The B-series features engine bores machined directly into the block (rather than the wet liners used on earlier Cummins engines). It was also set apart by the use of a shallow one-piece head, requiring closer tolerances than in other Cummins products.
The fifth frontier war, also known as the War of Nxele, initially developed from a 1817 judgment by the Cape Colony government about stolen cattle and their restitution by the Xhosa.n the Xhosa side, the Ngqika (known to the Europeans as the Gaika) were the chief tribe engaged in the war, assisted by portions of the Ndlambe, and the Thembu. The Xhosa forces were over ten times greater in number, and had by this time replaced their traditional weapons with modern firearms.
Dunmore's War was a conflict between the Colony of Virginia and the Native Americans of the Ohio Valley. Following increased raids and attacks on frontiersmen in this region, the Royal Governor of Virginia, Lord Dunmore, organized a large force of militia and marched to Fort Pitt arriving at the end of August 1774.