D3 Series Ratings – 1750 Input RPM

Overhung load; output shaft=400lbs

Ratio Primary Secondary Input HP Output HP Output Torque Output RPM
50 5 10 .79 .61 1100 35
75 5 15 .59 .41 1100 23.3
100 10 10 .45 .31 1100 17.5
150 10 15 .36 .22 1200 11.7
200 10 20 .28 .17 1200 8.8
250 25 10 .23 .13 1200 7
300 10 30 .23 .11 1200 5.8
400 20 20 .16 .08 1200 4.4
500 25 20 .15 .07 1200 3.5
600 20 30 .15 .06 1200 2.9
800 20 40 .11 .04 1200 2.2
1000 25 40 .09 .03 1100 1.8
1250 25 50 .06 .02 900 1.4

D3 Series Ratings – 1150 Input RPM

Overhung load; output shaft=400lbs

Ratio Primary Secondary Input HP Output HP Output Torque Output RPM
50 5 10 .54 .40 1100 23
75 5 15 .41 .28 1100 15.3
100 10 10 .31 .20 1100 11.5
150 10 15 .26 .15 1200 7.7
200 10 20 .20 .11 1200 5.8
250 25 10 .18 .09 1200 4.6
300 10 30 .16 .07 1200 3.8
400 20 20 .13 .06 1200 2.9
500 25 20 .10 .04 1200 2.3
600 20 30 .11 .04 1200 1.9
800 20 40 .09 .03 1200 1.4
1000 25 40 .06 .02 1100 1.2
1250 25 50 .03 .01 900 .92

D3 Series Ratings – 870 Input RPM

Overhung load; output shaft=400lbs

Ratio Primary Secondary Input HP Output HP Output Torque Output RPM
50 5 10 .41 .30 1100 17.4
75 5 15 .31 .20 1100 11.6
100 10 10 .24 .15 1100 8.7
150 10 15 .20 .11 1200 5.8
200 10 20 .15 .08 1200 4.4
250 25 10 .14 .07 1200 3.5
300 10 30 .14 .06 1200 2.9
400 20 20 .09 .04 1200 2.2
500 25 20 .08 .03 1200 1.7
600 20 30 .09 .03 1200 1.5
800 20 40 .07 .02 1200 1.1
1000 25 40 .07 .02 1100 .87
1250 25 50 .03 .01 900 .70

D3 Series Ratings – 690 Input RPM

Overhung load; output shaft=400lbs

Ratio Primary Secondary Input HP Output HP Output Torque Output RPM
50 5 10 .34 .24 1100 13.8
75 5 15 .26 .16 1100 9.2
100 10 10 .19 .12 1100 6.9
150 10 15 .17 .09 1200 4.6
200 10 20 .14 .07 1200 3.5
250 25 10 .11 .05 1200 2.8
300 10 30 .10 .04 1200 2.3
400 20 20 .07 .03 1200 1.7
500 25 20 .07 .03 1200 1.4
600 20 30 .06 .02 1200 1.2
800 20 40 .05 .02 1200 .86
1000 25 40 .04 .01 1100 .99
1250 25 50 .03 .008 900 .55

D3 Series Ratings – 300 Input RPM

Overhung load; output shaft=400lbs

Ratio Primary Secondary Input HP Output HP Output Torque Output RPM
50 5 10 .15 .10 1100 6
75 5 15 .12 .07 1100 4
100 10 10 .09 .05 1100 3
150 10 15 .08 .04 1200 2
200 10 20 .07 .03 1200 1.5
250 25 10 .05 .02 1200 1.2
300 10 30 .06 .02 1200 1.0
400 20 20 .03 .01 1200 .75
500 25 20 .03 .01 1200 .60
600 20 30 .04 .01 1200 .50
800 20 40 .03 .007 1200 .38
1000 25 40 .02 .005 1100 .30
1250 25 50 .01 .003 900 .24

D3 Series Ratings – 100 Input RPM

Overhung load; output shaft=400lbs

Ratio Primary Secondary Input HP Output HP Output Torque Output RPM
50 5 10 .05 .03 1100 2
75 5 15 .04 .02 1100 1.3
100 10 10 .04 .02 1100 1.0
150 10 15 .02 .01 1200 .67
200 10 20 .03 .01 1200 .50
250 25 10 .02 .008 1200 .40
300 10 30 .02 .006 1200 .33
400 20 20 .02 .005 1200 .25
500 25 20 .01 .004 1200 .20
600 20 30 .01 .003 1200 .17
800 20 40 .01 .002 1200 .13
1000 25 40 .01 .002 1100 .10
1250 25 50 .005 .001 900 .08