Jasper Engines and Transmissions, a provider of remanufactured engines, completed the acquisition of D&W Diesel, a remanufacturer and distributor of diesel engine components. Financial terms were not disclosed. “We are honored to add D&W to our Jasper Holdings brands as they are well respected throughout the industry. Doug Wayne and Dave Wayne will continue to be involved, which is great," Doug Bawel, Jasper CEO.