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Hercules G/GTA4800 Engine

The Hercules G/GTA4800 is a 6-cylinder nat. asp. engine rated at 1800 rpm. It powers generator sets from Hercules Engine, including the G4800.

Also known as: HERCULES G/GTA4800

6
Cylinders
1800 rpm
Rated speed

Engine specifications

Cylinders6
AspirationNAT. ASP.
Rated speed1800 rpm

Generator sets powered by this engine

1
Hercules Engine G4800

Common problems

5
  • Fuel System - Fuel Pump Malfunction - 2, Ignition System - Spark Plug Misfire - 8 F 2&8 4
  • Engine - Cylinder C - Spark Plug Misfire - 2 E Cc 2
  • Distributor - Distributor Timing Off - 6 D D 6
  • Cylinder C - Excessive Spark Plug Wear - 3 Cc E 3
  • Battery Fault - 5 B F 5

Compiled from service & troubleshooting documentation across every generator set that uses the Hercules G/GTA4800.

Maintenance schedule

ItemSpecCapacityPart #Interval
Air filter—125 hr find
Fuel filter—125 hr find
Oil filter—125 hr find
Belt—125 hr find
Coolant—
OilSAE#2 for li-1/2" Clutch, SAE#1 for 14" Clutch—125 hr

Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.

Common questions

Which generators use the Hercules G/GTA4800 engine?

The Hercules G/GTA4800 powers 1 generator set(s), including Hercules Engine G4800.

How often should you change the oil in the Hercules G/GTA4800?

The Hercules G/GTA4800 oil change interval is every 125 hours.

What is a common problem with the Hercules G/GTA4800 engine?

A commonly reported issue on generators using the Hercules G/GTA4800 is: Fuel System - Fuel Pump Malfunction - 2, Ignition System - Spark Plug Misfire - 8.