Used Cojali Jaltest Construction and Off Highway Diagnostic Tool

by Cojali

Used Cojali Jaltest Construction and Off Highway Diagnostic Tool

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SKU UJO-001719461

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PLEASE NOTE: This listing is for a used kit.

This multi-brand construction and off-highway diagnostic tool from Cojali is perfect for those of you who work on heavy equipment such as earthmoving, generators, and industrial engines.  What’s more, this tool comes with all the products, services, and training you can expect from Diesel Laptops. You can read the details on all the exclusive benefits, software, and training you get when you purchase a kit from us, which we call the Diesel Laptops Difference.


Want a FREE Diesel Decoder?

Purchase this kit in June and get our amazing new Diesel Decoder for FREE - a $275 value!

Diesel Decoder? Tell Me More!

Any one of a thousand fault codes can stop a truck. This tool can keep it going.

What Your Diesel Decoder Can Do:

  • Diesel Decoder is a Bluetooth and Wi-Fi enabled, plug-in diagnostic tool which communicates with smartphones and tablets using iOS and Android.
  • Read and clear fault codes on commercial trucks, view repair information for all fault codes, access live data, trip reports, and more.
  • This powerful and affordable tool plugs into any HD truck diagnostic port to deliver real-time data for all major heavy-duty truck makes in North America, including Freightliner, Peterbilt, Mack, Kenworth, Volvo, Western Star, International and many others.
  • Includes diagnostic port adaptor for Volvo and Mack.
  • Download and sync via Bluetooth the free Diesel Decoder smartphone app to view a wide range of vital diagnostic and trip data - at a fraction of the cost of other diagnostic tools. New features and upgrades are delivered directly to the app.
Explore all Diesel Decoder Features


Coverage includes all the common and not-so-common equipment you will run across in the off-highway diagnostic world. This covers all brands such as CAT, John Deere, Cummins, MTU, Perkins, Isuzu, Kubota, and many more.

Kit Contents

  • Cojali Jaltest adapter
  • 9pin/OBDII Cable
  • Power Pack
  • Cat 9 pin Cable(JDC505A)
  • Construction Equipment Dealer Level Diagnostics for 12-months
  • DTC Solutions Off-Highway Edition - Another exclusive Diesel Laptops product, this is the only known program that includes repair information for off-highway equipment fault codes. It also includes wiring diagrams, hydraulic schematics, and component locators.
  • Software Training - We offer free online training on software usage and functionality.
  • In-Class Room Training - All purchasers of this kit will receive a free voucher for one of our in-classroom experiences at our Diesel Technician Training Center. These are 1-day classes that are focused on real-world diagnostic training such as electrical and aftertreatment systems.
  • On-Line Training - Your purchase entitles you to one free online training course at Diesel Laptops University. This allows you to take ASE accredited training courses from the comfort of your home or office.
  • 30-Day Money-Back Guarantee - If you aren't happy with your purchase for any reason, you can return it within the first 30 days for a full refund of your purchase. 

Construction Coverage:

  • Astra
  • Atlas
  • Bae Systems
  • Bell
  • Bobcat
  • Bomag
  • Bosch Rexroth
  • Case
  • Caterpillar
  • Cometto
  • CVS Ferrari
  • Demag
  • Deici
  • Doosan
  • Fiat Kobelco
  • Gehl
  • Genie
  • Grove
  • GSS
  • Hamm
  • Hidromek
  • Hitachi
  • Hydrema
  • Hyster
  • Hyundai
  • JCB
  • JLG
  • John Deere
  • Kalmar
  • Kobelco
  • Komatsu
  • Kramer
  • Kubota
  • Kassbohrer Gelandefahrzeug
  • Liebherr
  • Linde
  • Link-Belt
  • Manitou
  • Max Com
  • Mercedes-Benz
  • Merlo
  • Multicar
  • New Holland
  • O&K
  • Oto
  • Perlini
  • Pettibone
  • Prinoth
  • Randon
  • Sandvik
  • Schaffer
  • Sennebogen
  • Sunward
  • Tadano Faun
  • Takeuchi
  • Terberg
  • Terex
  • Textron GSE
  • Tigercat
  • TLD
  • Uro
  • Volvo
  • Wacker Neuson
  • Weidemann
  • XCMG
  • Xtreme
  • Yanmar

Industrial Engine Coverage:

  • Caterpillar
  • Cummins
  • Detroit-MBE
  • Deutz
  • Doosan
  • Hino
  • Isuzu
  • Iveco-FPT
  • JCB
  • John Deere
  • Kohler
  • Kubota
  • Liebherr
  • Man
  • Mercedes-Benz
  • MTU
  • Perkins
  • Scania
  • Sisu
  • Steyr
  • VM Motori
  • Volvo Penta
  • Yanmar

Street Sweeper Coverage:

  • Ash
  • AUSA
  • Bucher
  • Cmar
  • Dulevo
  • Elgin
  • Eurovoirie
  • Hako
  • Johnston
  • Mathieu-yno
  • Piaggio
  • Ravo
  • Schmidt


Frequently Asked Questions

What happens after I've had this tool for a year?

This tool will revert to read-only mode unless you purchase an annual support package.

Does all my software stop working?

No, only the Jaltest software. All Diesel Laptops' exclusive software will continue to function for the life of the laptop.

What if I need some other cables?

We stock all available cables for off-highway engine specifics. Your kit will come with the cables for all commercial trucks and the vast majority of off-highway engines.


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!

Learn More

Diesel Repair Professional - One Year 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 free with your purchase.

What's Inside Diesel Repair?

Purchase this item today and get a free year of Diesel Repair Professional Edition, the HD industry's largest repair database.

Your One-Year Pass to Diesel Repair Professional Includes:

  • Truck Fault Codes – Tap into the largest code database in the industry to search for MID, PID, SPN, and 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.

Also Available for Purchase:

  • Equipment Fault Codes – Several hundred thousand repair documents for heavy equipment. We cover 3,000 ECMs including CAT, John Deere, Cummins, Volvo, Bobcat, Case, Deutz, Doosan, Genie, JLG, HINO, Isuzu, Challenger, Kobelco, Komatsu, New Holland, Perkins, Yanmar, ZF, and many more.

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