Yanmar 4TNV98C-PXG 4-cylinder diesel engine - Powertrain for construction machinery
| State |
Brand New |
| Type |
4-cylinder, vertical, water-cooled, four-stroke diesel engine |
| Displacement |
3.319 L |
| Bore × Stroke |
98 mm × 110 mm |
| Rated Speed |
2400 rpm |
| Rated Power |
49.9 kW |
| Fuel System |
Mechanical injection system |
| Intake Method |
Naturally aspirated |
| Starting Method |
Electric start |
| Application |
Construction machinery, hydraulic equipment, generator sets, small construction machinery, agricultural equipment |
The Yanmar 4TNV98C-PXG diesel engine is a stable, emission-compliant power system suitable for various construction machinery and industrial equipment. This engine employs an optimized combustion chamber design and precision fuel injection control technology, ensuring strong output while maintaining low fuel consumption. Its compact structure, low vibration, and high reliability allow for stable operation under high temperature, high dust, and long-term continuous operation conditions, making it an ideal power source for various small and medium-sized machinery.
Features and Advantages
• High Power Output: Optimized combustion efficiency and a four-cylinder design provide stronger torque reserves and stable power.
• High Fuel Efficiency: A precision fuel injection system improves fuel utilization and reduces operating costs.
• Durable Structural Design: Key components utilize wear-resistant materials and reinforced structures to meet the demands of high-load, long-term operation.
• High Installation Versatility: Compact structure and standardized interfaces allow for compatibility with different equipment platforms.
• Easy Maintenance: A rational component layout allows for quick completion of routine maintenance tasks, reducing downtime.







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.