This was a PG&E tool that was decommissioned and sold off due to age
It was still was working fine when decommissioned and has not been used since then
This is for cutting large diameter pipe or poles inside of a tight trench
cuts up to 18" in diameter pipe
The saw is lowered over the pipe in the trench and chain vised onto the material to be cut
then it saws its way thru in a reciprocating fashion with short, hydraulic powered strokes thru the material
comes with extra blades, about 5 of them
comes with custom hand truck for moving and storing
These saws cost around $10k new
call if interested