Barber colman horizontal gear hobber w/ extended arm for longer shafts Model 16-56 Ext s/n 4284 Excellent aerospace machine This machine was factory extended with a 48" arm extension to hold larger shafts. This machine was designed for the cutting of large shafts in the Horizontal position. It's Very similar in design and mfg to the smaller 16-16 & 16-36 models. Usually all tooling should be interchangeable. Machine Specifications are as follows * Max work diameter.......................................16" * Max DP in steel..........................................6 DP * Max hob length...........................................5" * Max hob diameter.........................................5" * Max travel of hob carriage...............................56" ** Max Distance between centers............................102" * Max swivel angle setting................................45° Left or Right * Max distance work spindle face to tailstock center........102" * Max hob speed.............................................75 - 425 rpm * Max hob shift travel......................................3.5" * Index worm gear diameter..................................12.7" * Number of teeth............................................5 - 300 WORK SPINDLE: * Overall diameter............................................7.125" * Bore diameter...............................................4.1875" * Bolt circle diameter........................................6.25" MOTORS: * Main drive motor...........................................7.5 HP  * Hydraulic pump.............................................1 HP * Lubrication motor..........................................1/20 HP * Rapid traverse motor........................................2 HP * Coolant pump motor..........................................½ HP * Net weight.................................................9,600 lbs STANDARD EQUIPMENT: * 48" arm extension from factory * Variable speed Drive * C-frame style * Rapid traverse * Double Thread Index Worm * Manual hob shift * Hob Arbor 1-1/4" * Misc index gears change gears * Steady rest for large shafts * Operator manual  * Electrics 220/440 volts, 3 phase, 60 cycles. Machine can be inspected under power in excellent operating condition. The machine can be inspected in customers shop for a short time only once removed removed from running service in customers shop if not sold prior will be transported to our Statesville NC warehouse to be shown under power visit our website at WWW.PiselliEnt.com for further info or to set up an under power inspection. Machine can be inspected in present customers plant before removal !!!