| Manufacturer |
Farmall |
| Price |
3,500(USD) |
| Model |
400 |
| Equipment Type |
Row-Crop Tractors |
| Factory |
Rock Island, Illinois, USA |
NEBRASKA TRACTOR TEST 532 2
| Description |
Gasoline Torque Amplifier 2WD March 28 - April 4, 1955 Link: Nebraska Tractor Test 532 file Drawbar performance Gear 3-Direct used for power test Gear 1-Direct used for pull test |
| Belt power (max) |
50.78hp / 37.9kW |
| Belt fuel use (max) |
4.4gal/hour / 16.7l/hour |
| Max power |
45.34hp / 33.8kW |
| Max pull |
6,508lbs / 2952kg |
NEBRASKA TRACTOR TEST 534 2
| Description |
Diesel Torque Amplifier 2WD April 8 - 16, 1955 Link: Nebraska Tractor Test 534 file Drawbar performance Gear 3-Direct used for power test Gear 1-TA used for pull test |
| Belt power (max) |
46.73hp / 34.8kW |
| Belt fuel use (max) |
3.4gal/hour / 12.9l/hour |
| Max power |
43.22hp / 32.2kW |
| Max pull |
6,479lbs / 2938kg |
NEBRASKA TRACTOR TEST 571 2
| Description |
LP gas Torque Amplifier 2WD May 7 - 28, 1956 Link: Nebraska Tractor Test 571 file Drawbar performance Gear 3-Direct used for power test Gear 1-TA used for pull test |
| Belt power (max) |
52.36hp / 39.0kW |
| Belt fuel use (max) |
5.8gal/hour / 22.0l/hour |
| Max power |
48.12hp / 35.9kW |
| Max pull |
6,663lbs / 3022kg |
FARMALL 400 POWER
| Drawbar (claimed) |
37hp / 27.6kW |
| PTO (claimed) |
45hp / 33.6kW |
| Drawbar (tested) |
48.12hp / 35.9kW |
| Belt (tested) |
52.36hp / 39.0kW |
ENGINES OVERVIEW
The Farmall 400 tractor features a versatile 4.3L 4-cylinder engine available in gasoline, diesel, and LP gas variants, allowing for operational flexibility across different fuel types. Its robust design enables reliable power output for various agricultural tasks; however, fuel type selection may impact operational costs and efficiency depending on local availability and pricing. Potential challenges include the need for specific maintenance protocols based on the chosen engine type, which could influence serviceability and spare parts procurement.
| Description |
International Harvester 4.3L 4-cyl gasoline /International Harvester 4.3L 4-cyl diesel International Harvester 4.3L 4-cyl LP gas |
ENGINE DETAIL 1
The Farmall 400 is powered by a C264 gasoline engine, featuring a 4.3L displacement and a modest compression ratio of 6.3:1, which supports smoother performance at lower RPMs (rated at 1450). Its updraft carburetor and oil bath air cleaner provide effective fuel and air management, but may require more frequent maintenance compared to modern systems. Ideal for low-horsepower tasks, this tractor can face challenges in fuel efficiency and exhaust emissions due to its older technology, making it less suitable for today's demanding agricultural applications.
| Description |
International Harvester C264 gasoline 4-cylinder liquid-cooled vertical I-head |
| Displacement |
264ci / 4.3L |
| Bore/Stroke |
4.00x5.25inches / 102 x 133mm |
| Fuel system |
1.25-inch updraft carburetor |
| Air cleaner |
oil bath |
| Compression |
6.3:1 |
| Rated RPM |
1450 |
| Idle RPM |
400-1600 |
| Firing order |
1-3-4-2 |
| Starter volts |
6 |
| Coolant capacity |
26qts / 24.6L |
| Sparkplug gap |
0.023inches / 0.584mm |
| Intake valve clearance |
0.017inches / 0.432mm (hot) |
| Exhaust valve clearance |
0.017inches / 0.432mm (hot) |
ENGINE OIL 1
The Farmall 400 tractor has an oil capacity of 8 quarts (7.6 liters) and requires an oil change every 150 hours of operation, which is crucial for maintaining optimal engine performance and longevity. Insufficient oil changes may lead to increased wear on engine components, while adhering to the schedule ensures efficient lubrication and heat dissipation. It's advisable to monitor oil levels regularly and consider using high-quality oil to enhance operational efficiency and reduce maintenance frequency.
