MAN B&W Diesel L-V 32 / 40 DG

Bore 320 mm

The engine ratings given in the table are valid for natural gas with a methan number of 80-100. Energy consumption
tolerance +5%
Stroke 400 mm
Speed 750 / 720 rpm
Mean eff. pressure 19.9 bar
Piston speed 10.0 / 9.6 m/s
Engine type

750 rpm 50 Hz

720 rpm 60 Hz

Eng. kW

Gen. kW

Eng. kW

Gen. kW
6L 32/40 DG

2 400

2 315

2 310

2 230
7L 32/40 DG

2 800

2 700

2 695

2 600
8L 32/40 DG

3 200

3 090

3 080

2 970
9L 32/40 DG

3 600

3 475

3 465

3 345
12L 32/40 DG

4 800

4 655

4 620

4 480
14L 32/40 DG

5 600

5 430

5 390

5 230
16L 32/40 DG

6 400

6 210

6 160

5 975
18L 32/40 DG

7 200

6 985

6 930

6 720


Specific energy consumption   8 460 kJ/kWh
Pilot fuel consumption per hour   0.8 kg/cyl.
Fuel oil consumption in Diesel L 32/40 DG 195 g/kWh
Fuel operation 100 % P V 32/40 DG 194 g/kWh
Lube oil consumption in dual-fuel operation approx. 1.0 g/kWh
NOx-limits acc. to TA-Luft

Engine type

Length (mm)

Width (mm)

Height (mm)

Mass (t)
6L 32/40 DG

5 625

2 740

4 055

39
7L 32/40 DG

6 155

2 740

4 055

44
8L 32/40 DG

6 685

2 895

4 325

49
9L 32/40 DG

7 215

2 895

4 325

53
12V 32/40 DG

6 440

3 140

4 100

66
14V 32/40 DG

7 070

3 140

4 100

72
16V 32/40 DG

7 930

3 730

4 230

81
18V 32/40 DG

8 560

3 730

4 230

89


Engine Characteristics

Dual-fuel operation on Diesel fuel/gas.
High power concentration (similar to Diesel operation).
High efficiency (similar to Diesel operation).

Fields of application

  • Stationary installations,
  • Cogeneration plants,
  • Pumping and compressors systems.

Proven Diesel technology

  • Mature design,
  • High standards of production and quality assurance,
  • Certification to ISO 9001.

Convincing dual-fuel engine technology

  • Modular engine management system,
  • Pilot fuel injected into prechamber,
  • Electronically controlled hydraulic gas valves,
  • Optimized combustion chamber,
  • Extremely lean-burn gas/air mixture
    providing for minimum NOx emissions.

High economic efficiency by waste heat recovery. Ease of maintenance.

MAN B&W Diesel L-V 32 / 40 DG

MAN B&W Diesel L-V 32 / 40 DG