Fuel Injector 10R-2827 for C-aterpillar 3512B Series - Product Details

The 10R-2827 Fuel Injector is a high-performance, OE-equivalent common rail fuel injector specifically developed for the C-aterpillar 3512B diesel engine series—one of the most robust and widely used heavy-duty engines in marine propulsion, large-scale mining operations, heavy-duty power generation, and industrial machinery. As a critical component of the engine’s fuel delivery system, the 10R-2827 is engineered with precision manufacturing techniques, premium-grade materials, and strict quality control protocols to meet or exceed Caterpillar’s original equipment standards. It boasts enhanced durability, superior fuel atomization, and exceptional operational stability, perfectly tailored to withstand the extreme pressure, temperature fluctuations, and corrosive environments that the C-aterpillar 3512B engine encounters in heavy-duty applications. Below are the comprehensive specifications, core features, and competitive advantages of the 10R-2827 injector, presented in 5 detailed tables with corresponding in-depth descriptions to fully showcase its technical excellence and unique selling points.

1. Basic Product Information & Compatibility

The 10R-2827 injector is exclusively engineered to perfectly match the C-aterpillar 3512B engine, a high-output diesel engine celebrated for its exceptional reliability and durability in the most demanding marine and industrial settings, such as offshore vessels, large mining trucks, stationary power generators, and heavy industrial machinery. As a genuine-quality new injector, it features full compatibility with the 3512B engine’s fuel system, marked with the part number 10R-2827 (or 10R2827 for simplified identification) and compatible with OE No. 249-0747 to ensure seamless replacement without any modifications. Its standard OE dimensions—37.21 cm in length, 14.53 cm in height, 8.12 cm in width, and a net weight of 3.2 kg—guarantee a direct fit, enabling quick and efficient installation that minimizes downtime and labor costs. Manufactured in a facility certified by CE, ISO 9001, TS 16949, ISO 2699-2018, and ASTM D6421-2020, each 10R-2827 injector undergoes strict quality control at every production stage, ensuring consistent performance and reliability across all units. Notably, it is compatible with standard diesel, low-sulfur diesel, and biodiesel blends up to B20, enhancing its versatility for various fuel quality conditions and application scenarios.

2. Core Performance Parameters

The 10R-2827 injector is engineered to deliver industry-leading performance that directly elevates the C-aterpillar 3512B engine’s functionality in high-demand scenarios. With an injection cycle life of at least 1,800,000 cycles under full load, it outperforms standard injectors, ensuring long-term reliability and minimizing downtime and replacement costs for equipment owners. Its ultra-precise fuel delivery accuracy, with a deviation of only ±0.2%, ensures that the engine receives the exact amount of fuel needed for each combustion cycle, eliminating fuel waste, optimizing power output, and reducing operational costs. The operating pressure range of 20-35 MPa is perfectly calibrated to the 3512B engine’s high-pressure common rail fuel system, providing stable fuel delivery even under extreme load conditions. The ultra-fine, uniform atomization with an optimized cone angle (18-24°) ensures complete fuel combustion, which not only lowers fuel consumption but also reduces harmful emissions such as nitrogen oxides (NOx) and particulate matter (PM), meeting global environmental standards. Additionally, its rapid response time of ≤ 0.0015 seconds ensures instantaneous fuel injection, resulting in smooth engine operation even under variable load conditions—critical for heavy-duty applications like marine propulsion and mining. The injector’s wide operating temperature range (-45°C to 125°C) allows it to adapt to the most extreme cold and high-heat environments, ensuring stable performance in all harsh working conditions.

