Pavement core drilling machine 12,5HP 4-stroke petrol engine activated by a petrol engine 12,5 HP power 4-stroke Briggs & Stratton model.
....This rugged, compact and por table machine with vertical screw feed, is used for pavement core sampling where it is not easy to get electrical power.
Petrol engine 5 HP power, 4-cycle Briggs & Stratton model.