SDEC was founded in 1947 and is a diesel engine manufacturer. They are ISO9001, QS9000 and TS16949 certified, which is testament to their quality and reliability.
SDEC 68kW Diesel Engine
Reliable Power and Better Airflow
The SDEC 4HT4.3-G22 engine features a modern 4-valve per cylinder layout that improves airflow and fuel mixing for a cleaner, more efficient burn. Paired with a responsive electronic governor, the engine adjusts its output immediately to match your power demands, ensuring steady frequency control when workshop tools or farming machinery switch on.
Engineered for Reliable Local Running
Built to handle the harsh climate variations of South African and Sub-Saharan regions, this engine uses a dry-liner block and a high-capacity water-cooled radiator to keep running temperatures stable. The lubrication system is built directly into the engine block, eliminating external lines to reduce the risk of oil leaks during extended power cuts.
Robust Build and Efficient Layout
Made with a high strength cast iron block and an integrated cylinder head, this engine uses premium components to handle challenging workloads. Its advanced 4-valve layout improves fuel efficiency and power delivery, making it a reliable choice for commercial, agricultural, and industrial backup setups.
Simplified, Easy Maintenance
The straightforward layout reduces mechanical complexity by cutting down on unnecessary parts. This keeps routine maintenance simple and less time consuming, ensuring the engine stays up and running when backing up critical local operations.
Key Technical Features
Efficient 4-Valve Build: The strong cylinder block and integrated head improve airflow and combustion to optimise fuel efficiency and extend engine life.
Precision Manufacturing: Built under the strict quality controls of SAIC Motor and verified by German automotive production standards for dependable consistency and performance.
Reliable Starting: Starts instantly without a pre-heater in temperatures down to -10°C, and handles extreme cold down to -30°C when using a heating device.
Clean Burning: Complies with Off-Road Stage II emission standards, ensuring a cleaner fuel burn and highly efficient consumption profiles.



