description r422h12 honda gx120 141 lb. 11 x 13 in. rammer the mbw r422 rammer series is ideally suited for the compaction of granular, mixed and cohesive soils in confined areas. the r422 model are highly productive percussion rammers at less than 150 lbs. respectively. the contoured fuel tank provides the largest fuel capacity in its class and effectively baffles engine noise. the r422 is available with an oversized air filter. the 422h12 is recommended for altitude above 4000 ft.. power is supplied by either the honda gx100 or gx120 engines. california proposition 65 warning. features honda gx120 engine recommended for altitude above 4000 ft. shoe size: 11 x 13 in. compaction depth: up to 18 in. 4 in. and 6 in. trench shoes available elevated bellows placement for trench applications polyethylene slide bearings provide minimal internal wear specifications acme tools brand name mbw acme tools part number 422hl assembled weight (lbs) 149 california proposition 65 warning required yes country of origin united states globaltradeitemnumber (gtin) 00400220000529 manufacturer warranty 5 years on bellows & percussion system bearings package weight 150 package weight (lbs) 150 shipping weight (lbs) 145 upc 400220000529