For applications whereas less horsepower is required, NB series completes the full range of mud pumps. Ranging from (200HP) to 1000HP diesel or electric AC-DC powered, it is of the same robust, durable and compact build as the F-series. Flexibility is also designed into this series with double-input shaft extensions to be driven from either side. 5NB series is of single acting horizontal reciprocating quintuplex design.

This series are designed to meet with API 674 / SY5138 latest edition.

All the mud pumps can be mounted on an oilfield skid or trailerized in order to favour fast moves.