High performance, compact, lightweight design used by some of the largest fleets in North America. DENSO's Heavy Duty Truck Program offers brand new units. The R5.0 Starter weighs 23.8 lbs, with low-amperage draw. The Brushless Alternator weighs 22.9 lbs with high output at low RPM. Starter/Alternator warranty is 3 years/350,000 miles.