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ACDelco ARM601-4 1/2” (14.8 to 147.5 ft-lbs.) Heavy Duty Digital Torque Wrench with Buzzer and LED Flash Notification – ISO 6789 Standards with Certificate of Calibration

4.4 4.4 out of 5 stars 1,182 ratings

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Torque Wrench

Purchase options and add-ons

Color Red
Brand ACDelco Tools
Material Metal
Item Weight 3.9 Pounds
Item Package Quantity 1

About this item

  • EASY TO USE – Our lightweight, heavy duty, and professional (14.8 to 147.5 ft-lbs.) torque digital torque wrench is engineered with high-quality materials that displays real-time torque values in ft-lbs. and Nm. An excellent tool with reliable torque values that is ideal for professionals, automotive, motor bikes, and many other industrial uses.
  • MULTI-SETTING FUNCTIONS – Torque, measurement, and Peak & Trace, Mode Settings. Torque setting range: 10% of max torque value / measuring range: 14.8 to 147.5 ft-lbs. with high accuracy of 2% clockwise 3% CCW of indicated value, CV, from 20% to 100% of full scale.
  • SUPERIOR QUALITY – Made with stellar quality that offers speed, accuracy, and an easy-to-read LCD screen that beeps when a desired torque value is achieved. Meets or exceeds ASME B107.14.14-2004, ISO 6789 standards. Individually serialized with matching certificate of calibration traceable to N.I.S.T.
  • USER-FRIENDLY – Lightweight composite housing with ergonomic soft grip handle design provides comfort for long working hours and a secure grip for maximum control and steadiness. Slim body design molded to securely fit and balance hand torque to help reduce vibration and fatigue with less wear on your hands.
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Customer ratings by feature

Accuracy
3.9 3.9
Easy to read
3.8 3.8
Easy to use
3.8 3.8
Value for money
3.7 3.7

Frequently returned item

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Frequently bought together

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From the manufacturer

ACDelco ARM family

ARM3xx ARM6xx digital torque wrench adaptors

ACdelco logo
How To Choose The Right Digital Torque Wrench

  • Drive size (obvious)
  • Torque range that fits your applications. Choose one where your typical application torques falls into the mid/higher part of the range.
  • Accuracy rating: applies from 20% to 100% of max. torque. e.g. Torque range of 10~100 ft-lbs will have stated accuracy rating between 20~100 ft-lbs
  • Is calibration mode needed to ensure accuracy?
  • Is angle measurements needed ?

ACDelco Digital Torque Wrench Family

Most Complete Line For The Pros

ACDelco Tools starves to create high quality tools for professionals from all industries who demands the highest quality and precision.

When it comes to precise & professional fastening, ACDelco offers the most complete line of digital torque wrench products. All our digital torque wrenches are made with sturdy materials and calibrated in production process to ensure best quality products will be on your hand

