General Specifications:
The Volvo Penta Inboard Performance System (IPS) includes models IPS350, IPS400, IPS450, IPS500, and IPS600. These models feature engine displacements ranging from 3.7 liters (224 in3) for IPS350 and IPS400 to 5.5 liters (336 in3) for IPS450, IPS500, and IPS600. The engines are configured in-line with 4 cylinders for IPS350 and IPS400, and 6 cylinders for the others. Crankshaft power varies from 191 kW (260 hp) to 320 kW (435 hp) at 3500 rpm, while propshaft power ranges from 182 kW (248 hp) to 307 kW (418 hp). All models are turbocharged with aftercoolers, and some include compressors. The package weight ranges from 780 kg (1720 lb) to 901 kg (1986 lb).

Technical Features:
The engines are equipped with cast-iron cylinder blocks and heads, double overhead camshafts, and integrated cylinder liners. They feature a common rail fuel injection system, a seawater-cooled tubular oil cooler, and a thermostatically regulated freshwater cooling system. The electrical system includes a 115A marine alternator with Zener-diodes and an integrated charging regulator.

Electronic Vessel Control (EVC):
The EVC system integrates engines and electronics, offering features like Joystick Docking and Dynamic Positioning System. The pod transmission includes forward-facing, twin counter-rotating propellers and electronic steering.

Compliance and Applications:
The engines comply with IMO NOx, EU RCD Stage II, and US EPA Tier 3 emissions standards. They are suitable for twin/multiple engine installations in planing hulls, with a speed range of 17 to 45 knots.

Additional Information:
For more details, contact your local Volvo Penta dealer or visit their website. Note that not all models and accessories are available in all countries, and specifications are subject to change without notice.