Choose the Peterbilt 579 for OTR driver comfort — its 76" sleeper options exceed the International LT Series's 73" maximum. The Peterbilt 579 offers more peak power (605 hp vs 565 hp), giving it an edge for heavy-haul and mountainous routes.
| Spec | International LT Series 1661 available · from $10,000 | Peterbilt 579 1053 available · from $19,495 |
|---|---|---|
| Engine Options | ||
| Engine options | Cummins X15, International S13 | PACCAR MX-13, PACCAR MX-11, Cummins X15 |
| Horsepower range | 400–565 hp | 370–605 hp |
| Peak torque | 2,050 lb-ft | 2,050 lb-ft |
| Weight Ratings | ||
| GVWR (max) | 60,000 lbs | 80,000 lbs |
| GCWR | — | 220,000 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 | PACCAR Automated 12-speed (TX-12), Eaton Fuller 10-speed, Allison 4700 RDS |
| Dimensions | ||
Choose the Peterbilt 579 for OTR driver comfort — its 76" sleeper options exceed the International LT Series's 73" maximum. The Peterbilt 579 offers more peak power (605 hp vs 565 hp), giving it an edge for heavy-haul and mountainous routes.
Both the International LT Series and Peterbilt 579 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 Peterbilt 579 is built by Peterbilt. 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 Peterbilt 579 tops out at 605 hp / 2050 lb-ft. GVWR is 60,000 lbs for the International LT Series and 80,000 lbs for the Peterbilt 579.
TruckRadar has 2,714 International LT Series and Peterbilt 579 trucks available right now from dealers nationwide. Search by make, model, price, and location at truckradar.ai.
| Wheelbase options |
| 6 options (140"–270") |
| 7 options (210"–280") |
| Sleeper sizes | 56", 73" | 40", 52", 72", 76" |
| Pricing (estimated) |
| Base MSRP range | — | $135,000–$185,000 |