Operating with the MX-13 engine, the TX-12 Pro supports up to 1,700 pound-feet of torque and is aimed at uses such as dump trucks, tankers or municipality vehicles, Peterbilt said. “The seamless ...

The Paccar TX-12 Pro transmission now is available with the MX-13 engine in Models 579, 567, and 589 in a new combination for ...

(Photo: Peterbilt) The new LED lights can be spec’d on the Models 548, 537, 536 and 535. Peterbilt says the low-beam headlight glare to oncoming traffic is 28% less than the maximum limit, while the ...