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Vermeer introduces trio of maxi-size drill rigs

Posted: Thursday 18th December 2008

Drill based on proven and reliable design platform.

Vermeer Corporation has expanded its complete line of NAVIGATOR® horizontal directional drills with the introduction of three maxi-sized drill rigs, D500x500, D750x900 and D1000x900, designed specifically for large diameter pipe installations.

The drill platform is built upon the proven and reliable Horizontal Rig & Equipment (HRE) design, acquired earlier this year by Vermeer.

The three drills feature pullback forces of 500,000 pounds (225,000 kg), 750,000 pounds (337,500 kg) and 1,000,000 pounds (450,000 kg). To allow the contractor to focus on performance, the drills feature a simple, proven design that eliminates the number of drive components, including high-speed motors and reduction gearboxes.

High-torque, low-speed hydraulic motors power the rotary and carriage drives. On the rotary drive, a single through shaft motor turns the drill string and downhole tooling.

To help reduce wear and tear on the motor, the thrust box is equipped to include a large bearing pack assembly to absorb the axial load caused by thrust and pullback. Shifting the load off the rotational motors to the thrust box assembly helps eliminate one of the factors that can shorten the life of the motor.

The floating top vise is mounted to the carriage assembly and grips the drill rod directly in front of the quill, helping prevent rod wrap or windup when breaking out of the upper joint. This saves vise carriage travel time and helps enhance productivity. A built-in float prevents premature

wear to the drill-rod threading during upper joint makeup and breakout.

Each unit also comes equipped with a strike alert, remote lockout and operator presence features. Vermeer offers sales, service and parts support for the maxi drill line through its global network of independent, authorized dealers.

“The market for horizontal drill rigs of this size is robust, as gas, oil and major water and sewer projects have a strong global outlook,” says Dave Wisniewski. “While there are other competitors in this class of drills, we feel our global dealer network will help distinguish Vermeer in this market.”

For more information on Vermeer products and services, visit the company’s Web site at or e-mail Vermeer at

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