BOMAG’s smooth drum BW177DH-5 and padfoot drum BW177PDH-5 feature a dual travel pump drive system. With one travel pump dedicated to drum drive and one for the rear axle, these BOMAG single drum rollers climb up to 24% higher grades than rollers employing a single travel pump and parallel flow hydraulic system, according to the company. Built with no-spin rear differential, both the BW177DH-5 and BW177PDH-5 deliver up to 58% gradeability with vibration and 61% without.
The rollers’ elevated front frame design increases the space between the drum and frame to prevent material plugging when compacting heavy cohesive soils. Both compactors offer two vibration frequencies of 1,860/2,280 VPM (31/38 Hz) and dual amplitude to tailor compaction output to jobsite conditions. The BW177DH-5 and BW177PDH-5 deliver 25,179-lb. centrifugal force in high amplitude and 16,636-lb. in low to quickly compact up to 18-in. lifts of granular soil and up to 14-in. mixed-soil lifts. The padfoot BW177PDH-5 can quickly compact up to 8-in. thick lifts of these cohesive materials.
The Tier 4 Final Kubota turbocharged diesel engine offer 74-hp output. With BOMAG ECOMODE operation, the rollers use intelligent engine control to run the engine in the optimum range, resulting in up to 30% lower fuel consumption.
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