| Manufacturer | Farmall |
| Price | 42,957(USD) |
| Model | 806 |
| Equipment Type | Row-Crop Tractors |
| Factory |
NEBRASKA TRACTOR TEST 857 2
| Description | Diesel Torque Amplifier 2WD October 22 - 30, 1963 Link: Nebraska Tractor Test 857 file PTO performance Drawbar performance Gear 2H-TA used for power test Gear 3L-TA used for pull test |
| Power at rated engine speed | 94.93hp / 70.8kW |
| Fuel use | 6.4gal/hour / 24.2l/hour |
| Power at rated PTO speed | 89.04hp / 66.4kW |
| Max power | 84.77hp / 63.2kW |
| Max pull | 9,182lbs / 4164kg |
NEBRASKA TRACTOR TEST 859 2
| Description | Gasoline Torque Amplifier 2WD/10/28/1963 Link: Nebraska Tractor Test 859 file PTO performance Drawbar performance Gear 2H-TA used for power test Gear 3L-TA used for pull test |
| Power at rated engine speed | 93.27hp / 69.6kW |
| Fuel use | 7.5gal/hour / 28.4l/hour |
| Power at rated PTO speed | 83.99hp / 62.6kW |
| Max power | 80.70hp / 60.2kW |
| Max pull | 9,003lbs / 4083kg |
NEBRASKA TRACTOR TEST 861 2
| Description | LP-gas Torque Amplifier 2WD November 6 - 26, 1963 Link: Nebraska Tractor Test 861 file PTO performance Drawbar performance Gear 2H-TA used for power test Gear 3L-TA used for pull test |
| Power at rated engine speed | 93.42hp / 69.7kW |
| Fuel use | 9.5gal/hour / 36.0l/hour |
| Power at rated PTO speed | 83.20hp / 62.0kW |
| Max power | 81.53hp / 60.8kW |
| Max pull | 9,072lbs / 4115kg |
FARMALL 806 POWER
| Engine (gross) | 110hp / 82.0kW |
| Drawbar (claimed) | 84hp / 62.6kW |
| PTO (claimed) | 94.5hp / 70.5kW |
| Drawbar (tested) | 84.77hp / 63.2kW |
| PTO (tested) | 94.93hp / 70.8kW |
ENGINES OVERVIEW
The Farmall 806 features a robust International Harvester 5.9L 6-cylinder diesel engine, providing superior torque and fuel efficiency, advantageous for heavy-duty field work. The availability of both gasoline and LP-gas variants (4.9L) offers operational flexibility, yet the diesel variant typically outperforms in longevity and reliability under strenuous conditions. However, users should consider potential challenges in parts availability for gasoline and LP-gas models as they age.
| Description | International Harvester 5.9L 6-cyl diesel International Harvester 4.9L 6-cyl gasoline International Harvester 4.9L 6-cyl LP-gas |
ENGINE DETAIL 1
The Farmall 806 is powered by a robust International Harvester D-361 diesel engine with a displacement of 361 cubic inches (5.9L), offering a high torque capacity and fuel efficiency, ideal for heavy agricultural tasks. With a compression ratio of 17:1 and a rated RPM of 2400, it provides solid performance in towing and plowing operations, although the higher compression may require specific fuel management to avoid potential pre-ignition issues. The two-stage dry air cleaner enhances engine longevity by minimizing dirt intake, making this tractor suitable for varied farm conditions while ensuring reliable starting with a 12-volt electrical system.
| Description | International Harvester D-361 diesel 6-cylinder liquid-cooled |
| Displacement | 361ci / 5.9L |
| Bore/Stroke | 4.125x4.50inches / 105x 114mm |
| Air cleaner | two-stage dry |
| Compression | 17:1 |
| Rated RPM | 2400 |
| Idle RPM | 900-2400 |
| Starter volts | 12 |
ENGINE DETAIL 2
The Farmall 806 features a robust International Harvester C-301 gasoline engine, delivering 110 hp at 2400 RPM with a notable displacement of 301 cubic inches (4.9L), suitable for a variety of farming tasks requiring both power and reliability. Its two-stage dry air cleaner enhances engine longevity by providing superior filtration, although it may require more maintenance compared to simpler systems. Ideal for medium to heavy-duty applications in agriculture, the tractor can face challenges like fuel efficiency in high-load scenarios, but its liquid-cooled design aids in maintaining optimal operating temperatures.
