alternative to expensive 6T-AGM batteries! NSN: 6160-01-453-0858 The 6T Adapter tray raises the Optima battery to the same height as the military 6T type batteries. It also duplicates... the "foot print" of the 6T size battery to help with spacing for battery boxes and brackets. For use with all Optima group size 34 battery models. Dimensions: 10.5" long 10.0" wide... 1.91" Height Weight: 0.0875 lbs. In cranking applications such as non-tactical vehicles and equipment such as generators, the OPTIMA can be used successfully in place of the larger 6T...