HM615C Marine Engine Series

The HM615C Marine Engine Series is designed to deliver dependable power and consistent performance for marine propulsion applications. Featuring a six-cylinder, inline, water-cooled, four-stroke, direct-injection diesel configuration, the engine combines a robust construction with a turbocharged and intercooled intake system to support efficient combustion and reliable operation in demanding marine environments.

With a 9.726-litre displacement and rated power options of 202 kW, 230 kW, and 240 kW, the HM615C series accommodates different marine power requirements at rated speeds of 1,500, 1,800, and 2,100 rpm, respectively. Its two-valve-per-cylinder design, dry cylinder liners, and 17:1 compression ratio support dependable engine operation, while the electric starting system provides convenient starting and the specified fuel consumption rates offer benchmarks for operating efficiency.

The HM615C delivers maximum power outputs of up to 264 kW, depending on the operating speed, and features a firing order of 1-5-3-6-2-4. With an SAE 1 flywheel specification, a 26–27-litre oil sump capacity, and IMO Tier II emissions classification, the HM615C Marine Engine Series is a practical power solution for vessels requiring reliable diesel propulsion and consistent performance.

Key Features

• Six-cylinder, inline diesel engine

• Water-cooled, four-stroke, direct-injection design

• Turbocharged and intercooled intake system

• Two valves per cylinder

• 9.726-litre total displacement

• Rated power options of 202 kW, 230 kW, and 240 kW

• Rated speeds of 1,500, 1,800, and 2,100 rpm

• Maximum power output of up to 264 kW

• Electric starting system

• Dry cylinder liners

• IMO Tier II emissions classification

• SAE 1 flywheel specification

Technical Specifications

• Engine model: HM615C

• Engine type: Marine diesel engine

• Number of cylinders: 6

• Bore × stroke: 126 × 130 mm

• Total displacement: 9.726 L

• Rated power: 202 kW / 230 kW / 240 kW

• Rated speed: 1,500 / 1,800 / 2,100 rpm

• Maximum power and corresponding speed: 222 kW at 1,500 rpm / 253 kW at 1,858 rpm / 264 kW at 2,163 rpm

• Intake type: Turbocharged and intercooled

• Compression ratio: 17:1

• Valve configuration: 2 valves per cylinder

• Fuel consumption: 205 / 208 / 210 g/kWh

• Oil/fuel consumption ratio: 0.4% (as specified)

• Idle speed: 600 ± 50 rpm

• Firing order: 1-5-3-6-2-4

• Starting method: Electric start

• Smoke intensity: ≤1.0 Rb

• Noise limit: 105 dB

• Emissions classification: IMO Tier II

• Flywheel specification: SAE 1

• Oil sump capacity: 26–27 L

• Net weight: 1,080 ± 40 kg

• Dimensions (L × W × H): 1,940 × 830 × 1,170 mm