Improved Software Has Been Released For The C7 On-Highway Truck Engine {7620}
- Engine:
- C7 (S/N: KAL1-12897 and 12898-18337)
New software has been released in order to improve cold engine response to the throttle. The new software will improve acceleration when the coolant temperature is below 66 °C (150 °F). This software is only compatible with the 238-8091 Fuel Injector Gp and the 241-3400 Fuel Injector Gp .
Note: 238-8091 Fuel Injector Gp does not have the installed seals. 241-3400 Fuel Injector Gp has the installed seals.
These injectors were assembled into the engine serial numbers S/N:KAL12898-18337
. This software may also be used in engine serial numbers S/N:; KAL00001-12897
if the injectors have been replaced with the 238-8091 Fuel Injector Gp or the 241-3400 Fuel Injector Gp that have seals.
Show/hide table
| Horsepower | Torque | Interlock Code | Part Number for New Flash File |
186 kW (250 hp) |
1084 N·m (800 lb ft) |
41 | 247-4626 |
205 kW (275 hp) |
1084 N·m (800 lb ft) |
42 | 247-4625 |
205 kW (275 hp ) ER |
1084 N·m (800 lb ft) |
46 | 247-4624 |
205 kW (275 hp) |
1166 N·m (860 lb ft) |
43 | 247-4623 |
205 kW (275 hp) ER |
1166 N·m (860 lb ft) |
47 | 247-4622 |
223 kW (300 hp) |
1084 N·m (800 lb ft) |
44 | 247-4620 |
223 kW (300 hp) ER |
1084 N·m (800 lb ft) |
48 | 247-4619 |
223 kW (300 hp) |
1166 N·m (860 lb ft) |
45 | 247-4618 |
223 kW (300 hp) ER |
1166 N·m (860 lb ft) |
49 | 247-4617 |
246 kW (330 hp) ER |
1166 N·m (860 lb ft) |
50 | 247-4616 |
246 kW (330 hp) RV |
1166 N·m (860 lb ft) |
51 | 248-2319 |
261 kW (350 hp) RV |
1166 N·m (860 lb ft) |
52 | 248-2319 |
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