View 1 Photo View 0 Videos 2021 Peterbilt 579 Day Cab Truck - Cummins 400HP, 12 Speed Automatic $56,900 USD 375331 Miles, Engine: CUMMINS X15, 400 HP, Fuel Type: Diesel, 12 Speed Automatic Transmission, Drive: 6x4, Air Ride Suspension, Wheel Base: 185, Tandem Rear Axles, Front Axle Weight: 12350... ConditionUsedUsage375,331 MilesDuty ClassHeavy Duty Day Cab TruckHorse Power400 HPEngine ModelCummins X15Drivetrain6x4Transmission12 Speed AutomaticSuspensionAir RideRear AxleTandem AxleRear End40,000 lb 2.79 ratioStock Number8680640 MLS Number14507126CategoryDay Cab Semi Trucks Last Updated7/25/2026 LocationRockford, IL, US Sold ByJX Truck Center (844) 985-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 2021 Peterbilt 579 Day Cab Truck - Cummins 400HP At auction Aug. 6 2021 PETERBILT 579 Non-Sleeper Conventional, Cummins X15 Engine, 400 H.P., Engine Brake, EEO-16F112C Transmission, (Automatic), 40,000 Lb. Rear Ends, 2.79 Ratio, Air Ride Suspension,... ConditionUsedDuty ClassHeavy Duty Day Cab TruckHorse Power400 HPEngine ModelCummins X15SuspensionAir RideRear End40,000 lb 2.79 ratio MLS Number14494954CategoryDay Cab Semi Trucks Last Updated7/20/2026 LocationPekin, IL, US Listed ByTaylor & Martin LLC (855) 546-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 2021 Peterbilt 579 Day Cab Truck - Cummins 400HP At auction Aug. 6 2021 PETERBILT 579 Non-Sleeper Conventional, Cummins X15 Engine, 400 H.P., Engine Brake, EEO-16F112C Transmission, (Automatic), 40,000 Lb. Rear Ends, 2.79 Ratio, Air Ride Suspension,... ConditionUsedDuty ClassHeavy Duty Day Cab TruckHorse Power400 HPEngine ModelCummins X15SuspensionAir RideRear End40,000 lb 2.79 ratio MLS Number14494953CategoryDay Cab Semi Trucks Last Updated7/20/2026 LocationPekin, IL, US Listed ByTaylor & Martin LLC (855) 546-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 2021 Peterbilt 579 Day Cab Truck - Cummins 400HP, 12 Speed Automatic $58,400 USD CUMMINS X15! Automatic Transmission! Full Disc Brakes; 2021 Peterbilt 579 Day Cab with ONLY 353k Miles! Air Slide 5th Wheel; Air Ride Driver Seat; Heated Mirrors; Hill Start Assist and more!... ConditionUsedUsage353,625 MilesDuty ClassHeavy Duty Day Cab TruckHorse Power400 HPEngine ModelCummins X15Drivetrain6x4Transmission12 Speed AutomaticSuspensionAir RideRear AxleTandem AxleRear End40,000 lb 2.79 ratioStock Number8680636 MLS Number14492579CategoryDay Cab Semi Trucks Last Updated7/23/2026 LocationRockford, IL, US Sold ByJX Truck Center (844) 985-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 2021 Peterbilt 579 Day Cab Truck - Cummins 400HP, 12 Speed Automatic $58,400 USD SHARP! 2021 Peterbilt 579 Day Cab with ONLY 371k Miles! Cummins X15 Powered and Paired with an Automatic 12 Speed Transmission! Full Disc Brakes; Air Slide 5th Wheel; Air Ride Driver Seat;... ConditionUsedUsage371,937 MilesDuty ClassHeavy Duty Day Cab TruckHorse Power400 HPEngine ModelCummins X15Drivetrain6x4Transmission12 Speed AutomaticSuspensionAir RideRear AxleTandem AxleRear End40,000 lb 2.79 ratioStock Number8680639 MLS Number14492578CategoryDay Cab Semi Trucks Last Updated7/23/2026 LocationRockford, IL, US Sold ByJX Truck Center (844) 985-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 2022 Peterbilt 579 Day Cab Truck - Cummins 450HP, 12 Speed Automatic $64,900 USD SHARP! 2021 Peterbilt 579 Day Cab with ONLY 347k Miles! Cummins X15 Powered and Paired with an Automatic 12 Speed Transmission! Full Disc Brakes; Air Slide 5th Wheel; Air Ride Driver Seat;... ConditionUsedUsage347,656 MilesDuty ClassHeavy Duty Day Cab TruckHorse Power450 HPEngine ModelCummins X15Drivetrain6x4Transmission12 Speed AutomaticSuspensionAir RideRear AxleTandem AxleRear End40,000 lb 2.64 ratioStock Number8680637 MLS Number14492576CategoryDay Cab Semi Trucks Last Updated7/23/2026 LocationRockford, IL, US Sold ByJX Truck Center (844) 985-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 32 Photos View 0 Videos 2021 Peterbilt 579 Day Cab Truck - Cummins 450HP, 12 Speed Automatic $49,995 USD 2021 PETERBILT 579 DAY CAB, CUMMINS X15, AUTOMATIC TRANSMISSION 12 SPEED, 472,097 MILES, FLEET MAINTAINED, READY TO WORK FINANCING AVAILABLE FOR ALL CREDIT TYPES, ZERO DOWN AVAILABLE ON... ConditionUsedUsage472,097 MilesDuty ClassHeavy Duty Day Cab TruckHorse Power450 HPEngine ModelCummins X15Drivetrain6x4Transmission12 Speed AutomaticSuspensionAir RideRear AxleTandem AxleRear End2.79 ratioStock Number4257 MLS Number13489963CategoryDay Cab Semi Trucks Last Updated6/12/2026 LocationFontana, CA, US Sold ByFontana Truck Outlet (866) 530-___ SHOWNUMBERCall Seller Email Seller Save More Info