CATERPILLAR 398-4747 Pump GP-Diesel Exhaust Fluid 3984747

Caterpillar 398-4747 Pump GP-Diesel Exhaust Fluid – OEM-Grade Durability and Precision Performance

The Caterpillar 398-4747 Pump GP-Diesel Exhaust Fluid (DEF) is engineered to meet the rigorous demands of heavy-duty articulated dump trucks, asphalt pavers, and cold planers. Compatible with a wide range of Caterpillar models including the 3T9-725, 3T3-730, 2T4-730C2, and AC4-AP-1000F, this pump ensures optimal DEF delivery for efficient selective catalytic reduction (SCR) systems. Constructed from high-grade metallurgy and precision-engineered components, the pump features robust seals and corrosion-resistant materials designed to withstand extreme load conditions and harsh operating environments. Its compact design facilitates seamless integration into the DEF system, maintaining consistent flow rates and pressure to optimize exhaust fluid injection.

Technically, the 398-4747 pump incorporates advanced drivetrain mechanics that enhance reliability and reduce wear over extended service intervals. The pump’s internal components are calibrated for precise volumetric displacement, ensuring accurate dosing of diesel exhaust fluid to reduce NOx emissions effectively. This results in improved engine performance, compliance with environmental regulations, and extended engine life. The pump’s compatibility across multiple Caterpillar articulated dump truck series and paving equipment underscores its versatility and critical role in maintaining machine uptime and operational efficiency. OEM-grade quality guarantees that the 398-4747 pump meets Caterpillar’s stringent standards for durability and performance.

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