Engine Specifications
The engine model 4V222C (DX22) is a 12-cylinder V-type engine with a bore and stroke of 128 x 142 mm and a displacement of 21.9 liters. It features a common rail fuel system with direct injection controlled by an ECU, and uses a wet turbocharger and intercooler for aspiration. The flywheel housing is SAE #1 with a 14” flywheel. The engine complies with IMO Tier-III emission standards using an SCR after-treatment system, while IMO Tier-II does not require after-treatment.

Dimensions and Weight
The engine measures 1,914 x 1,323 x 1,346 mm and has a dry weight of 2020 kg.

Operating Conditions
The engine operates efficiently without a reduction in rating at intake air temperatures up to 45℃, sea water temperatures up to 32℃, and relative humidity up to 60%. Performance data is based on ISO 3046 standards with a tolerance of ±3%.

Power Ratings
The engine offers various power ratings depending on duty type:

• Continuous Duty: 596 kW / 810 PS at 1800 rpm
• Heavy Duty: 530 kW / 720 PS to 736 kW / 1000 PS at 1800 rpm
• Medium Duty: 809 kW / 1100 PS at 2100 rpm
• Light Duty: 846 kW / 1150 PS to 908 kW / 1235 PS at 2300 rpm

Key Features and Benefits
The engine complies with emission regulations (IMO Tier II/III, EPA Tier 3) and includes features such as an auto tensioner, CCV for engine room cleanliness, and an electrical oil drain pump. It offers a reduction in fuel consumption by an average of 5% through downsizing and provides a maximum 3-year warranty with an extended warranty option.

Contact Information
HD Hyundai Infracore Co., Ltd. is located at the HD Hyundai Group’s Global R&D Center in Korea. For inquiries, contact via phone at +82-32-211-1114 or email at [email protected]. More information is available at www.hd-hyundaiengine.com.