North American Class 8 truck orders rose in September as fleets began shifting their attention to model-year 2027 equipment amid lingering uncertainty over emissions regulations and truck pricing.
Preliminary Class 8 net orders totaled 21,300 units in September, an 18% increase from August and 3% higher than the same month last year, according to FTR Transportation Intelligence.
While the month-over-month increase was smaller than the seasonal gain typically seen in September, FTR said underlying truck demand remained “fairly solid,” supported by fleet replacement needs, tight capacity and firmer freight rates.
Year-to-date Class 8 orders totaled 263,499 units through September, up 95% compared with the same period in 2025. Orders over the past 12 months totaled 351,244 units.
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September also represented an important transition for the heavy-duty truck market as manufacturers shifted their order books toward model-year 2027 equipment.
FTR said the EPA 2027 nitrogen oxide emissions-related pre-buy has ended, while surcharge-free model-year 2026 engine production slots are essentially sold out. Some truck manufacturers may have closed their 2026 order books in early to mid-August before opening books for 2027 models, potentially pushing some deferred orders into September.
At the same time, truck and engine manufacturers are taking different approaches to complying with upcoming emissions requirements, including whether to use nonconformance penalties, or NCPs.
The uncertainty could have significant cost implications for fleets.
Dan Moyer, FTR senior analyst for commercial vehicles, said NCPs could result in an estimated $6,000 to $7,000 pass-through cost to fleets for a Class 8 truck, compared with an estimated $8,000 to $12,000 upcharge for an engine that fully complies with the new emissions requirements.
“Truck and engine manufacturers have announced varying strategies for handling the emissions transition, and some have not yet made their plans clear,” Moyer said in a news release.
“The final EPA rule could still materially alter the economics of these strategies. Higher NCPs would narrow the cost advantage of current-generation engines while lower NCPs would make that pathway more attractive. That major issue, along with other potential changes, could affect 2027 engine availability, fleet acquisition costs, and the mix of technologies ultimately selected.”
Those decisions could ultimately affect engine availability, fleet acquisition costs and the types of engine technologies fleets select for 2027 trucks.
Pricing remains another question for the market. Manufacturers are opening model-year 2027 order books before EPA’s 2027 NOx regulation is finalized, meaning truck prices could change once the final rule is issued.
FTR said orders during the next month or two could remain near year-ago levels until fleets receive greater clarity on regulations and costs.
Why it matters: Truck demand remains relatively firm heading into the 2027 model year, but uncertainty over EPA emissions requirements and the cost of compliant engines could shape fleet purchasing decisions in the months ahead.
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