Diameter of   Opening(in)

17 1/2

20 1/2

27 1/2

37 1/2

49 1/2

center of   table to centerline of sprocket  teech(in)

44

53 1/4

53 1/4

53 1/4

65   

Max Static   Load,ton

300

350

500

650

800

Max Speed,rpm

300

300

300

300

300

Gear Ratio

3.75

3.79

3.67

3.56

3.93

Dimention(Lx W x   H) in

78x54x22

87x56x24

94x66x27

97x71x28

116x86x32

Weight,lbs

8080

12220

13500

17570

25630