The Yanmar 4TNV84T-GGFC is a 2.1L, four-cylinder, water-cooled, turbocharged diesel engine designed for 30–40 kVA generator sets. Characterized by high reliability, low fuel consumption, and stable operation, it is a classic Yanmar generator engine.
Typical Applications
- Diesel Generator Sets (Primary/Backup Power)
- Temporary Power Supply for Construction Sites
- Backup Power Supply for Factories and Commercial Use
- Agricultural/Fishing Power Systems (Modification)
Features
- High Reliability: The TNV series is renowned for its long life and durability.
- Turbocharging: Increases output power while maintaining a small displacement.
- Suitable for Generator Sets: Stable output power and low fuel consumption.
- Easy Maintenance: The mechanical injection system features a simple structure and is easy to maintain.
- Wide Application: Commonly used in 30–40 kVA diesel generators.





Frequently Asked Questions
Q1: What is your main products?
A1: We specialize in excavator engine spare parts, including main cylinder blocks, cylinder heads, crankshafts, complete engine assemblies, pistons, cylinder liners, piston rings, camshafts, connecting rods, oil pumps, water pumps, valve series products, and virtually all components for complete engines.
Q2: If I only know the excavator model, but can't provide part numbers, what should I do?
A2: You can send us pictures of your old parts, name plate information, or dimensions for reference.
Q3: Can you accept sample orders?
A3: Yes, we can supply samples if we have the parts in stock. Customers are responsible for the sample cost and shipping charges.
Q4: Do you test all your goods before delivery?
A4: Yes, we perform 100% testing before delivery to ensure quality.
Q5: What should I do if there's a problem with the items?
A5: Our products undergo professional testing for stable quality. If issues arise, please contact our professional after-sales team for prompt resolution.