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- Description
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- Code map
- Contribute
- Competitive Models
- Manufacturer
- Send enquiry
- Vessels
- Spares
- Vendors
- Did you know
- Maintenance Schedule
- Specifications
Description
Yanmar 6N21AL-V — a 6-cylinder four-stroke engine with 210mm bore and variable timing. Used as main propulsion on smaller merchant vessels and large fishing boats.
Specifications
| Cycle | 4-Stroke |
| Bore | 210 mm |
| Cylinders | 6 |
| Fuel Type | MDO |
Did you know
- The Yanmar 6N21AL-V is part of the N21 series of marine diesel engines, which are widely used in the marine industry. Yanmar has a long history of engine manufacturing, dating back over a century, with the company developing the world's first small diesel engine in 1933.
- The 6N21AL-V is a 6-cylinder model within Yanmar's N21 series, which also includes 8-cylinder configurations like the 8N21AL.
- This engine is known for its durability, strong performance, and long service life, often utilized as an auxiliary engine to power ship generators, pumping systems, and other onboard equipment. It incorporates technologies like the ASSIGN Combustion System and High Pressure Miller Cycle System to improve fuel consumption and reduce NOx emissions, meeting IMO Tier II emission requirements.
| Model | Number of Cylinders | Cylinder Bore × Stroke (mm) | Rated Output (kW) | Engine Speed (min-1) |
|---|---|---|---|---|
| 6N21AL-V | 6 | 210 × 290 | 745-1020 | 720/750, 900/1000 |
| 8N21AL | 8 | 210 × 290 | Not specified in sources | Not specified in sources |
Competitive Models
G50ME-C is a MAN B&W 2S model, coded ^AAAA. Typical service: primary propulsion at sea; shaft drive to propeller. Instal…
G95ME-C is a MAN B&W 2S model, coded ^AAAE. Typical service: primary propulsion at sea; shaft drive to propeller. Instal…
G80ME-C is a MAN B&W 2S model, coded ^AAAD. Typical service: primary propulsion at sea; shaft drive to propeller. Instal…
S50ME-C is a MAN B&W 2S model, coded ^AAAF. Typical service: primary propulsion at sea; shaft drive to propeller. Instal…
S50MC-C is a MAN B&W 2S model, coded ^AAAQ. Typical service: primary propulsion at sea; shaft drive to propeller. Instal…
Spares
- 1Cylinder Liner — page under construction
- 2Piston — page under construction
- 3Fuel Injector Nozzle — page under construction
- 4Cylinder Head / Cover — page under construction
- 5Connecting Rod — page under construction
- 6Main Bearing — page under construction
- 7Bottom-End (Crankpin / Con-Rod) Bearing — page under construction
- 8Fuel Injection Pump — page under construction
- 9Fuel Injector (Complete) — page under construction
- 10Exhaust Valve — page under construction
- 11Inlet Valve — page under construction
- 12Piston Ring Set — page under construction
- 13Crankshaft — page under construction
- 14Camshaft — page under construction
Send enquiry
Send an enquiry to the manufacturer of ^AAEB 6N21AL-V. One broadcast per day.
Contribute or correct
Spotted a missing or incorrect entry? Let the maintainers know. Zulu Code is open under CC BY 4.0 — every correction strengthens the standard for the whole industry.
Code map
^A A E B │ │ │ └── Model: 6N21AL-V │ │ └───── Make: Yanmar │ └──────── Equipment: Main Engine └─────────── System: ME, Propulsion & Steering