  • Various drive size selection: 1/4", 3/8", 1/2", 3/4" & 1"
  • Wide range of torque range fits every applications: as low as 1.1 ft-lbs, or as high as 738 ft-lbs
  • Professional grade features: On top of Peak/Track Modes, various models equiped with Calibration Mode , angle measuring capability & changeable drive head (on selected models)
  • High Accuracy: up to ±1.5%, * Accuracy rating applies from 20% to 100% of max. torque
ARM313-2A ARM325-2I ARM331-2I
ARM313-2A ARM325-2I ARM331-2I
Customer Reviews
4.2 out of 5 stars
56
3.6 out of 5 stars
4
4.1 out of 5 stars
8
Drive Size 1/4" 1/4" 1/4"
Peak / Track Modes
Calibration Modes
Angle Measurements
Interchangeable Head
Accuracy * ±1.5% CW, ±2.5% CCW * ±2% CW, ±3% CCW * ±2% CW, ±3% CCW *
Torque Range 1.1 to 22.1 ft-lbs 2.2 to 22.1 ft-lbs 1.8 to 18..5 ft-lbs
Length 16-1/8" 15-7/8" 10-1/16"
Memory 30 sets data 30 sets data 30 sets data
Alert Types Buzzer / LED / Vibration Buzzer / LED / Vibration Buzzer / LED / Vibration
ARM315-3A ARM327-3I ARM601-3
ARM315-3A ARM327-3I ARM601-3
Customer Reviews
4.5 out of 5 stars
205
2.9 out of 5 stars
8
4.5 out of 5 stars
1,561
Drive Size 3/8" 3/8" 3/8"
Peak / Track Modes
Calibration Modes
Angle Measurements
Interchangeable Head
Accuracy * ±1.5% CW, ±2.5% CCW * ±2% CW, ±3% CCW * ±2% CW, ±3% CCW *
Torque Range 5 to 99.5 ft-lbs 10 to 99.5 ft-lbs 2 to 37 ft-lbs
Length 17-1/16" 16-3/4" 12-3/8"
Memory 30 sets data 30 sets data
Alert Types Buzzer / LED / Vibration Buzzer / LED / Vibration Buzzer / LED
ARM303-4A-340 ARM317-4A ARM329-4I ARM601-4
ARM303-4A-340 ARM317-4A ARM329-4I ARM601-4
Customer Reviews
4.3 out of 5 stars
185
4.4 out of 5 stars
60
4.0 out of 5 stars
1
4.4 out of 5 stars
1,182
Drive Size 1/2" 1/2" 1/2" 1/2"
Peak / Track Modes
Calibration Modes
Angle Measurements
Interchangeable Head
Accuracy * ±1.5% CW, ±2.5% CCW * ±1.5% CW, ±2.5% CCW * ±2% CW, ±3% CCW * ±2% CW, +- 3% CCW*
Torque Range 12.5 to 250.7 ft-lbs 5 to 99.5 ft-lbs 14.8 to 147.5 ft-lbs 4 to 99 ft-lbs
Length 26-1/4" 17-7/8" 22" 17-5/16"
Memory 30 sets data 30 sets data 30 sets data
Alert Types Buzzer / LED / Vibration Buzzer / LED / Vibration Buzzer / LED / Vibration Buzzer / LED
ARM319-6A ARM321-6A ARM323-8A
ARM319-6A ARM321-6A ARM323-8A
Customer Reviews
5.0 out of 5 stars
2
5.0 out of 5 stars
2
Drive Size 3/4" 3/4" 1"
Peak / Track Modes
Calibration Modes
Angle Measurements
Accuracy * ±1.5% CW, ±2.5% CCW * ±1.5% CW, ±2.5% CCW * ±1.5% CW, ±2.5% CCW *
Torque Range 44.3 to 442.8 ft-lbs 73.8 to 738 ft-lbs 73.8 to 738 ft-lbs
Length 37" 48-5/8" 48-13/16"
Memory 30 sets data 30 sets data 30 sets data
Alert Types Buzzer / LED / Vibration Buzzer / LED / Vibration Buzzer / LED / Vibration

Product information

Technical Details

Additional Information

Warranty & Support

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For warranty information about this product, please click here [PDF ]

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ACDelco

ACDelco ARM601-4 1/2” (14.8 to 147.5 ft-lbs.) Heavy Duty Digital Torque Wrench with Buzzer and LED Flash Notification – ISO 6789 Standards with Certificate of Calibration


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Product Description

The Torque Wrench Is Probably One Of The Most Used Specialty Tools When It Comes To Automotive Work. The Acdelco Arm601-4 Digital Torque Wrench Is Designed To Provide A More Precise Torque With Various Mode Settings. This Torque Wrench Has A Built-In Audible Buzzer And Lcd Display To Show Your Measurement (Ft.-Lb., Nm, In-Lb, Kg-Cm) Settings. Easily Power This Tool With Two (2) Aaa Batteries, Making It Very Lightweight And Durable. Ranging From 9.9-99 Ft.-Lbs, This Digital Torque Wrench Is Definitely A Must-Have For Cars.

