Choose the International LT Series for OTR driver comfort — its 73" sleeper options exceed the Mack LR Series's 0" maximum. The International LT Series offers more peak power (565 hp vs 505 hp), giving it an edge for heavy-haul and mountainous routes.
| Spec | International LT Series 1661 available · from $10,000 | Mack LR Series 2 available · from $337,999 |
|---|---|---|
| Engine Options | ||
| Engine options | Cummins X15, International S13 | Mack MP7, Mack MP8 |
| Horsepower range | 400–565 hp | 325–505 hp |
| Peak torque | 2,050 lb-ft | 1,860 lb-ft |
| Weight Ratings | ||
| GVWR (max) | 60,000 lbs | 66,000 lbs |
| GCWR | — | 66,000 lbs |
| Transmission Options | ||
| Transmissions | International T14 14-speed, Eaton Cummins Endurant 11-speed, Eaton Cummins Endurant 12-speed, Eaton Cummins Endurant 18-speed, Eaton Fuller 10-speed, Fuller 10-speed, Fuller 13-speed, Fuller 18-speed, Eaton Cummins Endurant, Eaton Fuller, Fuller, International T14, Eaton Cummins Endurant | Mack mDRIVE HD 12-speed Automated, Allison 4500 RDS |
| Dimensions | ||
| Wheelbase options | ||
Choose the International LT Series for OTR driver comfort — its 73" sleeper options exceed the Mack LR Series's 0" maximum. The International LT Series offers more peak power (565 hp vs 505 hp), giving it an edge for heavy-haul and mountainous routes.
Both the International LT Series 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 International LT Series is built by International 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 International LT Series tops out at 565 hp / 2050 lb-ft torque. The Mack LR Series tops out at 505 hp / 1860 lb-ft. GVWR is 60,000 lbs for the International LT Series and 66,000 lbs for the Mack LR Series.
TruckRadar has 1,663 International LT Series and Mack LR Series trucks available right now from dealers nationwide. Search by make, model, price, and location at truckradar.ai.
| 6 options (140"–270") |
| 4 options (157"–214") |
| Sleeper sizes | 56", 73" | No sleeper |
| Pricing (estimated) |
| Base MSRP range | — | $190,000–$260,000 |