TTI, located in Yonkers, New York can provide a complete line of locomotive services in areas of sale of re-powered units, overhauls, heavy repair, contract maintenance, material management, and upgrades.   We are also an OEM for design, manufacture, installation and maintenance of Head End Power for the commuter market.


We have established long term relationships, along with a list of projects and customer references that spans the North American and International markets.  TTI is a mobile provider for field repairs, maintenance, training, overhauls, and locomotive upgrades.  These product offerings provide the customer with a full service solution for offsite program work along with onsite flexibility to shop locomotives at the customer’s location.