Excel Engineering

Excel Engineering is a small business located in Diagonal, Iowa. Excel Engineering is a high quality and versatile testing facility with a staff of skilled and energetic individuals. Our specialty is completing Research and Development (R&D) projects for engine manufacturers in our engine test cells or while in use. We offer a variety of fully automated engine test cells capable of measuring engine performance, exhaust emissions and durability on an around the clock basis. We are most experienced with diesel/JP5 compression ignition, spark ignited gasoline, natural gas, and propane engines.