Big Bear Engine Company

About Big Bear Engine Company

Big Bear Engine Company is a trusted provider of high-performance diesel engines and industrial equipment solutions serving Parker, CO and customers worldwide. Specializing in Cummins 4BT and 6BT engines along with Caterpillar 3306 models, this Colorado-based company offers new surplus motors, expert remanufacturing services, and complete machine shop capabilities for skid steers, dozers, loaders, and other heavy equipment. Every remanufactured engine comes with OEM-matched serial numbers and is backed by a comprehensive 1-year unlimited miles warranty, delivering significant cost savings compared to dealer prices. Whether you need a replacement diesel engine for industrial applications or a custom 4BT Jeep swap, Big Bear Engine Company provides quality engines with convenient worldwide shipping options.