| Description | International Harvester C-301 gasoline 6-cylinder liquid-cooled |
| Displacement | 301ci / 4.9L |
| Bore/Stroke | 3.8125x4.39inches / 97x 112mm |
| Power (gross) | 110hp / 82.0kW |
| Air cleaner | two-stage dry |
| Rated RPM | 2400 |
| Starter volts | 12 |
ENGINE DETAIL 3
The Farmall 806 features a C-301 LP-gas engine offering a robust displacement of 301 ci (4.9L) with a bore and stroke ratio conducive to torque delivery. Operating at a rated RPM of 2400 allows it to handle heavy loads efficiently while being supported by a two-stage dry air cleaner for optimal engine performance and longevity. However, LP-gas fuel may limit availability in some areas, and operators should consider infrastructure for fuel supply when deploying this unit in the field.
| Description | International Harvester C-301 LP-gas 6-cylinder liquid-cooled |
| Displacement | 301ci / 4.9L |
| Bore/Stroke | 3.8125x4.39inches / 97x 112mm |
| Air cleaner | two-stage dry |
| Rated RPM | 2400 |
| Starter volts | 12 |
FARMALL 806 ENGINES
The Farmall 806 tractor features versatile power options with a 5.9L diesel engine or two gasoline variants (4.9L gasoline and 4.9L LP-gas), offering flexibility based on farm requirements. The extensive fuel tank capacities (42 gallons for diesel and 47 gallons for LP-gas) facilitate prolonged operational periods, enhancing productivity on larger farms. However, potential challenges may arise from fuel availability and engine maintenance needs for different fuel types.
| Description | International Harvester 5.9L 6-cyl diesel International Harvester 4.9L 6-cyl gasoline International Harvester 4.9L 6-cyl LP-gas |
| Fuel tank | 42gal / 159.0L |
| LP-gas Fuel tank | 47gal / 177.9L |
TRANSMISSIONS OVERVIEW
The Farmall 806 features an 8-speed unsynchronized transmission with an optional 16-speed two-speed power shift, offering versatile gear selections for various field conditions. The unsynchronized system may present challenges in shifting under load, while the power shift enhances operational efficiency for quick changes in speed without stopping. This tractor is suitable for heavy tillage or transport tasks, leveraging its power shift for seamless transitions in diverse agricultural operations.
| Description | 8-speed unsynchronized 16-speed two-speed power shift |
TRANSMISSION 1
The Farmall 806 tractor features an unsynchronized transmission with 8 forward and 4 reverse gears, which provides flexibility for various field operations but may require more skill to shift smoothly under load. The 12-inch dry disc clutch offers reliable engagement but can result in increased wear and maintenance needs over time. This configuration is ideal for farmers needing versatility in tillage and transport but may challenge less experienced operators during gear changes.
| Type | unsynchronized |
| Gears | 8 forward and 4 reverse |
| Clutch | 12-inch dry disc |
| Description | Four gears (1-4) in low, high, and reverse ranges |
SPEEDS 1
| Description | With 15.5-38 rear tires |
TRANSMISSION 2
The Farmall 806 features a two-speed torque amplifier, enhancing its transmission capabilities with 16 forward and 8 reverse gears. The clutchless shifting mechanism simplifies gear transitions, allowing for efficient power management during varied farming tasks, especially in heavy load scenarios. However, users should monitor the torque amplifier's wear to maintain performance and ensure reliability in demanding environments.
