Super 1200 Self-powered independent diesel engine driven truck refrigeration unit with Perkins 403D-11 engine and Bock FK40/560TK 554cc compressor can be applied for 35~50m³ refrigerated truck bodies box with DC12V and electric standby power AC380V,three phase system ,it is bigger cooling capacity than Supra 1050 and Thermo king T-1200R diesel truck reefer units .