Quincy QP-5 Compressor Pump For 3 & 5 HP Quincy QP Compressors Two-Stage. Northern Tool Item# 47248. 140.00 lb(s). The Quincy QP-5 Compressor Pump is a replacement pump for 3 & 5 HP Quincy QP compressors. This fully pressure-lubricated two-stage cast iron pump delivers smooth continuous operation. Pressurized oil flowing…