RotoSpeed Fixed-Arm Turret Machines in. 3-arm or 4-arm Configurations, 6 Stock Sizes for High-Production. In-Line Shuttles: Single & Dual Arm/Cart Machines, 7 Standard & Custom Sizes, Shot Capacities to 5,000 lbs. RotoSpeed Rocking Oven Machines are Ideal. for Molding Tall Tanks, 5 Standard Sizes. Automated Systems; Safety-Zone Scanners