Engine
| Displacement | 4.48 L |
|---|---|
| Cylinders | 4 |
| Aspiration | Turbo |
| Rated speed | 1500 rpm |
| Oil capacity | 13.5 L |
This engine also powers 7 generator set(s) on Facts About Generators.
Troubleshooting
80Symptoms & remedies
| Symptom | Cause | Remedy |
|---|---|---|
| Engine cranks but will not start | Incorrect starting procedure | Verify correct starting procedure |
| Engine cranks but will not start | No fuel | Check fuel in tank and manual shut-off valve |
| Engine cranks but will not start | Exhaust restricted | Check and correct exhaust restriction |
| Engine cranks but will not start | Fuel filter plugged or full of water | Replace fuel filter or drain water from filter |
| Engine cranks but will not start | Injection pump not getting fuel or air in fuel system | Check fuel flow at supply pump or bleed fuel system |
| Engine cranks but will not start | Faulty injection pump or nozzles | Consult authorized diesel repair station for repair or replacement |
| Engine hard to start or will not start | Engine starting under load | Disengage PTO |
| Engine hard to start or will not start | Improper starting procedure | Review starting procedure |
| Engine hard to start or will not start | No fuel | Check fuel tank |
| Engine hard to start or will not start | Air in fuel line | Bleed fuel line |
| Engine hard to start or will not start | Cold weather | Use cold weather starting aids |
| Engine hard to start or will not start | Slow starter speed | See “Starter Cranks Slowly” |
| Engine hard to start or will not start | Crankcase oil too heavy | Use oil of proper viscosity |
| Engine hard to start or will not start | Improper type of fuel | Consult fuel supplier; use proper type fuel for operating conditions |
| Engine hard to start or will not start | Water, dirt, or air in fuel system | Drain, flush, fill, and bleed system |
| Engine hard to start or will not start | Clogged fuel filter | Replace filter element |
| Engine hard to start or will not start | Dirty or faulty injection nozzles | Have authorized servicing dealer or engine distributor check injectors |
| Engine hard to start or will not start | Injection pump shut-off not reset | Turn key switch to “OFF” then to “ON” |
| Engine knocks | Low engine oil level | Add oil to engine crankcase |
| Engine knocks | Injection pump out of time | See your authorized servicing dealer or engine distributor |
| Engine knocks | Low coolant temperature | Remove and check thermostat |
| Engine knocks | Engine overheating | See “Engine Overheats” |
| Engine runs irregularly or stalls frequently | Low coolant temperature | Remove and check thermostat |
| Engine runs irregularly or stalls frequently | Clogged fuel filter | Replace fuel filter element |
| Engine runs irregularly or stalls frequently | Water, dirt, or air in fuel system | Drain, flush, fill, and bleed system |
| Engine runs irregularly or stalls frequently | Dirty or faulty injection nozzles | Have authorized servicing dealer or engine distributor check injectors |
| Below normal engine temperature | Defective thermostat | Remove and check thermostat |
| Below normal engine temperature | Defective temperature gauge or sender | Check gauge, sender, and connections |
| Lack of power | Engine overloaded | Reduce load |
| Lack of power | Intake air restriction | Service air cleaner |
| Lack of power | Clogged fuel filter | Replace filter elements |
| Lack of power | Improper type of fuel | Use proper fuel |
| Lack of power | Overheated engine | See “Engine Overheats” |
| Lack of power | Below normal engine temperature | Remove and check thermostat |
| Lack of power | Improper valve clearance | See your authorized servicing dealer or engine distributor |
| Lack of power | Dirty or faulty injection nozzles | Have authorized servicing dealer or engine distributor check injectors |
| Lack of power | Injection pump out of time | See your authorized servicing dealer or engine distributor |
| Lack of power | Turbocharger not functioning (Turbocharger engines only.) | See your authorized servicing dealer or engine distributor |
| Lack of power | Leaking exhaust manifold gasket | See your authorized servicing dealer or engine distributor |
| Lack of power | Defective aneroid control line | See your authorized servicing dealer or engine distributor |
