Case IH 660 Tractor Parts

660 parts and accessories

The Case IH 660 tractor, manufactured from 1971 to 1973, was a reliable workhorse for farmers. Powered by an IH 301 cubic inch diesel engine producing around 66 horsepower, it provided ample power for various tasks. With a PTO horsepower rating of approximately 60, the 660 became popular for its versatility in powering implements and its robust design, making it a dependable choice for a wide range of farming operations.

The Case IH 660 was introduced in 1971 as part of the International Harvester lineup, continuing the tradition of reliable and practical tractors. Production continued through 1973. Under the hood, the 660 features an International Harvester 301 cubic inch diesel engine. This engine delivers approximately 66 horsepower at the crankshaft. Power is transmitted through a gear-type transmission offering 8 forward and 2 reverse speeds, providing a good range for field work. The PTO delivers around 60 horsepower at 540 RPM, suitable for operating various implements. The hydraulic system provides around 14 GPM of flow and typically features two remote valves. Its category II 3-point hitch offers a lift capacity around 3700 lbs, enabling it to handle a variety of implements. Commonly used in row crop operations, hay production, and livestock farming, the 660 filled a niche between smaller utility tractors and larger row crop machines. It distinguished itself with its straightforward design and dependable performance, making it a favorite amongst farmers needing a reliable and versatile tractor.

Specifications

Engine	International Harvester 301 ci Diesel
PTO HP	60 HP @ 540 RPM
Transmission	Gear, 8 Forward / 2 Reverse
Hydraulics	14 GPM, 2 remotes
3-Point Hitch	Category II, 3700 lbs
Fuel Capacity	23 gallons
Weight	6,500 lbs
Years Produced	1971-1973

Maintenance Tips

Change the engine oil and filter every 250 hours of operation, using a high-quality oil meeting IH specifications.
Regularly inspect and maintain the hydraulic system, checking for leaks and changing the hydraulic fluid and filter according to the manufacturer's recommendations (typically every 500 hours).
Ensure the fuel system is clean by regularly draining the fuel sediment bowl and replacing the fuel filter to prevent fuel starvation and engine damage.
Before storing the tractor for an extended period, fill the fuel tank to prevent condensation, add a fuel stabilizer, and properly lubricate all grease fittings.

History & Background

The Case IH 660 was launched in 1971 by International Harvester. While there were no major redesigns during its short production run, it represented a solid offering in the medium horsepower tractor segment. It contributed to the legacy of IH tractors known for their reliability and practical design.

Frequently Asked Questions

What engine is in the Case Ih 660?

The Case IH 660 is equipped with an International Harvester 301 cubic inch diesel engine, producing approximately 66 horsepower.

What is the PTO horsepower on a 660?

The Case IH 660 has a PTO horsepower rating of approximately 60 HP at 540 RPM.

What oil filter fits the 660?

Common oil filter cross-references for the Case IH 660 include Wix 51258 and Fram PH2835. Always verify compatibility with your specific engine and filter housing.

What are common parts needed for the 660?

Common wear parts for the Case IH 660 include engine oil filters, fuel filters, hydraulic filters, radiator hoses, belts, hydraulic seals, tie rod ends, steering components, clutch discs, and pressure plates.

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