| Oil capacity |
8qts / 7.6L |
| Oil change |
150 h |
ENGINE DETAIL 2
The Farmall 400 tractor is powered by a liquid-cooled 4-cylinder diesel engine with a significant displacement of 4.3L, offering robust torque suited for heavy-duty applications. Its 16.5:1 compression ratio enhances fuel efficiency while the oil bath air cleaner provides superior filtration, essential for optimal engine performance in agricultural environments. However, the relatively low rated RPM of 1450 limits the high-speed applications, making this tractor more effective for tasks like tilling and plowing rather than high-speed transport.
| Description |
International Harvester diesel 4-cylinder liquid-cooled vertical I-head |
| Displacement |
264ci / 4.3L |
| Bore/Stroke |
4.00x5.25inches / 102 x 133mm |
| Air cleaner |
oil bath |
| Compression |
16.5:1 |
| Rated RPM |
1450 |
| Firing order |
1-3-4-2 |
| Starter volts |
12 |
| Coolant capacity |
29qts / 27.4L |
ENGINE OIL 2
The Farmall 400 has an oil capacity of 9 quarts (8.5 liters), which indicates a moderate oil reserve for effective lubrication under various operational conditions. Ensure regular oil changes to maintain optimal engine performance and reduce wear. A larger oil capacity can help extend the intervals between servicing, but it's essential to monitor oil levels frequently to avoid potential damage due to low oil scenarios.
ENGINE DETAIL 3
The Farmall 400 features a robust International Harvester LP gas engine with a displacement of 264ci (4.3L), optimized for efficiency at a rated RPM of 1450, which makes it ideal for slow-speed field work. Its bore and stroke configuration of 4.00 x 5.25 inches (102 x 133mm) allows for good torque output, suitable for heavy-duty tasks but may limit peak horsepower compared to higher RPM engines. Keep in mind the 24.6L coolant capacity; maintaining proper levels is essential to prevent overheating during prolonged use.
| Description |
International Harvester LP gas 4-cylinder liquid-cooled vertical I-head |
| Displacement |
264ci / 4.3L |
| Bore/Stroke |
4.00x5.25inches / 102 x 133mm |
| Compression |
8.33:1 |
| Rated RPM |
1450 |
| Firing order |
1-3-4-2 |
| Coolant capacity |
26qts / 24.6L |
FARMALL 400 ENGINES
The Farmall 400 tractor, equipped with a 4.3L 4-cylinder engine, offers versatility with gasoline, diesel, and LP gas options, catering to various farming needs. Its robust horsepower and torque ensure efficient fieldwork, but operators should note the maintenance differences among fuel types, particularly in terms of availability and efficiency. Ideal for mid-sized farms, this tractor balances power and fuel economy, making it suitable for diverse applications like plowing, tilling, and hauling.
| Description |
International Harvester 4.3L 4-cyl gasoline International Harvester 4.3L 4-cyl diesel International Harvester 4.3L 4-cyl LP gas |
TRANSMISSION
The Farmall 400 features a partial power shift transmission with a Torque Amplifier, allowing for smooth gear transitions, which enhances efficiency during varied farming tasks. With 10 forward and 2 reverse gears, it provides versatility; however, operators must be adept at managing the clutch to leverage the system effectively. The 12-inch dry disc clutch can endure high workloads, but it may require more frequent maintenance compared to hydraulic clutches in similar models.
