Tractor Engineers Limited manufactures Sprocket Rims and Segments. Tractor Engineers Limited is an ISO 14001: 2004 certified company offering a wide range of tracking undercarriage, Battle Tank Pins, Apron Feeders and Oilfield Equipment Spares. The Sprocket Rims and Segments are designed to suit crawler operation in different applications. The Sprocket Rims and Segments are easily replaced without any special tooling and also eliminate the risk of Rim misalignment.