Racine Railroad Gas Powered 1” Impact Wrench | eBay
GW12 Gas Impact Wrench from Trak-Star
52CC Piling Fence, 2 Stroke T Post Driver Gas-Powered Push Pile, Pile Hammer with Air Cooling Gasoline Engine for Farm Garden Agriculture, Single Cylinder, 1300-3000BPM Impact Frequency - Amazon.com
Gas-powered impact wrench for railroad work - videos, photos - HomemadeTools.net
RustyVioum 32.7CC 2-Stroke Demolition Jack Hammer, 3 in 1 Gas Powered Demolition Jack Hammer Driller, 30J Impact Energ Concrete Breaker, Black - Amazon.com