ISO 3449:1992

Earth-moving machinery — Falling-object protective structures — Laboratory tests and performance requirements ISO 3449:1992

Publication date:   May 14, 1992

Scope

Establishes a consistent, repeatable means of evaluating characteristics of falling-object protective structures under loading and prescribes performance requirements for these structures under such loading in a representative test. Applies to the following types of operator-controlled machines: a) crawler loaders, wheel loaders and backhoe loaders, b) crawler tractors and wheel tractors, c) graders, d) tractor-scrapers.