Case IH HYDRO-84 Tractor Parts
Hydro 84 parts and accessories
The Case IH Hydro 84, manufactured from 1981 to 1984, was a popular choice for farmers seeking a versatile and reliable tractor. Powered by a 52 horsepower diesel engine and boasting a PTO horsepower of 45, the Hydro 84 provided ample power for various agricultural tasks. Its hydrostatic transmission made it particularly well-suited for operations requiring precise speed control, further cementing its place as a trusted workhorse on farms across the country.
The Case IH Hydro 84 was introduced in 1981 as part of the 84 series, which aimed to offer a modern and efficient line of tractors. Production continued until 1984. Under the hood, the Hydro 84 features an International Harvester D-239 4-cylinder diesel engine, producing approximately 52 horsepower with a displacement of 239 cubic inches. A key feature was its hydrostatic transmission, offering infinite speed control within its ranges, a significant advantage over geared transmissions for tasks requiring fine adjustments. The PTO delivers around 45 horsepower at 540 RPM. Hydraulics provide a flow rate of approximately 13.5 GPM, feeding two remote valves. The 3-point hitch is a Category II, with a lift capacity of around 3,500 lbs. Common farming applications for the Hydro 84 included row crop work like planting and cultivating, hay production, livestock feeding, and light tillage. It differentiated itself from other models in the lineup through its hydrostatic transmission and its focus on providing a balance of power, efficiency, and operator comfort. While other 84 series tractors offered gear transmissions, the Hydro 84 catered to farmers who valued ease of operation and precise control.
Specifications
| Engine | International Harvester D-239 52 HP Diesel |
|---|---|
| PTO HP | 45 HP @ 540 RPM |
| Transmission | Hydrostatic Infinite Speeds |
| Hydraulics | 13.5 GPM, 2 remotes |
| 3-Point Hitch | Category II, 3500 lbs |
| Fuel Capacity | 22 gallons |
| Weight | 6,300 lbs |
| Years Produced | 1981-1984 |
Maintenance Tips
- Engine Oil & Filter: Change the engine oil and filter every 250 hours using a high-quality diesel-rated oil and the correct filter. Regularly check the oil level.
- Hydraulic System: Inspect hydraulic fluid levels and check for leaks. Replace hydraulic filters according to the manufacturer's recommendations (usually every 500 hours) to prevent contamination and maintain hydraulic performance.
- Fuel System: Use clean, fresh diesel fuel. Drain water and sediment from the fuel tank regularly. Replace fuel filters as needed to prevent fuel starvation and maintain optimal engine performance.
- Seasonal Storage: Before storing the tractor for the off-season, stabilize the fuel, change the engine oil and filter, grease all fittings, and disconnect the battery. Store the tractor in a dry location to prevent rust and corrosion.
History & Background
The Case IH Hydro 84 was launched in 1981 as part of the International Harvester (later Case IH) 84 series, representing a move toward more modern tractor designs. It was a noteworthy model due to its hydrostatic transmission, which offered enhanced control and ease of use compared to traditional gear-driven tractors. The Hydro 84 played a significant role in the agricultural landscape by providing a versatile and user-friendly option for farmers.
Frequently Asked Questions
What engine is in the Case Ih Hydro 84?
The Case IH Hydro 84 is equipped with an International Harvester D-239 4-cylinder diesel engine, producing approximately 52 horsepower and 239 cubic inch displacement.
What is the PTO horsepower on a Hydro 84?
The Case IH Hydro 84 has a PTO horsepower rating of approximately 45 horsepower at 540 RPM.
What oil filter fits the Hydro 84?
The recommended oil filter for the Case IH Hydro 84 is typically a Fram PH2870A or equivalent. Other cross-references include a Wix 51068 or a NAPA 1068.
What are common parts needed for the Hydro 84?
Common parts needed for the Hydro 84 include engine oil filters, fuel filters, hydraulic filters, belts (fan belt, alternator belt), hydraulic seals and o-rings, steering components (tie rod ends, ball joints), and clutch components (if applicable, though less common with hydrostatic transmissions).

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