Compare Advance HCA 138 Advance HCT 1100 Read more Remove Read more Remove Ratios (i) 1.095 1.28 1.5 2.03 2.48 3.0 (kw/rpm) 0.11 0.098 Ratios (i) 4.90 5.60 5.98 6.39 6.85 7.35 7.90 (kw/rpm) 0.846 0.835 0.772 0.736