an models feature a meehanite base casting with turcite coated double v slideways. also featured is the hydrostatic babbitt type spindle bearing, a hydraulic dresser on both wheels, and a pressurized, filtered, recirculat......an models feature a meehanite base casting with turcite coated double v slideways. also featured is the hydrostatic babbitt type spindle bearing, a hydraulic dresser on both wheels, and a pressurized, filtered, recirculating oil system with a heat exchanger for long lasting operation and greater precision.