Published specificationsAnthem
highway, regional and fleet tractor work
Bumper to back of cab (BBC)113 in2,870 mm
Overall height150 or 162 in3,810 or 4,115 mm
Current all-new family · September 2026 review
Open reference sheetTHE TRUCK REFERENCE DESK
Mack
tractor specifications.
Explore Mack model families, published dimensions and powertrain references. Follow each figure back to its source and the configuration it describes.
Browse 4 model familiesSTART WITH THE BADGE
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MODEL INDEX
Mack reference sheets
4 of 4 model families
Published specifications
Published specificationsPinnacle
legacy regional, highway and vocational tractor work
Bumper to back of cab (BBC)117.3 in2,979 mm
Bumper to front axle (BA)29.8 in757 mm
November 2021 · dimensioned day-cab drawing
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Published specificationsPioneer
current long-haul and regional highway work
Bumper to back of cab (BBC)125 in3,175 mm
Overall height150 or 162 in3,810 or 4,115 mm
Factory product reference · September 2026 review
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Published specificationsKeystone
current severe-duty vocational tractor work
Overall height150 or 162 in3,810 or 4,115 mm
Advertised MP13 maximum powerUp to 540 hp403 kW
Announced family · September 2026 review
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 4 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