Case IH HYDRO-186 Tractor Parts

Hydro 186 parts and accessories

The Case IH Hydro 186, manufactured from 1971 to 1979, was a popular agricultural tractor known for its hydrostatic transmission. Powered by a 108 horsepower diesel engine, this tractor delivered approximately 95 PTO horsepower. Its efficient hydrostatic drive system provided farmers with precise control and ease of operation, making it a favorite for various field tasks.

The Case IH Hydro 186 tractor was introduced in 1971 and remained in production until 1979. It was designed to offer enhanced operator control and efficiency through its hydrostatic transmission. The tractor is equipped with an International Harvester D358 5.9L 6-cylinder diesel engine, producing around 108 horsepower. Its hydrostatic transmission allowed for infinitely variable speeds, providing excellent control during field operations. The PTO horsepower is rated at 95 HP, and it features a 540 RPM PTO. The hydraulic system has a capacity of approximately 15.5 GPM, typically equipped with two remote valves. The 3-point hitch is a Category II, offering a lift capacity of around 4,800 lbs. Common applications for the Hydro 186 included row crop cultivation, hay baling, livestock operations, and light tillage work. What distinguished the Hydro 186 was its hydrostatic transmission, offering smoother operation and eliminating the need for manual gear shifting, setting it apart from other gear-driven tractors in the Case IH lineup.

Specifications

Engine	International Harvester D358 108 HP 5.9L Diesel
PTO HP	95 HP @ 540 RPM
Transmission	Hydrostatic Infinitely Variable
Hydraulics	15.5 GPM, 2 remotes
3-Point Hitch	Category II, 4800 lbs
Fuel Capacity	34 gallons
Weight	9,440 lbs
Years Produced	1971-1979

Maintenance Tips

Engine Oil & Filter: Change engine oil and filter every 250 hours using a high-quality diesel engine oil. Regularly inspect the oil level and condition.
Hydraulic System: Check hydraulic fluid levels and inspect for leaks regularly. Change hydraulic fluid and filter every 500 hours or as recommended by the manufacturer. Use the correct type of hydraulic fluid to prevent damage.
Fuel System: Use clean, high-quality diesel fuel. Replace fuel filters annually or every 250 hours. Drain water from the fuel tank regularly to prevent contamination and injector issues.
Seasonal Storage: Before storing the tractor for the winter, stabilize the fuel, change engine oil and filter, grease all fittings, and disconnect the battery. Store the tractor in a dry location.

History & Background

The Case IH Hydro 186 was introduced in 1971 as part of the International Harvester's (later Case IH) commitment to innovative tractor technology. This model stood out due to its hydrostatic transmission, offering a distinct advantage in control and ease of use. The Hydro 186 played a significant role in the evolution of tractor design, showcasing the benefits of hydrostatic drive in agricultural applications.

Frequently Asked Questions

What engine is in the Case Ih Hydro 186?

The Case IH Hydro 186 is powered by an International Harvester D358 6-cylinder diesel engine producing 108 horsepower with a displacement of 5.9 liters.

What is the PTO horsepower on a Hydro 186?

The PTO horsepower on the Case IH Hydro 186 is rated at 95 HP and operates at 540 RPM.

What oil filter fits the Hydro 186?

Common oil filter options for the Hydro 186 include International Harvester 3137348R91, Fleetguard LF670, and Wix 51794. Always verify compatibility with your specific tractor's configuration.

What are common parts needed for the Hydro 186?

Commonly replaced parts on the Hydro 186 include engine oil filters, fuel filters, hydraulic filters, belts, hydraulic cylinder seals, steering components (tie rod ends, ball joints), and clutch components (if equipped with a manual transmission option).

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