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How mature is your plant's operating system?

Fifteen questions across the five lenses we assess on every diagnostic. You get a score, your weakest lens, and what plants at your level usually fix first.

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5lenses
15questions
1–5maturity scale
Toyota-trainedNUMMI · OMDD · TSSC
What we score

Five lenses. One system.

Most assessments audit departments. We score the plant as the Toyota Production System sees it: five things that either reinforce each other or quietly undermine each other.

Flow & CapacityDoes product move, and do you know what limits it?
Stability & QualityIs the work the same every shift, and does it stop for abnormality?
Management SystemDo leaders see problems today, not yesterday?
People & CapabilityCan the team run, and scale, a better system?
Material & SupplyIs material pulled to need, or pushed and expedited?
1 / 15
0.0 / 5
Your overall maturity

See your five-lens breakdown and what to fix first

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Your five lenses

What plants at your level usually find

Want the number, not just the score?

The Fourtre Plant Diagnostic puts two Toyota-trained practitioners on your floor for one week and hands you the package Friday morning: where performance is being lost, what it is worth in EBITDA, and the 90-day plan to capture it.

Talk to Monte

Self-assessment scores reflect what you told us, not what we observed. On the floor, scores usually land 0.5 to 1.0 lower.