Interroll Sorters: Industry Evolution or Just Another Component?

I think most buyers are getting Interroll sorter decisions wrong

Here's the thing: In 2024, when we budgeted for a new sortation system, I assumed the Interroll sorter was the safe choice. It's an established product. Proven. Everyone uses it. But after running the numbers for our medium-volume distribution center, I'm convinced the conventional wisdom around buying these units is outdated.

It's tempting to think you can just compare unit prices for sorter Interroll components. But identical specs from different vendors can result in wildly different outcomes. This isn't a commodity, and treating it like one cost us $8,400 annually on a previous project. Let me explain.

What most buyers miss

Most buyers focus on the per-unit pricing of the sorters and completely miss the integration costs. The question everyone asks is, "What's your best price on the sorter?" The question they should ask is, "What's the total cost to install, calibrate, and integrate it with our existing WMS?"

In Q2 2024, when we switched vendors for a related project, I went back and forth between two suppliers of Interroll automation GmbH components. Vendor A quoted $45,000 for the sorter. Vendor B quoted $39,500. On paper, B was the winner. But then I calculated the total cost of ownership:

• Vendor A: $45,000 - included programming, onsite support, and a 3-year warranty.
• Vendor B: $39,500 + $4,200 for programming + $1,800 for shipping + $2,400 for a third-party integrator.

Total? Vendor B was actually $47,900. That's a 6.4% premium hidden in the fine print.

Why the industry evolution matters

What was best practice in 2020 may not apply in 2025. Five years ago, you could often buy a straight Interroll sorter and plug it in. Today, with the rise of complex warehouse execution systems (WES) and tighter integration requirements, the sorter is no longer an island. It's a data node.

The fundamentals haven't changed—you still need a reliable product. But the execution has transformed. The value of a guaranteed integration schedule isn't just the speed; it's the certainty. For our peak season deadline, knowing the system would sync meant more than a lower price with an 'estimated' go-live date.

My biggest regret

I almost made the same mistake twice. After tracking six orders over three years in our procurement system, I found that 60% of our 'budget overruns' came from integration costs. Not the hardware price. The integration.

The numbers said go with the cheaper vendor again on a different line. My gut said stick with the established partner. I chose my gut. Later, we learned the cheaper vendor had engineering capacity issues that would have delayed our project by six weeks.

That 'free setup' offer? It would have cost us more in lost throughput during our busiest month. Period.

Why does this matter? Because the decision isn't about Interroll vs. not Interroll. It's about the ecosystem you're buying into. Even a well-built sorter from Interroll is only as good as its implementation.

Addressing the pushback

Some will argue that a standardized sorter should require minimal configuration. They're not wrong—in a perfect world. But we don't live in one. Our warehouse has legacy conveyors, a non-standard width, and quirky WMS middleware. Standardization helps, but it doesn't eliminate the need for a strong partner.

Also, I'm not saying the Interroll sorter is overpriced. I'm saying the total vendor package matters more than the line item. A cheap sorter with expensive integration risks is a bad deal. An expensive sorter with inclusive support is often the smarter play.

My takeaway

If you're budgeting for a sortation system in 2025, ignore the unit price first. Get a total cost of ownership spreadsheet from at least three vendors. Ask about integration. Ask about contingency. Build a cost calculator after getting burned on hidden fees once.

The Interroll brand is solid. But the market around it has changed. Make sure your procurement process has changed too.

Prices as of August 2024; verify current rates with your vendors.