2025 Western Star 47X Cab & Chassis - Ready for Your Custom Upfit Engine: Cummins L9, 370 HP, CA CARB Compliant Axles: 18,000 lb Front, 40,000 lb Rear Suspension: Hendrickson Primaax 46,000 lb Rear Wheelbase: 267 inches Rear Overhang: 112 inches Fuel Tank: 130 gallons Hydraulic Tank: 60 gallons Transmission: Allison 3000 RDS Automatic with PTO Provision This Western Star 47X is engineered for performance and customization, offering the perfect foundation for your specialized commercial trucking needs. With robust power and compliance features, it's set up for a seamless upfit to match your business demands.