Engines, drivetrain and APUs

The truck side. DD15, D13, X15 and MX-13, DT12, I-Shift and 18-speeds, aftertreatment, APUs and no-idle setups. 2 threads, 13 posts.

1. DD15 doing an active regen every 300 miles now, 2019 Cascadia. what did yours turn out to be?

   by dry_van_since_98
   last post Aug 18, 2025by dry_van_since_983084 views
   6replies
2. No-idle in Laredo heat: battery HVAC vs a diesel APU, real overnight run times in July

   by apu_or_idle
   last post Aug 4, 2025by apu_or_idle3145 views
   5replies