Reishauer Thread and Worm Grinder model UL 900 s/n 54940-3 This thread grinding machine is one of the finest machines built. It is presently set up utilizing a crush roll dressers. lots of Misc tooling, steadies and rolls for additional work. machine specs are as follows Max grinding length 35.5" Max distance between centers 46.75" possible displacement of workhead to the left 8.25" takes between centers with work head displaced 55" smallest workpiece diameter 3/8" greatest workpiece diameter 9.75" greatest workpiece weight 110 lbs smallest pitch when using single ribbed wheels 80 TPI - multi ribbed wheels 48 TPI Largest pitch when using single-ribbed wheels 4" - multi ribbed wheels 4 TPI greatest helix angle left and right hand 40 degrees greatest grinding wheel diameter 13.75" smallest grinding wheel diameter 10.75" width of multi-ribbed whels for plunge grinding 3/4", 1-3/16", 1-5/8" width of multi-ribbed wheels for longitudinal grinding 5/16", 1/2", 5/8", 3/4", 1", 1-3/16" Grinding wheel speeds when grinding 30 ++ 45 m/s when profiling w/ diamond cutter 30 + 45 m/s when profiling with crushing roll 70 min Auto wheel withdrawal 0/.08/.8" number of work speeds 27 Speed range 0.4-160 RPM bore through work spindle 2.599" relief is steplessly variable adjusted between .0012-.32 number of flutes 1-10, 12,14,16 Machine is equipped with the following plunge type dressers machine steadies tailstock grinding wheels & Flanges misc tooling and workholding full books and manuals excellent care taken of the machine over the years note coolant tank and filtration system is not available with this machine it is coming off a small central system . Contact us for more information or to set up a quick inspection before removal from plant. contact us at www.pisellient.com or Rich Piselli at Rich@piselliEnr.com thank you