Machinery · 2026

The machine is sold in a day and lived with for fifteen years

Machine builders organise around the sale. The margin, the repeat order and the reputation are made in the fifteen years that follow — and nearly every decision that shapes those years is taken during design.

Where the money actually is

Across industrial machinery, after-sales services and spare parts typically contribute around a quarter of revenue — at margins commonly two to three times those of new equipment. Margins on standardised new machines are often estimated in single digits; the service business behind them is not. McKinsey’s aftermarket work puts the opportunity at up to 40% revenue growth for equipment manufacturers that run services as a business rather than a cost centre. And unlike order intake, service revenue is not cyclical: it follows the installed base, not the market.

Every service call was designed in

A service engineer who needs four hours to reach a wear part did not lose those hours in the field. They were lost on the drawing board, three years earlier. The same is true of the spare with an eleven-week lead time because one designer specified a single-source component, and of the fault that cannot be diagnosed remotely because nobody budgeted the sensor. Service cost is not an operating variable that the service organisation controls. It is a design output that only becomes visible after the warranty period ends.

1. 01

   Serviceability

   Wear parts reachable without dismantling the machine, against a defined tool list rather than improvisation.

2. 02

   Diagnosability

   Enough instrumentation to name the fault remotely, before a van is dispatched across the country.

3. 03

   Parts strategy

   Second sources and standard components wherever the design allows; long-lead items known at release, not at first failure.

4. 04

   Documentation

   One current version, in the operator’s language, matching the machine that actually shipped.

The handover decides the next order

Commissioning and the first months of operation form the customer’s opinion of the machine far more firmly than any specification sheet. A machine that reaches rated output in three weeks and one that reaches it in three months are, commercially, different products — even when they are mechanically identical. Ramp-up support, operator training and a named contact for the first quarter cost very little against the order value, and they largely decide whether the next tender is a competition or a formality.

Quality management is customer management

In machinery these are one function seen from two sides. A complaint is a quality signal with a customer attached; a warranty claim is a design review that arrived too late to be cheap. The builders that improve fastest close that loop deliberately: field failures are coded and carried into design reviews, the top five failure modes are a standing agenda item, and the service organisation has the standing to stop a shipment. None of that is a software problem. It is an organisational one — and usually the cheapest improvement available.

A useful test: ask how long it takes for a field failure to reach the engineer who designed the part. If the answer is measured in quarters, the loop is not closed.