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Axle Area
Top Trunnion-Mounted Steering Axle
The steering axles on the 580K are top trunnion-mounted, compared to the 580SE's center trunnion-mounting. The top-mounted design provides:
□ Increased front tire clearance between the loader frame when the axle is fully oscillated and the tires turned.
□ A common main frame for both two- and four-wheel-drive units.
Improved Steering Design
The 580K steering system consists of one large center-mounted, double-acting, double-rod cylinder and two short tie rods with large ball joints. The 580SE used two double-acting steering cylinders with a long tie rod.
The 580K steering components are positioned farther from the ground, giving more protection and increased ground clearance.
Improved Four-Wheel-Drive Front Axle
The 580K features a Carraro model 710 four-wheel-drive front axle, while the 580SE had a model AE2. The new axle provides:
□ Tapered roller bearings instead of ball bearings in the spindles for improved reliability.
□ Steering angle increased 18 percent, from 33 degrees to 39 degrees, for improved maneuverability.
□ Eight wheel studs instead of six, for improved wheel retention.
 

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