... .18-160 (kw)5,output torque :85-18000(N.m)6,series :2-37,transmission ratio:≥3.838,model no.:R ... iron box, gear surface rigidity by high-frequency heat treatment;6, precision machined, ensure shaft parallelism and positioning bearing requirements, form ... .58.510182536631011532204000700structural drawing Install form RF series helical gearbox with inline motor