The Peterbilt 520 offers more peak power (500 hp vs 380 hp), giving it an edge for heavy-haul and mountainous routes.
| Spec | Freightliner 108SD 15 available · from $51,649 | Peterbilt 520 60 available · from $127,500 |
|---|---|---|
| Engine Options | ||
| Engine options | Cummins L9, Detroit DD8, Cummins B6.7 | PACCAR MX-11, Cummins L9, Cummins X12 |
| Horsepower range | 220–380 hp | 260–500 hp |
| Peak torque | 1,250 lb-ft | 1,700 lb-ft |
| Weight Ratings | ||
| GVWR (max) | — | 66,000 lbs |
| GCWR | — | 66,000 lbs |
| Transmission Options | ||
| Transmissions | Eaton Fuller, Eaton Fuller, Allison 2000 Series, Allison 3000 Series | Allison 4500 RDS, PACCAR Automated 12-speed (TX-12) |
| Dimensions | ||
| Wheelbase options | 3 options (108"–156") | 4 options (152"–212") |
The Peterbilt 520 offers more peak power (500 hp vs 380 hp), giving it an edge for heavy-haul and mountainous routes.
Both the Freightliner 108SD and Peterbilt 520 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 Peterbilt 520 is built by Peterbilt. 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 Peterbilt 520 tops out at 500 hp / 1700 lb-ft. GVWR is similar lbs for the Freightliner 108SD and 66,000 lbs for the Peterbilt 520.
TruckRadar has 75 Freightliner 108SD and Peterbilt 520 trucks available right now from dealers nationwide. Search by make, model, price, and location at truckradar.ai.
| Pricing (estimated) |
| Base MSRP range | — | $200,000–$280,000 |