Mini Excavator N844LT Diesel Engine Assembly 44.7KW for Generator Sets
The N844LT is a SHIBAURA four-cylinder turbocharged diesel engine featuring a water-cooled, indirect injection (IDI) fuel system, a high-strength cast iron cylinder block and heat-resistant cast iron cylinder head, a high-toughness alloy steel forging for the crankshaft and connecting rods, and high-temperature alloy pistons. Its precise overall structure, with meticulously machined cylinder bores and main bearing seats, combined with a high-efficiency turbocharger and water-cooling system, ensures stable power, durability, reliability, and long-term high-load operation in small to medium-sized construction machinery, generators, and light power equipment.
Features and Advantages
• High Overall Rigidity – One-piece cast cylinder block and precision-fitted components reduce the risk of deformation.
• Thermal Stability – Cooling system and material heat treatment improve reliability for continuous high-temperature operation.
• Wear and Fatigue Resistance – Crankshaft and connecting rod structure with excellent durability and adaptability to complex operating conditions.
• High Turbocharging Efficiency – Turbocharging design enhances power output and reduces fuel consumption.
Application Areas
• Small construction machinery power systems
• Compact generator sets
• Agricultural machinery and light industrial equipment
• Construction machinery repair and power replacement
N844LT Cylinder Block and Engine Overall Appearance

SHIBAURA N844LT Diesel Engine Flywheel End View

N844LT Turbocharged Engine Side View

44.7KW N8444LT Diesel Engine Parameters
N844LT Engine Output Power 37kw-75kw Complete Machine Repair Parts



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.