inches/218 cm |
| Clearance (rear axle) | 26 inches/66 cm |
| Front tread | 50 to 74 inches/127 to 187 cm |
| Rear tread | 56 to 88 inches/142 to 223 cm |
MINNEAPOLIS-MOLINE 4 STAR WEIGHT
| Gas | 4120 lbs/1868 kg |
| Diesel | 4220 lbs/1914 kg |
| LP-gas | 4320 lbs/1959 kg |
| Ballasted | 8495 lbs/3853 kg |
DIMENSIONS & TIRES
The Minneapolis-Moline 4 Star has an 87-inch wheelbase, providing adequate stability for field operations. Weighing between 4,120 to 4,320 pounds, this tractor strikes a balance between maneuverability and durability, making it suitable for diversified farming tasks. The tire specifications, with 5.50-16 front tires and 13.6-38 rear tires, enhance traction and load distribution, critical for heavy-duty applications.
| Wheelbase | 87 inches/220 cm |
| Weight | 4120 to 4320 pounds |
| Front tire | 5.50-16 |
| Rear tire | 13.6-38 |
4 STAR SERIAL NUMBERS
| Location | Serial number plate on the right side of the 4-Star frame, just behind the brake pedals. |
| 1959 | 16600001 |
| 1960 | 18200001 (diesel) |
| 1961 | 18200051 (diesel) |
| 1962 | 18200073 (diesel) |
| 1963 | 16602408 |