![](/images/car/143.jpg)
Joy celebrates shuttle car milestone
OPTIDRIVE, Joy says, was designed to work well in all conditions, providing the needed power of the AC drive and the smooth acceleration of an AC/DC or DC drive. With OPTIDRIVE, the shuttle car's top speed of about four miles per hour (6km per hour) was increased to 6mph (9kph), the international standard allowable top speed, Joy said, …