| Manufacturer |
Farmall |
| Price |
2,000(USD) |
| Model |
H |
| Equipment Type |
Row-Crop Tractors |
| Factory |
Rock Island, Illinois, USA |
ENGINES OVERVIEW
The Farmall H tractor features a robust 2.5L 4-cylinder engine variant available in gasoline, distillate, and kerosene, providing versatility in fuel options. Key advantages include its reliable power output for medium-duty agricultural tasks and its adaptability for various fuel types, which can optimize operational costs depending on market fuel prices. However, potential challenges include the engine's age, which may result in difficulties sourcing specific replacement parts or achieving modern emissions standards.
| Description |
International Harvester 2.5L 4-cyl gasoline International Harvester 2.5L 4-cyl distillate International Harvester 2.5L 4-cyl kerosene |
ENGINE DETAIL 1
The Farmall H tractor features a robust International Harvester C-152 engine with a displacement of 152.1 ci (2.5L) and moderate compression ratio of 5.9:1, providing reliable power at 1,650 RPM. Its hand-crank and optional electric starter offer versatility but a 6-volt system may limit starting efficiency in colder climates. The tractor's 16.5-quart coolant capacity is advantageous for extended use in various agricultural operations, though regular maintenance of valve clearance is essential for optimal engine performance.
| Description |
International Harvester C-152 gasoline 4-cylinder liquid-cooled |
| Displacemen |
152.1ci / 2.5L |
| Bore/Strok |
3.375x4.25inches / 86x 108 mm |
| Compressio |
5.9:1 |
| Rated RP |
1650 |
| Firing orde |
1-3-4-2 |
| Starte |
hand-crank/electric OptOptional |
| Starter volt |
6 |
| Oil capacit |
6 qts/5.7 L |
| Coolant capacit |
16.5qts / 15.6L |
| Sparkplug ga |
0.025inches / 0.635 mm |
| Point ga |
0.013inches / 0.330 mm |
| Intake valve clearanc |
0.017 inches*Hot/0.432 mm |
| Exhaust valve clearanc |
0.017 inches*Hot/0.432 mm |
ENGINE DETAIL 2
The Farmall H tractor is powered by a 2.5L liquid-cooled 4-cylinder engine, featuring a relatively low compression ratio of 4.75:1, making it suitable for burning distillate fuels which can provide better economy for farm operations. Key specifications like the bore and stroke of 3.375x4.25 inches indicate a focus on torque delivery over high RPM performance, beneficial for fieldwork scenarios. The oil and coolant capacities of 6 quarts and 16.5 quarts respectively indicate a design optimized for extended operational intervals, although maintaining proper temperatures and oil quality is crucial to ensure engine longevity.
| Description |
International Harvester distillate 4-cylinder liquid-cooled vertical I-head |
| Displacemen |
152.1ci / 2.5L |
| Bore/Strok |
3.375x4.25inches / 86x 108 mm |
| Compressio |
4.75:1 |
| Firing orde |
1-3-4-2 |
| Oil capacit |
6 qts/5.7 L |
| Coolant capacit |
16.5qts / 15.6L |
ENGINE DETAIL 3
The Farmall H tractor features a 4-cylinder kerosene engine with a displacement of 152.1 cubic inches (2.5L), providing efficient power for various agricultural tasks. Its compression ratio of 4.5:1 indicates efficient combustion with lower thermal stress, though it may limit power compared to models with higher compression ratios. With a liquid cooling system and a coolant capacity of 16.5 quarts, it ensures optimal operating temperatures, making it suitable for prolonged field work in moderate climates.
| Description |
International Harvester kerosene 4-cylinder liquid-cooled |
| Displacemen |
152.1ci / 2.5L |
| Bore/Strok |
3.375x4.25inches / 86x 108 mm |
| Compressio |
4.5:1 |
| Firing orde |
1-3-4-2 |
| Oil capacit |
6 qts/5.7 L |
| Coolant capacit |
16.5qts / 15.6L |
FARMALL H ENGINES
The Farmall H tractor is powered by a versatile 2.5L 4-cylinder engine, compatible with gasoline, distillate, and kerosene fuels, providing operational flexibility for different agricultural environments. Advantages include ease of maintenance and adaptability to available fuel types, enhancing fuel economy and reducing operational costs. However, the reliance on aged technology may lead to challenges in power output and overall efficiency compared to modern tractors; optimal for small to mid-sized farms requiring reliable, low-maintenance machinery.
