Nexiq USB Link 3 Wired - Rock Solid Connectivity.
Not every job needs Bluetooth or Wi-Fi. When you want speed, stability, and zero connection drama, a wired interface simply wins. The Nexiq USB-Link 3 Wired Edition gives you the same performance, speed, and compatibility as the wireless versions, without paying for features you’ll never use. It’s the smart choice when you want diagnostics that work every time, even when internet access doesn’t.
Industry-leading hardware from the VCI standard bearer
The USB-Link name didn’t become the industry standard by accident. Nexiq has set the benchmark for vehicle communication interfaces for years, and the USB-Link 3 Wired Edition raises the bar again.
- Sixteen times more RAM than previous generations for faster performance
- Handles heavier bus loads across simultaneous channels
- Rugged, shop-proven design built for daily use
Works with the OEM software you already rely on
The USB-Link 3 Wired Edition is built to drop straight into professional workflows. It’s compatible with the same wide range of OEM and aftermarket software used in serious diesel shops every day.
- Detroit Diesel Diagnostic Link (DDDL)
- Navistar ServiceMaxx
- Caterpillar Electronic Technician
- Cummins INSITE
- Mack and Volvo PTT / VCADS
- Freightliner ServiceLink
- Bendix ACom and Meritor WABCO diagnostics
- And many more
Broad protocol support for mixed fleets
One interface, deep protocol coverage. The USB-Link 3 Wired Edition supports the communication standards required to diagnose both heavy- and medium-duty vehicles without juggling adapters or tools.
- J1708 and J1587
- Dual J1939 / ISO 15765 / CAN
- J1850 VPW and PWM
- ISO 9141 / KW2000
- ALDL and more
Open API support for maximum flexibility
This interface isn’t locked down or proprietary. It supports industry-standard APIs so it works seamlessly with today’s software and tomorrow’s tools.
- RP1210a and RP1210b
- J2534
Everything you need, nothing extra
The USB-Link 3 Wired Edition ships ready to work, straight out of the box.
- 9-pin adapter cable
- OBDII cable
- Diesel Laptops 9-pin to 6-pin converter adapter
- 15-foot USB cable
- Quick start reference guide
Works seamlessly with Diesel Explorer
Pair the USB-Link 3 Wired Edition with Diesel Explorer and unlock fast, practical diagnostics across heavy- and medium-duty vehicles.
- View every diagnostic trouble code clearly
- Access component information
- Monitor live parameters and trip data
- Generate reports and document vehicle health
Free access to Diesel Repair Professional
This isn’t a throwaway bonus.
Every purchase includes 14 days of Diesel Repair Professional, which means instant access to the largest heavy-duty repair database in the industry. Fault codes don’t just show up, they turn into step-by-step fixes, wiring diagrams, specs, and real repair direction without waiting or guessing.
Trusted by technicians, not hype
This tool didn’t earn its reputation from marketing copy.
Dozens of verified reviews tell the same story again and again. It connects fast. It works as advertised. It keeps working day after day. That kind of consistency is why technicians stick with it.
If you want a rock-solid vehicle communication interface without paying extra for wireless features you don’t need, this is it.
Fast. Dependable. Widely compatible. Backed by Diesel Laptops. Built to work every time you plug it in.
About the Nexiq USB Link 3 Wired
Rugged and dependable, the USB-Link™ brand has long been the industry leader in vehicle communication interface (VCI) technology. The USB-Link™ 3 VCIs come standard with sixteen times more random access memory than previous versions, and they support heavier bus loads on simultaneous channels.
See Specifications and Features
Compatible Software:
- Detroit Diesel Diagnostic Link (DDDL)
- Navistar ServiceMaxx
- Caterpillar Electronic Technician
- Cummins INSITE
- V-MAC III Service Diagnostic
- PTT/VCADS 1.12 (Mack and Volvo)
- Navistar Diamond Logic Builder (DLB)
- Freightliner ServiceLink
- Meritor WABCO HABS
- Bendix ACom Diagnostics
- And more...
Protocol Support:
- J1708
- J1587
- Two-J1939/ISO 15765/CAN
- J1850 (VPW and PWM)
- ISO 9141/KW2000
- ALDL
- And more...
API Support:
- RP1210a/b
- J2534
Kit Includes:
- 9 Pin Adapter Cable
- OBDII Cable
- Diesel Laptops 9 Pin to 6 Pin Converter Adapter
- 15' USB cable
- Quick start reference guide
Works with Diesel Explorer
This Heavy and Medium Duty Diagnostic Software allows you to...
- Easily see every DTC
- Get information on components
- View live parameters
- View trip data
- Generate reports and more!
Diesel Repair Professional - 14 Days Free!
Tap into the largest repair database in the HD industry with our cutting edge Diesel Repair platform. Click below to explore all the amazing tools you'll get for 14 days free with your purchase.
What's Inside Diesel Repair?
With Diesel Repair Pro, there's no limit to what you can do. Confidently take on more jobs, reduce downtime, and keep your customers satisfied. Equip your team with the ultimate truck repair resource—and watch your business thrive.
Your 14-Day Pass to Diesel Repair Professional Includes:
- Truck Fault Codes - Tap into the largest code database in the industry to search for MID, PID, SPN, FMI, and OEM flash codes.
- Technical Repair Docs - Instantly access, save, or print complete remove + replace information for your repair from anywhere.
- Wiring Diagrams - Searchable, color-coded, easy-to-understand wiring schematics for on-highway trucks that you can print or download to your device.
- VIN Decoder - Quickly decode your commercial truck VIN. Get detailed information including manufacturer, make, model, type, fuel type, engine info, and more.
- Symptom Based Troubleshooting - Provides easy-to-read diagnostic procedures for common fault symptoms.
- Truck Labor Times - Win your customers over with accurate labor time estimates, and eliminate guesswork with our easy-to-use commercial truck SRTs.
- Parts Cross Reference - Cross 2.5 million+ heavy-duty parts at the push of a button. When you find the part, cross it with our aftermarket database to find the best option for you.
- Exploded Views - Find detailed exploded diagrams so you can identify the parts you need — even without a VIN.
- Diesel Dictionary - Over 1,000 acronyms, technical terms, and industry slang indexed and explained so you can be sure everyone is speaking the same language.
- Testing Procedures - Leverage decades of heavy-duty maintenance and troubleshooting know-how in no time.
- Customer Connect - Find new customers with a few simple clicks. Easily pinpoint fleets, dealerships, independent garages, towing services, and more in minutes with Diesel Repair’s Customer Connect module.
Easy Returns
When you buy from Diesel Laptops, we want to make sure you're happy with your purchase. You may return this product within 30 days of delivery, with a small 15% restocking fee. It's part of how we keep things fair for everyone.
For more details, please visit our Return Policy page below.