Abstract: A fluid distribution unit includes a first upstream frac pipe configured to receive a frac fluid and to distribute the frac fluid to a plurality of pump units at a first pressure. The fluid distribution unit also includes a downstream frac pipe configured to receive the frac fluid from the pump units at a second pressure that is greater than the first pressure. The frac fluid at the second pressure is directed into a wellbore. The fluid distribution unit also includes a natural gas pipe configured to receive natural gas from a gas source and to distribute the natural gas to the pump units. The fluid distribution unit also includes a diesel pipe configured to receive diesel from a diesel source and to distribute the diesel to the pump units.