^AAAS — S70MC-C | Zulu Code

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Zulu Code Model

Description

S70MC-C is a MAN B&W 2S model, coded ^AAAS. Typical service: primary propulsion at sea; shaft drive to propeller. Installed on cargo ship, tanker, bulk carrier.

Specifications

Cycle	2-Stroke
Bore	700 mm
Power Output	22,789 kW
power source	Sailor Resume Median 6x 14pct Spread

Did you know

The MAN B&W MC/MC-C engine program, from which the S70MC-C originates, has been evolving since the early 1980s. The 'C' in S70MC-C denotes a compact engine design and camshaft-controlled fuel injection and exhaust valves.
The S70MC-C is part of MAN B&W's two-stroke engine portfolio, which encompasses bore sizes from 260 mm to 980 mm. Within the 'S' (super long stroke) series, it sits between smaller bore engines like the S60MC-C and larger ones such as the S80MC-C.
The S70MC-C is chosen for its balance of power and efficiency, offering proven, continuously upgraded technology. It is designed to meet IMO NOx emission limitations and can be optimized for specific fuel oil consumption.

Model	Bore (mm)	Stroke (mm)	Power/Cylinder (kW)	RPM (at L1)
S60MC-C	600	2400	2380 (approx)	90-105
S70MC-C	700	2800	3270	77-91
S80MC-C	800	3200	3880 (approx)	71-79

Sources: engine.od.ua; blogspot.com; man-es.com; al-tech.in; engine.od.ua

Competitive Models

Similar models from other manufacturers — apple to apple.

^AAEA 6EY26W

Yanmar 6EY26W — a 6-cylinder medium-speed four-stroke main engine with 260mm bore. Compact design for coastal tankers, f…

^AABH RT-flex58T-B

Wärtsilä RT-flex58T-B — an electronically controlled engine with 580mm bore for Panamax bulk carriers and medium tankers…

^AABM RT-flex96C

Wärtsilä RT-flex96C — the world's most powerful reciprocating engine. 960mm bore, up to 14 cylinders, producing 80,000+ …

^AABC RTA60C

Wärtsilä RTA60C — the camshaft-driven predecessor to the RT-flex60C. Reliable mechanical fuel injection with proven sea-…

^AARA UEC85LSII

Spares

Positions 1–12 are the same part on every engine and are safe to quote by code. 13 and 14 vary with cylinder count.

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 ^AAAS S70MC-C. One broadcast per day.

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Code map

^A  A  A  S
 │  │  │  └── Model: S70MC-C
 │  │  └───── Make: MAN B&W 2S
 │  └──────── Equipment: Main Engine
 └─────────── System: ME, Propulsion & Steering