Autocar, LLC reported to the National Highway Traffic Safety Administration on October 21, 2026 that the remote fuel filter hoses on 1,339 of its trucks can separate from their fitting, which may leak diesel and stall the engine. The campaign is NHTSA recall 26V699000, and it covers 2022 to 2027 ACX trucks, sold under the Xpeditor name, that are fitted with Cummins L9 diesel engines.
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Owner letters are expected on December 17, 2026, and the repair is free.
Hoses that separate at the fitting
The recall subject line in NHTSA’s recall data reads “Fuel Filter Hoses May Disconnect and Leak Fuel,” and the defect text says the remote fuel filter hoses can separate from their fitting. The consequence is stated in two parts: a fuel leak near an ignition source raises the risk of fire, and an engine stall raises the risk of a crash. The record lists the affected engine part as Cummins part number D563027BX03, with Autocar campaign number ACX-2603 and Cummins number C7311, and it answers no to both fire risk when parked and a do-not-drive warning. The weekly roundup from ConsumerAffairs carries the same subject line and the 2022 to 2027 model-year span, and advises owners to contact a dealer as soon as possible because recall repairs are free.
The record gives no cause for the hoses coming apart, and nothing in it describes vibration or road conditions as the trigger. Autocar’s page for the ACX cabover calls it perfect for refuse collection and concrete pumping, and the company’s refuse truck pages describe the ACX among its refuse-focused models. NHTSA’s entry does not say how many of the 1,339 trucks carry refuse bodies. The Autocar pages reviewed never use the Xpeditor name, and the pairing of ACX with Xpeditor comes from the NHTSA record itself.
The fields reviewed include no incident, injury or fire counts, so the record does not show whether any truck has leaked fuel on the road. What it does show is a risk assessment: Autocar and Cummins treat the combination of a leak and a nearby ignition source as a fire hazard, and an engine stall on a loaded refuse truck as a crash hazard.
Remedy and owner timeline
Cummins will replace the fuel hoses at no charge, according to the recall data. Owner notification letters are expected to be mailed December 17, 2026, 57 days after the report was received on October 21. NHTSA’s page says a recall is issued when a manufacturer or the agency determines that a product creates an unreasonable safety risk or fails to meet minimum standards, that the defect must be corrected through repair, replacement, refund or, rarely, repurchase, and that owners are told by mail. The 1,339 figure is the record’s count of potentially affected vehicles, a population at risk and not a tally of trucks that have failed. Cummins is the party replacing the hoses, and the record lists its customer line ahead of Autocar’s: owners can reach Cummins at 1-800-286-6467 or Autocar at 1-888-218-3611. The NHTSA recall page is where a campaign number lookup by vehicle identification number is available. Because the recall has been filed by the manufacturer, it is a recall in progress, not a government order, and the remedy is not yet available through letters.
Two earlier hose recalls on the same engine family
The 2026 campaign is not the first hose recall on these trucks. Campaign 23V535000, reported July 31, 2023, covered 54 vehicles, certain 2023 ACX (Xpeditor) trucks with Cummins L9 diesel engines, and described the remote stage 2 fuel filter hoses as possibly damaged during production, with the hoses able to leak or disconnect. Cummins dealers were to replace both hoses, and owner letters went out September 28, 2023, according to a recall tracker’s summary. The same summary says that campaign expanded an earlier one, 23E-055.
The history goes back to 2021. Campaign 21V565000 covered certain 2022 Xpeditor vehicles with Cummins L9 engines that have remote stage 2 fuel filters and pressurized hoses, and its listing says a fuel leak may occur from the fuel hose between the fuel pump and the remote fuel filter head. The Consumer Recalls USA listing, an aggregator page, gives a free dealer repair as the remedy and states no unit count.
Whether the 2026 filing shares a cause with the 2023 one is not stated in the 2026 record, which describes only the separation at the fitting. The open question for fleets is how many of the 1,339 trucks already had their hoses replaced under the 2023 campaign, a count that NHTSA’s data does not break out. Of the campaigns with published unit totals, the 2023 recall covered 54 trucks against 1,339 in 2026, about 25 times as many, and the 2026 filing spans six model years where the 2023 one named a single model year.
This article was produced with the assistance of AI and reviewed by Morning Overview editors prior to publication.
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