| Class 1 | Light duty | 0–6,000 pounds (0–2,722 kg) | Chevrolet Colorado/GMC Canyon, Ford Ranger, Honda Ridgeline FWD[12], Jeep Gladiator, Nissan Frontier, Toyota Tacoma |
| Class 2a | Light duty | 6,001–8,500 pounds (2,722–3,856 kg) | Chevrolet Silverado/GMC Sierra 1500, Ford F-150, Honda Ridgeline AWD[12][13][14], Ram 1500, Nissan Titan, Toyota Tundra |
| Class 2b | Light duty | 8,501–10,000 pounds (3,856–4,536 kg) | Chevrolet Silverado/GMC Sierra 2500, Ford F-250, Nissan Titan XD, Ram 2500[12][13][14] |
| Class 3 | Medium duty | 10,001–14,000 pounds (4,536–6,350 kg) | Chevrolet Silverado/GMC Sierra 3500, Ford F-350, Ford F-450 (pickup only), Ram 3500, Isuzu NPR[15] |
| Class 4 | Medium duty | 14,001–16,000 pounds (6,351–7,257 kg) | Chevrolet Silverado 4500HD/International CV, Ford F-450 (chassis cab only), Ram 4500[12], Isuzu NPR-HD,[15] |
| Class 5 | Medium duty | 16,001–19,500 pounds (7,258–8,845 kg) | Chevrolet Silverado 5500HD/International CV, Ford F-550, Ram 5500, Isuzu NRR,[15] Freightliner Business Class M2 106, Kenworth T170, Peterbilt 325 |
| Class 6 | Medium duty | 19,501–26,000 pounds (8,846–11,793 kg) | Chevrolet Silverado 6500HD/International CV, Ford F-650, Freightliner Business Class M2 106, International MV[16], Kenworth T280, Peterbilt 330, Mack MD |
| Class 7 | Heavy duty | 26,001–33,000 pounds (11,794–14,969 kg) | Autocar ACMD,[17] Freightliner Business Class M2 106, Ford F-750[18], Hino 338, International MV, Kenworth K370, Kenworth T380, Mack MD, Peterbilt 220 and 337/348 |
| Class 8 | Heavy duty | 33,001–80,000 pounds (14,969–36,287 kg) and above | Autocar ACX and DC; Volvo Truck VNL; Freightliner Cascadia, Business Class M2 112, 118SD, and EconicSD; Ford F-750; Hino XL8; International LT, HV, and RH; Kenworth T480, T680, T880, and W990; Mack Anthem and Granite; Tesla Semi; Nikola TRE, Pinnacle, and TerraPro; Peterbilt 389,[19] 579, and 520; Western Star 4800, 4900 and 5700; Pierce; E-One; Spartan; Ferrara; KME custom fire apparatus. |