Case IH 806 Tractor Parts
806 parts and accessories
The Case IH 806 tractor, manufactured from 1963 to 1967, was a workhorse for farmers during its time. Powered by a robust diesel or gasoline engine delivering around 95 horsepower, the 806 offered a PTO horsepower of approximately 80, making it suitable for a variety of farm tasks. Its reliability and power cemented its place as a favorite among agricultural professionals.
The Case IH 806 was introduced in 1963 as part of the '66 series, replacing earlier models and marking a significant step forward in tractor design and performance. Production continued until 1967. The 806 came equipped with either an International Harvester D-361 diesel engine, producing approximately 95 horsepower, or an International Harvester C-291 gasoline engine, also around 95 horsepower. The diesel engine displaced 361 cubic inches, while the gasoline engine displaced 291 cubic inches. The transmission was typically a gear-type transmission, offering a range of speeds to suit various field conditions. PTO horsepower was rated at approximately 80 HP, with a standard 540 RPM PTO. Hydraulic capacity varied slightly depending on the configuration, but typically offered around 12 GPM flow and supported multiple remote valves. It featured a Category II 3-point hitch. Farmers utilized the 806 for a wide range of applications, including row crop work, hay production, livestock operations, and tillage. The 806 was distinguished from smaller models by its increased power and heavier-duty construction, making it suitable for larger farms and more demanding tasks.
Specifications
| Engine | International Harvester D-361 95 HP Diesel / International Harvester C-291 95 HP Gasoline |
|---|---|
| PTO HP | 80 HP @ 540 RPM |
| Transmission | Gear, 8 forward and 2 reverse speeds |
| Hydraulics | 12 GPM, 2 remotes |
| 3-Point Hitch | Category II, 4300 lbs lift capacity |
| Fuel Capacity | 27 gallons (diesel), 26 gallons (gasoline) |
| Weight | 8,100 lbs |
| Years Produced | 1963-1967 |
Maintenance Tips
- Change engine oil and filter every 125-250 hours of operation, using a high-quality oil that meets the manufacturer's specifications.
- Inspect and maintain the hydraulic system regularly, checking for leaks, replacing filters as needed, and using the correct hydraulic fluid.
- Keep the fuel system clean and free of contaminants. Use a fuel filter and drain the fuel tank periodically to remove water and sediment.
- Before storing the tractor for the off-season, drain the fuel tank (if gasoline), add fuel stabilizer, change the engine oil, and grease all fittings. Protect the tires from prolonged exposure to sunlight.
History & Background
The Case IH 806 was a pivotal model in International Harvester's lineup, introduced in 1963. As part of the '66 series, it represented advancements in both power and operator comfort. It remains a highly sought-after classic tractor, valued for its durability and contribution to agricultural productivity during its era.
Frequently Asked Questions
What engine is in the Case Ih 806?
The Case IH 806 could be equipped with either an International Harvester D-361 diesel engine producing around 95 horsepower or an International Harvester C-291 gasoline engine, also around 95 horsepower.
What is the PTO horsepower on a 806?
The PTO horsepower on a Case IH 806 is approximately 80 HP, available at 540 RPM.
What oil filter fits the 806?
Common oil filter cross-references for the 806 include Fram PH25A, Wix 51794, and NAPA 1794. Always verify compatibility with your specific engine configuration.
What are common parts needed for the 806?
Common wear parts for the 806 include engine oil filters, fuel filters, hydraulic filters, fan belts, hydraulic cylinder seals, steering components (tie rod ends, etc.), and clutch parts (disc, pressure plate).

389529R1 - PTO Drive Shaft
SKU: 389529R1
16 in stock

384185R1 - IPTO Bushing
SKU: 384185R1
46 in stock

384103R1 - PTO Front Brg. Retainer Seal
SKU: 384103R1
6 in stock

384079R2 - PTO Drive Shaft Bearing (used w/o TA) Cage
SKU: 384079R2
15 in stock

381509R1 - PTO Idler Gear
SKU: 381509R1
7 in stock

381508R1 - Thrust (IPTO Idler) Washer
SKU: 381508R1
69 in stock

381507R1 - Ind. PTO Idler Shaft
SKU: 381507R1
36 in stock

381506R1 - IPTO Driven Gear
SKU: 381506R1
6 in stock

381505R1 - Independent PTO Output Shaft (540 RPM) Spacer
SKU: 381505R1
46 in stock

381464R22 - Anti Creep Brake Piston Assembly
SKU: 381464R22
51 in stock

380261R1 - IPTO Drive Shaft
SKU: 380261R1
48 in stock

380101R2 - IPTO Bearing Cage
SKU: 380101R2
31 in stock

148663C1 - PTO 540 RPM Shaft
SKU: 148663C1
22 in stock

1264503C1 - PTO Shield
SKU: 1264503C1
44 in stock

120985C1 - PTO 1000 RPM Shaft
SKU: 120985C1
11 in stock

530578R4 - Muffler
SKU: 530578R4
30 in stock

398511R1 - Muffler
SKU: 398511R1
15 in stock

384345R91 - Muffler
SKU: 384345R91
52 in stock

M300 - Pad & Screw For1981317C1 Brake Arm
SKU: M300
31 in stock

830443 - Shift Detent w/ Rivets (Transmission Speed Cover) Plate
SKU: 830443
11 in stock

79020-7 - Torque Amplifier Gasket Set
SKU: 79020-7
53 in stock

66487C1 - Brake Disc Seal Kit
SKU: 66487C1
1225 in stock

530807R2 - Brake Piston Outer O-Ring
SKU: 530807R2
12 in stock

530806R91 - Outer Brake Shaft Seal
SKU: 530806R91
62 in stock
