Case IH 786 Tractor Parts
786 parts and accessories
The Case IH 786 tractor, manufactured from 1976 to 1984, was a versatile workhorse popular for its reliability and robust design. Powered by a diesel engine producing around 77 horsepower, with approximately 67 PTO horsepower, the 786 provided sufficient power for a variety of farm tasks. Farmers appreciated its balance of power, size, and affordability, making it a staple on many farms.
The Case IH 786 was introduced in 1976 as part of the International Harvester's '86 series. Production continued until 1984, after which it was succeeded by other models. The tractor is equipped with an International Harvester D-312 5.1L (312 ci) 6-cylinder diesel engine rated at approximately 77 horsepower. The engine features a bore and stroke of 3.875 x 4.30 inches. Transmission options included a gear transmission with 8 forward and 4 reverse speeds, offering a good range for various field operations. The independent PTO delivers around 67 horsepower, available in both 540 and 1000 RPM configurations. The hydraulic system has a capacity of approximately 12 GPM, with typically 2 remote valves. The 3-point hitch is a Category II, providing a lift capacity of around 4,000 lbs. Common farming applications for the 786 included row crop work, hay baling, livestock feeding operations, and light tillage. The 786 stood out from other models in the lineup by offering a balance between power and maneuverability, making it a good fit for smaller to medium-sized farms.
Specifications
| Engine | International Harvester D-312 77 HP Diesel |
|---|---|
| PTO HP | 67 HP @ 540/1000 RPM |
| Transmission | Gear 8F/4R |
| Hydraulics | 12 GPM, 2 remotes |
| 3-Point Hitch | Category II, 4000 lbs |
| Fuel Capacity | 24 gallons |
| Weight | 7300 lbs |
| Years Produced | 1976-1984 |
Maintenance Tips
- Change engine oil and filter every 250 hours of operation using high-quality diesel engine oil that meets the manufacturer's specifications.
- Inspect and maintain hydraulic system regularly. Check for leaks, ensure proper fluid levels, and replace hydraulic filters according to the service schedule.
- Use clean, fresh fuel and add a fuel stabilizer during seasonal storage to prevent fuel degradation and injector clogging.
- Before storing the tractor for extended periods, drain the fuel tank or add a fuel stabilizer, disconnect the battery, and store the tractor in a dry, sheltered location.
History & Background
The Case IH 786 was introduced in 1976 during the International Harvester era, becoming a popular model in the '86 series. There were no significant redesigns during its production run. The 786 played a crucial role in agricultural history by providing a reliable and versatile tractor for a wide range of farming applications.
Frequently Asked Questions
What engine is in the Case Ih 786?
The Case IH 786 is equipped with an International Harvester D-312 5.1L (312 ci) 6-cylinder diesel engine producing approximately 77 horsepower.
What is the PTO horsepower on a 786?
The Case IH 786 has a PTO horsepower rating of approximately 67 HP and offers both 540 and 1000 RPM PTO speed options.
What oil filter fits the 786?
The recommended oil filter for the Case IH 786 is a Fram PH25, Wix 51773 or equivalent. Always consult your tractor's manual to verify fitment.
What are common parts needed for the 786?
Common parts needed for the Case IH 786 include oil filters, fuel filters, air filters, belts, hydraulic seals, steering components like tie rod ends, and clutch parts.

118304C2 - Receiver Drier (O-Ring Fittings)
SKU: 118304C2
70 in stock

118250C92 - York w/o Clutch (ER-210-R RH Suction Rotolock Head) New Compressor
SKU: 118250C92
14 in stock

111631C91 - Y dim = .62") Clutch - York/Tecumseh Style ( 2 groove 7" pulley) (X dim = 1.66"
SKU: 111631C91
45 in stock

111267C4 - Switch Low Pressure
SKU: 111267C4
9 in stock

111266C1 - Hi-Pres. Switch
SKU: 111266C1
39 in stock

111218C2 - Receiver Drier
SKU: 111218C2
32 in stock

109268C2 - AC/HT Switch
SKU: 109268C2
493 in stock

146520CHR - Extended Curve Chrome Exhaust Stack
SKU: 146520CHR
125 in stock

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

D149295 - Speed Transmission Female Ball Joint
SKU: D149295
7 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

75414C91 - Clutch Booster Seal Kit
SKU: 75414C91
220 in stock

71526KIT - Duckfoot & Lever w/ Hardware Kit
SKU: 71526KIT
75 in stock

71526C1 - Shaft w/ duckfoot
SKU: 71526C1
38 in stock

528707R1 - Ring & Pinion Set
SKU: 528707R1
71 in stock

528675R1 - 3rd/ 4th Speed Sliding Gear
SKU: 528675R1
22 in stock

50191002 - Clutch Release Bearing Return Kit
SKU: 50191002
16 in stock

406473R1 - 1st Gear
SKU: 406473R1
8 in stock

406028R1 - Constant Mesh Gear
SKU: 406028R1
8 in stock
398304R1 - SPRING
SKU: 398304R1
62 in stock

398300KIT - 1- 398304R1 Spring 2- 380115R2 Rollers Kit: 2 Arms
SKU: 398300KIT
30 in stock

398285R2 - Hi/Lo Operating Arm Assembly
SKU: 398285R2
7 in stock

398279R2 - Hi-Lo Shift Fork
SKU: 398279R2
205 in stock
