271MAAJP-B5XK 8223 Specs Model 271 Special Mounting w/Plate, 18/53 Gear Ratio, Input Allison MT, Ct, At, HT, CLT, CLBT series, Pressure Lube, Shift Option 12 Volt Hydraulic Valve, Assembly Arrangement 5, Output Option S.A.E "B" 2 or 4 Bolt 7/8" - 13T