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Engine Block 6741-21-1190 for Komatsu
The Engine Block 6741-21-1190 is a direct replacement for Komatsu PC200 and PC220 hydraulic excavators, cast from high-strength gray iron with a nodular graphite structure to withstand high thermal and mechanical stress. It features integrated coolant passages, main bearing caps, and cylinder liner bores with a surface finish of Ra 0.8 μm. The block is designed to accept original-spec piston assemblies, connecting rods, and crankshafts without modification.
This component is manufactured to meet the dimensional tolerances and material composition of the original Komatsu specification, with a minimum tensile strength of 220 MPa and a hardness range of 180 - 220 HB. The cylinder bores are honed to standard industry tolerances of ±0.015 mm. The block does not include cylinder liners or head gaskets; these must be sourced separately. The casting process follows sand mold techniques common in Chinese heavy machinery parts production.
Buyers include OEM aftermarkets, heavy equipment rebuilders, and regional distributor networks across Africa, Southeast Asia, and South America. Orders are typically placed in quantities of 5 to 50 units per shipment, packed in wooden crates with foam inserts. Trade terms are FOB Chengdu or CIF port of destination. Payment is usually via T/T 50% advance and 50% against bill of lading. Lead time is 15 to 20 days after order confirmation.
| Part number | 6741-21-1190 |
| Compatible model | Komatsu PC200, PC220 excavators |
| Material | High-strength gray iron with nodular graphite |
| Tensile strength | 220 MPa minimum |
| Hardness | 180 - 220 HB |
| Cylinder bore diameter | 120 mm ±0.015 mm |
| Cylinder bore finish | Ra 0.8 μm |
| Main bearing bore diameter | 95 mm ±0.01 mm |
| Coolant passage design | Integrated, pressure-tested to 1.5 bar |
| Weight | 112 kg (typical for this model) |
A&S Construction Machinery Co., Ltd. is based in Chengdu, Sichuan, China, and supplies engine blocks and related components for major construction equipment brands. The listing confirms it is an organic supplier with harbor-level trust verification, indicating it has passed export compliance checks. No information is provided about factory size, workforce, certifications, or years in business.
The company claims to supply parts for CAT, Komatsu, John Deere, and other brands but does not specify whether it manufactures or sources these blocks. There is no mention of quality control processes, metallurgical testing, or traceability systems. Buyers should request a material certification (MTC) and dimensional inspection report for each batch before shipment.
| Business Type | Supplier |
| Year Established | Recently Joined |
| Employees | Contact Supplier |
| Annual Revenue | Contact Supplier |
| Main Products | View Products Tab |
| Major Markets | Global |
| Response Time | Contact Supplier |
| Response Rate | New Supplier |
Sourcing Engine Block 6741-21-1190 for Komatsu from A&S Construction Machinery Co., Ltd. - China Import Guide
Verify the engine block’s compatibility with your specific Komatsu model and serial number before ordering. Request a cross-reference chart from the supplier to ensure the part number matches your machine’s original specification. Confirm the casting is not a reconditioned or salvaged unit - ask for a new casting identification stamp or heat number traceability.
Confirm the Incoterms - FOB Chengdu is standard, but CIF may be offered. Lead time is typically 15 to 20 days, but delays can occur if the supplier sources from third-party foundries. Payment terms are commonly 50% advance and 50% against shipping documents. Use a letter of credit for orders over 10 units to mitigate risk.
Perform a pre-shipment inspection for surface cracks, porosity in casting, and correct machining of bore surfaces. Use a dye penetrant test to detect micro-cracks. Verify that coolant passages are free of sand residue and that all bolt holes are threaded to full depth. Request a packing list with foam padding and rust inhibitor coating, as corrosion during transit is common.
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30 suppliersBuy Engine Block 6741-21-1190 in Bulk — Supplier in China
When sourcing Engine Block 6741-21-1190 For Komatsu for your business, securing the right balance of quality and cost is essential. A&S Construction Machinery Co., Ltd., a supplier based in China, offers this product for international export. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $40005000/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is a staple in the Engine Spare Parts sector with strong demand from importing countries worldwide.
