Published specifications579
aerodynamic highway, fleet and long-haul work
Bumper to back of cab (BBC)118 in2,997 mm
MX-13 maximum powerUp to 510 hp380 kW
Peterbilt 579 product reference · reviewed September 2026
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Peterbilt
tractor specifications.
Explore Peterbilt model families, published dimensions and powertrain references. Follow each figure back to its source and the configuration it describes.
Browse 8 model familiesSTART WITH THE BADGE
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MODEL INDEX
Peterbilt reference sheets
8 of 8 model families
Published specifications
Published specifications389
traditional-styled highway, owner-operator and heavy-spec work
Bumper to back of cab (BBC)123 in3,124 mm
MX-13 maximum powerUp to 510 hp380 kW
Peterbilt 389 retained factory product reference
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Published specifications567
vocational, construction, heavy-spec and specialized tractor applications
Bumper to back of cab (BBC)115 in2,921 mm
MX-13 maximum powerUp to 510 hp380 kW
Peterbilt 567 product reference · reviewed September 2026
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Published specifications589
current premium long-hood highway, car-carrier and selected vocational work
Bumper to back of cab (BBC)121 in3,073 mm
Model engine power range405–605 hp302–451 kW
Peterbilt 589 product reference · reviewed September 2026
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Published specifications379
Compare standard and extended hood references while keeping Unibilt sleeper choices and individual build limits separate.
Bumper to back of cab (BBC)127 in3,226 mm
Family GVWR catalogue range31,000–72,000 lb14,061–32,659 kg
September 2001 factory brochure
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Published specifications386
Compare a factory cab drawing with a separately dated LNG day-cab order example.
Bumper to back of cab (BBC)126.4 in3,211 mm
Bumper to front axle (BA)49.6 in1,260 mm
March 2015 body-builder drawing
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Published specifications387
Distinguish the 112- and 120-inch day-cab references from the separate integral-sleeper design.
Bumper to back of cab (BBC)120 in3,048 mm
September 2007 model-identification guide
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Published specifications587
Separate the 2010 launch options from a documented 2012 raised-roof fleet configuration.
Bumper to back of integral sleeper191 in4,851 mm
Wheelbase237 in6,020 mm
2012 Penske fleet specification
Open reference sheetA model badge is the beginning.
A tractor’s wheelbase, tare weight, axle ratings and fifth-wheel position depend on its build. Published figures here describe a stated reference configuration. Individual-truck dimensions still need the VIN-linked build record and, where relevant, physical measurement.
Compare semi trucks by model and configuration Measure tractor dimensions Understand tractor-only weightA GROWING KNOWLEDGE BASE
Current families first. More history next.
This collection covers 7 manufacturers and 8 model families. Further editions will add generation-specific sheets, archived brochures, cab and chassis variants, and additional manufacturers as evidence is reviewed.
View the tractor model index