Construction Equipment Guide
470 Maryland Drive
Fort Washington, PA 19034
800-523-2200
The Case 521D is a wheel loader designed for material handling, loading, and general construction applications. It is part of Case's D-series lineup and is commonly used in aggregate, landscaping, municipal, and site preparation work. The machine features a front-mounted loader arm and bucket arrangement for moving soil, gravel, sand, and other bulk materials. Typical wheel loader characteristics include articulated steering, four-wheel drive, and a cab configured for operator visibility and control. The 521D is referenced in equipment listings, parts catalogs, and fleet inventories as a mid-size Case wheel loader used in utility and construction environments.