Quincy QP heavy-duty pressure lubricated reciprocating air compressors are designed for tougher applications where traditional splash lubricated compressors just are not enough. They are built for efficiency and lower operating costs, producing more compressed air at a lower horsepower. They run at a slower RPM, run cooler and cost less to operate. QP pump delivers up to 15% longer life than splash lubricated pumps. Heavy-duty compressors are engineered for industrial applications and boast a best-in-the-industry 50,000-hour pump life rating. One-year limited warranty without warranty kit purchase. Purchase a warranty kit (Item# 42637) and it will double the package warranty to 2 years and triple the pump warranty to 3 years (on-site parts and labor included).Call a sales representative to order maintenance kit. U.S.A.