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Little Beaver reduction gearbox for improved torque

November 14, 2017  By Administrator

Nov. 14, 2017 – Little Beaver recently introduced a planetary reduction gearbox for its Big Beaver and Big Beaver XL drills.

The optional gearbox provides as much as 1,100 foot-pounds of torque to drill deeper and handle large diameter augers more efficiently than the standard setup, the company said in a press release. The reduction gearbox is available with new Big Beaver models and can also be purchased as an upgrade for existing models.

A 27-horsepower Kohler EFI gas engine powers the auxiliary hydraulic source, which operates at 12.5 gpm and a rotary speed of 100 rpm. The standard Big Beaver operates at 10 gpm with a rotary speed of 150 rpm. The additional horsepower and slower auger speed increases max drilling torque from 500 to 1,100 foot-pounds and improves the drill’s overall capabilities.


Constructed with a welded mechanical steel frame, both models are rugged, durable and suited to such applications as soil sampling, foundation repair and environmental test wells. The portable, easily manoeuvrable design allows access to remote locations inaccessible to truck-mounted units.

The Big Beaver can be paired with special tools and accessories to manage various drilling tasks. An optional Cathead Kit, which includes a tower kit, third hydraulic valve and spool, makes soil sampling and performing standard penetration tests fast, convenient and economical. The kit’s optional Split Spoon Sampler allows for undisturbed core samples. The accessory can be safely and securely driven into the ground using Little Beaver’s optional 140-pound safety hammer.

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