The AL2000DZ provides powerful DC performance in a compact easy to handle unit. The rugged 28.5 volt DC GPU features the reliable Perkins 404D-22 Diesel Industrial engine couple with two highly efficient Prestolite brushless alternators that deliver 400 Amps continuous @ 28.5 VDC (400+ amps actual) 1800+ starting amps. Maximum performance and reliability on today's busiest flight line.