Auger Drive High Torque

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Auger Drive High Torque

Product Category: Skid Steer

2″ hex output & 20% more torque for the toughest drilling conditions.

  • HOSES ROUTED FROM TOP OF HOUSING FOR DEEPER DRILLING
  • PLANETARY REDUCTION WITH 2″ HEX OUTPUT
  • PREMIUM PARKER® MOTOR WITH HYDRAULIC PRESSURE RELIEF PROTECTION
  • BI-DIRECTIONAL AUGER ROTATION

Supports auger bits up to 36″ in diameter.

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MODEL ADHT36
Overall Height/Width/Depth (Inches) 20.5 / 47.3 / 37.0
Maximum Standard/Tree Auger Bit Size (Inches) 36.0
Maximum Rock Auger Bit Size (Inches) 18.0
Recommended Flow Rate (GPM) 15-27
Output Torque @ 2000 PSI (ft.-lbs.) 2230
Output Torque @ 2500 PSI (ft.-lbs.) 2790
Output Torque @ 3000 PSI (ft.-lbs.) 3345
Output Torque @ 3500 PSI (ft.-lbs.) 3905
Output Speed @ 16 GPM (RPM) 44
Output Speed @ 22 GPM (RPM) 61
Output Speed @ 27 GPM (RPM) 74
Approximate Weight (Pounds) 305

Spec Comparisons - Virnig Auger Drives

Easily compare the Auger Drive (AD) and Auger Drive High Torque (ADHT).


Name (Model)         Recommended Flow Rate (GPM)Output Torque @ 2500 PSI (FT-LBS)Output Torque @ 3000 PSI (FT-LBS)Output Torque @ 3500 PSI (FT-LBS)Output Speed @ 16 GPM (RPM)Output Speed @ 20 GPM (RPM)Output Speed @ 24 GPM (RPM)Weight (lbs)
Auger Drive (AD36)15-252,2752,7303,190546781280
Auger Drive High Torque (ADHT36)15-272,7903,3453,905445566305

Below are various questions Virnig Manufacturing receives on a regular basis. Browse through the following questions and click on a question to see the answer. If you do not see your question listed below please contact a local Virnig dealer or call 800.648.2408.

Auger Drive High Torque Frequently Asked Questions

WHY DOES VIRNIG USE A PLANETARY GEAR REDUCTION SPINDLE OVER CHAIN DRIVE?

Virnig uses planetary gear reduction to transfer power from the motor to the output shaft and bit. Using a planetary provides several advantages over chain drive augers, including:  

Increased Torque: Planetary typically provides higher torque output, which helps power through harder soil. 

Greater Efficiency: Planetary reduction offers greater efficiency compared to chain drive. More of the power is translated into torque at the auger bit. This provides faster drilling times and lower fuel consumption.  

Reduced Maintenance: Chain drive augers require regular maintenance to keep the chain properly tensioned and lubricated. In contrast, planetary reduction systems require less maintenance and have fewer parts that will wear and break over time. 

Longer Lifespan: Planetary reduction auger drives tend to have a longer lifespan than chain drive augers, due to the reduced wear and tear on the drive system. 

Overall, planetary reduction can offer greater drilling performance, efficiency, and longevity compared to chain drive augers. 

WHAT ARE THE ADVANTAGES OF HEX OUTPUT?

Hex augers have a hexagonal shape, which provides better torque transfer from the drive unit to the bit. This means hex augers can handle higher loads and are less likely to slip or strip compared to round output augers.  

Hex augers have a more stable connection to the drive unit, which helps to reduce wobbling during operation. This results in smoother operation and more precise digging.  

It’s easier to attach and detach auger bits on a hex drive. A round drive requires aligning two circles properly. Also, Virnig Augers with hex output secure bits with a pin, which is easier to attach and remove than a bolt and nut used on round auger drives. This reduces downtime and increases productivity. 

WHY WOULD SOMEONE CHOOSE AN AUGER WITH ROUND OUTPUT?

Someone may choose round over a hex auger drive for several reasons. Round auger drives have been around the longest and switching to hex would require replacing all their round bits with hex collar bits. In some applications, hex may not be necessary and a round auger drive may be sufficient. Some users may simply prefer the feel of a round auger drive and may have more experience using them. 

Overall, both round and hex auger drives have their advantages and disadvantages, and the choice between the two will depend on the specific needs and requirements of the user. 

WHAT AUGER BIT TOOTH OPTIONS DOES VIRNIG OFFER?

Virnig offers Wisdom Gage teeth, Wisdom teeth, and Carbide Wisdom teeth for all purpose applications. Standard Chisel teeth and Carbide Chisel teeth are available for hard, more compacted ground. Standard replacement Fishtail Points and heavy duty Carbide Fishtail Points are also available. 

HOW DEEP CAN I DRIVE THE HIGH TORQUE AUGER CAN INTO THE HOLE?