3. Material & Construction Features

Every component of the 10R-2827 injector is crafted from premium, industry-leading materials to ensure exceptional performance and longevity in the harsh operating environments of the C-aterpillar 3512B engine. The injector body is made of 2205 duplex stainless steel—heat-treated and coated with an anti-corrosion layer—chosen for its superior strength, high-pressure resistance, and exceptional corrosion resistance (including saltwater corrosion for marine applications), outperforming traditional stainless steel materials like 316L. The nozzle is made of 316L stainless steel, a material renowned for its excellent corrosion resistance, and undergoes precision grinding, polishing, and mirror finishing to guarantee ultra-smooth fuel flow, a consistent spray pattern, and resistance to clogging, even when using low-quality diesel or biodiesel blends. The internal seals are made of PTFE (Polytetrafluoroethylene) rubber, which is highly resistant to high temperatures, pressure, all diesel fuels, biodiesel, and industrial chemicals, effectively preventing fuel leakage and ensuring reliable operation in extreme conditions. The plunger and intensifier body are made of chrome-plated 2605N duplex steel, precision-machined to minimize fuel dilution, ensure stable pressure transmission, and provide superior wear resistance compared to 2205 steel. The nozzle tip features a silicon carbide coating—an advanced ceramic material known for its exceptional heat resistance (up to 1300°C) and wear resistance—maintaining spray precision and performance throughout the injector’s entire service life.

4. Quality Testing & Quality Assurance

Quality is the core commitment of the 10R-2827 injector, and every unit undergoes 100% rigorous testing before leaving the factory to ensure it meets or exceeds Caterpillar’s OE standards. Using OE-grade manufacturing equipment and adhering to international standards such as ASTM D6421-2020, each injector is subjected to a spray pattern test, ensuring ultra-fine, uniform atomization without irregularities or dripping, and meeting the optimal spray cone angle for complete combustion. A full pressure leakage inspection, compliant with GB/T 18590-2008, is conducted to guarantee no fuel leakage at the maximum operating pressure of 35 MPa, as well as zero leakage during extreme temperature cycling tests, preventing engine damage and fuel waste. The fuel delivery test, calibrated with precision flow meters and following ISO 2699-2018, ensures that each injector meets or exceeds Caterpillar’s OE specifications for fuel delivery accuracy, with a deviation of only ±0.2%, ensuring consistent performance across all units. Additionally, a durability test according to ISO 7870-2015 confirms that the injector can withstand over 1,800,000 load cycles without performance degradation, even after extreme temperature cycling tests. To provide customers with complete peace of mind, the 10R-2827 injector comes with a 15-month warranty—longer than industry standards—covering all manufacturing defects and performance issues, backed by reliable after-sales support.

5. Installation & Operational Advantages

The 10R-2827 injector is designed with user-friendliness, reliability, and adaptability at its core, perfectly suited to the demanding operating conditions of the C-aterpillar 3512B engine. Its direct fit design—with identical OE dimensions—eliminates the need for modifications, adapters, or special tools, allowing for quick and straightforward installation that reduces installation time by 30% and lowers labor costs, ensuring error-free fitting and immediate restoration of engine performance. The injector is engineered to operate reliably in extreme environments, with a temperature range of -45°C to 125°C, and is highly resistant to saltwater, industrial corrosion, and chemical exposure, making it ideal for offshore marine applications, mining operations, and harsh industrial settings. With wear-resistant components, a mirror-finished anti-clogging nozzle, and tight PTFE seals, the injector requires minimal maintenance—easy to clean and service—reducing maintenance frequency by 40% and lowering long-term operational costs for equipment owners. Additionally, 24/7 professional technical support, on-site installation guidance, and online training are available, providing prompt assistance with installation, troubleshooting, and any technical queries, ensuring a seamless user experience. Its compatibility with standard diesel, low-sulfur diesel, and biodiesel blends up to B20 enhances its versatility, making it suitable for various fuel quality conditions and global application scenarios.

In summary, the 10R-2827 Fuel Injector is a premium 100% new common rail fuel injector exclusively designed for the C-aterpillar 3512B series engine, integrating precision engineering, premium duplex stainless steel and silicon carbide materials, strict quality control, and advanced performance features. It delivers exceptional reliability, fuel efficiency, and durability, outperforming standard injectors in terms of cycle life, fuel delivery accuracy, and extreme environment adaptability. As the ideal replacement for worn or outdated injectors, the 10R-2827 ensures optimal fuel delivery, improved engine performance, and extended service life, backed by a 15-month warranty and comprehensive after-sales support. Its compatibility with OE No. 249-0747, direct fit design, and fuel versatility make it the top choice for marine propulsion, mining machinery, heavy-duty power generation, and other industrial applications powered by the C-aterpillar 3512B engine.