2024 MACK, MD7, Heavy Duty Trucks - Mixer Trucks / Asphalt Trucks / Concrete Trucks, CUMMINS B6.7, Automatic, Call Joel Di Pietro for price, details and availability. MINI-MIXER Utilizing a standard 4 yard barrel on a Mack MD7 chassis, the Mini-Mix will fit under a standard batch plant. NEW 2024 MACK MD7 (33,000 LB. GAWR) 300HP CUMMINS ISB6.7 - CARB + EPA CERTIFIED ALLISON 3000 RDS 6 SPEED AUTO (LIVE PTO) CHROME BUMPER, CHROME GRILL, CHROME MIRRORS VEHICLE CATEGORY Class 7 Medium Duty Trucks MODEL MD7 ENGINE TYPE: CUMMINS ISB6.7 TRANSMISSION TYPE: Allison 3000 RDS WHEEL BASE 206" CAB TO AXLE 143" FRONT AXLE (LBS) 12000 REAR AXLE (LBS) 21000 RATIO 5.57 SUSPENSION: Mack, 300 Horse Power, Air Ride Suspension, Aluminum Wheels, 206 Wheel Base, 11R 22.5, Axle, 5.57 Ratio, , VIN 1M2MDBAB9RS074645