2026 MACK MD7 equipped with a White River propane tank. Powered by a Cummins ISB 6.7L engine rated at 300 HP and paired with an Allison 2500RDS 6-speed automatic transmission for smooth, reliable operation in stop-and-go delivery routes. Built on a durable MD74 chassis with 12,000 lb front axle and 21,000 lb rear axle capacities, making it an excellent option for propane distribution and delivery operations.