Powerful electrical motor U5MK8261 using the latest technologies to crank and start the diesel engine. Built to withstand harsh, heat and cold conditions to ensure all year round starting, even in cold conditions. Designed specifically to meet the needs of the speed, power, size, cylinders, and performance of your engine. Extensively tested to ensure durability and maximize operating life; our starter motors are tested to ensure they will start your engine a minimum of 36,000 times (the equivalent of four times a working day for 34 years). High-quality armature, bushings, and bearings to ensure long life and maximum performance. Strong brushes and springs for longer life to eliminate brush bouncing and excessive arcing. High performance seals to ensure water and oil tight for longer life.