Allison 4000 Series transmission now available with CARB-compliant Paccar MX-13 engine
31 July 2025
The transmission coupled with the MX-13 engine is available for Kenworth T880 and Peterbilt Model 567 truck models.
Allison Transmission announced that the Allison 4000 Series fully automatic transmission is now available with the new California Air Resources Board (CARB) low-NOx-compliant Paccar MX-13 engine for Kenworth T880 and Peterbilt Model 567 truck models. Allison said the 4000 Series is the only fully automatic transmission available with the MX-13…
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