Powerful electrical motor U5MK8259 using the latest technologies to crank and start the diesel engine. Built to withstand cold, heat, and harsh conditions to ensure all year round starting, even in cold conditions. Designed specifically to meet the needs of the power, size, cylinders, speed, and performance of your engine. Extensively tested to maximize operating life and ensure durability; 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 maximum performance and long life. Strong springs and brushes for longer life to eliminate excessive arcing and brush bouncing. High performance seals to ensure water and oil tight for longer life.