What is the material of the piston?

The piston is made of high-strength alloy cast iron, featuring excellent high temperature and high pressure resistance.

Does the piston require modification for installation?

No, it is a genuine direct replacement that achieves a perfect match with EMD 645 series engines without any modification.

Grf Emd Engine Piston 8472778 8472779 for 645 Engine

Name: Grf Emd Engine Piston 8472778 8472779 for 645 Engine
Brand: Guangzhou Railway Locomotive Fittings Works Co., Ltd.
SKU: 2139232592

Guangdong, ChinaGuangzhou Railway Locomotive Fittings Works Co., Ltd.

US$1.00-10,000.00

10 Pieces

Product specifications

Diesel Engine Parts

Sample price:US$1000.00/piece.Request sample

Product profile

Customization

Available

Certification

ISO9001

Standard Component

Model NO.

8472778

Technics

Normal

Material

Alloy Cast Iron (High-Strength, Heat-Resistant Gra

Type

Heavy-Duty Two-Stroke Diesel Engine Piston

Brand

Grf

Cylinder Bore Compatibility

9-1/16 Inches (230.2 mm)

Stroke Compatibility

10 Inches (254 mm)

Piston Pin Diameter

3-3/4 Inches (95.25 mm)

Total Piston Height

15-1/4 Inches (387.3 mm)

Transport Package

Box

Specification

Standard

Trademark

GRF

Origin

China

HS Code

8545200000

Key features

Phosphate Coated Durability: Professional phosphate coating extends service life by 30% with enhanced rust and wear resistance.

Direct EMD 645 Replacement: Genuine direct replacement for EMD 645 series engines with no modification required during installation.

Heavy-Duty Alloy Material: High-strength alloy cast iron ensures structural stability under extreme high temperature and pressure conditions.

Wide Engine Compatibility: Compatible with V6, V8, V12, V16, and V20 EMD 645 series engines including GP, SD, and F series locomotives.

Multi-Industry Application: Suitable for locomotives, mining trucks, marine propulsion, and stationary power stations in harsh environments.

ISO9001 & IRIS Certified: Manufactured by a member of the Technical Committee of Diesel Locomotive Standardization with ISO9001 certification.

Low Maintenance Cost: High wear resistance reduces inspection frequency and downtime, lowering overall ownership costs.

Global Versatility: Universal replacement part applicable to railway networks and equipment in North America, Europe, China, and Australia.

Company profile

Management CertificationR&D CapabilitiesQA/QC InspectorsPatents Awarded

Guangzhou Railway Locomotive Fittings Works Co., Ltd.

Guangdong, China

Business Type: Manufacturer/FactoryExport Year: 2011-05-06Nearest Port: HUANGPUAverage Response Time: ≤2.14hTerms of Payment: T/T, PayPal, LCInternational Commercial Terms(Incoterms): FOB, EXW, CFR, CIF

AI-Powered supplier vetting

SummaryThe supplier demonstrates broad product-development and customization capabilities, including 3D software design, ODM, OEM, SDK availability, and multiple customization levels. It holds ISO9001:2015, ISO45001:2018, and ISO14001 certifications, and reports inventory capability, participation in the Berlin Rail Transit Exhibition, and international sales and support. However, it lacks written procedures or records for corrective actions and complaint handling, has no approved supplier list, overseas warehouse, overseas showroom, overseas agent or branch, and no valid manufacturing-capacity contract with an associated subcontractor. The supplier reported no new products in the past year. Evidence of customer cases is limited: it states no Fortune 500 cooperation but reports an 80%–100% repeat-buyer preference.

Supplier typeThe supplier presents itself as an international sales and support provider offering product selection, customization, after-sales support, technical consultation, testing, ODM, OEM, and SDK-related services. It also reports in-stock capability, but lacks overseas branches, agents, warehouses, showrooms, and a valid manufacturing-capacity contract with an associated subcontractor.

CertificationsThe supplier reports holding ISO9001:2015, ISO45001:2018, and ISO14001 management-system certifications. These certifications provide explicit evidence of formal quality, occupational health and safety, and environmental management systems.

After-Sales capabilityThe company description states that its international sales team supports product selection, customization, and after-sales service. However, the supplier has no written procedures or records for handling customer complaints or corrective and preventive actions, which is an explicit weakness in documented service management.

R&D capabilityThe supplier reports 10 R&D engineers, ODM services, SDK availability, 3D software design, and capabilities to develop, test, and inspect testing equipment. However, it also states that no new products were launched in the past year, so the evidence supports technical development capability but not recent product innovation.

Production capacityThe supplier reports inventory capability and proximity to Nansha Port, and it has participated in an offline trade exhibition. Nevertheless, there is no valid contract covering manufacturing capacity between the factory and an associated subcontractor, while the slices provide no complete production-capacity metrics.

Customization capabilityThe supplier explicitly offers 3D software design and customization from samples, designs, minor customization, full customization, and flexible customization. Its stated ODM, OEM, product-selection, and customization support further indicate broad customization coverage.

Product Q&A

Q:What is the quality assurance for GRF products?

GRF is a member of the Technical Committee of Diesel Locomotive Standardization of the Chinese Academy of Railway Sciences and holds ISO9001 (TUV Rheinland) and IRIS certificates.

Q:Are free samples available?

Yes, free samples are offered, but the shipping charges must be paid by the buyer.

Q:What is the delivery time for orders?

Generally, goods are sent within 15-30 days. For stock goods, they are sent within 7 days after receiving payment.

Q:What are the available loading ports?

The loading ports are Huangpu or Nansha port.

Q:What shipping methods are supported?

Shipping is available by sea, air, and land.