Replacement Parts Free shipping to continental US when total order is $100+ Wheels Precision balanced. Used on all Spinball and Rawlings Pro Line pitching machines. $299, free shipping. Motors The same motor is used on all standard machines, but 3 wheel versions have a longer cord. Not for use on iPitch. $349, free shipping. Machine: 2 Wheel 3 Wheel Upgrade Kits Convert single use machines into combination versions. Choose the function you are adding, not what you already have. Prices include shipping. Item: 3W Baseball Kit $250.00 USD 3W Softball Kit $250.00 USD 3W XL Kit $350.00 USD 2W Baseball Kit $150.00 USD 2W Softball Kit $150.00 USD 2W ARP Kit $250.00 USD Ball Feed Tube for Two Wheel Machines Replace a broken or missing part, or use as a partial upgrade kit. Free shipping. Machine: 2W Baseball $39.00 USD 2W Softball $39.00 USD