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[ PETERBILT 579 / 579EV (ON-HIGHWAY): supply photo ]
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Peterbilt · Class 8 · Diesel

579 / 579EV (on-highway)

Model years ~2016-2026 · Conventional; day cab & sleeper (to 80-in UltraLoft)

A conventional Class 8 built for on-highway tractor (van/reefer/tanker), day cab regional, sleeper long-haul. Powered by PACCAR MX-13 (to 510 hp/1,850), MX-11, PX-9, Cummins X15 (to 605 hp/2,050); 579EV: dual eMotors to 605 hp.

GVWR
80,000 lb
Est. payload
Body-dep.
Horsepower
405 hp
From (est.)
$152,000
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Full specifications

Make / ModelPeterbilt 579 / 579EV (on-highway)
Model years~2016-2026
Weight classClass 8
Cab styleConventional; day cab & sleeper (to 80-in UltraLoft)
GVWRTractor; typical on-highway GCWR ~80,000; 579EV 82,000
GCWRTypical ~80,000; 579EV 82,000
Est. payloadBuild dependent (tractor - depends on trailer/load)
Front axle (FAWR)12,000-14,600; 579EV 14,600
Rear axle (RAWR)21,000-46,000 (lift axles avail); 579EV 38,000-46,000
Rear axle configTandem
WheelbaseCommonly ~244 for sleeper tractor; varies by config
EnginePACCAR MX-13 (to 510 hp/1,850), MX-11, PX-9, Cummins X15 (to 605 hp/2,050); 579EV: dual eMotors to 605 hp
Horsepower405-605 (diesel)
Torque (lb-ft)up to 2,050
TransmissionPACCAR TX-12/TX-18; Eaton manual & Endurant automated; Allison; 579EV 3-spd e-trans
Typical bodiesOn-highway tractor (van/reefer/tanker), day cab regional, sleeper long-haul
NotesPeterbilt's volume on-highway flagship. 579EV: to 500 kWh, 100-200 mi, 350 kW DC charge. Final specs depend on the specific build/order
!

Engine/axle sourced; full WB range representative Payload, GVWR and axle ratings are configuration-dependent estimates. Confirm against a VIN-decoded chassis spec sheet before ordering.

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