The Iveco/FPT C13 is a 12.9 L 6-cylinder turbocompressé avec refroidissement air-air (tca) — turbocompresseur à géométrie fixe avec soupape wastegate engine rated at 2100 rpm, producing up to 346 kW. It powers generator sets from Iveco/FPT, including the C13 500 Mhp.
Also known as: FPT Industrial C13
Part of the Iveco/FPT C13 engine family — 5 variants share parts & fitment.
| Displacement | 12.9 L |
|---|---|
| Cylinders | 6 |
| Aspiration | Turbocompressé avec refroidissement air-air (TCA) — turbocompresseur à géométrie fixe avec soupape Wastegate |
| Rated speed | 2100 rpm |
| Gross power | 346 kW |
| Code | Meaning | Remedy |
|---|---|---|
| Q | Engine speed on flywheel sensor | |
| 1.1 | Vehicle speed signal (if available) | Check cabling, connections and component. |
| 1.2 | Torque selector (if available) | Check cabling, connections and component. |
| 1.3 | Cruise Control (if available) | Check cabling, connections and component. |
| 1.4 | Accelerator pedal | Check cabling, connections and component. |
| 1.5 | Clutch pressure switch (if available) | Check cabling, connections and component. |
| 1.6 | Plausibility of brake pedal signal switches | Check cabling, connections and component. |
| 2.1 | Water temperature sensor | Parameter reading. Check connections and component. |
| 2.2 | Air temperature sensor | Parameter reading. Check connections and component. |
| 2.3 | Fuel temperature sensor | Parameter reading. Check connections and component. |
| 2.4 | Supercharging pressure sensor | Parameter reading. Check connections and component. |
| 2.5 | Ambient pressure sensor (inside control unit) | Contact Help Desk for replacement (if any) of the control unit, owing to the sensor being integrated into the same. |
| 3.5 | Battery voltage | Battery test. |
| 6.1 | Flywheel sensor | Fault memory reading by means of the instrument.Check connections and component. |
| 6.2 | Distributing shaft sensor | Fault memory reading by means of the instrument.Check connections and component. |
| 6.4 | Distributing shaft phonic wheel | |
| 7.2 | Engine over revving | Contact Help Desk for control unit replacement. |
| 7.6 | Control unit fault (EEPROM memory) | Contact Help Desk for replacement (if any) of the control unit. |
| 7.7 | Main relay faulty or locked in closed position | |
| 9.1 | ECU power supply cut out too often (5 times): faulty main relay or engine stop by means of battery switch disconnect | |
| 9.2 | Control unit fault (EEPROM memory) | Contact Help Desk for replacement (if any) of the control unit. |
| 9.4 | Main relay faulty or locked in closed position | |
| 9.5 | ECU power supply cut out too often (5 times): faulty main relay or engine stop by means of battery switch disconnect | |
| 9.6 | ECU stop test failure |
Fault codes and symptom→remedy steps extracted from this engine’s service/owner documentation; verify against the official manual before servicing.
Compiled from service & troubleshooting documentation across every generator set that uses the Iveco/FPT C13.
Step-by-step procedures compiled from the Iveco/FPT service manual for this engine.
| Item | Action | Hours | Months | Notes |
|---|---|---|---|---|
| Huile moteur | Change | 600 hr | Intervalle de vidange de l'huile de 600 heures | |
| engine oil | Change | 600 hr | Intervalo de troca de óleo de 600 horas | |
| engine oil (huile moteur) | Change | 600 hr | Intervalle de vidange de l'huile de 600 heures | |
| oil | Change | 600 hr | 600-hours oil change intervals |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
| Type | Item | Value | Unit | Condition |
|---|---|---|---|---|
| Clearance | Camshaft lift for timing check (F2B) | 4.90 ± 0.05 | mm | |
| Clearance | Camshaft lift for timing check (F3A/F3B) | 4.44 ± 0.05 | mm | |
| Clearance | Clearance between idle gear and camshaft gear | 0.073 — 0.195 | mm | |
| Clearance | Cylinder liner protrusion (F2B) | 0.035 to 0.065 | mm | |
| Clearance | Cylinder liner protrusion (F3A) | 0.045 to 0.075 | mm | |
| Clearance | Piston protrusion (F3A) | 0.23 — 0.53 | mm | |
| Clearance | Piston protrusion from cylinder barrels (F2B) | 0.32-0.99 | mm | |
| Clearance | Rated assembling play between idler gear bushings and pins | 0.040 ÷ 0.080 | mm | |
| Injection timing | Injector protrusion (F2B) | 0.7 | mm | |
| Injection timing | Injector protrusion (F3A) | 1.14 to 1.4 | mm | |
| Other | Low oil pressure (idling) | 4 | bar | warm engine |
| Other | Low oil pressure (peak rpm) | 5 | bar | warm engine |
| Pressure | By-pass valve opening pressure | 3 | bar | |
| Pressure | Fuel pump pressure relief valve - opening pressure | 5-8 | bars | |
| Pressure | Injector calibration (F3A) | 296 ± 6 | bar | |
| Pressure | Injectors return valve calibration | 3.2 ÷ 3.8 | bar | |
| Pressure | Oil pressure control valve - start of opening pressure | 5 | bar | |