| Lack of power | Restricted fuel hose | Clean or replace fuel hose |
| Lack of power | Low fast idle speed | See your authorized servicing dealer or engine distributor |
| Low oil pressure | Low oil level | Add oil |
| Low oil pressure | Improper type of oil | Drain, fill crankcase with oil of proper viscosity and quality |
| High oil consumption | Crankcase oil too light | Use proper viscosity oil |
| High oil consumption | Oil leaks | Check for leaks in lines, gaskets, and drain plug |
| High oil consumption | Restricted crankcase vent tube | Clean vent tube |
| High oil consumption | Defective turbocharger | See your authorized servicing dealer or engine distributor |
| Engine emits white smoke | Improper type of fuel | Use proper fuel |
| Engine emits white smoke | Low engine temperature | Warm up engine to normal operating temperature |
| Engine emits white smoke | Defective thermostat | Remove and check thermostat |
| Engine emits white smoke | Defective injection nozzles | See your authorized servicing dealer or engine distributor |
| Engine emits white smoke | Engine out of time | See your authorized servicing dealer or engine distributor |
| Engine emits black or gray exhaust smoke | Improper type of fuel | Use proper fuel |
| Engine emits black or gray exhaust smoke | Clogged or dirty air cleaner | Service air cleaner |
| Engine emits black or gray exhaust smoke | Engine overloaded | Reduce load |
| Engine emits black or gray exhaust smoke | Injection nozzles dirty | See your authorized servicing dealer or engine distributor |
| Engine emits black or gray exhaust smoke | Engine out of time | See your authorized servicing dealer or engine distributor |
| Engine emits black or gray exhaust smoke | Turbocharger not functioning | See your authorized servicing dealer or engine distributor |
| Engine overheats | Engine overloaded | Reduce load |
| Engine overheats | Low coolant level | Fill radiator to proper level, check radiator and hoses for loose connections or leaks |
| Engine overheats | Faulty radiator cap | Have serviceman check |
| Engine overheats | Stretched poly-vee belt or defective belt tensioner | Check automatic belt tensioner and check belts for stretching. Replace as required |
| Engine overheats | Low engine oil level | Check oil level. Add oil as required |
| Engine overheats | Cooling system needs flushing | Flush cooling system |
| Engine overheats | Defective thermostat | Remove and check thermostat |
| Engine overheats | Defective temperature gauge or sender | Check water temperature with thermometer and replace, if necessary |
| Engine overheats | Incorrect grade of fuel | Use correct grade of fuel |
| High fuel consumption | Improper type of fuel | Use proper type of fuel |
| High fuel consumption | Clogged or dirty air cleaner | Service air cleaner |
| High fuel consumption | Engine overloaded | Reduce load |
| High fuel consumption | Improper valve clearance | See your authorized servicing dealer or engine distributor |
| High fuel consumption | Injection nozzles dirty | See your authorized servicing dealer or engine distributor |
| High fuel consumption | Engine out of time | See your authorized servicing dealer or engine distributor |
| High fuel consumption | Defective turbocharger | See your authorized servicing dealer or engine distributor |
| High fuel consumption | Low engine temperature | Check thermostat |
| Undercharged system | Excessive electrical load from added accessories | Remove accessories or install higher output alternator |
| Undercharged system | Excessive engine idling | Increase engine rpm when heavy electrical load is used |
| Undercharged system | Poor electrical connections on battery, ground strap, starter, or alternator | Inspect and clean as necessary |
| Undercharged system | Defective battery | Test battery |
Fault codes and symptom→remedy steps extracted from this unit’s service/owner documentation; verify against the official manual before servicing. Showing the first 80 of 100 entries.
Available documents
Owner's manual
Common questions
What engine does the Ingersoll Rand G77 use?
The Ingersoll Rand G77 air compressor is powered by the John Deere 4045HF120 engine.
About
Ingersoll Rand G77 — air compressor. Specifications and parts compiled from manufacturer documents.