Baudouin 740kW Diesel Engine 6M31G825/5

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Bradley: +27 62 743 5089 | bradley@sdecpower.co.za
Ruan: +27 66 511 2009 | ruan@sdecpower.co.za

We offer industry leading 24 month / 1,000 hour warranties on our engines and diesel generators.

The Baudouin 740kW Diesel Engine (6M31G825/5) is a vertical inline six cylinder engine designed for high capacity power supply in commercial and industrial operations. This 18.5 litre model provides the mechanical power for heavy duty 750kVA diesel generators.

  • Power Output: Supplies a maximum 740kW standby output at 1500 RPM (50Hz) and manages heavy block loads smoothly.
  • Advanced Injection: Utilises high pressure common rail fuel delivery and dual stage aftercooling to sustain frequency stability.
  • Starting Performance: Features a 24V twin battery starting network and a 10kW cranking motor for fast engine activation.
  • Support & Delivery: Distributed by The Generator King with expert technical assistance and direct availability of genuine OEM spare parts.

We offer delivery across Sub-Saharan Africa at the best prices.

LEADING GENERATOR MANUFACTURER

Baudouin was founded in 1918 and is a premier diesel engine manufacturer. They are ISO9001, ISO14001 and ISO45001 certified, which is testament to their quality and reliability.

GENERAL SPECIFICATIONS

Baudouin 740kW Diesel Engine

High Displacement Power Generation

The 6M31G825/5 forms part of the large Baudouin engine range, utilising an 18.5 litre displacement to handle substantial electricity requirements. This model is engineered to deliver high kilowatt output continuously, making it suitable for large commercial sites and industrial applications.

Temperature and Flow Maintenance

An integrated liquid cooling system maintains stable internal engine temperatures during extended operational cycles. By circulating fluid uniformly around the six cylinder block, the layout prevents thermal stress and lowers component wear under high demand.

Electronic Management System

The engine uses an advanced Engine Control Unit to monitor running conditions and regulate engine speed. This layout prevents frequency drops during sudden load additions, while the mechanical configuration ensures clean access for routine maintenance and filter changes.

Key Technical Features
  • Combustion Efficiency: The combination of electronic control and optimised fuel delivery ensures clean fuel burn and manageable operating costs.
  • Production Quality: Engineered under strict European quality standards to ensure uniform mechanical output across all configurations.
  • Reliable Starting: The heavy duty 10kW cranking motor delivers dependable engine starts in cold conditions without auxiliary heating.
  • Turbo Charged Induction: Uses forced air induction and air to air aftercooling to maximise torque delivery and maintain stable performance.

PRODUCT SPECIFICATIONS

Weight 1627 kg
Dimensions 223.4 × 140 × 174.2 cm
Brand

Baudouin

Product Type

Diesel Engine

Prime Power (kW)

680kW

Standby Power(kW)

740kW

Prime Power

750kVA

Standby Power

825kVA

Cylinders

Cylinders: 6, Valves: 24

Cylinder Arrangement

Inline

Bore × Stroke

149mm x 177mm

Displacement

18.5L

Thermodynamic Cycle

Diesel 4 Stroke

Firing Order

1-5-3-6-2-4

Mean Piston Speed (m/s)

8.9 m/s

BMEP @ ESP (Bar)

32 Bar

Cooling System

Liquid (water + 50% antifreeze)

Injection System

Direct Injection

Fuel System

High Pressure Common Rail

Aspiration

Turbo Charged with Aftercooler

Compression Ratio

14 : 1

Flywheel Housing (SAE)

SAE NO.1

Flywheel Clutch Size (Inches)

14"

Teeth on Flywheel Ring Gear

141 Teeth

Inertia of flywheel (kg•m²)

2.05 kg•m²

Inertia of crankshaft (kg•m²)

1.13 kg•m²

Emission Standard

N/A

Air Intake Temperature Rise

≤ 15°C

Minimum Diameter of Intake Pipe (mm)

150mm

Aftercooler System Type

Air to Air

Oil Capacity (L)

High Level: 60 litres, Low Level: 42 litres

Oil pressure in normal condition at 1500 Rpm @ PRP (Bar)

3.5 Bar – 5.8 Bar

Maximum Oil temperature (°C)

125°C

Oil Flow at 1500RPM (L/min)

295 L/min

Total Heat Dissipation @ ESP (kJ/s)

992.7 kJ/s

Maximum Exhaust Back Pressure (mBar)

100 mBar

Maximum Exhaust Temperature Before Turbocharger (°C)

830°C

Maximum Exhaust Temperature After Turbocharger (°C)

680°C

Exhaust Gas Flow

144.5 m³/min

Minimum Diameter of Exhaust Pipe (mm)

190mm

Maximum Bending Moment of Exhaust Gas Exit Flange (Nm)

18 Nm

Governor

ECU

Governor Steady State Speed Stability at Constant Load (ISO 8528-5 Class G3)

≤ +/- 0.5 %

Fuel Supply Flow (L/hr)

800 L/hr

Fuel Type

Diesel Fuel Oil

Electrical System Voltage (negative to ground) (Vdc)

24Vdc

Starter Power (kW)

10kW

Battery Charger Current (A)

80A

Battery Charger Absorbed Power (kW)

2.2kW

Diesel Engine Noise (Acoustic Power Level) (dB(A))

117.6 dB

Fuel Consumption @ 100%

156 l/h

Fuel Consumption @ 75%

113 l/h

Fuel Consumption @ 50%

77 l/h

Fuel Consumption @ 25%

42 l/h

Category:
A partner in power generation

World Class Manufacturing, Fast Regional Distribution

The Generator King is the sole authorised distributor of StromerPower Alternators in Sub-Saharan Africa. By dealing with us directly you cut out the middlemen, saving you time and money.

Every engine, alternator, and spare part we supply is built to international standards and fully tested to handle tough conditions. Whether you are a local generator builder looking for a StromerPower alternator, a diesel engine, OEM spare parts or a business needing a complete power setup, we ensure fast delivery, large stock availability and reliable performance.

STROMERPOWER FACTORY |  MANUFACTURING & ASSEMBLY LINE

Our Delivery Channels

Sub-Saharan Logistics

We ship StromerPower alternators, leading brand diesel engines and OEM diesel generators as well as OEM spare parts throughout South Africa and across the continent, including Namibia, Botswana, Malawi, Mozambique, Zambia, Zimbabwe, Swaziland, and Lesotho.

Our team handles the entire logistics process, from factory  loading to cross border transport, ensuring your equipment arrives safely and on time.

We hold a large volume of stock and genuine replacement parts at our warehouses so we can supply clients across Africa quickly and efficiently.

FREQUENTLY ASKED QUESTIONS

Does the price include installation?

No, installation is not included in the price. Any qualified electrician can install the kit and provide a Certificate of Compliance (COC) for the installation as per legislation.

Do you offer installation?

No, we do not offer any installation services, but, any qualified electrician can install our products.

Does the price include delivery?

Delivery is not included in any of the prices. However, delivery will be calculated in your cart at checkout based on your location and product selection.

Tell me about the Warranty

Our product warranty  is detailed on each product page and as per our standard terms along with a valid COC. It is a limited warranty.

Price validity

All pricing is valid while stocks last as reflected on your quotation, as specified therein.