MAN B&W L23/30H Spare Parts
MAN 23/30 Engine – Compact, Reliable, and Fuel-Efficient Auxiliary Diesel Engine
The MAN 23/30 engine is a medium-speed, four-stroke diesel engine designed and manufactured by MAN Energy Solutions. Renowned for its compact size, high reliability, and efficient performance, the MAN 23/30 is widely used as an auxiliary engine on a broad range of marine vessels and in stationary power generation systems.
With decades of proven performance, this engine is one of the most trusted and commonly installed auxiliary engines in global shipping fleets.
🔧 MAN 23/30 Technical Specifications:
Cylinder Bore: 230 mm
Piston Stroke: 300 mm
Engine Speed: 720 – 900 rpm
Output per Cylinder: ~180–210 kW
Total Power Output: Up to approx. 2,520 kW (12-cylinder version)
Engine Configurations: 5L – 12L inline
Fuel Type: Marine Diesel Oil (MDO), Marine Gas Oil (MGO), or Heavy Fuel Oil (HFO)
Specific Fuel Consumption: Approx. 195 g/kWh (depending on fuel and configuration)
Compliance: Meets IMO Tier II emission standards, with upgrade options for Tier III
✅ Key Features of the MAN 23/30 Engine:
Compact Design: Ideal for engine rooms with limited space; perfect fit as a marine auxiliary engine.
High Reliability: Proven in thousands of installations worldwide, including commercial cargo ships, tankers, and ferries.
Easy Maintenance: Modular construction and wide global availability of spare parts reduce downtime and maintenance costs.
Fuel Flexibility: Compatible with various marine fuels, supporting operational flexibility and environmental compliance.
Efficient Operation: Designed for optimized fuel consumption and low operational cost over the engine lifecycle.
🚢 Typical Applications of MAN 23/30:
Marine Auxiliary Engines: Used for electric power generation onboard ships (gensets).
Emergency and Standby Generators: In vessels and offshore platforms.
Land-Based Power Generation: Suitable for backup or continuous power in industrial plants and remote locations.
🌍 Why Choose the MAN 23/30 Diesel Engine?
With a legacy of efficiency and durability, the MAN 23/30 engine remains a go-to choice for shipowners and power plant operators looking for a cost-effective, reliable, and globally supported engine solution. Backed by MAN’s worldwide service network and vast spare parts availability, it offers long-term value and peace of mind.Below items are in our stocks.
Description Part No QTY
CONNECTING PIECE 51401-10H-224 3
PACKING RING 51404-10H-356 20
THRUST SPINDLE 51402-01H-069 4
THRUST PIECE 50502-01H-286 2
ORING 50501-01H-040 14
COOL WATER CONN 50501-01H-196 4
JOINT WASHER 51401-10H-070 28
SNAP RING 50501-01H-052 14
SPRING 51402-01H-082 7
Oring 50501-01H-338 14
SEALING SCREW 51403-03H-184 8
Spring Pin 50501-01H-159 6
ORING 50501-01H-184 100
SPRING 51401-10H-153 2
GASKET 51403-03H-160 8
DISC 50502-01H-441 2
ORING 51402-01H-116 30
ORING 51403-03H-064 12
ORING 51404-10H-189 20
CAP NUT 51402-01H-141 2
SECURING RING 51404-10H-307 2
SEALING RING 50501-01H-123 28
THRUST SCREW 50502-01H-298 2
NUT 50502-01H-095 10
PLUG 50502-01H-262 4
LOCKING WASHER 51404-01H-262 40
GEAR RIM 51401-10H-319 1
ORING 51401-10H-190 22
SPRING PIN 50501-01H-280 4
CONICAL RING 50502-01H-465 2
NUT 50501-01H-279 28
NOZZLE 51402-01H-033 LTO-BHE/E 7
SECURING RING 50502-01H-453 2
BEARING BUSH 50502-01H-573 2
STUD 50501-01H-231 4
ORING 51404-01H-130 20
ORING 50501-01H-351 20
ORING 50501-01H-363 50
NUT 50501-01H-255 10
ORING 51401-10H-236 20
SCREW 51404-01H-154 8
NUT 51403-03H-052 16
SEALING RING 50501-01H-147 100
WASHER 51402-01H-189 60
ORING 50510-01H-099 21
ORING 51403-06H-076 4
DISTANCE PIPE 55101-01H-243 2
ROTOCAP 55102-01H-477 6
NUT 51402-01H-104 7
SPRING 51401-10H-212 7
VALVE SPINDLE 50502-01H-512 12
VALVE GUIDE 50501-01H-218 14
GASKET 50510-01H-026 7
GASKET 50510-01H-075 14
FILTER ELEMENT 51404-03H-027 2
FO FILTER DUBLEX 51403-03H-015 1
SAFETY ELEMENT 51502-07H-025 2
Paper Element 51502-07H-013 12
INJECTION PIPE 51404-01H-010 3
