Model 278 Transaxle 278-14 Part No. Ratio Output R.P.M.Motor R.P.M. Voltage Hp Duty Torque Motor Dia Weight Man. Rel. Brake 278-14-B4162-16.75 16.75 255 4275 24 VDC 1/2 Int. 124 in-lbs. 4" 26 lbs. 45 in-lbs. 278-14-B4162-18 18 237 4275 24 VDC 1/2 Int. 133 in-lbs. 4" 26 lbs. 45 in-lbs. 278-14-B4162-20 20 214 4275 24 VDC 1/2 Int. 147 in-lbs. 4" 26 lbs. 45 in-lbs. 278-13 Part No. Ratio Output R.P.M.Motor R.P.M. Voltage Hp Duty Torque Motor Dia Weight 278-13-B4251-16.75 16.75 96 1600 24 VDC 1/2 Int. 328 in-lbs. 4" 278-13-B4251-18 18 89 1600 24 VDC 1/2 Int. 354 in-lbs. 4" 26 lbs. 26 lbs. 278-13-B4163-16.75 16.75 96 1600 36 VDC 1/2 Int. 328 in-lbs. 4" 26 lbs. 278-13-B4163-18 18 89 1600 36 VDC 1/2 Int. 354 in-lbs. 4" 26 lbs. - Custom output shafts and ratios are available upon request. - Dimensions are for reference only, request certified prints for construction purposes.