(1)New product design (2)Customer's design is welcome (3)Competetive price (4)Small ... Modle17D45F1Speed ratiohigh gear:I1:7.312,I2:4.311,I3:2.450,I4:1.534,I5:1.000,IR:7.661 ... :I1:12.825,I2:7.561,I3:4.297,I4:2.690,I5:1.754,IR:13.437 Rear axleModel/Main ...