Off highway diagnostic tool

Bring your brand to life

Construction Equipment Diagnostics

Diagnose your construction equipment with confidence - Fast, Accurate, Dealer-Level Tools

We offer industry-leading diagnostic kits for construction equipment to keep your machines up and running - just like a dealership would.

Choose the kit that fits your needs:

  • Bring Your Own Laptop Kit - If you have your own Windows laptop
  • Complete Laptop Kit
  • Deluxe Kit (Includes +6 Cables)

Not sure which kits or cables you need?

We're here to help - book a quick call, start a chat, or call us at 1-866-756-8771 to confirm compatibility before you buy.

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      FAQ

      Diagnose Your Construction Equipment with Confidence

      Jaltest offers industry-leading construction and off-highway diagnostic tools designed to help you service your machines faster and more efficiently — just like the dealer would.

      Whether you're working on a dozer, grader, backhoe, wheel loader, skid steer, generator, or air compressor, Jaltest lets you:

      • Read and clear fault codes
      • Troubleshoot symptoms
      • View technical information like wiring diagrams and specs
      • Perform calibrations, regens, live measurements and much more

      👉 New to Jaltest? Visit our Construction Equipment Diagnostics page to see detailed coverage, supported brands, or check out our Jaltest Details page to see what sets Jaltest apart.

      Jaltest OHW is designed for off‑highway and construction machinery, including cranes, excavators, dumpers, stationary engines, street sweepers, and road maintenance vehicles.

      Visit our Construction Equipment Diagnostics page to see detailed coverage, supported brands

      The kit supports an extensive array of over 161 brands and 3,000+ models, including popular names like Caterpillar, John Deere, Volvo, Komatsu, Hitachi, Case, JCB, Bobcat, Doosan, Cummins, Deutz, Kubota, Liebherr, Hyundai, New Holland, Terex, and more

      Visit our Construction Equipment Diagnostics page to see detailed coverage, supported brands

      You can perform advanced dealer-level tasks like DPF regeneration, injector coding and calibration, system actuation and calibration, sensor and actuator parameterization, cylinder cut-out tests, hydraulic and transmission calibrations, and much more

      Jaltest OHW receives three software updates per year, ensuring continuous coverage of new brands, models, and systems—and keeping your diagnostics capabilities cutting‑edge

      While the kit includes the Link interface device and cables, you'll need a compatible rugged laptop or tablet with Windows. Our computer kits above come standard with a refurbished Panasonic CF31. Options for new rugged books and other refurbished options are available.