Case IH 504 Tractor Parts

504 parts and accessories

The Case IH 504 tractor, manufactured from 1968 to 1970, was a popular choice among farmers for its reliability and versatility. Powered by a robust 45 horsepower gasoline or diesel engine, the 504 delivered approximately 40 PTO horsepower, making it well-suited for a variety of tasks. Its straightforward design and dependable performance made it a staple on many farms.

The Case IH 504 was introduced in 1968 and produced until 1970, slotting into the Case IH lineup as a utility tractor capable of handling diverse farm tasks. Engine options included either a Case IH gasoline or diesel engine. The gasoline engine produced approximately 45 horsepower, while the diesel engine generated a similar power output. Both engines were of around 154 cubic inch displacement. The transmission was typically a gear-type transmission, offering 8 forward and 2 reverse speeds providing a good range for field work. The PTO horsepower was around 40 hp with a standard 540 RPM PTO. The hydraulic system had a capacity of around 8-10 GPM with options for one or two remote valves. It featured a Category I 3-point hitch, enabling it to handle a variety of implements. Commonly used for row crop work, haying operations, and general livestock duties, the 504 stood out for its simplicity and ease of maintenance compared to more complex models. The IH 504 was considered one of the smaller tractors offered by Case IH during this era.

Specifications

Engine	Case IH 45 HP Gas or Diesel
PTO HP	40 HP @ 540 RPM
Transmission	Gear, 8 forward and 2 reverse speeds
Hydraulics	8-10 GPM, 1-2 remotes
3-Point Hitch	Category I, 2500 lbs
Fuel Capacity	16 gallons
Weight	4,200 lbs
Years Produced	1968-1970

Maintenance Tips

Engine Oil & Filter: Change your engine oil and filter every 125-250 hours using a high-quality oil meeting the manufacturer's specifications for optimal engine life.
Hydraulic System: Inspect hydraulic fluid levels regularly and change the hydraulic filter and fluid every 500 hours to prevent contamination and maintain proper hydraulic performance.
Fuel System: Use clean, fresh fuel and consider adding a fuel stabilizer if the tractor will be stored for an extended period. Replace the fuel filter annually to prevent fuel system clogs.

History & Background

The Case IH 504 was launched in 1968 as part of the International Harvester (IH) line, later becoming Case IH after the merger. This model did not undergo any major redesigns during its short production run (1968-1970). It represents a significant period in agricultural machinery when tractors were becoming more versatile and powerful, yet still retaining a simple and robust design.

Frequently Asked Questions

What engine is in the Case Ih 504?

The Case IH 504 was equipped with either a Case IH gasoline or diesel engine, producing approximately 45 horsepower with a displacement of around 154 cubic inches.

What is the PTO horsepower on a 504?

The Case IH 504 has a PTO horsepower rating of approximately 40 horsepower at 540 RPM.

What oil filter fits the 504?

Common oil filter replacements for the Case IH 504 include Wix 51061, Fram PH3614, or equivalents from other brands. Always verify compatibility with your specific engine and model year.

What are common parts needed for the 504?

Common wear parts for the Case IH 504 include engine oil filters, fuel filters, hydraulic filters, fan belts, hydraulic cylinder seals, steering components (tie rod ends, steering box parts), and clutch components (disc, pressure plate, throwout bearing).

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