description r442 150 lb. rammer w/gx100 honda engine the mbw r442 rammer series is ideally suited for the compaction of granular, mixed and cohesive soils in confined areas. the r442 are highly productive percussion rammers at less than 155 lbs. respectively. the contoured fuel tank provides the largest fuel capacity in its class and effectively baffles engine noise. the r442 is available with an oversized air filter. the r442 delivers approximately 25% more compaction force and is recommended for heaver clay soils. the 442h12 are recommended for altitude above 4000 ft. power is supplied by either the honda gx100 or gx120 engines. california proposition 65 warning. features honda gx100 engine shoe size: 11 x 13 in. operating weight: 147 lbs. 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 442h assembled weight (lbs) 150 california proposition 65 warning required yes country of origin united states globaltradeitemnumber (gtin) 00400420000572 manufacturer warranty 5 years on bellows & percussion system bearings package weight 151 package weight (lbs) 151 shipping weight (lbs) 155 upc 400420000572