Morooka Rubber Track Carriers The Morooka MST 3000VD is Morooka's largest machine offered in the US. Powered by a Caterpillar® C-9 engine, they provide unparalleled performance. As the exclusive Morooka distributor for the USA, Canada, Mexico, Central and South America, we offer a full line machines and parts through our authorized dealer network. Morooka Rubber Track Carriers with their excellent load capacity and traction, take you where other machines cannot go. Morooka also offers a variety of sizes which help you match the right machine to the job.