Choose the Kenworth T680 for OTR driver comfort — its 76" sleeper options exceed the Freightliner 108SD's 0" maximum. The Kenworth T680 offers more peak power (510 hp vs 380 hp), giving it an edge for heavy-haul and mountainous routes.
| Spec | Freightliner 108SD 14 available · from $51,649 | Kenworth T680 856 available · from $19,999 |
|---|---|---|
| Engine Options | ||
| Engine options | Cummins L9, Detroit DD8, Cummins B6.7 | PACCAR MX-13, PACCAR MX-11 |
| Horsepower range | 220–380 hp | 355–510 hp |
| Peak torque | 1,250 lb-ft | 1,850 lb-ft |
| Weight Ratings | ||
| GVWR (max) | — | — |
| GCWR | — | — |
| Transmission Options | ||
| Transmissions | Eaton Fuller, Eaton Fuller, Allison 2000 Series, Allison 3000 Series | PACCAR Automated Transmission, PACCAR TX-18 |
| Dimensions | ||
| Wheelbase options | 3 options (108"–156") | 0 options (undefined"–undefined") |
Choose the Kenworth T680 for OTR driver comfort — its 76" sleeper options exceed the Freightliner 108SD's 0" maximum. The Kenworth T680 offers more peak power (510 hp vs 380 hp), giving it an edge for heavy-haul and mountainous routes.
Both the Freightliner 108SD and Kenworth T680 hold strong resale value among owner-operators and fleets. Resale depends heavily on mileage, maintenance history, and regional demand — not OEM brand alone. Check current listings on TruckRadar for real-world asking prices.
No. The Freightliner 108SD is built by Freightliner and the Kenworth T680 is built by Kenworth. Both are Class 8 conventional tractors but differ in powertrain options, cab dimensions, dealer networks, and MSRP.
The Freightliner 108SD tops out at 380 hp / 1250 lb-ft torque. The Kenworth T680 tops out at 510 hp / 1850 lb-ft. GVWR is similar lbs for the Freightliner 108SD and similar lbs for the Kenworth T680.
TruckRadar has 870 Freightliner 108SD and Kenworth T680 trucks available right now from dealers nationwide. Search by make, model, price, and location at truckradar.ai.
| Sleeper sizes |
| — |
| 52", 76" |
| Pricing (estimated) |
| Base MSRP range | — | — |