Link2 Wireless Fleet Information System

The Link2® vehicle diagnostics system captures emergency vehicle data and transmits it automatically to a secure web dashboard.  The data can then be accessed anywhere in the world at any time through a secure account.  The Link2 hardware module is mounted on the vehicle and when within the range of a Wi-Fi network, automatically uploads the data to a web-based dashboard. Find a Weldon distributor near you to learn more about Link2 vehicle diagnostics system.

NEW! Real Time Uploads and Alert Texting

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Starting at $1,844.00 MSRP
All prices listed are the manufacturer’s suggested retail price, also referred to as "List Price", and are for U.S. domestic resale and exclude any: Local, State and/or Federal sales and excise taxes; International Tariffs and Taxes; and Shipping. Final price will be set by retailer. All prices, terms and conditions are subject to change without notice. Special Orders - Akron Brass produces many items to specification that are not carried in stock; after an order in this category has been accepted and placed in the process of manufacturing, no cancellations will be accepted.
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Link2 Module

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  • Link2 Module
  • Vehicle Dashboard
  • How it works
  • Link2 Connections


Monitoring the operation and status of your fleet has never been easier. Link2 vehicle diagnostics system provides your staff with critical vehicle data from the engine, transmission, ABS and electrical system network, via an easy-to-use web-based dashboard.   Link2 can be installed on vehicles utilizing the SAE J1939 data bus connecting the electronic engine, transmission and ABS systems on custom or commercial chassis. The J1939 data bus is commonly found on custom and commercial chassis manufactured after 2001.

New Features:
The Link2 product has been enhanced to support real time data uploads, fully configurable by the user, on link2dashboard.com. Vehicle information can be uploaded instantaneous on a scheduled upload interval or a specific vehicle event (engine diagnostic code for example). Vehicle alert messages can now be texted to the users’ mobile phone for instant notification of vehicle events configured by the user

Never before have fire service personnel possessed the ability to view their fleet in such detail.

  • Internet dashboard with usage, service and warranty specific data including current vehicle mileage and vehicle hours

  • Automatic notification of service requirements and critical faults sent to specific staff members and fleet service personnel

  • Vehicle alerts sent via e-mail or text message for quick analysis and response

  • Fully configurable wireless communications to the Web via your station Wi-Fi access point

  • Ability to schedule future maintenance based upon vehicle hours, mileage and component usage

  • Custom circuit monitoring and alerting capability

  • NFPA 1901 Vehicle Data Recorder capability with data viewable via secure website

  • Configure and schedule electronic and paper based vehicle inspection reports

  • View historical vehicle operation via the Web (max speed, fuel usage, ABS events, pump usage)


  • Ambulance OEMs
  • Emergency Responder OEMs
  • Fire OEMs
  • Firefighting - Structural
  • Rescue - EMS

Link2 Wireless Fleet Information System Video


Style 6410
Warranty Warranty
Country of Manufacture US
Weight 1 lb
Brand Link2
Length 5.5 in
Width 1.4 in
Height 1.4 in

A Weldon Link₂ module shall be provided.  It shall consist of a J1939 enabled hardware device connected into the chassis J1939 Controller Area Network (CAN) data bus. The device shall monitor J1939 CAN data transmitted over the data bus and write the data to non-volatile memory.   Collected data shall be wirelessly uploaded to secure remote servers via the customer’s configured Wi-Fi 802.11 a/b/g/n network access point. The device shall be configured to monitor CAN messages broadcast over the apparatus J1939 CAN data link and be capable of capturing and transmitting at a minimum the following data parameters:

  • Engine/PTO/Aerial/Generator Hours
  • Mileage
  • Engine diagnostic Codes (CEL/SEL)
  • ABS diagnostic codes
  • Transmission diagnostic codes
  • Run Status
  • Emergency Warning Status
  • Interlock Status
  • Low Voltage
  • Park and Service Brake actuation
  • Event Fuel Consumption (Gallons per hour)
  • Tank level status
  • Other data as deemed available by the OEM
  • Custom defined parameters


The Link hardware device shall consist of an industry proven Deutsch IP6# sealed enclosure with corresponding dual Deutsch harness connectors. The device shall include provisions for an active antenna output that will allow for an antenna to be routed to the roof.  The device shall include diagnostic LEDs providing a visual indication of the module’s operational readiness (power, communication) and status of WiFi 802.11 a/b/g/n network connectivity.  The module settings and wireless connections shall be configured by connecting a USB cable to the device.

The Link₂ device shall upload data that is accessible through the Weldon Link₂ online dashboard, accessed at link2dashboard.com. 

The apparatus OEM shall be responsible for ensuring the above data elements are accessible to be recorded by the Link₂. The device shall also be capable of recording non-CAN functions through a series of analog, digital and frequency inputs on the device. The OEM or installer shall be responsible for determining if a particular data parameter shall be accessed via the J1939 CAN or provisioned via available hardware input circuits.

The device shall incorporate a twenty (20) year rated lithium battery to maintain real-time clock functions.   The Link₂ shall have a connection to constant battery voltage necessary to perform operational transmit and receive functions for a period of time after the apparatus is powered down.  


Name Sheet #
Manual View File Link2 Product Specification
Manual View File Link Product Specification - Rich Text Format for Quote Writer

Access Drawings for Engineers

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Link2 Sell Sheet View File

Installation and Service Documents

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Manual View File Link2 Module - Quick Installation Guide
Manual View File Link2 - Wi-Fi Connection Guide for Definer
Manual View File Link2 Dashboard User guide

Performance Content

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Software Updates and Downloads

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Type Description Instructions Version Updated File
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Link2 Definer Application

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v 0.27.1 2013-12-10 14:44:06 View File

Product Updates and Media Files

Description Type Size
View File Link2 Product Data Sheet (A4 Print Size) View File 458.08 KB
View File Link2 Product Sheet View File 457.53 KB
View File Link2 Brochure View File 784.75 KB
View File Link2 Recorded Vehicle Parameters Reference Sheet View File 143.55 KB
View File Link2 FAQs View File 663.32 KB
View File Link2 Product Update View File 412.48 KB
View File Link2 ® Drahtloses Flotteninformationssystem View File 460.59 KB
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