| Description |
International Harvester 2.5L 4-cyl gasoline International Harvester 2.5L 4-cyl distillate International Harvester 2.5L 4-cyl kerosene |
TRANSMISSION
The Farmall H tractor features a sliding gear transmission with five forward and one reverse gear, facilitating a range of operational speeds for various farming tasks. Its dry disc clutch provides reliable engagement but may have limitations in terms of smoothness compared to wet alternatives, especially under heavy loads. With an oil capacity of 24 quarts (22.7 liters), regular maintenance is essential to ensure optimal lubrication and performance longevity.
| Typ |
sliding gear |
| Gear |
5 forward and 1 reverse |
| Clutc |
dry disc |
| Oil capacit |
24qts / 22.7L |
FARMALL H TRANSMISSION
The Farmall H features a 5-speed sliding gear transmission, allowing for flexible speed adjustments suitable for diverse agricultural tasks. The mechanical simplicity of the sliding gear system can enhance reliability, but may lead to higher operator fatigue during frequent gear changes compared to synchronized transmissions. Ideal for farming applications where robust performance at various speeds is required, the Farmall H excels in plowing, hauling, and cultivating tasks.
| Description |
5-speed sliding gear |
MECHANICAL
The Farmall H tractor features a two-wheel drive system, enhancing traction on firm soils but may struggle in wet or uneven terrain. Its manual steering can be labor-intensive during extended use, while the mechanical contracting band brakes provide reliable stopping power but may require more maintenance than modern hydraulic systems. Ideal for small to mid-sized farming operations, the simplicity of the design makes it easy to repair, although operators should be aware of potential fatigue during long working hours.
| Description |
Two-wheel drive Manual steering Mechanical contracting band brakes Open operator station |
CAPACITY
| Fue |
17.5gal / 66.2L |
| Aux. fue |
0.875gal / 3.3L |
| Hydraulic syste |
1 gal/3.8 L |
HYDRAULICS
TRACTOR HITCH
| Typ |
Lift-All *Pneumatic implement lift system. |
POWER TAKE-OFF (PTO)
| Rear RP |
540 *The 1-3/8 shaft was adopted in 1942. Prior to that, a 1-1/8 inch shaft was used. |
FARMALL H TIRES
The Farmall H tractor features a robust front axle with a 6x20 agricultural configuration, providing excellent maneuverability in diverse field conditions. It is equipped with rear steel wheels, with options ranging from 51x6 to multiple sizes (6.00-36, 8-38, 9-38, and 10-38), which allows for adaptability in traction and load-bearing capabilities across various terrains. This tractor is advantageous for mid-sized farming operations but may present challenges with tire wear on softer soils due to the steel wheels.
| Ag fron |
6x20 (HV) |
| Ag rea |
51x6 (steel)/6.00-36/8-38/9-38/10-38 |
DIMENSIONS & TIRES
The Farmall H tractor features a wheelbase of 88.325 inches, contributing to stable handling during plowing or towing tasks, while its weight of 3875 lbs provides adequate ground traction. The front tires (5.50-16) offer sufficient grip for steering control, whereas the rear tires (51x6) are designed for enhanced load-bearing capacity, making it suitable for larger implements. However, its weight could limit mobility on uneven terrain, necessitating careful navigation in hilly fields.
| Wheelbas |
88.325inches / 224cm |
| Weigh |
3875lbs / 1757kg |
| Front tir |
5.50-16 |
| Rear tir |
51x6 |
H SERIAL NUMBERS
| 193 |
501 |
| 194 |
300876 |
| 195 |
390500 |
H SERIAL LOCATION
| Description |
Transmission housing on left. |
ELECTRICAL
| Groun |
positive |
| Charging syste |
generator |
| Battery volt |
6 |
