Yanmar Excavators

Yanmar VIO55-5 with High Speed High Rail Guidance System for Track Maintenance
Yanmar has been manufacturing construction equipment, including excavators, in Japan since 1966 and now, has assembly plants also in France and the USA.

VIO Series: The "VIO" name means True Zero Swing. In 1993, Yanmar launched the world's first Zero Tail Swing excavator and is currently marketing the fifth generation model. 

These units turn within the width of the machine whilst still maintaining the stability and work performance of a conventional style unit and offer 7 models from the VIO17 to the VIO80 of 1,740kg to 8,225 kg respectively.

SV Series: The SV means "Ultra-Tight Turning" and Yanmar offers two models with the smallest the SV08-1A of 1,065kg and the largest SV100-1 of 9,775kg. 
Model Description Files
Zero Swing Series
VIO17 Operating Weight PR 1,740 kg Brochure ( 3 MB PDF )
VIO20-3 Operating Weight PR 2,230 kg Brochure ( 4.37 MB PDF )
VIO27-5B Operating Weight PR 3,150 kg, CR 3,280 kg Brochure ( 2.33 MB PDF )
VIO35-5B Operating Weight PR 3,700 kg, CR 3,830 kg Brochure ( 2.33 MB PDF )
VIO45-5B Operating Weight PR 4,660 kg, CR 4,790 kg Brochure ( 4.51 MB PDF )
VIO55_5B Operating Weight PR 5,230 kg, CR 5,360 kg Brochure ( 4.51 MB PDF )
VIO80 Operating Weight PR 8,285 kg, CR 8,225 kg Brochure ( 3.45 MB PDF )
Minimum Swing Radius Series
SV08-1A Operating Weight 1,065 kg Brochure ( 2.13 MB PDF )
SV100-1 Operating Weight C 9,825 kg, CR 9,775 kg Brochure ( 2.6 MB PDF )