The Mack LR Series offers more peak power (505 hp vs 500 hp), giving it an edge for heavy-haul and mountainous routes. The Mack LR Series starts at a lower base MSRP ($190k vs $200k), offering better entry-level value.
| Spec | Mack LR Series 4 available · from $89,900 | Peterbilt 520 60 available · from $127,500 |
|---|---|---|
| Engine Options | ||
| Engine options | Mack MP7, Mack MP8 | PACCAR MX-11, Cummins L9, Cummins X12 |
| Horsepower range | 325–505 hp | 260–500 hp |
| Peak torque | 1,860 lb-ft | 1,700 lb-ft |
| Weight Ratings | ||
| GVWR (max) | 66,000 lbs | 66,000 lbs |
| GCWR | 66,000 lbs | 66,000 lbs |
| Transmission Options | ||
| Transmissions | Mack mDRIVE HD 12-speed Automated, Allison 4500 RDS | Allison 4500 RDS, PACCAR Automated 12-speed (TX-12) |
| Dimensions | ||
| Wheelbase options | 4 options (157"–214") | 4 options (152"–212") |
The Mack LR Series offers more peak power (505 hp vs 500 hp), giving it an edge for heavy-haul and mountainous routes. The Mack LR Series starts at a lower base MSRP ($190k vs $200k), offering better entry-level value.
Both the Mack LR Series 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 Mack LR Series is built by Mack 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 Mack LR Series tops out at 505 hp / 1860 lb-ft torque. The Peterbilt 520 tops out at 500 hp / 1700 lb-ft. GVWR is 66,000 lbs for the Mack LR Series and 66,000 lbs for the Peterbilt 520.
TruckRadar has 64 Mack LR Series 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 | $190,000–$260,000 | $200,000–$280,000 |