MODEL LINEAGE

Kenworth T680 Generations & Model History

Kenworth introduced the T680 cab architecture in 2012 and launched the manufacturer-named T680 Next Generation in 2021. Buyers should still verify model year, build record, powertrain and installed equipment on the individual truck.

MODEL LINEAGEKenworth T680 Generations & Model HistoryGeneration, configuration and Class 8 model research

2012–2020 production context

Original T680 production

Earlier T680 trucks established the aerodynamic cab platform. Model-year updates, sleeper sizes, powertrains, controls and safety equipment vary throughout this long production era.

How to identify

Earlier hood, bumper and fairing treatment
Analogue/earlier-generation instrumentation depending on year
Build label and model-year records remain decisive

Verify on the truck

Exact engine and emissions generation
Transmission model and rear axle ratio
Cab/sleeper configuration and safety equipment

Open generation guide

Launched February 2021

T680 Next Generation

Kenworth uses the Next Generation name for the major 2021 redesign, including new aerodynamic bodywork and a 15-inch digital display. Options and powertrain availability still depend on the ordered build.

How to identify

Next Generation hood, bumper and aero treatment
15-inch digital display
Confirm by VIN, build sheet and model year rather than appearance alone

Verify on the truck

PACCAR or other installed engine and rating
Transmission and software/calibration history
Driver-assistance equipment actually installed

Open generation guide

Engine context

PACCAR MX-13 Cummins X15

Transmission context

PACCAR TX-12 Eaton Endurant

Compare

T680 Original vs Next Generation T680 vs Peterbilt 579

Verify the actual build

Truck Build Review VIN, labels & build sheets Truck Spec Sheet Builder

Sources & technical references

Primary manufacturer and government sources support the broad history and verification context. Specifications still need to be confirmed for the individual truck.

Kenworth — T680 Next Generation launch (February 2021)Kenworth — T680 product information Kenworth — T880 launch notes the T680 cab's 2012 introduction