TOP DRIVE

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Foremost has been manufacturing hydraulic rotating equipment since the early 1970’s. Our designs have continually evolved in response to industry demand beginning with seismic, mining and water well industries through to the oil and gas industry. Since their introduction, Foremost top drive systems have greatly improved drilling efficiency and operator safety.

Foremost designs and manufactures hydraulic and A/C top drives for a variety of applications. Foremost top drives are compact, rugged, powerful and are well suited for a variety of rig designs. Adaptable to most single and telescoping mast designs, Foremost top drives are available as a basic power swivel or complete top drivesystem.

 
 

specifications

Rated Capacity 100 ton 150 ton 300 ton
Pulldown Capacity @ 50 rpm 25 ton 25 ton 20 ton
API Bearing Rating 66 ton 150 ton 300 ton
Weight 10,000 lbs 10,500 lbs 15,000 lbs
Peak Torque at Stall 25,860 ft/lbs 25,860 ft/lbs 34,480 ft/lbs
Max. Drill Torque 23,000 ft/lbs 23,000 ft/lbs 31,025 ft/lbs
Max Speed 200 rpm 200 rpm 220 rpm
Gooseneck Connection 3” 3” 3”
Max. Circulating Pressure 5,000 psi 5,000 psi 5,000 psi
Quill Connection at Gearbox 6 5/8” API Reg 6 5/8” API Reg 6 5/8” API Reg
Quill ID* 3” 3” 3”