Case 580K Backhoe Specifications

Sectional Loader Control Valve

The 580K features a Case-built, sectional loader control valve allowing conversion from two-spool to three-spool by simply adding a section. This makes switching fast and convenient when auxiliary hydraulics are needed for a 4-in-1" bucket, grapples, augers, quick coupler systems. Benefits include:

□ More dealer flexibility.

□ Less cost to the customer.

Bolt-on Split Flanges

For improved serviceability and protection against leaks, bolt-on split flanges connect the inlet and outlet tubes to the loader control valve.

Loader Bucket Lift Eyes

As standard equipment, the new long-lip bucket is designed with two integral closed-loop lift eyes. These lift eyes provide an easy and convenient way to use chains or slings for craning applications with the loader.

Heavy-Duty Long-Lip Loader Bucket

The new standard 1.0-cubic-yard (.76 m³) long-lip bucket is designed for heavy-duty use on both two- and four-wheel-drive units.

Note: The 580K loader bucket is not interchangeable with 580SE loader buckets because the loader arms are 2" (51 mm) further apart.

Auxiliary Loader Control Lever

The 580K auxiliary control lever is conveniently located next to the main loader control lever where the operator can reach it without strain. When the operator engages the main loader-control lever bucket-curl-back circuit, the auxiliary control lever automatically moves out of the way, so it doesn't interfere. The auxiliary control lever has two functions: Fore and aft for control of clam circuit and side-to-side for bucket dump and rollback.

Sealed Pins and Bushings

The lubrication interval of the loader pivot points has improved 500 percent, from every 10 hours to every 50 hours. This is the result of sealed pins and bushings on most of the pivot points.

The sealing keeps the dirt out and the grease in, resulting in:

□ Less service time.

□ Reduced operating costs.

□ Longer pin and bushing life.

Improved Loader Valve Metering and Efforts

For increased control and precise movements, the loader valve features improved metering. The lever effort on the loader raise and lower circuit has been reduced from 6.0 pounds (2.7 kg) to 5.5 pounds (2.5 kg) for less operator fatigue.

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