RA-4 Series Ratings – 1750 Input RPM

Overhung load; output shaft=800lbs

Ratio Input HP Output HP Output Torque Output RPM
1 4300 40.85 1471 1750
2 31.00 29.45 2121 875
3 26.60 25.27 2730 583.3

RA-4 Series Ratings – 1150 Input RPM

Overhung load; output shaft=800lbs

Ratio Input HP Output HP Output Torque Output RPM
1 31.70 30.11 1642 1150
2 25.00 23.75 2589 575
3 20.00 19.00 3107 383.3

RA-4 Series Ratings – 870 Input RPM

Overhung load; output shaft=800lbs

Ratio Input HP Output HP Output Torque Output RPM
1 25.30 24.03 1722 870
2 20.80 19.76 2833 435
3 16.60 15.77 3391 290

RA-4 Series Ratings – 690 Input RPM

Overhung load; output shaft=800lbs

Ratio Input HP Output HP Output Torque Output RPM
1 21.50 20.42 1838 690
2 18.20 17.29 3112 345
3 13.70 13.02 3501 230

RA-4 Series Ratings – 300 Input RPM

Overhung load; output shaft=800lbs

Ratio Input HP Output HP Output Torque Output RPM
1 10.50 9.97 2055 300
2 8.57 8.15 3350 150
3 6.81 6.47 3998 100

RA-4 Series Ratings – 100 Input RPM

Overhung load; output shaft=800lbs

Ratio Input HP Output HP Output Torque Output RPM
1 3.83 3.64 2235 100
2 3.08 2.93 3591 50
3 2.57 2.44 4489 33.3