The Walthers Mainline 910-250 HO Scale GE ES44 GEVO Diesel Detail Kit upgrades HO scale GEVO locomotives with prototypical components including grab irons, lift rings, windshield wipers, MU hoses, and snowplow. Designed for WalthersMainline ES44 models, this kit enhances visual realism and operational authenticity for modern diesel lash-ups and includes detailed installation instructions.