The Peterbilt 679 is known for its powerful performance and fuel efficiency. Let’s delve into the engine options available for this heavy-duty truck and explore their key features and benefits. While the provided text focuses on the Peterbilt 567, this article will address the similar engine options likely found in the 679.
Powering the Peterbilt 679: A Range of Engine Choices
The Peterbilt 679 likely offers a selection of robust and efficient engines, including PACCAR and Cummins options, designed to meet the demands of various trucking applications. These engines are known for their reliability, durability, and advanced technologies that optimize performance and fuel economy.
PACCAR Engine Options: MX-13 and MX-11
The PACCAR MX-13 and MX-11 engines are popular choices for the Peterbilt 679, offering a balance of power and efficiency. They incorporate innovative technologies to minimize fuel consumption, reduce emissions, and extend service intervals.
- Fuel Efficiency: These engines utilize variable speed components and optimized combustion processes to maximize fuel economy without sacrificing performance. They deliver impressive horsepower and torque ratings, allowing the Peterbilt 679 to handle demanding loads with ease.
- Reduced Maintenance: Extended oil change intervals of up to 75,000 miles contribute to lower operating costs and increased uptime.
- Lightweight Design: The PACCAR MX-13 and MX-11 are designed to be lighter than comparable engines, potentially increasing payload capacity. The MX-13 boasts a significant weight savings compared to 15-liter engines, while the MX-11 is lighter than many 13-liter counterparts.
- Performance and Quiet Operation: Broad torque curves provide excellent pulling power and reduce the need for frequent shifting, contributing to a smoother and quieter ride.
Cummins Engine Options
Cummins engines, renowned for their reliability and performance, are likely also available for the Peterbilt 679. These engines offer a range of power outputs to suit different applications and may include options for alternative fuels like natural gas. Details for specific Cummins engine options available for the 679 would need further confirmation.
Transmission Technology: Enhancing Performance and Efficiency
Peterbilt equips the 679 with advanced transmissions designed to optimize performance and driver comfort. Automated transmissions like the PACCAR TX-18 (mentioned in the source text for the 567) or potentially the newer TX-12 PRO could be available, providing seamless shifting and enhanced fuel efficiency.
PACCAR TX-12 PRO: Advanced Features for Demanding Applications
The TX-12 PRO, while mentioned for the 567 in the source text, highlights Peterbilt’s commitment to advanced transmission technology. This automated transmission offers features that could potentially be found in the 679 as well:
- Dual PTO Functionality: This enables the truck to power multiple auxiliary equipment simultaneously, enhancing versatility.
- Extreme Duty Clutch: Improved low-speed maneuverability and handling of heavy loads.
- Rock-Free Mode: Assists in extricating the truck from challenging terrain like mud, sand, or snow.
- Off-Highway Calibration: Optimized shift points for off-road operations.
Conclusion: Peterbilt 679 – Power and Efficiency Combined
The Peterbilt 679 offers a variety of engine and transmission options designed to meet the needs of diverse trucking operations. Focusing on fuel efficiency, performance, and driver comfort, the 679 is a powerful and versatile truck capable of handling demanding tasks. While this article draws parallels from the Peterbilt 567 information provided, confirming specific engine and transmission availability for the 679 with official Peterbilt resources is recommended. Contact a Peterbilt dealer for the most up-to-date information on the Peterbilt 679 specifications and options.
