This generator listing includes a variety of optional add-ons that can be included with a generator purchase. These options range from custom instrument panels to sound insulation blankets and spare parts kits. Customers can choose to add features like a stainless steel drip pan, a BALMAR high output alternator, or custom chrome packages. Additionally, the specifications for the generator itself are listed, including details like the number of cylinders, cubic inch displacement, and weight. The generator has a maximum output of 12,500 watts and uses a Kubota Model V1505-BGE engine.