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Eligible for Return, Refund or Replacement within 30 days of receipt
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OTC 6637-ST Strut Tamer with Stand

4.1 4.1 out of 5 stars 24 ratings
$1,396.27

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Purchase options and add-ons

  • new forged locking jaws includes larger pads and offset to clamp onto and compress springs even tighter than before
  • "new extra thick 5/8" compression arms for superior strength, stability and safety"
  • new locking trunions for optimal stability during spring compression
  • Fit type: Universal Fit
  • includes stand with wheels for easy mobility in the shop
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OTC 6637-ST Strut Tamer with Stand
$1,396.27
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From the manufacturer

OTC Otawonna Tools Equipment HD Specialty Service Professional Technician Diagnostic
OTC A Proud Heritage Since 1925 Quality Tools and Equipment Professional Service Specialty Tool

Proud Heritage of Manufacturing Quality Tools and Equipment
Steve Cross

Drop Forge Operator of 40 years

“I’M PROUD OF THE OTC BRAND. I’M MAKING A BRAND THAT’S BEEN AROUND A LONG TIME. ANY GUY THAT’S WORKED ON A CAR HAS HEARD OF THE OTC BRAND, AND THEY PROBABLY HAVE USED IT.”

At OTC, we're proud of our heritage and those that have built it with us.

OTC - Proudly Serving Professional Technicians for Almost a Century

What We Like Most About Technicians is Their Work Ethic

Technicians are problem solvers who aren’t afraid of sweat on their brow and grease on their hands. They provide high quality services that demand high quality tools. When they need a reliable tool, they know they can depend on OTC tools to deliver.

Owatonna Tool Company for the long haul — proudly designing and manufacturing American specialty service tools, diagnostics and shop equipment since 1925.

  • Automotive Specialty Tools
  • Heavy Duty Truck Service Tools
  • Heavy Duty Shop Tools
  • Motorcycle Tools
  • Electronic Diagnostic Tools
  • and so much more
OTC Shop Equipment Power Train Lifts Stands Cranes Presses DPF Equipment
OTC Tools Special Service Tools automobiles car truck motorcycle
OTC Professional Diagnostics Encore Scan Tool

Product Description

The 6637 Strut Tamer II Extreme sets a new standard in strength and safety for strut spring compressors. This unit meets the new ASME PASE safety standards for spring compressors and is capable of safely compressing the largest strut springs. A replacement for the Strut Tamer Extreme with improvements designed to provide quick and safe strut service for technicians. The 6637-ST includes the Strut Tamer II Extreme and stand with wheels to move around the shop and save space. Spring capacity is 2 1/2" to 10" Diameter, 1 1/4" to 24" Vertical Stroke; and the gear reduction is 2:1 torque compression.

Product information

Technical Details

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Warranty & Support

Amazon.com Return Policy:Amazon.com Voluntary 30-Day Return Guarantee: You can return many items you have purchased within 30 days following delivery of the item to you. Our Voluntary 30-Day Return Guarantee does not affect your legal right of withdrawal in any way. You can find out more about the exceptions and conditions here.
Product Warranty: For warranty information about this product, please click here

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OTC 6637-ST Strut Tamer with Stand

OTC 6637-ST Strut Tamer with Stand

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What's in the box

  • Strut tamer with stand

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    Customer reviews

    4.1 out of 5 stars
    4.1 out of 5
    24 global ratings

    Customers say

    Customers like the quality of the strut tamer. They say it's worth an investment for mechanics, and a fantastic stru t service tool that can handle any stru. They also say it handles all stru with ease and safety. However, some customers have mixed opinions on weight.

    AI-generated from the text of customer reviews

    5 customers mention5 positive0 negative

    Customers are satisfied with the quality of the strut tamer. They mention that it is worth an investment for all mechanics, and a fantastic stru t service tool that can handle any stru.

    "...This is worth an investment for all mechanics." Read more

    "...No prob there with my buick struts.Again the strut tamer is worth the money, instead of a large hospital bill...." Read more

    "Fantastic strut service tool that can handle any strut conceivable! Well made, low effort, heavy duty construction- best I have seen...." Read more

    "awesome tool worth the money. would buy again." Read more

    7 customers mention4 positive3 negative

    Customers have mixed opinions about the weight of the auto part. Some customers appreciate the heavy duty construction, saying it can handle any strut conceivable. However, others say the two packages couldn't withstand the weight, and the stand sags a bit under the weight.

