This SAE Standard applies to horizontal earthboring machines (SAE J2022) of the following types: a. auger boring machines; b. rod pushers; c. rotary rod machines; d. impact machines; and e. horizontal directional drilling machines.

This document does not apply to specialized mining machines, conveyors, tunnel boring machines, pipe jacking systems, micro tunnelers, or well drilling machines.

This document is a guide for reducing hazards for the operators and others during normal operation and maintenance of horizontal earthboring machines.