2026 Peterbilt 589 – Smokey Mountain Blue – 565HP X15 – 18 Speed – Full Lockers – Built to Work
Finished in bold Smokey Mountain Blue, this 2026 Peterbilt 589 is built for operators who need real performance under load without sacrificing style.
Powered by a 565HP Cummins X15, backed by an 18-speed manual transmission and aggressive 3.90 rear gears, this truck is set up for torque, control, and serious pulling power. Add in full rear lockers, and you’ve got maximum traction when the terrain turns rough or the job gets demanding.
This truck is overbuilt in all the right places:
Heavy-Duty 44,000 lb Peterbilt Air Trac rear suspension
Robust 10 3/4" steel frame rails
Full rear differential lockers
24.5 tires on genuine Peterbilt aluminum wheels
80-gallon right-hand fuel tank
100-gallon left-hand fuel tank
Premier interior package
SEARS Premium Ultra Leather seats
Aftermarket 1/2 diamond plate fenders
The 3.90 ratio paired with an 18-speed gives you exceptional low-end torque multiplication, making this truck ideal for heavy haul, lowboy, logging, oilfield, or vocational work where reliability and traction matter.
This isn’t a light highway spec.
It’s a purpose-built workhorse with the horsepower, gearing, frame, and suspension to handle real weight — and look good doing it.
An absolute beast, ready to earn from day one. Call Austin Byrd 903-277-0615
*Price does not include state and local taxes; tags; registration or title fees; dealer-imposed fees, including document preparation, processing or servicing fees, or any optional equipment or upfitting work selected by buyer. Valid while supplies last. Images shown may not reflect actual vehicle. **The information provided by this calculator is for illustrative purposes only and does not constitute a request for specific credit terms or an offer of credit. APRs and terms used in estimates may not be applicable based on vehicle and state of purchase.