2027 Peterbilt

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