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ACDelco ARM601-4 1/2” (14.8 to 147.5 ft-lbs.) Heavy Duty Digital Torque Wrench with Buzzer and LED Flash Notification – ISO 6789 Standards with Certificate of Calibration
ACDelco Tools ACDelco ARM601-4 1/2” (14.8 to 147.5 ft-lbs.) Heavy Duty Digital Torque Wrench with Buzzer and LED Flash Notification – ISO 6789 Standards with Certificate of Calibration
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Price$201.59$182.99$99.99$99.79$169.98$109.99
Delivery
Get it as soon as Wednesday, Apr 3
Get it Apr 5 - 9
Get it as soon as Wednesday, Apr 3
Get it as soon as Wednesday, Apr 3
Get it as soon as Wednesday, Apr 3
Get it as soon as Friday, Apr 5
Customer Ratings
Accuracy
3.9
4.3
4.6
4.7
4.3
4.4
Easy to read
3.8
4.2
4.6
4.8
4.7
4.3
Easy to use
3.8
4.0
4.5
4.8
4.3
4.4
Sold By
Amazon.com
ACDelco Tools 🛠️
Leolee US
Fabiao US
Leolee US
Deshil Tools
material
Metal
Metal
Chrome Vanadium Steel
Chrome Vanadium Steel
Chrome Vanadium Steel
head style
Fixed Square
Flat
Fixed Square
Fixed Square
Round, Fixed Square
style
Torque Wrench
Digital
1/2-Inch
1/2-Inch
3/8+1/2-Inch
item torque
147 foot pounds
37 foot pounds
250 foot pounds
295 foot pounds
operation mode
Battery
Battery
Battery
Electric
Battery
Electric
finish type
Polished
Powder Coated
Polished
Powder Coated
Polished
Powder Coated
weight
4 pounds
2400 grams
3 kilograms
4.34 pounds

Customer reviews

4.4 out of 5 stars
4.4 out of 5
1,182 global ratings

Customers say

Customers like the ease of use, quality and value of the wrench. For example, they mention it's easy to set torque and buzzer rings, and it gets easier each time. That said, opinions are mixed on performance and durability.

AI-generated from the text of customer reviews

39 customers mention28 positive11 negative

Customers find the wrench easy to use. They mention that it makes the job fast and easy, and the controls get easier each time. They also say the digital operation is a breeze, and it makes their projects so much easier. Customers also mention that the wrench feels well built, and that the peak and trace options work perfectly.

"...I have used it multiple times now and the controls get easier each time...." Read more

"...I work on my own cars, I am not a full-time mechanic. It is an easy-to-use product...." Read more

"...Reading the instruction manual was PAINFUL. The instructions were written in very poor English...clearly written by a non-English speaker and..." Read more

"works great and easy to use. I wish that it was a little bit longer for easier torqe leverage" Read more

23 customers mention18 positive5 negative

Customers like the quality of the wrench. For example, they mention it's awesome, works as advertised, and is a great toy. Some say that the fit and finish looks good, and it satisfied their needs.

"Really nice once you figure out how to set the few buttons. Feels sturdy and it’s nice to know I have the right torque from the buzzer sound." Read more

"Very nice torque bar!" Read more

"Did a little research before purchasing. Seems to fit my need." Read more

"...Once max set torque is reached, the rapid beeping turns to a steady beep, not a buzzer...." Read more

23 customers mention23 positive0 negative

Customers are satisfied with the value of the wrench. They mention that it is worth the money for the quality and range. Some say that it gets the job done on a budget and is well made.

"...able to test them all, I would say that this seems to be worth the money for the quality and range...." Read more

"...Good value for money" Read more

"...Worth the money." Read more

"Gets the job done on a budget!" Read more

14 customers mention14 positive0 negative

Customers are satisfied with the accuracy of the wrench. They mention that it's a very accurately calibrated tool, and easy to set. They also appreciate the high torque capability and the feature that logs the max torque.

"...I really like the feature that logs the max torque, so when you are in an awkward position and you can not see the meter, you can take the wrench..." Read more

"...The accuracy is spot on each time. The wrench beeps when you reach the set torque value so you know when to stop...." Read more

"...Saved some of my pumps, when I leave it to my guys to use. Accurate enough I prefer it as well...." Read more

"...On the plus side, you have a very accurately calibrated tool and easy to set. I will probably return it and default to a different one." Read more

57 customers mention39 positive18 negative

Customers are mixed about the performance of the wrench. Some mention that it works well for lower torque specs, is very good, and easy to use, while others say that it is falsely advertised and will not work for their needs. The accuracy of the tool is highly useless for IN-LBS work unless you are measuring in IN-.

