The 3 ERR mechanics maintain a fleet of 241 vehicles in 12 different departments. The vehicles maintained are cars, backhoes, dump trucks, service vehicles, pickups, and police cars. They also maintain additional other vehicles such as equipment trailers, a radar trailer, and other trailers.
Also at least 25 small pieces of equipment such as weed eaters, power saws, trash pumps, cement saws and grinders, and ground pounders.
There were over 1287 work orders completed in 2015, 980 repair work orders, and 307 preventative work orders.