McCormick XTX 185 Generations
Not sure which McCormick XTX 185 generation you have? It's usually tied to the build year range printed on your registration document. Pick the matching one below.
The McCormick XTX 185 range breaks down into 1 generations in our system, each one a separate branch with its own engines and, eventually, its own dyno-tested performance figures.
Frequently asked questions
Do all McCormick XTX 185 generations support the same tuning stages?
No — available stages depend on the specific engine in that generation, not the model as a whole. Once you pick your engine, its performance page shows exactly which stages apply.
Does turnaround time differ between McCormick XTX 185 generations?
Not meaningfully — most McCormick XTX 185 files across generations are handled within a few hours of upload, regardless of which ECU the generation uses.
Is my McCormick XTX 185 generation supported for safe remapping?
If it's listed in our catalogue, yes — every engine in every generation shown here has been worked before, with stage limits set to stay within that engine's mechanical margins.
How do I know which McCormick XTX 185 generation I have?
Check your vehicle registration document for the build year, or look up the chassis code — both narrow it down to one of the generations listed here.