| Manufacturer |
Farmall |
| Price |
5,199(USD) |
| Model |
Super MD |
| Equipment Type |
Row-Crop Tractors |
| Factory |
Rock Island, Illinois, USA |
VARIANTS
| Super MD-TA |
Torque Amplifier transmission |
NEBRASKA TRACTOR TEST 477 2
| Description |
Diesel 5-speed 2WD July 7 - 11, 1952 Link: Nebraska Tractor Test 477 file Drawbar performance Gear 3 used for power test. Gear 1 used for pull test |
| Belt power (max) |
46.73hp / 34.8kW |
| Belt fuel use (max) |
3.4gal/hour / 12.9l/hour |
| Max power |
39.52hp / 29.5kW |
| Max pull |
5772lbs / 2618kg |
FARMALL SUPER MD POWER
| Drawbar (claimed) |
42hp / 31.3kW |
| PTO (claimed) |
47.5hp / 35.4kW |
| Drawbar (tested) |
39.52hp / 29.5kW |
| Belt (tested) |
46.73hp / 34.8kW |
ENGINE DETAIL
The Farmall Super MD features a 4-cylinder, liquid-cooled diesel engine with a substantial displacement of 264 ci (4.3L), which allows for efficient torque delivery at lower RPMs, making it suitable for heavy-duty applications. Its 16.5:1 compression ratio optimizes fuel efficiency and power output, although it may require high-quality diesel and proper maintenance to prevent knocking. The 12-volt starter system ensures reliable ignition, while the 28-quart coolant capacity aids in maintaining optimal operating temperatures, essential for long hours in the field.
| Description |
International Harvester diesel 4-cylinder liquid-cooled |
| Displacement |
264ci / 4.3L |
| Bore/Stroke |
4.00x5.25inches / 102x 133 mm |
| Compression |
16.5:1 |
| Rated RPM |
1450 |
| Firing order |
1-3-4-2 |
| Starter volts |
12 |
| Coolant capacity |
28qts / 26.5L |
FARMALL SUPER MD ENGINE
The Farmall Super MD is powered by a robust International Harvester 4.3L 4-cylinder diesel engine, offering enhanced torque for heavy-duty applications. Its 20.5-gallon fuel tank provides extended operation time, minimizing downtime during fieldwork. Challenges may include finding replacement parts due to its vintage status, so planning ahead for maintenance is crucial.
| Description |
International Harvester 4.3L 4-cyl diesel |
| Fuel tank |
20.5gal / 77.6L |
TRANSMISSIONS OVERVIEW
The Farmall Super MD features a 5-speed gear transmission coupled with a 10-speed partial power shift, providing a total of 50 gear combinations for versatile field operation. Advantages include improved torque control and better adaptability to various terrain, enhancing fuel efficiency and productivity. However, operators may face a steeper learning curve with the transmission system, necessitating proper training to optimize usage.
| Description |
5-speed gear/10-speed partial power shift |
TRANSMISSION 1
The Farmall Super MD features a 5-speed forward and 1-speed reverse gear system, which enhances maneuverability and precision during fieldwork. Its dry disc clutch provides efficient power transmission but may lead to increased wear under heavy load conditions. Optimal for medium-duty tasks, it excels in versatility but may require more frequent maintenance compared to systems with wet clutches.
| Type |
gear |
| Gears |
5 forward and 1 reverse |
| Clutch |
dry disc |
TRANSMISSION 2
The Farmall Super MD features an efficient partial power shift transmission with 10 forward and 2 reverse gears, enhancing versatility in various field tasks. The Torque Amplifier allows for instant torque increase when needed, improving performance during demanding operations like plowing or hauling. However, users should maintain the transmission system properly to avoid potential complications related to wear and thermal degradation, especially if operating under heavy loads frequently.
| Transmission |
International Harvester Torque Amplifier |
| Type |
partial power shift |
| Gears |
10 forward and 2 reverse |
| Description |
The Torque Amplifier first became available in 1954 on the Super MD-TA. |
MECHANICAL
The Farmall Super MD's 4x2 2WD chassis offers enhanced maneuverability for smaller farms but may struggle on uneven terrain compared to 4WD models. Its mechanical disc brakes provide reliable stopping power, though they may require more maintenance than hydraulic systems. The 5-speed gear combined with a 10-speed partial power shift transmission allows for versatile speed control, which can optimize both field work and transport efficiency, making it well-suited for varied agricultural tasks.
| Chassis |
4x2 2WD |
| Brakes |
differential mechanical disc |
| Cab |
Open operator station. |
| Transmissions |
5-speed gear/10-speed partial power shift |
HYDRAULICS
TRACTOR HITCH
POWER TAKE-OFF (PTO)
FARMALL SUPER MD TIRES
The Farmall Super MD is equipped with 6.00x16 front and 13.00x38 rear agricultural tires, providing a balance between agility and traction for various field operations. The larger rear tires enhance flotation and soil preservation, making it ideal for heavy tillage or planting in soft soil conditions. However, the narrow front tires may limit stability in uneven terrain, presenting a challenge during transport on rough ground.
| Ag front |
6.00x16 |
| Ag rear |
13.00x38 |
DIMENSIONS
| Wheelbase |
95.75inches / 243cm (tricycle)/99.75inches / 253cm (wide) |
| Length |
141.125inches / 358cm (tricycle)/145.125inches / 368cm (wide) |
| Width |
84.5inches / 214cm *Width to ends of rear axles. |
| Height (steering wheel) |
79inches / 200cm |
| Ground clearance |
18.5inches / 46cm (frame) |
| Clearance (rear axle) |
26.25inches / 66cm |
| Front tread |
57 to 81inches / 144to 205 cm (wide-front) |
| Rear tread |
52 to 88inches / 132to 223 cm |
FARMALL SUPER MD WEIGHT
| Shipping |
5770lbs / 2617kg |
| Operating |
5725lbs / 2596kg |
| Ballasted |
9338lbs / 4235kg |
DIMENSIONS & TIRES
The Farmall Super MD tractor offers a versatile wheelbase, with the tricycle configuration enhancing maneuverability in tight spaces, while the wider wheelbase provides improved stability and traction during heavy-field operations. Weighing between 5725 to 5770 pounds, it balances power and compactness, making it suitable for various tasks, but the weight may limit its usability on softer soils without proper soil compaction management. The tire size (6.00x16 front and 13.00x38 rear) contributes to a favorable ground contact area, optimizing traction and reducing soil compaction but may pose limitations in deep furrowing and heavy load scenarios.
| Wheelbase |
95.75inches / 243cm (tricycle)/99.75inches / 253cm (wide) |
| Weight |
5725 to 5770 pounds |
| Front tire |
6.00x16 |
| Rear tire |
13.00x38 |
SUPER MD SERIAL NUMBERS
| 1952 |
501 (SMDV) |
| 1953 |
12516 (SMDV) |
| 1954 |
51995 |
| Final |
50464 (SMDV) |
ELECTRICAL
| Ground |
positive |
| Batteries |
2 |
| Battery volts |
6 |
