28 Volt TR for your Hobart AC generator, Jetall GPU JTL28TR NEW TR unit, 30 kva capacity, will fit on any Hobart or Hollingsworth AC Generator. JTL28TR specs: 28.5 VDC, 1000 amps continues, 2200 amp peak starting current capacity, 300 to 2000 amps current limiting adjustment. Self contained, weather proofed. Kit is shipped to you. For quote contact North East Aviation.