MT Trencher Chain Tensioner – Auger Torque

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Nose Roller Bearing Assembly for MT Trenchers by Auger Torque

The nose roller bearing is at the end of the boom of your trencher and allows the chain to spin around the end smoothly. With a worn bearing you will experience a slack chain and vibrations through the boom of your trencher.



Chain Tensioner for MT Trenchers by Auger Torque

We now offer the full range of parts for sale through our website, for all of our attachments. Never get caught short without spare parts again. If you are looking for something that is not listed online please give us a call or email.

The chain tensioner is a mechanical piece that keeps the chain tight to ensure that you get maximum efficiency from your trencher.

The tensioner can be replaced by removing the chain and a couple large bolts that hold the tensioner in place. Tightening the tensioner extends the boom and takes the slack out of the chain.

Trencher Range

This part suits:

Auger Torque MT Trenchers from MT24 to MT48 – any chain size – excavators or skid steers.

If you are unsure of the fitment of this part, download the parts list below – or contact us!

Download the Auger Torque MT Trencher Parts List below!

This part number 42-1902 – item number 240 on page 6 & 7 of the parts list. 

Warranty Information

Auger Torque provide a LIFETIME parts replacement warranty on the dislodgement of the Earth Drill shaft and any failure of the Shock Lock system to prevent loss of teeth under normal operating conditions.

All Auger Torque products are warranted to be free from defects in materials or workmanship for the periods summarized below:

  • Planetary Gearbox Components – 72 Months
  • Hydraulic Motors – 36 Months
  • All Other Parts / Products – 24 Months

For any additional information on the Auger Torque range, you can visit their website here!

If you can’t find the answer to your question, contact us below!

Additional information

Auger Range

S4, S5/S6

Tooth Style

Earth, Tungsten


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Q & A

I'm having a little bit of difficulty as to which side the amount on. I didn't know if you had a graphic you could send to me? John Willis asked on July 15, 2022

Hi John,

I will send an image over to your email. The two short bolts stick out of the auger side of the boom. While the long bolt used to tighten the tensioner runs parallel to the boom on the motor side of the trencher. Hope this makes sense!

Contact us if you have any more questions.

Andrew Forrest answered on July 15, 2022 store manager
(0) (0)

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