NorTrac Double-Acting Dump Trailer Power Unit - 12 Volt, Model# YBZ5-F2.1B1A61/WUUTT2 Highly reliable 2 HP power unit &#160;Electric pendant control for easy operation Built-in manual override on the solenoid valve allows manual lowering in case of a power outage Built tough for long life 3,000 max. RPM/2,900 max. PSI