Definition of "yardhorse"

Plaintiffs contended that on the night of the subject accident the decedent unhooked the yardhorse from a trailer and had parked it 10 feet in front of the trailer to drop a nosepin on the trailer; that after the decedent left the yardgoat- and while he was attempting to lower the nosepin, the yardgoat, which apparently had been in neutral, silently engaged into reverse, moved back and crushed the decedent under the trailer.

1975, Jury Verdicts Weekly - Volume 19, page 4

A yardhorse is used to move the air-truck container to the 747 containership.

1980, Hobart McKinley Conway, The Airport City: Development Concepts for the 21st Century, page 139

For example, containers are constantly being loaded and unloaded, yardhorses are moving containers throughout the terminal, cranes and stackers are at work, and so forth.

2017, Hildebrand, Gregory G. Noll, & Bill Hand, Intermodal Container Emergencies, page 89