AMMCO Brake Lathe Model 4000B Combination Disc and Drum The AMMCO® Model 4000B Combination Disc and Drum Brake. Two adjustable spindle speeds (if desired) allow for fast turning of small pieces and high-quality turning of larger pieces. Two feed rates allow for quick rough-cut and finer finish-cut settings. Forged alloy steel arbor – Two tapered mounting surfaces add stability and handle up to 200 pounds. Feed slide protection keeps travel surfaces free of dirt and chips. Negative rake tool bits standard, provide lower cost of ownership. Solid twin cutter tool simultaneously resurfaces both sides of rotor. Full-drum support hex boring bar guarantees correct tool angle for drums. Infinitely variable drum feed from 0.002 inches to 0.02 inches per revolution. Quick drum-to-rotor changeover. User-friendly ergonomics. Supports drums or rotors up to 100 pounds using the standard 1-inch (25.4 mm) arbor, or up to 200 pounds using the optional 1.875-inch (47.63 mm) arbor. Micrometer-precise depth-of-cut dials embossed in metal and calibrated in both thousandths of an inch and tenths of a millimeter; easy reset to zero. Extended spindle increases drum capacity to 9.875 inches. Support drums or rotors up to 100 pounds using the standard 1-inch (25.4 mm) arbor, or up to 200 pounds using the optional 1.875-inch (47.63 mm) arbor. “D” Kit: Basic kit shipped if no other kit is purchased. (900004). (Bench included)