Basic Info.
| Part no. | 6261-11-1100 | Material | steel |
| Type | Cylinder Head Assy | Part Type | Engine Parts |
| Compatibility | KOMATSU 6D140 | Transport Package | Wooden box |
| Trademark | DIRON | Origin | Luoyang City |
| HS Code | 84099991 | Production Capacity | 5000PCS/Year |
Product Details
- Item Model:6261-11-1100
- Date First Listed:2025/10/27
- Manufacturer:Diron Parts
Product Description
- Part Number:6261-11-1100
- Part Type:Cylinder Head Assy
- Description: Replacement Part Cylinder Head Assy 6261-11-1100 for KOMATSU 6D140, New






The Cylinder Head Assy 6261-11-1100 is a replacement part designed for aftermarket use in Komatsu machinery equipped with the 6D140 diesel engine. The brand name Komatsu is used solely as reference information to indicate compatibility and does not imply that this product is an OEM part.
Specifications:
- Part Number: 6261-11-1100 (also referenced as 6261111100 or PC6261111100)
- Part Type: Cylinder Head Assembly (typically complete, including valves, springs, and guides)
- Material: Constructed from high-quality cast iron for durability, heat resistance, and compatibility with high-performance diesel engines
- Weight: Approximately 150–250 lbs (68–113 kg), depending on configuration (complete assembly)
- Condition: New, aftermarket
- Features:
- Designed specifically for the Komatsu 6D140 diesel engine, a 12-cylinder, 14.6L inline engine with a precombustion chamber configuration
- CNC-machined to meet OEM specifications for precise fitment
- Pressure and vacuum tested to ensure quality and performance
- Engineered for high-pressure combustion and efficient airflow to support engine power output (typically 300–350 hp at 1,900–2,100 rpm)
Compatible Equipment Models:
This replacement cylinder head assembly is compatible with various Komatsu machinery equipped with the 6D140 diesel engine, including but not limited to:
- Dump Trucks: HD465-5, HD465-7, HD465-7E0
- Wheel Loaders: WA500-1, WA500-3
- Dozer Loaders: D155A-1, D155A-2
- Bulldozers: D155A-1, D155A-2, D155C-1
- Motor Graders: GD355A-1, GD405A-1
- Engines: 6D140, 6D140-1, 6D140-2, 6D140-3, S6D140-1, S6D140-2
- Serial Numbers: Varies by model; consult Komatsu service documentation for specific engine serial numbers (e.g., 6D140-2: 10001-UP)
NOTE: While this description provides general information about cylinder heads, specific details such as size, weight and exact material may vary by manufacturer and specific application. To obtain the most accurate and up-to-date information, it is recommended to consult a qualified parts supplier such as DIRON PARTS.
FAQ
Q1. What is your terms of packing?
A: Generally, we pack our goods in neutral white boxes and brown cartons. If you have legally registered patent, we can pack the goods in your branded boxes after getting your authorization letters.
Q2. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We’ll show you the photos of the products and packages before you pay the balance.
Q3. What is your terms of delivery?
A: FOB
Q4. How about your delivery time?
A: Generally, it will take 20 to 30 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.
Q5. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.
Q6. What is your sample policy?
A: 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.
Q7. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery
Q8. How do you make our business long-term and good relationship?
A:1. We keep good quality and competitive price to ensure our customers benefit ;
2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from
ABOUT DIRON
- Factory OF DIRON
Diron Parts Group Have Its Own Factory Ensure That We Offer Better Price For Customers. Besides, Diron Corporate With Some Reliable Principal Manufacturers, So Diron Also Supply Customer Other Quality Spare Parts.








- Team OF DIRON
With 18 years of manufacturing and exporting experience, Diron has a team of knowledgeable engineers, inspectors and technical workers, sales staff, after-sales personnel.


- Products OF DIRON
As a distributor, we supply parts covers for :Complete engines, Long block, Short block, Engine spare parts, Electricla products, Hydraulic products, Transmission products, Undercarridge products.Among them, Cylinder head, Cylinder block, Spacer-plate, Bushing & Pin are our best-selling products.




