"This is a good tool for occasional use. I have owned this and the smaller version for over a year...." Read more

"Works perfectly as described, only confusion i had i went to the store to get flat batteries for power...." Read more

"...use the display started turning off while applying torque which made it unusable...." Read more

"Works great on target very accurate easy to use instructions suck tho...." Read more

32 customers mention21 positive11 negative

Customers are mixed about the durability of the wrench. Some mention that the build quality is solid, while others say that it broke after a month.

"Really nice once you figure out how to set the few buttons. Feels sturdy and it’s nice to know I have the right torque from the buzzer sound." Read more

"Lasted less than two years. Zero help from mfg. Junk. Save your $ and buy something better. I should have." Read more

"...The wrench overall has a sturdy construction and it has a pretty smooth action...." Read more

"...This wrench is built sturdily and has a nice weighted feel to it. The digital display is bright and easy to read...." Read more

20 customers mention3 positive17 negative

Customers are dissatisfied with the battery of the wrench. They mention that it doesn't come with batteries, the batteries die after a few uses, and the battery cartridge is missing. Some customers also report that the wrench shuts off when being used.

"No batteries included" Read more

"...The product arrived with no batterie" Read more

"...The product arrived with no batteries and it actually takes four batteries to use the wrench...." Read more

"...NOT TRUE. Four batteries are required, and ZERO are included.Those four batteries are just for the wrench to work...." Read more

13 customers mention0 positive13 negative

Customers are dissatisfied with the display of the wrench. They mention that it's not very good, it'll only be visible from a weird upward angle, and the LCD screen can be challenging to see in the bright sun. They also say that it is extremely difficult to read the small display when applying torque to the wrench, and that it reads as low as 5 nm. Customers also say the warranty has expired and the display is showing Err message. They say the wrench needs a backlit display.

"...The display is only visible from a weird upward angle as well as I think this is an LCD issue. I have seen other people comment on this as well...." Read more

"...What made this even worse is that fact that the display is on the wrong side of the handle, meaning that if you are looking at the nut being torqued..." Read more

"...My only complaint so far is that although the display reads as low as 5 nm, you cannot set the alarm any lower than 13.5nm...." Read more

"...In this position though, it's extremely difficult to read the small display when applying torque to the wrench...." Read more

This torque wrench works
5 Stars
This torque wrench works
I've used this torque wrench in the few projects and so far and I have no complaints. With all the negative reviews I was hesitant to buy it. The wrench sounds off as soon as it reaches the pre set torque. Just as another reviewer wrote you can go down to 4ft lbs but the wrench can't be pre set that low. I've had no issues with the baterry or baterry cover but it does take 4 aaa batt like in the picture not two as written in the description. It's easy to use. I was gonna go with one from harborfreight for 169.99 but for 99 bucks this does the same thing. I will continue to use it and update my review if anything changes.
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Top reviews from the United States

Reviewed in the United States on September 18, 2023
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2 people found this helpful
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Reviewed in the United States on February 2, 2018
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Reviewed in the United States on March 11, 2024
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Reviewed in the United States on December 17, 2023
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Reviewed in the United States on August 30, 2023
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Reviewed in the United States on April 30, 2023
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Reviewed in the United States on October 7, 2023
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14 people found this helpful
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Reviewed in the United States on May 6, 2022
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4 people found this helpful
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Top reviews from other countries

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MANUEL A.
5.0 out of 5 stars Cliente de Amazon
Reviewed in Mexico on August 9, 2023
Style: Torque WrenchVerified Purchase
One person found this helpful
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Matt T.
5.0 out of 5 stars Works fantastic
Reviewed in Canada on October 28, 2022
Style: Torque WrenchVerified Purchase
One person found this helpful
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Dude
5.0 out of 5 stars Bloody awesome bit of kit
Reviewed in the United Kingdom on March 15, 2020
Style: Torque WrenchVerified Purchase
Kelly Stephens
5.0 out of 5 stars Perfect tool
Reviewed in Australia on August 30, 2022
Style: Torque WrenchVerified Purchase
DP
5.0 out of 5 stars It works
Reviewed in Canada on March 20, 2024
Style: Torque WrenchVerified Purchase