Yanmar 4TNV98T-SYUC Engine Overview
The Yanmar 4TNV98T-SYUC is a 4-cylinder, 3.318-liter, turbocharged
and aftercooled diesel engine, designed primarily for compact
construction equipment, agricultural machinery, and industrial
applications. Known for its compact size, fuel efficiency, and
reliable performance, it is widely used in machines where space and
emissions are critical considerations.
Featuring a mechanical direct injection fuel system combined with
turbocharging and aftercooling, the 4TNV98T-SYUC delivers enhanced
power output and fuel economy while meeting emission regulations.
Key Features & Benefits
Compact and lightweight design, ideal for tight installation spaces
Turbocharged and aftercooled for improved power and fuel efficiency
Mechanical direct injection system for simple maintenance
Low noise and vibration levels for operator comfort
Widely supported with global parts availability







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.