Tuning24/Tuning by brand/Miller Miller tuning 4 Miller machines with tuning available. Pick the model to see power figures and deletes. Nitro 4000 4240 4240 - 6.7L - 240HP - Euro3 Nitro 4000 4275 4275 - 6.7L - 275HP - Euro3 Nitro 5000 5240 5240 - 6.7L - 240HP - Tier4 Nitro 7000 7310 7310 - 6.7L - 284HP - Tier4 Search another machine