Foremost has been manufacturing hydraulic rotating equipment since the early 1970’s. Our designs have continually evolved in response to industry demand beginning with the seismic, mining, and waterwell industries through to the oil and gas industry. Since their introduction, top drive drilling systems have greatly improved drilling efficiency and operator safety.
Foremost designs and manufactures hydraulic and A/C top drives for a variety of applications. The Foremost series of top drives are compact, rugged and 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 drive system with a variety of options to improve productivity and enhance operator safety.

F - 100T - Top Drive The F-100T is a compact, rugged and powerful top drive with a 100-ton capacity - ideal for rigs operating in shallow oil and gas environments. Adaptable to most single and telescoping mast designs, the F-100T is available as a power swivel or complete top drive system, with a variety of options to enhance operator safety and productivity.
General Specifications |
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| 100 Ton | 150 Ton | 300 Ton | |
| Rated Capacity (at quill static) |
100 ton | 150 ton | 300 ton |
| Rated Capacity (at elevators static) | 100 ton | 150 ton | 300 ton |
| Pull Down Capacity @ 50 RPM |
25 ton | 25 ton | 20 ton |
| API Bearing Rating (3,00 hrs @ 100 RPM) | 66 ton | 150 ton | 300 ton |
| Weight (approx.) | 10,000 lbs | 10,500 lbs | 15,000 lbs |
| Peak Torque at Stall (breakout) | 25,860 lbs | 25,860 ft.lbs | 34,480 ft.lbs |
| *Maximum Drill Torque | 23,000 lbs | 23,000 ft.lbs | 31,035 ft.lbs |
| *Maximum Speed | 200 RPM | 200 RPM | 220 RPM |
| Gooseneck Connection | 3" Fig 1502 | 3" Fig 1502 | 3" Fig 1502 |
| Maximum Circulating Pressure | 5,000 PSI | 5,000 PSI | 5,000 PSI |
| Quill Connection @ Gearbox | 6 5/8" API Reg | 6 5/8" API Reg | 6 5/8" API Reg |
| Quill ID (optional 4” - 101.6 mm) | 3" | 3" | 3" |