An old inactive Menck M 260 of the Schleith GmbH company from Waldshut (DE).
The Menck M 260 was the succesor of the M 251 and was built between 1966 and 1973. Totally 33 pieces of the M 260 were sold.
The crane weights about 90 tonnes and was deliverably with a lattice jib or an excavator boom.
Powered is he by a 12 cylinder Deutz engine with 230 hp. The tracks are mechanical driven.
As lifting crane are Mencks not often used, mostly as a dragline with bucket of with a grab. The max. bucket size was 3.5 kubic meters or a 2.2 kubic meter grab.
The full counterweight weights 14 tonnes and is making a 3.8 meter tailswing.
A detail of the big rope pulley in the boom foot, wherewith the pull cable from the drum is leaded to the bucket.