1. Fully weather resistant for outdoor service. 2. O-ring sealed and permanently lubricated. 3. High strength cast iron enclosure. 4. Accepts stem projection in standard NPT pipe sizes. 5. Comprehensive product line for torque capability. Unit type: 107b Approximate weight in lbs w/o wheel: 46 Maximum output torque ft.lbs. : 1000 Unit ratio: 2.92:1 Maximum stem diameter w/stem protector w/o stem protector: 2.625 2.625 Predrilled mounting patterns mss sp- 102 traditional: FA25 (8) 5/8- 11 UNC- 2B on a 10" b.c. (4) 1/2- 13 UNC- 2B on a 7-5/8" b.c. Unit type: 207b Approximate weight in lbs w/o wheel: 72 Maximum output torque ft.lbs. 2000 Unit ratio: 4.07:1 Maximum stem diameter w/stem protector w/o stem protector: 3.950 4.125 Predrilled mounting patterns mss sp- 102 traditional: FA30 (8) 3/4- 10 UNC- 2B on a 11-3/4" b.c (8) 1/2- 13 UNC- 2B on a 7-5/8" b.c Unit type: 307b Approximate weight in lbs w/o wheel: 175 Maximum output torque ft.lbs. : 4000 Unit ratio: 6:1 Maximum stem diameter w/stem protector w/o stem protector: 3.950 4.125 Predrilled mounting patterns mss sp- 102 traditional: FA35 (8) 1- 8 UNC- 2B on a 14" b.c. 8) 1/2- 13 UNC- 2B on a 7-5/8" b.c.