Case IH HYDRO-70 Tractor Parts
Hydro 70 parts and accessories
The Case IH Hydro 70 tractor, produced from 1977 to 1980, was a popular choice for farmers seeking a reliable and versatile machine. Powered by a 236 cubic inch diesel engine producing approximately 66 engine horsepower and delivering around 58 PTO horsepower, the Hydro 70 stood out due to its hydrostatic transmission, offering smooth and precise control for various agricultural tasks. Its ease of operation and robust design made it a valuable asset in fields across the nation.
The Case IH Hydro 70 emerged as a significant model in the Case IH lineup during its production years of 1977 to 1980. It was designed to provide farmers with a tractor capable of handling a variety of tasks, from mowing and baling hay to light tillage and loader work. Under the hood, the Hydro 70 features an International Harvester 236 cubic inch diesel engine, delivering about 66 horsepower. This engine was known for its reliability and fuel efficiency. The Hydro 70's defining feature was its hydrostatic transmission, which offered infinite speed control and ease of use compared to traditional gear-driven transmissions. The PTO delivers approximately 58 horsepower at 540 RPM. The hydraulic system had a capacity of around 12 GPM, powering two remote valves for implements. It also features a Category II 3-point hitch. Compared to other tractors in its class, the Hydro 70's hydrostatic transmission set it apart, making it particularly well-suited for applications requiring precise speed control, such as planting or spraying. While other models offered more horsepower or heavier tillage capabilities, the Hydro 70 found its niche in providing a user-friendly and efficient option for a wide range of farming operations.
Specifications
| Engine | International Harvester 236 CID 66 HP Diesel |
|---|---|
| PTO HP | 58 HP @ 540 RPM |
| Transmission | Hydrostatic, Infinite Speeds |
| Hydraulics | 12 GPM, 2 remotes |
| 3-Point Hitch | Category II, 3800 lbs lift capacity |
| Fuel Capacity | 22 gallons |
| Weight | 6,400 lbs |
| Years Produced | 1977-1980 |
Maintenance Tips
- Engine Oil & Filter: Change the engine oil and filter every 250 hours of operation using the recommended oil type and filter to maintain optimal engine performance.
- Hydraulic System: Inspect hydraulic fluid levels regularly and change the hydraulic filter every 500 hours to prevent contamination and ensure smooth hydraulic operation.
- Fuel System: Use a fuel conditioner to prevent gelling, especially in colder months, and replace the fuel filter annually to ensure clean fuel delivery.
- Seasonal Storage: Before storing the tractor for the off-season, drain fluids, top off fuel tank, and grease all lubrication points to prevent corrosion and ensure easy start-up in the spring.
History & Background
The Case IH Hydro 70 was introduced in 1977 as part of the Case IH lineup, aiming to offer a hydrostatically driven tractor for enhanced maneuverability and ease of use. There were no major redesigns during its short production run. The Hydro 70 represented a step towards more user-friendly tractor designs, catering to the evolving needs of modern farming practices.
Frequently Asked Questions
What engine is in the Case Ih Hydro 70?
The Case IH Hydro 70 is equipped with an International Harvester 236 cubic inch diesel engine, producing approximately 66 horsepower.
What is the PTO horsepower on a Hydro 70?
The PTO horsepower on the Case IH Hydro 70 is approximately 58 horsepower, delivered at 540 RPM.
What oil filter fits the Hydro 70?
The oil filter for the Case IH Hydro 70 typically cross-references to a Wix 51269 or a Fram PH3600. Always verify compatibility with your specific tractor's parts manual or a reliable parts supplier.
What are common parts needed for the Hydro 70?
Common parts needed for the Case IH Hydro 70 include engine oil filters, fuel filters, hydraulic filters, belts, hydraulic seals, steering components, and clutch components. Regular maintenance and inspection of these parts will extend the tractor's lifespan.

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