The Navistar International 7.3 DIT is a turbocharged engine rated at 21580 rpm.
Also known as: NAVISTAR INTERNATIONAL CORPORATION 7.3 DIT, 7.3 DIT
| Aspiration | Turbocharged |
|---|---|
| Rated speed | 21580 rpm |
No generator set in our catalog cites this exact engine designation yet; its specifications and fault codes are documented here.
| Code | Meaning | Remedy |
|---|---|---|
| 827 | BARO circuit out of range low | Defaults to 101 Kpa |
| 864 | Brake pedal applied switch fail | |
| 828 | BARO circuit out of range high | Defaults to 101 Kpa |
| 512 | KAM memory loss | No historical faults output during a KOEO test |
| 154 | IAT circuit out of range low | Disables back pressure device |
| 514 | PCM ROM test failure. Internal PCM failure | |
| 152 | IAT circuit out of range high | Disables back pressure device |
| 523 | PCM_Inactive Background fault Internal PCM fault | Internal PCM failure |
| 122 | AP/IVS AP Sensor Signal ORL Engine will idle only if hard fault | |
| 536 | Brake On/Off switch circuit failure | |
| 123 | AP/IVS AP Sensor Signal ORH Engine will idle only if hard fault | |
| 528 | CPP switch circuit failure | |
| 116 | EOT above/below KOER limits | Aborts KOER test |
| 675 | TR sensor circuit malfunction | |
| 117 | EOT circuit out of range low No cold adv. , fast low idle, EBP disabled | |
| 667 | TR sensor circuit low input | |
| 118 | EOT circuit out of range high No cold adv. , fast low idle, EBP disabled | |
| 668 | TR sensor circuit high input | |
| 815 | Excessive Engine RPM Transmission incorrectly downshifted or wrong gear selected down hill | Transmission incorrectly downshifted or wrong gear selected down hill |
| 638 | Trans fluid temp sensor ckt low input | |
| 124 | Idle validation switch fail Switch Test -KOER Short/Open circuit, switch failure, operator, PCM | |
| 637 | Trans fluid temp sensor ckt high input | |
| 1184 | Engine oil temp sensor out of self test range |
Fault codes and symptom→remedy steps extracted from this engine’s service/owner documentation; verify against the official manual before servicing.
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | — | ||||
| Fuel filter | — | ||||
| Oil filter | — | ||||
| Battery | — | ||||
| Belt | — | ||||
| Coolant | — | ||||
| Oil | — | ||||
| Spark plug | — |
Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.