Feature Freightliner M2 106 Plus International MV607 Kenworth T280 Mack MD6 Engine Cummins B6.7L (200–360 HP) Cummins B6.7L (200–360 HP) PACCAR PX-7 6.7L (220–300 HP) Cummins B6.7L (200–360 HP) Transmission Allison 2500 RDS 6-speed auto Allison 2500 HS or Eaton 6- speed auto Allison 2500 RDS 6- speed auto Allison 2500 RDS 6- speed auto GVWR Up to 66,000 lbs (set at 26,000 lbs for non-CDL) 17,999–37,000 lbs (non-CDL: 26,000 lbs) 26,000 lbs (nonCDL) 26,000 lbs (nonCDL) Liftgate 2,500–3,000 lb Maxon/GateLift 3,000–5,500 lb Dhollandia/Anthony 3,000 lb Maxon GPT 3,300 lb Maxon GPT-3 Box Dimensions 26' L × 102" W × 103" H 26' L × 102" W × 103" H 26' L × 102" W × 102" H 26' L × 102" W × 103" H Reinforced Floor Yes – Forklift-rated hardwood Yes – Forklift-rated hardwood Yes – Forklift-rated hardwood Yes – Forklift-rated hardwood + E-track Air Ride Suspension Yes Yes Yes Yes LED Lighting Yes Yes Yes Yes Collision Mitigation Detroit Assurance® (optional) Bendix Wingman/BlinkSpotter® (optional) Kenworth TruckTech+ ADAS (optional) Mack Road Stability Advantage (optional) Tires/ Rubber No more than 10% wear, 90% remaining. No more than 10% wear, 90% remaining. No more than 10% wear, 90% remaining. No more than 10% wear, 90% remaining.