Choose the Mack Pioneer for OTR driver comfort — its 76" sleeper options exceed the International LT Series's 73" maximum. The International LT Series offers more peak power (565 hp vs 515 hp), giving it an edge for heavy-haul and mountainous routes.
| Spec | International LT Series 1661 available · from $10,000 | Mack Pioneer 23 available · from $142,000 |
|---|---|---|
| Engine Options | ||
| Engine options | Cummins X15, International S13 | Mack MP13, Mack MP13HE |
| Horsepower range | 400–565 hp | 415–515 hp |
| Peak torque | 2,050 lb-ft | 1,950 lb-ft |
| Weight Ratings | ||
| GVWR (max) | 60,000 lbs | — |
| GCWR | — | — |
| 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, mDRIVE, mDRIVE HD, mDRIVE 12-speed, mDRIVE 13-speed, mDRIVE 14-speed, mDRIVE HD 12-speed, mDRIVE HD 13-speed |
| Dimensions | ||
Choose the Mack Pioneer for OTR driver comfort — its 76" sleeper options exceed the International LT Series's 73" maximum. The International LT Series offers more peak power (565 hp vs 515 hp), giving it an edge for heavy-haul and mountainous routes.
Both the International LT Series and Mack Pioneer 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 Pioneer 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 Pioneer tops out at 515 hp / 1950 lb-ft. GVWR is 60,000 lbs for the International LT Series and similar lbs for the Mack Pioneer.
TruckRadar has 1,684 International LT Series and Mack Pioneer trucks available right now from dealers nationwide. Search by make, model, price, and location at truckradar.ai.
| Wheelbase options |
| 6 options (140"–270") |
| 4 options (125"–189") |
| Sleeper sizes | 56", 73" | 44", 64", 76" |
| Pricing (estimated) |
| Base MSRP range | — | — |