The Volvo D13F Heavy-Duty Diesel Engine is an in-line six-cylinder, direct injection diesel engine engineered by Volvo Trucks for superior reliability, fuel efficiency, and compliance with stringent emissions standards. With a displacement of 12.78 liters (780 cubic inches), this engine meets EPA 2007 regulations (2.5g NOx and 0.1g PM maximum) through innovative technologies like cooled Exhaust Gas Recirculation (EGR) and a Diesel Particulate Filter (DPF), ensuring reduced NOx and particulate matter while maintaining high performance.
Key features include:
- Power and Torque Ratings: Available in configurations from 335–485 HP (250–362 kW) and 1,350–1,650 lb-ft (1,830–2,237 Nm) of torque, optimized for low-RPM operation to enhance fuel economy in regional and long-haul trucking.
- Advanced Turbocharging: Equipped with a Holset Variable Geometry Turbocharger (VGT) featuring a sliding nozzle ring for variable exhaust flow, supporting EGR functionality and engine braking up to 500 HP at 2,200 RPM.
- Emission Controls: Cooled EGR system with valve, cooler, and venturi for NOx reduction; paired with a DPF for particulate filtration, supporting passive, active, and manual regeneration modes to maintain efficiency and compliance when using Ultra Low Sulfur Diesel (ULSD).
- Fuel and Lubrication Systems: Electronic Unit Injectors (EUI) for precise fuel delivery, with primary and secondary filters including water separation; gear-driven oil pump with full-flow and bypass filters, oil cooler, and piston cooling nozzles for durability.
- Cooling and Management: Belt-driven coolant pump, electronically controlled fan, and Engine Electronic Control Unit (EECU) for adaptive operation, diagnostics, and maintenance alerts.
- Build and Dimensions: Cast iron cylinder block and head, wet replaceable liners, one-piece Monosteel pistons; overall dimensions of 136.6 cm (L) x 97.1 cm (W) x 128.1 cm (H), with a dry weight of approximately 1,143 kg (2,518 lb) including accessories.
Built on Volvo’s expertise in heavy-duty powertrains, the D13F integrates seamlessly with transmissions like the Volvo I-Shift, offering low maintenance intervals (e.g., up to 55,000 miles for oil changes with VDS-4.5 oil) and serviceability through tools like Premium Tech Tool. Ideal for fleets prioritizing trustworthiness and performance, this engine exemplifies Volvo’s commitment to engineering excellence and environmental responsibility.
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