MBW Inc. R422

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Features

The 422 & 442 Rammers are ideally suited for the compaction of granular, mixed and cohesive soils in confined areas. A mainstay in contractor and municipal fleets, the 422 & 442 offer highly productive percussion rammers at less than 145 or 150 lbs. respectively. The contoured fuel tank provides the largest fuel capacity in its class and effectively baffles engine noise. Power is supplied by Honda engines. Model 442 delivers approximately 25% more compaction force and is recommended for heavy clay soils. Available with a choice of three engines...Honda GX100, Honda GX100 with oversized air filter or Honda GXR120

• Elevated bellows placement for trench applications
• Patented polyethylene slide bearings provide minimal internal wear
• 11” ductile cast iron tamping shoe
• 4” and 6” trench shoes available for the 422

Specifications

Model R422
Shoe Size 11 x 13 in (28 x 33 cm)
Engine Option Honda GX100 (145 lb/66 kg); Honda GXR120 (145 lb/66 kg); Honda GX100 w/Oversized Air Filter (149 lb/68 kg)
Travel Speed Up to 55 ft/min (16 m/min)
Compaction Depth* Up to 18 in (45 cm)
Compaction Area 2520 sq ft/hr (234 cu m/hr)

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