Cummins Power – Proven Performance and Smarter Efficiency.
At the heart of every journey lies the legendary strength of the Cummins engine.
Designed for heavy-duty performance, it delivers exceptional power with the advanced
XPI fuel injection system—ensuring optimal fuel efficiency and quicker response
across all load conditions.
Engineered with fewer parts and a lighter build, it means less maintenance and more
uptime. The load-based speed control enhances driving precision, while the
integrated engine brake provides superior control and safety on every descent.
Weichai Engine – Power Meets Precision.
The Weichai engine features a streamlined architecture designed for high performance
and long-term reliability. Its advanced XPI fuel injection system ensures precise
fuel delivery for greater efficiency and stronger torque response across all driving
conditions.
With intelligent load-based speed control, the engine seamlessly adapts to changing
demand — delivering smoother operation and improved fuel economy. The integrated
engine brake enhances control and safety on descents, making every journey more
confident and secure.
ZF Transmission – Smooth Shifting, Smarter Driving.
Equipped with advanced ZF MT/AMT transmission, the system delivers higher
transmission efficiency and a wide gear ratio range—ensuring powerful acceleration,
fuel savings, and optimal performance across diverse road conditions.
With intuitive operation and simplified handling, every shift feels seamless and
precise. Built to last, the transmission offers extended service life, helping you
drive farther with less downtime.
High-Performance Axle – Built for Efficiency and Safety.
Engineered for higher transmission efficiency, JAC heavy-duty axle system ensures
smoother power delivery and enhanced fuel economy. Safety-focused design ensures
minimized brake noise and stable braking performance, maintaining effectiveness even
under severe operating conditions.
Durable, reliable, and built to go the distance, it delivers longer service life
with lower maintenance needs.
Perfectly Tuned Powertrain for Long-Haul Excellence.
The K7’s precisely matched and meticulously tuned powertrain system delivers
outstanding efficiency, smooth performance, and long-lasting reliability — no matter
the load or distance. Engineered to meet the rigorous demands of long-haul
logistics, it ensures every journey is driven with confidence and built for success.
Modular Chassis. Smarter Design, Stronger Reliability.
The application of modular chassis technology ensures consistent quality and
exceptional reliability across every component. It also enhances design
flexibility—making upgrades and maintenance more efficient than ever.
Aerodynamics That Drive Efficiency.
The K7 has undergone extensive wind tunnel testing and iterative refinement to
optimize every detail for superior aerodynamics. With precisely engineered component
adjustments, the truck achieves an industry-leading drag coefficient of just 0.528.
This cutting-edge design not only reduces air resistance but also significantly
improves fuel efficiency — helping you go farther.
Less Downtime. More Drive Time.
With extended, synchronized maintenance intervals for key components, JAC K7 keeps
your fleet on the road longer—boosting uptime, reducing service costs, and
maximizing overall productivity.