Case IH 685 Tractor Parts

685 parts and accessories

The Case IH 685 tractor, manufactured from 1981 to 1984, was a popular choice for farmers needing a reliable and versatile machine. Powered by a diesel engine producing around 68 horsepower, the 685 offered sufficient power for a variety of tasks. Its robust design and ample PTO horsepower made it well-suited for haying operations and powering various implements.

The Case IH 685 was introduced in 1981 as part of the International Harvester lineup, later transitioning to the Case IH brand during the merger. Production ran until 1984. The heart of the 685 is an International Harvester D-239 diesel engine, a 239 cubic inch (3.9L) displacement, producing approximately 68 engine horsepower. The PTO horsepower is rated around 60 HP. The standard transmission was a gear-type transmission, typically offering 8 forward and 4 reverse speeds, though some models offered a creeper gear option for specialized applications. The open-center hydraulic system delivers around 12 GPM, powering two rear remotes. It features a Category II 3-point hitch with a lift capacity of approximately 3,500 lbs. Farmers commonly used the 685 for tasks like hay baling, mowing, light tillage, and livestock feeding. It distinguished itself with its robust construction and reliable engine, offering a balance of power and maneuverability, making it a solid all-around utility tractor.

Specifications

Engine	International Harvester D-239 68 HP 239 cu in (3.9L) Diesel
PTO HP	60 HP @ 540 RPM
Transmission	Gear 8F/4R (Standard), Optional Creeper
Hydraulics	12 GPM, 2 remotes
3-Point Hitch	Category II, 3500 lbs lift capacity
Fuel Capacity	20 gallons
Weight	6,300 lbs
Years Produced	1981-1984

Maintenance Tips

Change engine oil and filter every 250 hours of operation using a high-quality diesel engine oil.
Inspect and clean or replace hydraulic filters regularly to maintain hydraulic system performance and prevent damage.
Use a fuel stabilizer during seasonal storage to prevent fuel degradation and ensure easy starting next season.
Regularly check and maintain proper tire pressure to maximize fuel efficiency and minimize tire wear.

History & Background

The Case IH 685 was launched in the early 1980s, representing a transition point from International Harvester to Case IH. While it didn't undergo major redesigns during its relatively short production run, it quickly became known for its reliability and versatility. The 685 played a significant role in helping farmers transition to more modern farming practices.

Frequently Asked Questions

What engine is in the Case Ih 685?

The Case IH 685 is equipped with an International Harvester D-239 diesel engine, producing approximately 68 horsepower and displacing 239 cubic inches (3.9L).

What is the PTO horsepower on a 685?

The Case IH 685 has a PTO horsepower rating of approximately 60 HP operating at 540 RPM.

What oil filter fits the 685?

The correct oil filter for the Case IH 685 is typically a Fram PH2870A or equivalent. Common cross-references include Wix 51258 and NAPA 1258.

What are common parts needed for the 685?

Common wear parts for the Case IH 685 include engine oil filters, fuel filters, air filters, hydraulic filters, fan belts, hydraulic seals, tie rod ends, steering sector kits, clutch discs, and throwout bearings.

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