The Virnig Auger Drive High Torque (ADHT36) drills 18” deeper than the cross hole on the planetary shaft before there’s interference with the saddle. However, a 12” diameter bit is required to push the auger can below the ground surface. The saddle, where the can rests, would be the first part of the frame to have interference when drilling.

DOES THE VIRNIG AUGER DRIVE HIGH TORQUE USE A HEX OR ROUND OUTPUT?

The Auger Drive High Torque has a 2” hex output shaft. 2-9/16” round output isn’t available for the ADHT36.

CAN I USE THE AUGER DRIVE HIGH TORQUE WITH HIGH FLOW?

The Virnig Auger Drive High Torque (ADHT36) motors are rated for 15-27 GPM with zero overflow tolerance. Operating higher than 27 GPM will void the warranty and can cause catastrophic failure.

WHAT IS THE MAXIMUM SIZE AUGER BIT THE AUGER DRIVE HIGH TORQUE CAN USE?

For best drilling results, the Virnig Auger Drive High Torque (ADHT36) is designed to use bits up to 36” in diameter and up to 48” long. Using a larger or longer auger bit can damage the spindle or motor and will void the warranty.

WHAT PROTECTS THE HYDRAULIC SYSTEM FROM PRESSURE SPIKES?

All Virnig Auger Drives are equipped with a pressure relief valve to prevent damage from pressure during drilling.

Virnig Frequently Asked Questions

WHAT IS RECOMMENDED LOADER CAPACITY?

Virnig attachments are rated to provide maximum performance and protection against damage when paired with an appropriately sized loader. Here’s a checklist to get the right attachment for your loader.

Go here to find skid steer capacity and specs.

Contact a local Virnig dealer for the most accurate attachment specs, or call Virnig at 800.648.2408.

HOW DO I PURCHASE VIRNIG ATTACHMENTS?

Virnig sells mini skid steer, compact tractor, and skid steer attachments through a network of independently owned dealers throughout the United States and Canada. Call 800-648-2408 for assistance in finding a dealer or use the online Dealer Finder.

WHERE CAN I FIND PRICING INFORMATION?

Please contact a local Virnig dealer to obtain pricing information.

For Virnig’s suggested retail price, fill out an online Request a Quote form.

WHAT TYPE OF ATTACHMENT INTERFACE/HOOKUP DOES VIRNIG USE?

All Virnig skid steer attachments are manufactured with a universal mount to fit most skid steer loaders. The mounting frame is built to ISO 24410 and SAE J2513 standards.

All Virnig mini skid steer attachments are manufactured with a Toro®/mini universal mount, Bobcat® mount, or ASV® mount.

WHAT IS THE SETUP TIME FOR A VIRNIG ATTACHMENT?

Most Virnig attachments are ready to work right off the pallet.

To minimize setup time, Virnig Manufacturing requires the machine brand and model to be listed in every order for attachments with hydraulic components. This ensures proper hose length, routing, and coupler sizing. In addition, all hydraulic Virnig Attachments are tested for leaks and proper operation before leaving the factory. There may be specific scenarios in which additional setup time will be required.

HOW QUICKLY CAN I GET REPLACEMENT PARTS?

Most parts for Virnig skid steer attachments are available in-stock and can be shipped as early as the same day the order is received. Fabricated and back ordered parts are available with a reasonable lead time. Virnig uses several shipping options to provide timely and cost effective delivery to customers.

Check with a local Virnig dealer for replacement part availability.

WHAT WARRANTY DOES VIRNIG OFFER?

All Virnig parts and attachments are warranted for one year from the end user’s date of purchase, or the dealer’s date of first rental/demonstration. If the warranty period has expired, a sales receipt or first rental slip will be required for warranty consideration.

WHY DOES VIRNIG USE NITROSTEEL® CYLINDER RODS?

Virnig uses NitroSteel® cylinder rods because they are a superior performing alternative to chrome plating. The finish offers improved corrosion resistance and better grease retention.

Chrome plated cylinder rods can flake or pit and destroy the seals or other internal components; resulting in downtime and expensive repairs.

A NitroSteel® rod will perform better and increase the service life of a cylinder, making it the cost-effective choice. Learn more about the benefits of the NitroSteel® process.

The questions and answers in this FAQ are provided for general information purposes only and may not be completely accurate in every circumstance, view full details. This FAQ is subject to change without notice.

Auger Adapter: Model A2H-256R

Turns a 2” hex female drive unit into a 2 9/16” round male output.

Auger Drive Option A2H-256R

Auger Adapter: Model A256R-2H

Turns a 2 9/16” round female drive unit into a 2” hex male output.

Auger Drive Option A256R-2H

Auger Extension: Model FE24

24″ fixed extension, 2″ Hex (Model FE24-2H, shown) or 2 9/16″ Round (Model FE24-256R).

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Auger Extension: Model VE48

48″ variable extension, 2″ Hex (Model VE48-2H, shown) or 2 9/16″ Round (Model VE48-256R).

Auger Extension- Model VE48

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