| Pressure | Overpressure valve (fuel return to tank) calibration | 0.2 ÷ 0.3 | bar | |
| Pressure | Overpressure valve - start of opening pressure | 10.1 ± 0.7 | bar | |
| Pressure | Pressure control valve calibration | 5 ÷ 5.8 | bar | |
| Speed | Loadless engine idling | 900 | rpm | |
| Speed | Loadless engine peak | 2110 | rpm | |
| Speed | Max. output speed | 2100 | rpm | |
| Speed | Max. torque speed | 1500 | rpm | |
| Temperature | Thermostat - start of opening | 80 | °C | |
| Temperature | Thermostat - start of opening | 85 | °C | |
| Temperature | Thermostat - temperature of start of travel | 84 ± 2 | °C | |
| Temperature | Thermostatic valve - end of opening (travel 8 mm) | 97 | °C | |
| Temperature | Thermostatic valve - start of opening (travel 0.1 mm) | 82 ± 2 | °C | |
| Torque | Connecting rod cap screws - angle closing | 40 | degrees | |
| Torque | Connecting rod cap screws - first stage | 50 | Nm | |
| Torque | Crankcase base inner screws - 1st stage pre-tightening | 120 | Nm | |
| Torque | Cylinder head capscrews - Stage 2 | 120 | Nm | |
| Torque | Cylinder head fixing screws - 1st phase | 50 | Nm | |
| Torque | Cylinder head fixing screws - 2nd phase | 100 | Nm | |
| Torque | Cylinder head fixing screws - 3rd phase angle | 90 | degrees | |
| Torque | Cylinder head fixing screws - 4th phase angle | 75 | degrees | |
| Torque | Engine flywheel capscrews - 1st stage | 120 | Nm | |
| Torque | Engine flywheel screws - first phase (pre-tightening) | 100 | Nm | |
| Torque | Engine oil filter cartridge | 35 ÷ 40 | Nm | |
| Torque | Injector solenoid valve electrical wiring screws | 1.36 - 1.92 | Nm | |
| Torque | Locknut for rocker arm adjusting screw | 20 ± 2 | Nm | |
| Torque | Rocker arm shaft fixing screws - 1st phase | 80 | Nm | |
| Torque | Rocker arm shaft fixing screws - 2nd phase angle | 60 | degrees | |
| Torque | Screws for injector fastening brackets | 26 | Nm | |
| Torque | Under-block/under-basement inner screws - pre-tightening | 140 | Nm | |
| Torque | Under-block/under-basement outer screws - pre-tightening | 25 | Nm | |
| Valve clearance | Valve timing - exhaust closes after T.D.C. | 9 | degrees | |
| Valve clearance | Valve timing - exhaust opens before B.D.C. | 48 | degrees | |
| Valve clearance | Valve timing - intake closes after B.D.C. | 31 | degrees | |
| Valve clearance | Valve timing - intake opens before T.D.C. | 17 | degrees |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
| Code | Name | Meaning | Severity | Action |
|---|---|---|---|---|
| 1.1 | Vehicle speed signal (if available) | Faulty vehicle speed sensor; odd behaviour of the tachograph pointer | Warning | Flight recorder detects high time at low speed. Check cabling, connections and component. Control unit replacement value: 5 km/h |
| 1.2 | Torque selector (if available) | Faulty multiple-state switch | Warning | Check cabling, connections and component |
| 1.3 | Cruise Control (if available) | Faulty Cruise Control switches or non-plausible switch signals | Info | Check cabling, connections and component |
| 1.4 | Accelerator pedal | Faulty potentiometer or non-plausible signal | Warning | Check cabling, connections and component |
| 1.5 | Clutch pressure switch (if available) | Faulty clutch switch; CC won't work | Info | Check cabling, connections and component |
| 1.6 | Plausibility of brake pedal signal switches | No reaction after actuating the CC/PTO switches | Warning | Check cabling, connections and component |
| 1.7 | Plausibility between accelerator / brake pedal | No reaction from the system | Info | Check cabling, connections and component |
| 2.1 | Water temperature sensor | Faulty coolant temperature sensor; excessive starting time in cold weather conditions | Info | Parameter reading. Check cabling, connections and component. No overheating protection, replacement value = 0 C |
| 2.2 | Air temperature sensor | Faulty air boosting temperature sensor; greater combustion noise | Info | Parameter reading. Check cabling, connections and component. Replacement value = 20 C |
| 2.3 | Fuel temperature sensor | Faulty fuel temperature sensor; no injection rate correction | Info | Parameter reading. Check cabling, connections and component. Replacement value = 30 C |
| 2.4 | Supercharging pressure sensor | Faulty boosting pressure sensor; power reduction; significant black smoke | Warning | Parameter reading; replacement value read when engine is idling. Cursor 8 = 1,600 mbar, Cursor 10 = 2,800 mbar |
| 2.5 | Ambient pressure sensor (inside control unit) | Faulty ambient pressure sensor | Info | Contact Help Desk for replacement of the control unit, sensor being integrated |
| 3.5 | Battery voltage | Too low battery voltage or voltage recognition fault; possible pre-heating and starting problems | Info | Battery test. EDC works with a replacement value of 28 V |