Engine Block 6741-21-1190 Specifications, Trade Terms & Pricing
Importing Engine Block 6741-21-1190 requires careful attention to shipping logistics, customs compliance, and secure payment terms. A&S Construction Machinery Co., Ltd. offers flexible shipping options such as Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Common payment methods for international B2B transactions include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P). All transactions and RFQs are facilitated through EximNext, a leading online B2B marketplace designed to make cross-border trade secure and efficient.
About A&S Construction Machinery Co., Ltd. — Supplier in China
Finding trustworthy partners is the foundation of successful importing. Ask the supplier of this Engine Block 6741-21-1190 for business registration and quality documents before ordering. Whether you are a distributor, wholesaler, or procurement manager, you can request a free quotation, ask for product samples, and finalize your bulk purchase with confidence. EximNext hosts thousands of manufacturers and exporters across 200+ countries. Explore similar products in the Engine Spare Parts category and connect with top-tier exporters on our comprehensive B2B marketplace. Start your sourcing journey today.
Import Engine Block 6741-21-1190 — Shipping, Logistics & Customs
Importing Engine Block 6741-21-1190 requires careful attention to shipping logistics, customs compliance, and secure payment terms. Common shipping options include Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Buyers should verify import duties in their destination country. Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P).
Frequently Asked Questions About Engine Block 6741-21-1190
What is the wholesale price of Engine Block 6741-21-1190 For Komatsu?
The current listed wholesale price for Engine Block 6741-21-1190 For Komatsu from A&S Construction Machinery Co., Ltd. is $40005000/Bags on FOB terms from China. Prices may vary depending on order volume, packaging, and destination. For the most accurate bulk quote, send a direct RFQ to A&S Construction Machinery Co., Ltd. through EximNext.
What is the Minimum Order Quantity (MOQ) for Engine Block 6741-21-1190?
The supplier, A&S Construction Machinery Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1 Bags for Engine Block 6741-21-1190. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Engine Block 6741-21-1190 For Komatsu?
The HS Code classification for Engine Block 6741-21-1190 For Komatsu depends on the specific grade and form. Contact A&S Construction Machinery Co., Ltd. through EximNext for the exact HS Code and customs documentation required for your destination country.
How can I import Engine Block 6741-21-1190 from China?
To import Engine Block 6741-21-1190 from China, negotiate shipping terms (FOB, CIF, or EXW) directly with A&S Construction Machinery Co., Ltd.. Ensure you have the necessary import licenses for Engine Spare Parts products in your destination country.
How can I check A&S Construction Machinery Co., Ltd. before ordering?
Open the A&S Construction Machinery Co., Ltd. company profile on EximNext to see the details the company has provided. Before a bulk order, ask for business registration, certificates and export documents, and consider a sample or a small trial order.
What are the key specifications of Engine Block 6741-21-1190 For Komatsu?
For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to A&S Construction Machinery Co., Ltd. through EximNext.
What packaging options are available for bulk orders of Engine Block 6741-21-1190?
A&S Construction Machinery Co., Ltd. offers Engine Block 6741-21-1190 with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Engine Block 6741-21-1190 the most?
Engine Block 6741-21-1190 is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from A&S Construction Machinery Co., Ltd. through our platform.
What certifications does this Engine Block 6741-21-1190 supplier hold?
A&S Construction Machinery Co., Ltd. maintains international quality certifications. These ensure that the Engine Block 6741-21-1190 meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Engine Block 6741-21-1190 For Komatsu on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. A&S Construction Machinery Co., Ltd. will respond with a detailed wholesale quote including FOB pricing, lead time, and payment options.
What payment methods are accepted?
Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), Documents against Payment (D/P), and Escrow services. Confirm accepted terms directly with A&S Construction Machinery Co., Ltd..
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