Is it 3,200PSI on both A & B ports?
https://www.vevor.com/hydraulic-power-unit-c_10089/vevor-hydraulic-pump-15-quart-hydraulic-power-unit-double-acting-dump-trailer-pump-0-91-gpm-flow-rate-3200-psi-max-relief-pressure-dc-12v-hydraulic-pump-for-dump-trailer-car-lifting-p_010431593783