A true short-radius excavator, the 55SRx works like a larger machine in a footprint close to zero-tail-swing models. Featuring a large boom and arm for a wider operating range, it delivers 11,240 lbs./ft. of bucket digging force. Other features include a 39-hp engine, operating weight of 12,295 lbs., and a dig depth of 12 ft. 10 in. With its compact size and a cab height of 8 ft. 4 in., the machine is easy to transport between jobsites. Kobelco Construction Machinery America. 888-562-5201. www.kobelcoamerica.com