Choose the Kenworth T680 for OTR driver comfort — its 76" sleeper options exceed the Mack LR Series's 0" maximum. The Kenworth T680 offers more peak power (510 hp vs 505 hp), giving it an edge for heavy-haul and mountainous routes.
| Spec | Kenworth T680 947 available · from $14,999 | Mack LR Series 2 available · from $337,999 |
|---|---|---|
| Engine Options | ||
| Engine options | PACCAR MX-13, PACCAR MX-11 | Mack MP7, Mack MP8 |
| Horsepower range | 355–510 hp | 325–505 hp |
| Peak torque | 1,850 lb-ft | 1,860 lb-ft |
| Weight Ratings | ||
| GVWR (max) | — | 66,000 lbs |
| GCWR | — | 66,000 lbs |
| Transmission Options | ||
| Transmissions | PACCAR Automated Transmission, PACCAR TX-18 | Mack mDRIVE HD 12-speed Automated, Allison 4500 RDS |
| Dimensions | ||
| Wheelbase options | 0 options (undefined"–undefined") | 4 options (157"–214") |
Choose the Kenworth T680 for OTR driver comfort — its 76" sleeper options exceed the Mack LR Series's 0" maximum. The Kenworth T680 offers more peak power (510 hp vs 505 hp), giving it an edge for heavy-haul and mountainous routes.
Both the Kenworth T680 and Mack LR Series 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 Kenworth T680 is built by Kenworth and the Mack LR Series is built by Mack. Both are Class 8 conventional tractors but differ in powertrain options, cab dimensions, dealer networks, and MSRP.
The Kenworth T680 tops out at 510 hp / 1850 lb-ft torque. The Mack LR Series tops out at 505 hp / 1860 lb-ft. GVWR is similar lbs for the Kenworth T680 and 66,000 lbs for the Mack LR Series.
TruckRadar has 949 Kenworth T680 and Mack LR Series trucks available right now from dealers nationwide. Search by make, model, price, and location at truckradar.ai.
| Sleeper sizes |
| 52", 76" |
| No sleeper |
| Pricing (estimated) |
| Base MSRP range | — | $190,000–$260,000 |