Built to deliver performance in league with auxiliary gensets, extra-large-frame 98-Series 12-volt and 24-volt, extended-duty alternators produce up to 5kW. Amperages range from 310 amps at 12 volts to 220 amps at 24 volts. Dual fan design (one internal, one external) maximizes cooling. Brushless construction eliminates key wear points, increases ignition protection and delivers greater field efficiency. Brawny J-180 mount. Precision cast aluminum case, powder-coated for added protection. Alternators meet USCG Title 33, and international CE, SAE 8846 and ISO J-1171 ignition protection safety requirements. One year limited warranty.