Available accessories (A,B).The ECV2512FPTOU-3 is much like the ECV2510FPTOU-3 and is ideal for mounting under fire trucks. This 120/240 volt generator offers 25kW surge power and requires an input speed of 1181 RPM. Providing 83 continuous amps of power the ECV2512FPTOU-3 is what every fire truck needs.