ACDelco ARM601-4 Digital Torque Wrench 1/2 Inch
- 147 foot pounds of torque
- Ratcheting socket end, fixed square head
- SAE (inch) measurement standard
- 440 millimeters long, 3.9 pounds
- 1.5 volt battery operation
- 1 year limited warranty
Last refreshed Aug 4, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A red, polished metal ACDelco ratcheting wrench with a socket end, listed with a battery and a high torque figure. The listing gives no drive size or readout details.
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ASIN: B0081AQDIYModel: ARM601-4Category: Wrenches
Overview
A garage or shop bench with inch-size fasteners to tighten is where this ACDelco wrench belongs. It is a red, polished metal tool with a ratcheting socket end, a fixed square head and a small battery.
A high torque figure and a long standard handle suit heavy fastening on inch hardware. The limitation is what the listing leaves out: the drive size and the function of the battery are not explained.
Who it's for
Heavy tightening on SAE hardware with a long handle for leverage is the use. Shoppers needing metric sizing, a spark-safe tool or a compact wrench should look at another listing.
Pros and cons
- High torque figure listed
- Ratcheting socket end
- Long standard handle
- Polished metal finish
- Drive size not stated
- Battery purpose unexplained
- Inch sizing only
- Not a non-sparking tool
Performance notes
The ratcheting mechanism lets the socket turn the fastener without lifting the tool between strokes, and the long handle multiplies the force applied. The set name mentions torque, measurement, peak and trace, which the listing does not explain further. The small battery voltage hints at an electronic function.
Specifications
| Brand | ACDelco |
|---|---|
| Model | ARM601-4 |
| Dimensions & fit | |
| Item Length | 440 Millimetershigher than 88% of 369 wrenches |
| Wrench Length Style | Standard |
| Item weight | 3.9 Pounds |
| Power & efficiency | |
| Voltage | 1.5 Volts |
| Construction & materials | |
| Material Type | Metal |
| Color | Red |
| Finish Types | Polished |
| Included components | |
| Unit Count | 1.0 Count |
| Warranty & support | |
| Manufacturer Warranty Description | 1 Year Limited Warranty |
| Other details | |
| Measurement Standard | SAE (Inch) |
| Head Style | Fixed Square |
| End Style | Socket End |
| Operation Mode | Battery |
| Is Racheting | Yes |
| Is Non Sparking | No |
| Item Torque | 147 Foot Pounds |
| Item Type Name | ARM601-4 |
| Set Name | Torque, Measurement, Peak & Trace |
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Frequently asked questions
Is the ACDelco ARM601-4 an impact wrench?
No. The listing describes a ratcheting wrench with a socket end and a battery, and it describes no impact action.
What does the battery do in the ACDelco ARM601-4?
The listing gives a battery operation mode at 1.5 volts and a set name of Torque, Measurement, Peak and Trace, but does not explain the function.
Is the ACDelco ARM601-4 metric?
No. The measurement standard is SAE (inch).