The Western Star 47X offers more peak power (565 hp vs 500 hp), giving it an edge for heavy-haul and mountainous routes. The Western Star 47X starts at a lower base MSRP ($145k vs $200k), offering better entry-level value.
| Spec | Peterbilt 520 60 available · from $127,500 | Western Star 47X 81 available · from $164,900 |
|---|---|---|
| Engine Options | ||
| Engine options | PACCAR MX-11, Cummins L9, Cummins X12 | Detroit DD13, Cummins X15 |
| Horsepower range | 260–500 hp | 350–565 hp |
| Peak torque | 1,700 lb-ft | 2,050 lb-ft |
| Weight Ratings | ||
| GVWR (max) | 66,000 lbs | 92,000 lbs |
| GCWR | 66,000 lbs | 160,000 lbs |
| Transmission Options | ||
| Transmissions | Allison 4500 RDS, PACCAR Automated 12-speed (TX-12) | Detroit DT12-V Vocational Automated, Allison 4500 RDS, Eaton Fuller 18-speed |
| Dimensions | ||
| Wheelbase options | 4 options (152"–212") | 4 options (175"–248") |
The Western Star 47X offers more peak power (565 hp vs 500 hp), giving it an edge for heavy-haul and mountainous routes. The Western Star 47X starts at a lower base MSRP ($145k vs $200k), offering better entry-level value.
Both the Peterbilt 520 and Western Star 47X 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 Peterbilt 520 is built by Peterbilt and the Western Star 47X is built by Western Star. Both are Class 8 conventional tractors but differ in powertrain options, cab dimensions, dealer networks, and MSRP.
The Peterbilt 520 tops out at 500 hp / 1700 lb-ft torque. The Western Star 47X tops out at 565 hp / 2050 lb-ft. GVWR is 66,000 lbs for the Peterbilt 520 and 92,000 lbs for the Western Star 47X.
TruckRadar has 141 Peterbilt 520 and Western Star 47X 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 | $145,000–$195,000 |