 Aeroservicios USA Inventory - Ground Power Units - 28.5 VDC- Tronair28.5 VDC- TronairGround Power Units - 28.5 VDC- TronairYard Redland 5942 AA16110211 Tronair 11-6613-9010 28.5 VDC Kohler OHC 16 2002 Operational Yes 