| 5.1 | Fault on injector cylinder 1 | Problem with injection circuit on cylinder X; engine speed reduced, engine operated with 5 cylinders | Warning | Engine test (if the fault is found). Check component, cabling and connections (head cable included) |
| 5.2 | Fault on injector cylinder 4 (F2B) / cylinder 2 (F3B) | Problem with injection circuit on cylinder; engine operates with 5 cylinders | Warning | Engine test. Check component, cabling and connections (head cable included) |
| 5.3 | Fault on injector cylinder | Problem with injection circuit on cylinder; engine operates with 5 cylinders | Warning | Engine test. Check component, cabling and connections (head cable included) |
| 5.4 | Fault on injector cylinder | Problem with injection circuit on cylinder; engine operates with 5 cylinders | Warning | Engine test. Check component, cabling and connections (head cable included) |
| 5.5 | Fault on injector cylinder | Problem with injection circuit on cylinder; engine operates with 5 cylinders | Warning | Engine test. Check component, cabling and connections (head cable included) |
| 5.6 | Fault on injector cylinder | Problem with injection circuit on cylinder; engine operates with 5 cylinders | Warning | Engine test. Check component, cabling and connections (head cable included) |
| 6.1 | Flywheel sensor | Faulty flywheel sensor; reduced engine speed and power; starting may take longer | Warning | Fault memory reading by means of the diagnosis instrument. Check cabling, connections and component |
| 6.2 | Timing gear / distributing shaft sensor | Faulty distributing shaft sensor; reduced engine speed and power | Warning | Fault memory reading by means of the diagnosis instrument. Check cabling, connections and component. If phonic wheel out-of-phase disconnect the sensor connector |
| 6.4 | Engine over revving | Engine has reached out-of-rev conditions | Shutdown | Fault memory reading; flight recorder reading to confirm engine out-of-rev condition |
| 7.2 | CAN line | Interface fault with other control units | Info | Check cabling and connections |
| 7.6 | CAN line (ASR control) | Interface fault with ASR control | Info | Check cabling and connections |
| 7.7 | CAN line (gearbox data control) | Interface fault with gearbox data control | Info | Check cabling and connections |
| 9.1 | Faulty control unit | Engine will stop or won't start | Shutdown | Contact Help Desk for control unit replacement |
| 9.2 | Incorrect data in EPROM | Control unit fault (EEPROM memory); reduced engine speed and power | Warning | Contact Help Desk for replacement (if any) of the control unit |
| 9.4 | Main relay | Main relay faulty or locked closed; EDC warning light remains ON when key turned OFF; danger of battery run-down | Warning | Check cabling, connections and component. The fault will be stored only after the next engine start |
| 9.5 | Incorrect engine stopping procedure | ECU power supply cut out too often (5 times); faulty main relay or engine stop by battery switch | Warning | Check main relay, cabling and connections. Problem solved next time switch-off procedure and data storing are correct |
| 9.6 | Incorrect data recording in control unit | ECU stop test failure; reduced engine speed and power | Warning | Contact Help Desk for replacement (if any) of the control unit |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
Tools: 99360612, 99360321, Dial gauge with magnetic base
⚠ Follow the sequence specified in the table and check position using pin 99360612
Tools: Polygonal wrench, Thickness gauge, Dynamometric wrench, Pin 99360612
⚠ Components can be damaged very quickly in presence of water or impurity within the fuel
⚠ Do not operate immediately after engine disconnection; wait for cooling
⚠ Protect eyes and skin from high pressure jet of cooling liquid
⚠ Motor oil reaches very high temperature; wear protection gloves
⚠ Do not mix oils with different features when topping up
⚠ The oil filter contains a quantity of oil of about 1 kg
Tools: 99360314
Tools: 99360314
⚠ Filter cartridge must not be prefilled to prevent circulating dirt damaging injector/pump components
⚠ Belt tensioner is automatic and requires no adjustment
Tools: Belt tensioner tool
⚠ Handle all parts carefully; never get hands or fingers between pieces
⚠ Wear goggles, gloves and safety shoes
Tools: Rotary stand, Brackets 993601036
⚠ Ring gear must be fitted after heating to approx. 200 degrees C
Tools: 99360351, 99395216
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
The Iveco/FPT C13 has a displacement of 12.9 liters with 6 cylinders.
The Iveco/FPT C13 powers 2 generator set(s), including Iveco/FPT C13, Iveco/FPT C13 500 Mhp.
A commonly reported issue on generators using the Iveco/FPT C13 is: Main relay faulty or locked in closed position.