Freightliner MT45 Chassis – specifications
Series: MT45 Chassis
Build year not documented · Data origin: Official register · sources
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Freightliner MT45 Chassis – a step-van chassis from the Daimler Truck group: 5.9-litre six-cylinder engine, gross weight 6,000 to 7,258 kg, chassis lengths from 6,950 to 7,100 mm
Freightliner MT45 Chassis is a step-van (walk-in delivery) chassis from the American commercial-vehicle maker Freightliner, part of the Daimler Truck group, built among other places in Portland, Oregon and Mount Holly, North Carolina. As a bare chassis without its own body, the MT45 is designed for body builders who fit aluminium or steel box bodies for parcel, beverage and laundry services. The ULTIMASTER suffix denotes an equipment variant within the type.
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The register lists 3 versions with a 5.9-litre six-cylinder engine (5,883 to 5,900 cm³), kerb weights from 4,055 to 4,890 kg, gross vehicle weights from 6,000 to 7,258 kg, and chassis lengths from 6,950 to 7,100 mm with widths from 2,400 to 2,440 mm.
Step-vans built on the MT45 chassis are a common base for delivery vehicles across North America, used by parcel and courier services as well as beverage, laundry and trade businesses; the segment favours high volumes in local delivery work and light, often right-hand-drive box bodies for postal delivery.
For a used example, check the chassis and rust protection at the axle mounts and body attachment points, the condition of the automatic transmission and brake system, the tightness and floor condition of the given box body, and parts availability through the Freightliner dealer network under Daimler Truck North America.
Sources: SpecCodex register, model data: Freightliner MT45 Chassis, Freightliner Trucks (manufacturer)
What to check before buying
- Check the hour meter against the service records — a replaced instrument is the most common gap.
- Compare the data plate and chassis number with the papers.
- Ask about parts availability for this build year — the running costs hang on it.
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Other models in this series
Sources: vpic.nhtsa.dot.gov (retrieved August 2026) · Data sources and cross-checks
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