Fellows 6A vertical gear shaping machine Model 615A Machine specifications are as follows: * Max pitch diameter (External)................................18" * Max pitch diameter (Internal)................................18" * Max face width, external & internal..........................5" * Max diametrical pitch spur...................................4 DP * Max diametrical pitch helical................................6 DP * Bore through work spindle....................................3-7/8" * Max clearance height.........................................13" * Cutter spindle diameter......................................2.875" * Max helix angle with proper guide............................30 deg * Stroking speeds..............................................50-300 SPM * Dimensions (L x H x W)..................................63" x 82" x 48" * Machine net weight, approx....................................6,800 lbs