Compare Advance HC 400 Advance HC 038 A Read more Remove Read more Remove Ratios (i) 1.50 1.77 2.04 2.50 3.0 3.42 4.06 4.61 4.94 (kw/rpm) 0.331 0.279 0.19 Ratios (i) 1.51 2.03 2.52 2.92 3.45 (kw/rpm) 0.028 0.025 0.02