sentences:  These modifications included stronger drive shafts, gears and wheels; additional water-carrying capacity; generally a canopy was fitted; solid flywheels and additional platework around the engine's cylinder motion.Loads hauled could be anything that could be carried in accompanying wagons, this included coal, bricks, stone, timber, grain etc.During the late 18th to early 19th century it was not uncommon for road locomotives to haul up to three fully laden wagons of 10 tons each, but as smaller steam engines became more common, the use of multiple wagons became infrequent - the use of Road Locomotives shifting to the movement of indivisible loads such as boilers, marine engine parts, railways engines or electrical equipment.