The Deutz SD40B C3UI73S is a water-cooled, inline four-cylinder diesel engine developed by Deutz for small and medium-power machinery. It belongs to the SD series. This engine is primarily used in generators, agricultural machinery, construction machinery, and industrial equipment, and is renowned for its reliability and fuel efficiency.
Key Features
Compact and lightweight design – convenient for installation in space-constrained equipment
High Reliability – Continuing the Deutz durable design philosophy, suitable for high-load, long-duration operation
Energy-Efficient – High combustion efficiency and low fuel consumption
Low Noise and Vibration – Improved combustion and vibration isolation design enhance operator comfort
Easy Maintenance – Strategically located routine maintenance points and high component compatibility
Applications
Generators (Genset)
Small excavators, loaders
Agricultural machinery (tractors, harvesters)
Industrial pumps, air compressors
Frequently Asked Questions
Q1: What is your main products?
A1: We are specialized in the excavator engine spare parts, for example Main cylinder block, cylinder head, crankshaft, Engine assembly, piston, cylinder liner, piston ring, camshaft, connecting rod, oil pump, water pump, valve series products, movement, etc. almost all parts of the entire engine.
Q2: If I only know the excavator model, but can not offer parts No., what should I do?
A2: If possible, you can send us pictures of old products, name plate or the size for reference.
Q3: Can you accept sample order?
A3: Yes sure. We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost.
Q4: Do you test all your goods before delivery?
A4: Yes, we have 100% test before delivery.
Q5: How can I do if there is something wrong with the items?
A5: Our products have been professionally tested and the quality is very stable. If you really found something wrong, please contacts. We have a professional after-sales team to help you solve the problem.