Choose the Kenworth W990 for OTR driver comfort — its 86" sleeper options exceed the Mack Granite's 0" maximum. The Kenworth W990 offers more peak power (605 hp vs 505 hp), giving it an edge for heavy-haul and mountainous routes.
| Spec | Kenworth W990 64 available · from $66,000 | Mack Granite 231 available · from $36,000 |
|---|---|---|
| Engine Options | ||
| Engine options | Cummins X15, PACCAR MX-13 | Mack MP8, Mack MP7, Cummins L9N |
| Horsepower range | 400–605 hp | NaN–505 hp |
| Peak torque | 2,050 lb-ft | 1,850 lb-ft |
| Weight Ratings | ||
| GVWR (max) | 80,000 lbs | — |
| GCWR | 250,000 lbs | — |
| Transmission Options | ||
| Transmissions | Eaton Fuller 18-speed, PACCAR Automated 12-speed (TX-12), Eaton Endurant HD 12-speed | Mack mDRIVE HD |
| Dimensions | ||
| Wheelbase options | 3 options (244"–280") | 0 options (undefined"–undefined") |
Choose the Kenworth W990 for OTR driver comfort — its 86" sleeper options exceed the Mack Granite's 0" maximum. The Kenworth W990 offers more peak power (605 hp vs 505 hp), giving it an edge for heavy-haul and mountainous routes.
Both the Kenworth W990 and Mack Granite 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 W990 is built by Kenworth and the Mack Granite is built by Mack. Both are Class 8 conventional tractors but differ in powertrain options, cab dimensions, dealer networks, and MSRP.
The Kenworth W990 tops out at 605 hp / 2050 lb-ft torque. The Mack Granite tops out at 505 hp / 1850 lb-ft. GVWR is 80,000 lbs for the Kenworth W990 and similar lbs for the Mack Granite.
TruckRadar has 295 Kenworth W990 and Mack Granite trucks available right now from dealers nationwide. Search by make, model, price, and location at truckradar.ai.
| Sleeper sizes |
| 40", 52", 76", 86" |
| — |
| Pricing (estimated) |
| Base MSRP range | $170,000–$225,000 | — |