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Tennant's robotics revenue jumps 71%. What holds back margins?

A tariff refund helped the Q3 recovery. Parts shortages and higher costs still held margins below last year, while the annual forecast stayed unchanged.

Illustration of a generic autonomous floor-cleaning machine in a quiet industrial corridor.
Illustration.

Tennant's robotics business brought in about $37.3 million in Q3, including cleaning machines and autonomy subscriptions. Across the company, revenue rose 6.2% to $322.3 million.

The floor-cleaning equipment maker is selling more, but parts shortages and higher costs are keeping its margins below last year's levels. A one-time $6.1 million tariff-refund benefit helped the latest quarter.

The refund explains part of the recovery

Gross margin, the share of revenue left after direct costs, was 42.3%, compared with 42.7% a year earlier. Tennant said it would have been about 40.4% without the refund. That was still above Q2's 39.5%.

The company reported $48.8 million in adjusted EBITDA, a profit measure before interest, taxes, depreciation, amortization and selected other costs.

Research by Ticker Byline shows that subtracting the refund benefit leaves $42.7 million on that measure. That is about 21% above Q2, but 14% below the year-earlier quarter.

Missing parts still disrupt production

Tennant attributed margin pressure to higher freight and material costs and parts shortages that made production less efficient. Technology, employee and robotics-development spending also weighed on adjusted profit.

Some costs of rolling out its new company-wide planning system are excluded from adjusted results. Ongoing technology and employee costs remain.

Orders rose 9.5% from a year earlier, and Tennant ended September with about $118 million of unfilled orders. Chief Executive Officer Dave Huml said parts shortages continued to limit shipments.

The annual target stays where August left it

Tennant kept its 2026 revenue forecast at $1.270 billion to $1.310 billion and its adjusted EBITDA forecast at $155 million to $170 million. In August, it had raised the sales outlook while lowering the profit range because margins were recovering more slowly than expected.

Reported net income rose to $19.5 million from $14.9 million a year earlier, while adjusted net income fell to $24.1 million from $27.3 million. Lower excluded legal and planning-system costs helped the reported profit comparison.

The Tennant company profile tracks the margin recovery, cash flow, annual expectations and completed distributor acquisitions.