24/7 mobile jump start for your Peterbilt Trucks 388 (1975–2026) in Sacramento using Truck-Mounted 12V/24V Heavy-Duty Gasoline Generator Jump Unit (3,500+ Continuous Cranking Amps).
Driver-side step battery box or remote frame jump terminals.
Peterbilt 579, 389, 567, and 379 trucks with PACCAR MX-13, Cummins X15, or CAT C15/3406E engines require 1,800+ cranking amps at 12.6V+ to spin over cold high-compression cylinders without dropping ECU voltage.
Post-boost verification of 185A–320A Delco Remy 36SI / 40SI Brushless output (13.8V–14.8V on 12V; 27.6V–28.4V on 24V commercial).
| Generation | Battery Group | CCA | Alternator | Starter | System Notes |
|---|---|---|---|---|---|
| 388 (2021–2026) | 4x BCI Group 31 Stud-Post Commercial AGM | 3,200–4,000 CCA Combined Bank | 185A–320A Delco Remy 36SI / 40SI Brushless (14.2V–14.8V) | Delco Remy 39MT / PACCAR 12V (7.8–9.0 kW) | Smart LIN/BSD Regulated AGM / Aux |
| 388 (2015–2020) | 4x BCI Group 31 Stud-Post Commercial AGM | 3,200–4,000 CCA Combined Bank | 185A–320A Delco Remy 36SI / 40SI Brushless (14.0V–14.6V) | Delco Remy 39MT / PACCAR 12V (7.8–9.0 kW) | High-Reserve AGM / EFB Start-Stop |
| 388 (2008–2014) | 4x BCI Group 31 Stud-Post Commercial AGM | 3,200–4,000 CCA Combined Bank | 185A–320A Delco Remy 36SI / 40SI Brushless (13.8V–14.4V) | Delco Remy 39MT / PACCAR 12V (7.8–9.0 kW) | High-CCA AGM / Lead-Acid |
| 388 (1998–2007) | 4x BCI Group 31 Stud-Post Commercial AGM | 3,200–4,000 CCA Combined Bank | 185A–320A Delco Remy 36SI / 40SI Brushless (13.8V–14.2V) | Delco Remy 39MT / PACCAR 12V (7.8–9.0 kW) | OEM Group Lead-Acid / AGM |
| 388 (1980–1997) | 4x BCI Group 31 Stud-Post Commercial AGM | 3,200–4,000 CCA Combined Bank | 185A–320A Delco Remy 36SI / 40SI Brushless (13.6V–14.2V) | Delco Remy 39MT / PACCAR 12V (7.8–9.0 kW) | Standard BCI High-CCA |
