
Introduced in 1991, the FL-Series was the first all-new medium-duty conventional truck range in North America since 1980, built around a Mercedes-Benz LK cab.
Lead trim: Caterpillar diesel
Freightliner Business Class FL-Series1991–2007
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- 0sets it belongs to
Nobody in Burbles has spotted a Freightliner Business Class FL-Series yet. See one on the street, point the app at it, and the first card is yours — with your @handle permanently credited on this page.
FactIntroduced in 1991, the FL-Series was the first all-new medium-duty conventional truck range in North America since 1980, built around a Mercedes-Benz LK cab.
The Freightliner Business Class (FL-Series) is a range of medium-duty (Class 5–8) trucks that was assembled by the American manufacturer Freightliner Trucks from 1991 to 2007.
Collectors Spotted in the Freightliner Business Class FL-Series Lineage
No member has published a public street spot of the Freightliner Business Class FL-Series yet — the First · Worldwide stamp is wide open.
Trims & Figures
2 published trims in the catalogue. A blank is a figure not recorded, not zero.
| Trim | Years | Engine | Power | Torque | 0–60 | Drive | Gearbox | MSRP |
|---|---|---|---|---|---|---|---|---|
| Caterpillar diesel | 1991–2007 | — | — | — | — | — | — | — |
| Cummins diesel | 1991–2007 | — | — | — | — | — | — | — |
Owning one
An estimate, for the Caterpillar diesel trim: fuel on its EPA figure and a dated national price, upkeep on a per-mile average for the kind of car it is.
Owners’ builds
Nobody has claimed one yet.
Photographs

Rivals
Same body, same money, other badges — tap any card to flip.

The eM2 began as a 2018 prototype with a 230-mile range and entered full-scale production in 2023 as a variant of the M2 Plus.

The Sterling Acterra paired the L-Line cab with a Freightliner Business Class chassis for Class 5-8 medium-duty work.

For 2021 Kenworth added battery-electric versions of its cabover, the K270E and K370E, alongside the T680E.

In 2008 Kenworth replaced the medium-duty T300 with the Class 5-7 T170/T270/T370 family.

The T300 was Kenworth's first medium-duty conventional truck, a T600 adapted to the lower Class 7 weight rating.

When the 210 returned in 2011 it was built in Mexicali, Mexico, on the chassis of the 325 and 330, keeping only the DAF LF cab.

Kenworth sells the Peterbilt 220 low-cab COE as the K370, because the two PACCAR brands share the model.

Freightliner built a prototype diesel-electric hybrid on an M2 106 in 2006, and by 2011 the 1000th M2 hybrid had been produced.