For Yanmar 3TNA68 Cylinder Head 3TNA68L Engine Head Assy Used for GW-270SS PDW240S Welder Generator Diesel Engine Parts

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For Yanmar 3TNA68 Cylinder Head 3TNA68L Engine Head Assy Used for GW-270SS PDW240S Welder Generator Diesel Engine Parts

Name: For Yanmar 3TNA68 Cylinder Head 3TNA68L Engine Head Assy Used for GW-270SS PDW240S Welder Generator Diesel Engine Parts
Brand: Guangzhou Yienn Motor Parts Co., Limited
SKU: 1600325303506_1
Price: 158.00 USD
Availability: InStock
Rating: 4.8 (100 reviews)

Product overview

Core functionalities

Applicable scenarios

Unique advantages

Combustion Chamber Management: Seals the combustion chamber and regulates airflow/exhaust in diesel engines, ensuring efficient fuel-air mixture combustion.
Engine Compatibility: Specifically engineered for Yanmar 3TNA68 diesel engines, supporting welder generators like GW-270SS and PDW240S.

Key features

1. Material Technology

With high-strength cast iron or aluminum alloy construction, ensure durability and efficient heat dissipation in diesel engine environments. ~15% lighter than traditional cast iron models

2. Interactive Design

With optimized valve port geometry and combustion chamber layout, improve airflow and combustion efficiency for enhanced engine performance. Supports up to 20% higher power output compared to standard designs

3. Performance Parameters

With precision-engineered compatibility for Yanmar 3TNA68 diesel engines, ensure seamless integration and optimal power delivery. Ensures 100% fitment with specified models

4. Scenario Solutions

Designed for continuous operation in commercial diesel engine setups like welder generators (GW-270SS/PDW240S), withstand heavy-duty use in industrial environments. Suitable for 24/7 operations

5. Certification Standards

Manufactured to OEM specifications, meeting Yanmar’s quality standards for engine parts. Ensures reliability and longevity

Product details

The Yanmar 3TNA68 Cylinder Head is a precision-engineered diesel engine component designed for the GW-270SS and PDW240S welder generators. Crafted from durable cast iron or lightweight aluminum, this cylinder head ensures optimal thermal management and combustion efficiency. With a 6-month warranty, it guarantees reliable performance in demanding environments.

Technical specifications

Feature	Specification	Benefit
Material	Cast iron or aluminum	Balances durability (cast iron) and heat dissipation (aluminum)
Compatibility	Yanmar 3TNA68 engine models	Direct fit for GW-270SS/PDW240S generators
Valve Design	3 combustion chambers with valve seats	Efficient air/fuel flow and pressure sealing
Warranty	6 months	Peace of mind for critical engine operations
Thermal Resistance	High-temperature tolerance	Withstands extreme engine conditions

Customization guide

Adjust valve seat hardness or cooling channel dimensions to meet specific thermal or performance needs. For example, increasing valve diameter enhances airflow in high-output applications.

Get inspired

With robust cast iron construction, you can ensure long-term durability in harsh environments. The lightweight aluminum variant reduces engine weight while maintaining heat dissipation, ideal for compact machinery.

Choose your model

Parameter	Base Model	Advanced Model	Pro Model
Material	Cast iron	Aluminum	Reinforced aluminum
Thermal Efficiency	Standard	+15%	+30%*
Valve Seat Hardness	58 HRC	62 HRC	65 HRC
Compression Ratio	18:1	19:1	20:1

Supplier's note

Technical Breakthroughs:
- Material Innovation: Reinforced aluminum in the Pro Model offers 20% lighter weight than cast iron while maintaining thermal stability.
- Valve Design: Enhanced valve seat hardness (up to 65 HRC) reduces wear by 40% compared to standard models.
- Cooling Efficiency: Advanced channel geometry improves heat dissipation by 25%, extending engine lifespan.
Optimal Version Selection:
- Base Model: Suitable for standard diesel generator maintenance in moderate environments.
- Advanced Model: Ideal for heavy-duty applications requiring lightweight and improved thermal performance (e.g., portable welder-generators).
- Pro Model: Designed for extreme conditions, such as industrial sites with high ambient temperatures. Its 20:1 compression ratio enables peak power output while maintaining reliability.

*Pro Model thermal efficiency exceeds industry benchmarks by 15%.

Frequently asked questions

Which Yanmar 3TNA68 cylinder head suits diesel engines in GW-270SS welder generators?
How do I clean carbon buildup on a Yanmar 3TNA68 cylinder head?
Cast Iron vs Aluminum: Which material is better for Yanmar cylinder heads?
Can I customize the Yanmar 3TNA68 cylinder head for higher compression?
Is the Yanmar 3TNA68 cylinder head certified for diesel engine safety?
Does the Yanmar 3TNA68 cylinder head fit PDW240S diesel generators?
What makes the Yanmar 3TNA68 cylinder head durable for heavy-duty use?
What’s the warranty period for Yanmar 3TNA68 cylinder head replacements?

Product comparison

Category	Usage Scenarios	Characteristics	Advantages	Disadvantages
Material	Heavy machinery, industrial engines	Industry: Cast Iron (ASTM A48 Class 30B) Our Base: Aluminum (ASTM B211 Grade 356-T6) ▲ Our Advanced: Aluminum + ceramic coating (SAE J1292) ▲▲	Base: 30% lighter than cast iron (ISO 3833); Advanced: 2x thermal resistance (ASTM E1047)	Industry: 15kg heavier; Advanced: 20% higher cost due to coating process
Weight	Portable generators, mobile equipment	Industry: 15kg (ISO 3833) Our Base: 12kg ▲ Our Advanced: 11kg ▲▲	Base: Easier transport; Advanced: 27% lighter than industry standard	Industry: Better structural stability; Advanced: Risk of wear in heavy-duty use
Thermal Efficiency	High-temperature engines	Industry: 85% efficiency (SAE J1027) Our Base: 88% ▲ Our Advanced: 92% ▲▲	Base: Reduces overheating risks by 15%; Advanced: 20% cooler operation (ISO 15140)	Industry: Sufficient for standard loads; Advanced: Requires premium lubricants
Compatibility	Universal engine applications	Industry: Model-specific (ISO 3095) Our Base: Yanmar 3TNA series ▲ Our Advanced: Universal fit (SAE J1939) ▲▲	Base: Direct fit for Yanmar engines; Advanced: Adapts to 90% diesel engine types	Industry: Limited to specific models; Advanced: Requires adapter kits for some engines
Durability	Long-running industrial use	Industry: 2,000 hours (ISO 8528) Our Base: 2,500 hours ▲ Our Advanced: 3,000 hours ▲▲	Base: 25% longer lifespan; Advanced: 50% fewer maintenance stops (ASTM D5338)	Industry: Adequate for short-term use; Advanced: Higher upfront cost
Warranty	Commercial and industrial warranties	Industry: 12 months Our Base: 18 months ▲ Our Advanced: 24 months ▲▲	Base: 50% longer coverage; Advanced: 100% coverage for material defects	Industry: Standard coverage; Advanced: Requires registration for full warranty