| Transmission | Torque Amplifier |
| Type | two-speed power shift |
| Gears | 16 forward and 8 reverse |
| Clutch | 12-inch dry disc |
| Description | As two-range Torque Amplifer (TA) to the basic transmission. Pulling back on the left-hand TA lever provides a clutchless shift to a lower speed for each gear. Pushing the lever forward return to direct-drive mode |
SPEEDS 2
| Description | With 15.5-38 rear tires |
MECHANICAL
The Farmall 806’s 4x2 2WD chassis offers less traction in slippery conditions compared to 4WD options, limiting its performance in muddy or hilly terrain. Its hydrostatic power steering enhances maneuverability, making it easier to operate in tight spaces, while the hydraulic dry disc brakes provide reliable stopping power. The 8-speed unsynchronized and 16-speed two-speed power shift transmission allows for flexible speed management, which is beneficial for varying field conditions and tasks, although the unsynchronized nature may require more skill in shifting under load.
| Chassis | 4x2 2WD |
| Steering | hydrostatic power |
| Brakes | hydraulic dry disc |
| Cab | Open operator station. |
| Transmissions | 8-speed unsynchronized 16-speed two-speed power shift |
HYDRAULICS
| Pump flow | 12gpm / 45.4lpm 3gpm / 11.4lpm (PTO pump) |
| Steering flow | 9gpm / 34.1lpm |
TRACTOR HITCH
| Rear Type | 2/1 |
| Type | IH Fast Hitch |
POWER TAKE-OFF (PTO)
| Rear PTO | independent |
| Rear RPM | 540/1000/1000 |
FARMALL 806 TIRES
The Farmall 806 features Ag front tires sized 6.50-16 and rear tires of 15.5-38, providing a balanced combination of traction and stability for various agricultural tasks. The larger rear tires improve flotation and reduce soil compaction, making it beneficial for heavy-duty fieldwork and crop management. However, the tire size may limit maneuverability in tighter spaces, making it less suitable for smaller plots or intricate landscaping operations.
| Ag front | 6.50-16 |
| Ag rear | 15.5-38 |
DIMENSIONS
| Wheelbase | 101.2inches / 257cm |
| Length | 161inches / 408cm |
| Width | 110inches / 279cm |
| Height (steering wheel) | 81inches / 205cm |
| Rear axle | 3.25inch diameter / 82mm |
| Front tread | 8/16inches / 20/40cm |
| Rear tread | 56 to 94inches / 142to 238cm |
FARMALL 806 WEIGHT
| Gasoline Shipping | 7,720lbs / 3501kg |
| Diesel Shipping | 8,500lbs / 3855kg |
| Ballasted | 11,895lbs / 5395kg |
DIMENSIONS & TIRES
The Farmall 806 tractor features a wheelbase of 101.2 inches, providing stability during operation, especially on uneven terrain, while its weight range of 7720 to 8500 pounds enhances traction and reduces slippage. The front tire size of 6.50-16 aids in maneuverability, whereas the larger rear tire size of 15.5-38 facilitates improved power transfer for heavy tillage and fieldwork. A potential challenge includes limited flotation in soft soil conditions, which could lead to sinking or increased compaction.
| Wheelbase | 101.2inches / 257cm |
| Weight | 7720 to 8500 pounds |
| Front tire | 6.50-16 |
| Rear tire | 15.5-38 |
INTERNATIONAL HARVESTER 2000 LOADER
| Description | With double-acting lift cylinders |
| Loader weight | 1417lbs / 642kg |
| Height (to pin) | 125inches / 317cm |
| Clearance, dumped bucket | 105inches / 266cm |
| Rollback angle | 18° |
| Breakout force (lift) | 4000lbs / 1814kg |
| Lift to full height (at pin) | 2000lbs / 907kg |
| Bucket width | 48inches / 121cm 60inches / 152cm |
806 SERIAL NUMBERS
| 1963 | 501 |
| 1964 | 4709 |
| 1965 | 15946 |
| 1966 | 24038 |
| 1967 | 34943 |
ELECTRICAL
| Ground | negative |
| Charging system | generator |
| Charging amps | 25 |
| Batteries | 2 (diesel) / 1 (gas/LP) |
| Battery volts | 6 (diesel) / 12 (gas/LP) |
| Battery AH | 170 (diesel) / 60 (gas/LP) |