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General Equipment 300 Series Designed for Digging Pros

Wed September 12, 2007 - National Edition
Construction Equipment Guide

General Equipment’s 300 Series professional hole diggers provide the performance and power needed to handle heavy-duty digging projects, from commercial fencing to upscale landscaping.

A four-cycle, 3,600-rpm Honda GXV140 5-hp (3.7 kW) gasoline engine powers the series, and a Lo Tone muffler reduces operating sound. A resistor-type spark plug helps with starting.

To increase operator control, a Magura twist-grip throttle is positioned to maximize hand and arm strength. The heavy-duty, spring-return throttle provides precise control within the operator’s hand.

Multiple driveshaft options make the 300 Series adaptable to competitive augers so that existing inventories can easily be accommodated. The 330H auger features a 1.375-in. (3.5 cm) hexagon General driveshaft auger connection. The 343H uses a 0.875-in. (2.2 cm) square Ground Hog-type connection, and a Stihl-type connection is used on the 357H.

Numerous auger size options also are available, with diameters between 2 and 18 in. (5 to 45.7 cm). Adding full-length, flighted auger extensions can increase the standard 3-ft. (.9 m) drilling depth as well.

General’s transmission design features a totally enclosed oil-lubricated spur gear reduction. The precision machine-cut spur gears deliver torque and horsepower to the auger, pushing the unit to a maximum 190 ft.-lbs.

The all-metal centrifugal clutches are oil-cooled to extend service life and have been designed to slip should the machine’s capabilities become overloaded. This ability to partially disengage will prevent damage to the auger and maximize operator safety during an overload situation or upon sudden contact with buried obstructions.

General’s Pengo-type, cast-steel boring head configuration provides an aggressive design for use in difficult soil conditions. Cast-steel screw bits and forged-steel teeth contribute to the auger’s versatility in a wide cross-section of soil compositions. Additionally, each auger’s flighting pitch is set to drill cleaner holes in granular soils, producing more usable holes.

Designed with operator comfort in mind, each 300 Series hole digger features ergonomically positioned Comfort-Flex handles that absorb vibration while enhancing operator control and minimizing fatigue.

Additionally, the high-strength composite Comfort-Flex material helps to insulate the operator should the auger come into contact with underground power sources.

An ultraviolet inhibitor built into the material minimizes sunlight’s damaging effects.

Built for long service life under heavy-duty use on construction sites, the 300 Series offers durable parts that require minimal maintenance. Thick, cross-sectioned helicoids or sectional auger flighting delivers maximum strength and wear resistance. The high capacity Timken bearings require little maintenance, and all wear parts on the auger head are field-replaceable.

For more information, call 800/533-0524, or visit

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