1W3728 4MF-721 Turbocharger Replacement for CAT 3306

This aftermarket 1W3728 4MF-721 turbocharger is a replacement unit for CAT 3306 engines found in Caterpillar D6G, 14G, and D6D applications. It is associated with OEM reference numbers 0R5759 and 187166, which help confirm fitment for your specific equipment. Verify your engine code and production year before ordering to ensure the correct turbo configuration and actuator details match your unit.

Key Specifications

• Part Number: 1W3728
• Product Type: Turbocharger
• Turbo Model: 4MF-721
• OEM Reference Numbers: 0R5759, 187166
• Gross Weight: 30 kg
• Packing Dimensions: 34 x 34 x 38 cm
• Application Clues: CAT 3306 engine, Caterpillar D6G, 14G, and D6D models

These factual data points help buyers verify the physical dimensions and weight for logistics planning. Use the listed OEM reference numbers to cross-check against your existing equipment documentation before confirming the order.

Application & Compatibility

Source application path clues for buyer verification. These are source category/application paths, not confirmed fitment claims:

• Caterpillar > CAT > CAT D6G 14G D6D > CAT 3306

This 1W3728 turbocharger is listed for CAT 3306 engine applications, including Caterpillar D6G, 14G, and D6D models. It is associated with OEM reference numbers 0R5759 and 187166, which serve as verification clues for your specific equipment. Use these reference numbers to cross-check against your existing unit documentation. Always verify the engine code, production year, and actuator configuration before ordering to ensure the correct replacement application.

Technical Notes

The 4MF-721 turbocharger is a fixed-geometry unit designed for heavy-duty diesel applications. It does not use variable-geometry turbine vanes. Buyers should verify the actuator type and related hardware configuration against their specific CAT 3306 engine setup. Confirm the actuator rod length and spring rate to ensure correct boost control. Technical fitment support is available to assist with these verification steps before shipment.

B2B Supply

LeadTurbo supports B2B buyers, repair shops, and fleet parts distributors with volume pricing for the 1W3728 4MF-721 turbocharger. Worldwide shipping is available to help manage logistics for this 30 kg unit. Our team provides technical fitment support to assist with verifying actuator details and OEM reference numbers 0R5759 or 187166 before shipment. Contact us to confirm your specific CAT 3306 application and request a quote.