PREP (Pacific Rim Engineering Products) PTO Speed Increasing Gear Box, Model- EMPB 0800B ODI, S/N 33-1347, PREP ID# 11-J2456, Input 915HP @1400RPM, Out Put 3600 RPM Total Ratio 1:2.555, Removed from G3512 Cat, SAE "00" Bell Housing. Complete with filter, pump but no cooler. Call for more details.