We offer industry leading 24 month / 1,000 hour warranties on our engines and diesel generators.
The Baudouin 25kW Diesel Engine (4M06G25/5) is a liquid cooled four cylinder inline engine built to drive light commercial backup applications and premium residential systems. Part of the legendary Baudouin PowerKit platform, this 2.3 litre naturally aspirated block is engineered specifically to power 25kVA prime to 28kVA standby generating sets while maintaining a compact physical footprint.
Power Output: Supplies a maximum 25kW standby output at 1500 RPM (50Hz) and manages steep inductive load variances without hunting.
Naturally Aspirated Design: Utilises a clean air intake pathway to deliver smooth torque progression and stable frequency curves under sudden block loads.
Local Suitability: Features a rugged inline layout and a reliable 12V single battery electrical installation built to handle the high dust and extreme heat of African conditions.
Support & Delivery: Distributed across Sub-Saharan Africa by The Generator King with comprehensive technical support and immediate access to genuine OEM spare parts.
We offer delivery across Sub-Saharan Africa at the best prices.
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.
As a dedicated low displacement engine in the Baudouin PowerKit line, the 4M06G25/5 relies on standard atmospheric induction to provide consistent mechanical energy without the complexity of a turbocharger. This straightforward design makes it an excellent option for light commercial properties and large residential estates that require a space saving powerhouse that responds smoothly to sudden load connections.
Dependable Liquid Cooling for African Climates
The engine relies on a robust liquid cooling block that keeps internal temperatures fully stabilised during long operational periods. By managing heat distribution evenly across the four cylinder block, the cooling prevents hotspots, reduces friction wear and ensures smooth running under the heavy ambient heat conditions typical of regional African infrastructure grids.
Structural Strength and Governor Precision
Constructed with high strength components, this 2.3 litre engine is built to manage regular standby duties without straining. It comes equipped with an advanced electronic governor that monitors system speed continuously to keep electrical frequency stable. The simple mechanical design minimises maintenance overheads, allowing your operations to continue running smoothly with minimal on site intervention.
Key Technical Features
Durable Engineering: The heavy duty block configuration uses premium components to extend the operational service life and maintain excellent fuel economy.
Precision Manufacturing: Built under strict European quality controls to ensure structural uniformity and dependable performance across all operating conditions.
All Weather Quick Starting: The single battery 12V electrical system provides prompt engine starts in cold conditions and ensures instant readiness when utility power drops.
Clean Fuel Burn: Optimised internal combustion mechanics ensure efficient fuel utilisation, lowering total emissions and keeping running costs predictable.
PRODUCT SPECIFICATIONS
Weight
243 kg
Dimensions
108.5 × 56 × 76.6 cm
Brand
Baudouin
Product Type
Diesel Engine
Prime Power (kW)
22kW
Standby Power(kW)
24kW
Prime Power
23kVA
Standby Power
25kVA
Cylinders
Cylinders: 4, Valves: 8
Cylinder Arrangement
Inline
Bore × Stroke
89mm x 92mm
Displacement
2.3L
Thermodynamic Cycle
Diesel 4 Stroke
Mean Piston Speed (m/s)
4.6 m/s
BMEP @ ESP (Bar)
8.69 Bar
Cooling System
Liquid (water + 50% antifreeze)
Injection System
Direct Injection
Fuel System
Mechanical Pump
Aspiration
Naturally Aspirated
Compression Ratio
17.5 : 1
Flywheel Housing (SAE)
SAE NO.4
Flywheel Clutch Size (Inches)
7.5"
Teeth on Flywheel Ring Gear
104 Teeth
Inertia of flywheel (kg•m²)
0.24 kg•m²
Inertia of crankshaft (kg•m²)
0.039 kg•m²
Emission Standard
N/A
Air Intake Temperature Rise
≤ 5°C
Recommended Air Flow @ PRP (m³/min)
1.44 m³/min
Minimum Diameter of Intake Pipe (mm)
50mm
Aftercooler System Type
N/A
Oil Capacity (L)
High Level: 9.5 litres, Low Level: 7.1 litres
Oil pressure in normal condition at 1500 Rpm @ PRP (Bar)
2 Bar – 5 Bar
Maximum Oil temperature (°C)
115°C
Oil Flow at 1500RPM (L/min)
22 L/min
Total Heat Dissipation @ ESP (kJ/s)
48 kJ/s
Maximum Exhaust Back Pressure (mBar)
80 mBar
Maximum Exhaust Temperature Before Turbocharger (°C)
700°C
Maximum Exhaust Temperature After Turbocharger (°C)
N/A
Exhaust Gas Flow
5.32 m³/min)
Minimum Diameter of Exhaust Pipe (mm)
50mm
Maximum Bending Moment of Exhaust Gas Exit Flange (Nm)
10 Nm
Governor
Electronic Regulator
Governor Steady State Speed Stability at Constant Load (ISO 8528-5 Class G3)
≤ +/- 0.5 %
Fuel Supply Flow (L/hr)
40.2 L/hr
Fuel Type
Diesel Fuel Oil
Electrical System Voltage (negative to ground) (Vdc)
12Vdc
Starter Power (kW)
3kW
Battery Charger Current (A)
55A
Battery Charger Absorbed Power (kW)
0.8kW
Diesel Engine Noise (Acoustic Power Level) (dB(A))
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.
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.