| Transmission |
Torque Amplifier |
| Type |
partial power shift |
| Gears |
10 forward and 2 reverse |
| Clutch |
12-inch dry disc |
SPEEDS
| Description |
With 12-38 rear tires |
MECHANICAL
The Farmall 400 tractor's 4x2 2WD chassis provides straightforward handling, ideal for light to moderate farm tasks but may struggle in slippery conditions. The optional manual power steering enhances maneuverability, while manual disc brakes require more operator skill for effective stopping, especially under heavy loads. The 10-speed partial power shift transmission offers versatility across various speeds, which is advantageous for different field operations, though it may require familiarity for seamless shifting.
| Chassis |
4x2 2WD |
| Steering |
manual power optional |
| Brakes |
manual disc |
| Cab |
Open operator station |
| Transmission |
10-speed partial power shift |
CAPACITY
| Fuel |
21.5gal / 81.4L |
| Aux. fuel |
0.9gal / 3.4L |
| Hydraulic system |
3.5gal / 13.2L 3.63gal / 13.7L (power steering) |
HYDRAULICS
| Type |
Hydra-Touch |
| Capacity |
3.5gal / 13.2L 3.63gal / 13.7L (power steering) |
| Valves |
3 |
TRACTOR HITCH
| Type |
IH Fast Hitch (optional) |
| Rear lift |
2,000lbs / 907kg |
POWER TAKE-OFF (PTO)
| Rear PTO |
transmission independent (optional) |
| Rear RPM |
540 |
| Engine RPM |
537@1450 (trans.)/ 534@1450 (ind.) |
FARMALL 400 TIRES
The Farmall 400 tractor is equipped with Ag front tires (6.00-16) and Ag rear tires (12-38), providing a balance of maneuverability and stability for farm applications. The larger rear tires offer improved traction and load capacity, ideal for pulling heavy implements or tillage tasks, while the front tires enhance steering response. However, the tire size may limit compatibility with certain narrow-row crops, requiring careful planning of fieldwork scenarios.
| Ag front |
6.00-16 |
| Ag rear |
12-38 |
DIMENSIONS
| Wheelbase |
95.75inches / 243cm |
| Length |
141.125inches / 358cm |
| Min Width |
84.5inches / 214cm |
| Max Width |
107.25inches / 272cm |
| Height (steering wheel) |
80.75inches / 205cm |
| Operating weight |
6,300lbs / 2857kg |
| Ballasted weight |
9,600lbs / 4354kg |
| Frame Ground clearance |
18.5inches / 46cm |
| Clearance (front axle) |
22.5inches / 57cm |
| Clearance (rear axle) |
26.25 inches/66 cm |
| Front tread |
57 to 90inches / 144 to 228cm |
| Rear tread |
50 to 106inches / 127 to 269cm (long axle) |
DIMENSIONS & TIRES
The Farmall 400's 95.75-inch wheelbase enhances stability during field operations, making it suitable for cultivating and plowing tasks. Weighing 6,300 lbs, it provides substantial traction, but may limit maneuverability in tighter spaces. The tire configuration (6.00-16 front and 12-38 rear) supports excellent flotation on various terrains, though the rear tire size may lead to increased soil compaction if not managed properly.
| Wheelbase |
95.75inches / 243cm |
| Weight |
6,300lbs / 2857kg |
| Front tire |
6.00-16 |
| Rear tire |
12-38 |
400 SERIAL NUMBERS
| Location |
Left side of clutch housing |
| 1954 |
501 |
| 1955 |
4732 |
| 1956 |
29065 |
BELT PULLEY
| Diameter |
11inches / 27cm |
| Width |
7.5inches / 19cm |
| RPM |
899 |
| Speed |
2,588ft/min / 788.82meters/min |
ELECTRICAL
| Ground |
positive (6V)/negative (12V) |
| Charging system |
generator |
| Battery volts |
6 (gas)/12 (diesel) |
