X15 565 HP Engine 17B 565 @ 1950 XPI DR7989RX

This heavy-duty inline-six diesel engine delivers 565 hp at 1950 rpm with XPI high-pressure fuel injection. Designed for advanced cooling, emissions control, and power demands in Class 8 truck applications.

• Displacement: 14.9 L (X15 series) 
• Rated Horsepower: 565 hp @ 1950 rpm 
• Peak Torque: Up to 2050 lb‑ft (2779 N·m) 
• Governor Speed: 1900 rpm (Performance Series) 
• Fuel System: XPI Common Rail (high-pressure direct injection) 

Additional Technical Details:

• Engine Type: Inline‑6, cast iron block and head, gear‑driven camshaft 
  Wikipedia
• Configuration: Turbocharged, aftercooled, with Selective Catalytic Reduction (SCR), Diesel Particulate Filter (DPF), and cooled Exhaust Gas Recirculation (EGR) 
• Dry Engine Weight: 2961 lb (~1343 kg)
• System Weight: 3152 lb (~1430 kg) including aftertreatment components (~191 lb) 

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