Case IH 684 Tractor Parts

684 parts and accessories

The Case IH 684 was a popular utility tractor manufactured from 1978 to 1984. Powered by a 58 horsepower diesel engine, the 684 delivered a reliable 52 PTO horsepower, making it well-suited for a variety of tasks. Farmers appreciated its dependable performance and versatility in everyday farm work.

The Case IH 684 was introduced in 1978 and continued production until 1984, filling a need for a robust utility tractor in the Case IH lineup. The heart of the 684 is its International Harvester D-239 4-cylinder diesel engine, producing approximately 58 engine horsepower with a displacement of 239 cubic inches (3.9L). This diesel engine provides ample power for various agricultural tasks. It typically came equipped with an 8-speed gear transmission, offering a range of speeds for different field conditions. The rear PTO delivers around 52 horsepower at 540 RPM, suitable for operating implements like mowers, balers, and rotary cutters. Hydraulic capacity is around 8.5 GPM, with optional remote valves available. The 3-point hitch is a Category II, providing sufficient lift capacity for implements used in row crop farming, hay production, and livestock operations. The 684 distinguished itself with its rugged construction, simple design for ease of maintenance, and reliable performance, making it a favorite for general farm work.

Specifications

Engine	International Harvester D-239 58 HP Diesel
PTO HP	52 HP @ 540 RPM
Transmission	Gear 8-speed
Hydraulics	8.5 GPM, Optional remotes
3-Point Hitch	Category II, 3200 lbs lift capacity
Fuel Capacity	17 gallons
Weight	5,320 lbs
Years Produced	1978-1984

Maintenance Tips

Engine Oil & Filter: Change the engine oil and filter every 250 hours using a high-quality diesel engine oil meeting the manufacturer's specifications.
Hydraulic System: Inspect hydraulic fluid levels regularly and change the hydraulic filter every 500 hours. Use only recommended hydraulic fluid to prevent component damage.
Fuel System: Use a fuel stabilizer, especially during seasonal storage, to prevent fuel degradation and injector clogging. Drain any water from the fuel filter regularly.

History & Background

The Case IH 684 was released in 1978 as part of the IH utility tractor line. This model quickly gained popularity due to its robust design and reliable performance, proving its value in a variety of farming operations. Although not subject to major redesigns during its production run, the 684 remains a respected tractor in agricultural history.

Frequently Asked Questions

What engine is in the Case Ih 684?

The Case IH 684 is powered by an International Harvester D-239 4-cylinder diesel engine, producing approximately 58 horsepower.

What is the PTO horsepower on a 684?

The Case IH 684 delivers around 52 PTO horsepower at 540 RPM.

What oil filter fits the 684?

A common oil filter for the Case IH 684 is a Fram PH2870A or equivalent. Always verify the correct part number with your local parts supplier.

What are common parts needed for the 684?

Common parts needed for the Case IH 684 include engine oil filters, fuel filters, hydraulic filters, fan belts, hydraulic seals, steering components, and clutch parts.

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