The Caterpillar D3400 engine refurbishment service offered by DRU is dedicated to revitalizing and extending the lifespan of industrial engines. Our specialists use advanced technologies and high-quality components to ensure optimal performance and maximum reliability. The process includes complete disassembly of the engine, cleaning and inspection of each part, replacement of worn components, and final assembly. We guarantee the impeccable operation of the refurbished engine, so you can continue your activities without interruptions.