Mar 31, 2008 · The manure and litter chain conveyors from Adams Fertilizer Equipment have a standard length of 32’ and overall length of 38’. Minimum hopper height is 68” (sides, 45 degree pitch), with hopper width of 120”. Tow height is 12’ 6”. The conveyors have PTO drive, with gas or electric drive optional. The pintle chain on the conveyors