Dealer-Level Diagnostics, Unlimited Training, Expert Support — No Limits. Starting at only $115/week!
Perform all Dealer-Level Commands for ALL Makes
USA-based Diesel/IT Support to Solve any Issue
Diesel Repair for Advanced Troubleshooting
Unlimited Diesel Training - Level Up Your Techs
Contact Our Team
Off-Highway Diagnostics Done Right
All Rights Reserved. Diesel Laptops ® 2025
Give us a call.
Every Kit Includes Exclusive Tools Only from Diesel Laptops
Freightliner
Blue Bird
Peterbilt
Kenworth
International
Mack
Sterling
Volvo
Western Star
Isuzu
Mitsubishi Fuso
Hino
Sprinter (All Models)
Dodge (RAM 2500 & up)
Ford (Diesel F250-F750)
GMC (C,T, & W Series)
UD (Nissan Diesel)
CAT on-highway engines
Cummins on-highway engines
Detroit on-highway engines
PACCAR engines
All ABS systems
All transmission systems
Thermoking
North American Market Manufacturers
- Join the over 35,000 other customers who have our kits!
Works with all makes & models of off-highway equipment including construction, generators, and agriculture.. Discover why Diesel Laptops has the right tool for the job, backed by a team that works as hard as you do.
Diesel Repair Pro Software
Diesel Repair Pro is the Wikipedia of both On-Highway and and Off-Highway information. Instantly access fault code information, repair docs, wiring diagrams, and much more.
Unlimited Diesel Training
From ABS to Aftertreatment, Electrical and beyond, get access to unlimited training for up to 5 technicians. Available in-person or online.
Jaltest Off-Highway Software
Cojali Jaltest OHW delivers comprehensive, all-makes diagnostics for your diesel-powered off-highway equipment. This powerful software allows you to read and clear fault codes, monitor live sensor data, and execute thousands of dealer-level functions whenever you need them. Your lifetime license provides access to advanced capabilities like sensor calibrations, injector programming, engine parameter adjustments, DPF regenerations, and much more.
World Class Support
Our team of over 50 US-based technical support agents can handle anything you throw at us, from simple technical issues to advanced diesel diagnostic roadblocks. Solve more problems in less time with our team of master technicians to guide you through it.
You'll Do More with Diesel Laptops
Claim Your Off-Highway Diagnostics Solution Today.
With Diesel Laptops in your corner, you'll serve more customers, increase your productivity, and handle more advanced diagnostic issues with ease. Get started today and experience the Diesel Laptops difference. Fill out this form and a member of our team will be in touch quickly.
Remember, the OHW kit can be yours for just from just $115/week!
Call to Speak With a Diesel Laptops Expert Right Now: (888) 983-1975.
Diesel Laptops - Your Partner for Off-Highway Diagnostics
Jaltest MHE Software
The Cojali Jaltest Material Handling Equipment (MHE) software is the only all-makes, all-models tool in the industry. This software goes beyond just reading & clearing codes. You can perform dealer level commands such as DPF & SCR regenerations, maintenance reset, joystick calibrations, load cell sensor calibrations, and thousands more.
Jaltest Agricultural Software
For farmers demanding fast, intuitive dealer-level diagnostics across their agricultural fleet, Cojali Jaltest AGV is the answer. This software supports a wide range of machinery, from tractors and harvesters to sprayers and balers. With a lifetime license, you gain access to powerful, multi-brand capabilities, including injector programming, DPF regeneration, transmission calibration, and much more.
Off-Highway kits come standard with tools and services designed to make any repair a breeze.
With rugged hardware, integrated repair information, world class support, full onboarding service, and a 60-day money back guarantee. The OWH Bundle operates with wide range of equipment applications.
Better tools means more productivity, faster repairs, and more satisfied customers. See what you can do with Diesel Laptops in your shop.
Kyle W. ⭐️⭐️⭐️⭐️⭐️
"Love diesel laptops!!! Works great y’all are the best!! Quality and tech support 10 out of 10."
Justin ⭐️⭐️⭐️⭐️⭐️
"One of the best I have ever used! I have been a heavy duty mechanic 13 years works with Cummins John Deere Cat Isuzu and more. This system is easy to use, navigate and understand. Have not had anything with a diesel I could not plug into and the customer service is 100%. Company got the system and after using it I’m willing to pay out of pocket to have my own. If you buy it you will never regret it."
Brad B. ⭐️⭐️⭐️⭐️⭐️
"Awesome! We have been very happy since we switched to Diesel Laptops. The techs said we should have bought it all from your company from the get go. PS. your support people are great."
Mark M. ⭐️⭐️⭐️⭐️⭐️
"Great! I work for a construction rental company and use this on a daily basis. Is the most useful item in my arsenal for diagnosing off road equipment."
All off-highway makes & models dealer-level diagnostic tool, paired with unlimited online and classroom diesel technician training, the Wikipedia of repair & parts information, and over 30 remote diesel techs standing by to assist you.
