General Engine Design Information 25 Engine Features Feature Benefit VECTRO III - Volvo Engine Electronics System Engine Brake Control Coolant Warmhold Temperature Differentiated Speed Control Road Speed Limiter RPM Limiter PTO Speed Setting Engine Protection Cruise Control Idle Speed Setting Idle Shutdown Performance Bonus VECTRO III Diagnostics Ease of Troubleshooting Air-to-Air Charge Air Cooler Superior Fuel Economy Peak Performance Low Process Temperature Two-Piece Piston and Optimized Compression Ratio Minimum White Smoke Low Internal Friction Standard Exhaust Brake Efficient Braking on Grades Superior Temperature Control at Idle Quick Warm-Up Optional Volvo Engine Brake (VEB) Exceptional Engine Braking also at Low Engine Speed