This is a cast pewter kit, with strip wood included for skid. This engine was a common site in rural America from the 1890’s through the 1950’s and some are still in use today. An alternative to steam power they were used to operate saw mills, and on farms for everything from pumping water to bailing hay. They were used everywhere power was needed until electricity became available.
Photo shows model unpainted and painted.
Flywheel is 7/8″. Footprint is 2-1/4″ in Length, and 1-1/4″ Wide.
O scale application. Review the size to determine if it will meet your requirements