    "Heavy duty made, unfortunately the two packages couldn't withstand the weight of the tool. The boxes were heavily damage when arrived...." Read more

    "Fantastic strut service tool that can handle any strut conceivable! Well made, low effort, heavy duty construction- best I have seen...." Read more

    "The strut compressor seems well built. It’s made of heavy gauge steel. Very heavy. Made short work of some struts I was replacing on a 2012 Corolla...." Read more

    "...But it does the job and has held up well." Read more

    Top reviews from the United States

    J. Nguyen
    5.0 out of 5 stars Best strut spring compressor
    Reviewed in the United States on November 10, 2020
    Verified Purchase
    Heavy duty made, unfortunately the two packages couldn't withstand the weight of the tool. The boxes were heavily damage when arrived. Manufacture needs to provide more cushion. My stand was missing the wheels and multiple areas had missing paint. Overall, best purchase I ever made. I just got tired of renting the two piece compressor from the auto parts store; it was dangerous and frustrating to spend all day for just two front struts. Whereas this strut compressor took 10 minutes to remove and replace safely. This might be expensive, but imagine spending a new $1000 phone every two years. This is worth an investment for all mechanics.
    One person found this helpful
    Helpful
     Report
    Ken
    5.0 out of 5 stars Used this on a 2007 ML350
    Reviewed in the United States on May 21, 2022
    Verified Purchase
    Was able to compress a 2007 ML350 front springs but it did take more effort due to the beefy springs. Looking at videos online they are usually working on passenger car springs and make it look effortless. With truck/suv springs this compressor can handle them but it takes more effort.

    Had to readjust the arms a couple times to get the spring to compress straighter instead of lop sided.

    Agree with other reviewer that the stand is not as well built as the compressor. But it does the job and has held up well.
    Helpful
     Report
    bdeath
    4.0 out of 5 stars Worked for my use on replacing struts
    Reviewed in the United States on October 1, 2023
    Verified Purchase
    Like the fact that Im not going to get metal stuck in my head like i almost did with those MacPherson pair of strut compressors. Its a lot safer using the strut tamer and well worth not going to the hospital. My old car has a dent in the hood where i cold have been killed or severely injured with MacPherson.
    The stand is not so bad either. No prob there with my buick struts.
    Again the strut tamer is worth the money, instead of a large hospital bill. Even cheaper in comparison .
    Last thing, I would use the Valvoline Multi-Vehicle High Temperature Red as a lubricator on the threads with the amount of heat and torque on them compressing the struts.
    Helpful
     Report
    James G.
    1.0 out of 5 stars EMPTY PROMISES
    Reviewed in the United States on May 31, 2023
    Verified Purchase
    only sent 1/2 the parts and now want me to pay to send back
    Helpful
     Report
    Robert King
    5.0 out of 5 stars Handles all strut with ease and safety!
    Reviewed in the United States on March 3, 2018
    Verified Purchase
    Fantastic strut service tool that can handle any strut conceivable! Well made, low effort, heavy duty construction- best I have seen. Stant allows ease of movement to vehicle, a real bonus.
    One person found this helpful
    Helpful
     Report
    Gresham 4wd
    5.0 out of 5 stars Don’t know how worked with out it!!
    Reviewed in the United States on October 19, 2018
    Verified Purchase
    awesome tool worth the money. would buy again.
    One person found this helpful
    Helpful
     Report
    Amazon Customer
    5.0 out of 5 stars Correctly align strut to arm is important.
    Reviewed in the United States on February 16, 2019
    Verified Purchase
    Strut job is a breeze with this tool.
    Helpful
     Report
    robert sandoval
    4.0 out of 5 stars Heavy duty strut compressor.
    Reviewed in the United States on March 26, 2021
    Verified Purchase
    The strut compressor seems well built. It’s made of heavy gauge steel. Very heavy. Made short work of some struts I was replacing on a 2012 Corolla. The stand I purchased with the tool is a little flimsy. Should’ve been made of thicker gauge steel. The stand sags a bit under the weight of the strut compressor. I would say save your money and and don’t buy the stand. Build your own heavy stand for the tool as it’s pretty heavy.
    Helpful
     Report

    Top reviews from other countries

    Amazon Customer
    5.0 out of 5 stars What a great tool !!!
    Reviewed in Canada on June 9, 2022
    Verified Purchase
    The easiest and safer spring compressor ever used. It's expensive but you know what you are paying for.
    Report
    Alex
    5.0 out of 5 stars Great product
    Reviewed in Canada on May 5, 2020
    Verified Purchase
    As advertised great tool great value
    Report