Compare Advance HCT 600 A/1 Advance HC 600A Read more Remove Read more Remove Ratios (i) 7.69 8.23 8.82 9.47 10.10 10.80 11.65 12.57 14.44 15.91 (kw/rpm) 0.441 0.412 0.400 0.375 0.353 0.331 0.257 0.204 Ratios (i) 2.0 2.48 3.0 3.58 3.89 (kw/rpm) 0.48 0.44 0.40 0.44 0.40 0.36