PUMP HOTSY HS4040G3, 4.0 @ 4000, 3400 RPM Pacific Bay Equipment Sale! from $704.00 Qty. Add to Cart This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. Hotsy HS.3 Series: Direct Drive 4.0 GPM 4000 PSI 15.4 HP 3400 RPM 1" shaft