Tool comparison
Jaltest OHW is Cojali's diagnostic platform for off-highway equipment — construction, material handling, industrial engines, stationary and specialty machinery — covering a wide range of manufacturers with one tool and interface. It reads and clears DTCs, displays live data, runs actuator activations, calibrations, parameter settings, aftertreatment regenerations and ECU configuration across engine, hydraulic, transmission and electrical systems. Plant and equipment workshops use Jaltest OHW to service mixed fleets without separate brand tools, supported by Jaltest's technical data, wiring diagrams and guided diagnostics for listed machines, making it a practical single platform for diverse off-highory equipment.
CAT ET is the common shorthand for Caterpillar Electronic Technician, Caterpillar's dealer-level diagnostic and programming software for its electronic engines and machines. Using a Cat Communication Adapter, it retrieves active and logged fault and event codes, streams and records live data, executes diagnostic tests and sensor calibrations, sets configurable parameters, and flashes Cat ECMs via WinFlash. It spans Caterpillar on-highway, construction, mining, marine, industrial and generator applications. Technicians treat CAT ET as the essential tool for Caterpillar troubleshooting, ECM reprogramming and equipment configuration wherever OEM-level access to Cat control systems is required.
Jaltest OHW (Truck & Off-Highway Diagnostic, Cojali (Jaltest)) and CAT ET (Truck & Off-Highway Diagnostic, Caterpillar) compete in the same space, so the choice comes down to coverage, workflow and price for your specific ECUs. Jaltest multi-brand diagnostics for off-highway and construction machinery CAT Electronic Technician (Cat ET) service software for Caterpillar ECMs
Whichever you flash with, Softechpro Solutions auto-applies DPF/EGR/AdBlue/DTC-off modules and Stage patterns with automatic checksum correction across ~1,400 firmwares on Windows & macOS — the fast way to get the actual file edits done.
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