North American Class 6–8 Truck Manufacturers
Heavy-Duty Landscape (GVWR 19,501–33,000+ lbs)
Class 6 (19,501–26,000 lbs GVWR)
- Ford – F-600 / F-650 (gas/diesel).
- General Motors – Chevrolet Silverado 6500HD / GMC Sierra 6500HD (diesel).
- Navistar (International) – CV Series (replaces TerraStar), MV Series.
- Isuzu – NPR-HD / FTR / FVR (cab-over, diesel).
- Hino – 195 / 195h / 238 / 258 / 268 (cab-over).
- Freightliner (Daimler) – M2 106 (lower GVWR configs).
Class 7 (26,001–33,000 lbs) & Class 8 (33,001+ lbs)
| Manufacturer | Brands | Key Models | Notes |
| Daimler Truck NA | Freightliner, Western Star | Cascadia, M2 112, 114SD, 49X, 57X | #1 market share (~40%) |
| PACCAR | Kenworth, Peterbilt | T680, T880, 579, 567, 389 | Premium, owner-operator favorite |
| Volvo Trucks NA | Volvo, Mack | VNL, VNR, VHD, Anthem, Pinnacle, Granite | Volvo + Mack = ~20% share |
| Navistar | International | RH, LT, HV, HX, MV | Now Traton (VW) owned |
| Isuzu Commercial Truck | Isuzu | FVR, FTR, NPR-HD (Class 6–7) | Cab-over specialist |
| Autocar | Autocar | ACMD, ACX, ACTT | Severe duty / vocational focus |
Emerging
- Nikola, Tesla (Semi), Volvo VNR Electric, Freightliner eCascadia, Peterbilt 579EV – battery-electric Class 8.
- Hyundai XCIENT Fuel Cell – hydrogen Class 8 (California).
Market consolidated: Daimler, PACCAR, Volvo/Navistar = 90%+ of Class 8.