R422

The R422 Rammer ideally suited for the compaction of granular, mixed and cohesive soils in confined areas. A mainstay in contractor and municipal fleets, the R422 offers a highly productive percussion rammer at 145 lbs. The contoured fuel tank provides the largest fuel capacity in its class and effectively baffles engine noise. Power is supplied by Honda GX100 engine. 

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

US & International Patents

5 YEAR WARRANTY ON BELLOWS AND PERCUSSION SYSTEM BEARINGS
Endurance testing of the new design exceeded even MBW's expectations. As a result, MBW gas powered rammers now provide a 5 YEAR WARRANTY on percussion system slide bearings and bellows.

LIMITED WARRANTY. Some restrictions may apply.

Contact Us Now
View our Dealer Locator Map to learn more.
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 3025 sq ft/hr (281 sq m/hr)
Percussion Rate Up to 720 blows/min
( ) Metric Measurements.
​Specifications subject to change without notice.