OTC's Cummins Engine Turning Tool makes easy work of manually rotating an 855 cubic inch Cummins diesel engine. This simple, yet essential tool is vital for bringing pistons to top dead center when adjusting fuel injector timing. Twin knurled pins provide a secure grip. High-grade materials ensure quality performance over the lifetime of the tool. Value is at the core of the OTC tool and equipment portfolio. Whether it’s a simple repair or the most complex drivability concern, these award-winning tools universally solve problems faster, and at better value, than any other product line available. Whether it’s a specialty tool or unique piece of service equipment, OTC provides top solutions to modern automotive service challenges while increasing technicians’ productivity and shop profits.