Allison 3000 4000 Series Troubleshooting Manual 4TH Generation Model Type: 3000 HS 3000 RDS 3000 EVS 3000 MH 3000 PTS 3000 TRV 3200 SP 3200 TRV 3500 RDS 3500 EVS 3500 SP 3700 SP B 30