Your operation depends on the power driving it. And your transmission is as crucial to your power solution as the engine. Cat transmissions are proven in the oil and gas industry and widely known for their exceptional power, leading durability, ease of operation, and shifting options.TH53-E60 transmissions are ideal for pressure pumping applications. TH53-E60 transmissions are optimized for use with Cat 3512C (HD) and Cat 3512E (HD) engines. Cat transmissions are backed by the worldwide network of Cat dealers ready to support your operation with technical support, service, parts, and warranty. Cat TH53-E60 oilfield transmission. Gross input power: 1865 bkW (2500 bhp).