Four-cycle engines improve rammer performance

With their four-cycle Honda engines there is no need to pre-mix the fuel and oil for Stone’s three new Stomper rammers, the XH670, XH730 and XH840, and the units can be laid on their side for easier transport. Weights for the three models range from 132 pounds to 145 pounds and impact forces go from 2,650 pounds to 3,500 pounds. Extra thick, cushioned handgrips reduce vibration and a see-through polyethylene tank lets you know at a glance how much fuel you have left.

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