The Caterpillar 3054C (ATAAC) is a 4.4 L 4-cylinder naturally aspirated or turbocharged engine rated at 2400 rpm, producing up to 97 kW.
Also known as: Caterpillar 3054C (ATAAC)
Part of the Caterpillar 3054C engine family — 6 variants share parts & fitment.
| Displacement | 4.4 L |
|---|---|
| Cylinders | 4 |
| Aspiration | naturally aspirated or turbocharged |
| Rated speed | 2400 rpm |
| Gross power | 97 kW |
No generator set in our catalog cites this exact engine designation yet; its specifications and fault codes are documented here.
| Code | Meaning |
|---|---|
| active fault code | Electronic problem detected |
| logged fault | Problem has occurred, but is not presently active |
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 Caterpillar 3054C (ATAAC).
| Part # | Description | Category |
|---|---|---|
| 102-9720 | Cleaning Kit (detergent and oil for AIRSEP air cleaner elements) | Air filter |
| 110-6326 | Air Primary | Air filter |
| 123-2367 | Air Primary | Air filter |
| 339-7767 | Alternator | Alternator |
| 6T1395 | Alternator | Alternator |
| 6N6798 | V-belt | Belt |
| 9L6639 | V-belt | Belt |
| AEHQ4001-03 | Cat® 3054C DIT Engine | Engine |
| 1U-5490 | Hydrosolv 4165 liquid cleaner, 19 L (5 US gallon) | Fluid |
| 1U-5492 | Hydrosolv 100 Liquid Cleaner, 19 L (5 US gal) | Fluid |
| 5N-5561 | Silicone Lubricant | Fluid |
| 133-5673 | Fuel/Water Separator | Fuel filter |
| 138-3100 | Filter water separator | Fuel filter |
| 1R-0749 | Fuel Secondary - ADV | Fuel filter |
| 1R0749 | Filter fuel | Fuel filter |
| 4N1151 | Gasket oil pan | Gasket |
| RE532716 | SHORT BLOCK ASSEMBLY (Also Order Engine Overhaul Gasket Kit and Cylinder Head Bolt Kit) | Gasket |
| 035-8059 | Glow plug | Glow plug |
| 3T8705 | Glow plug | Glow plug |
| 3T8706 | Glow plug | Glow plug |
| 306-345 | Hydraulic thumb | Hydraulic thumb |
| 8S-2245 | Injection Cleaning Tool Group | Injector |
| 1R-0716 | Engine Oil | Oil filter |
| 1R-1808 | Engine Oil - ADV | Oil filter |
| 1R0716 | Filter oil | Oil filter |
| 7W-2326 | Engine Oil | Oil filter |
| 7W-2327 | Engine Oil | Oil filter |
| 7W2327 | Filter oil | Oil filter |
| 0676879 | Connecting rod | Service part / kit |
| 169-8373 | Fluid Sampling Bottle | Service part / kit |
| 174-6854 | Hydrosolv 100 liquid cleaner, 19 L (5 US gallon) | Service part / kit |
| 2255441 | Connecting rod (Grade L) | Service part / kit |
| 2255453 | Connecting rod (Grade J) | Service part / kit |
| 2255454 | Connecting rod (Grade H) | Service part / kit |
| 249-0439 | Oxidation Catalyst Assembly - Round | Service part / kit |
| 249-0474 | Oxidation Catalyst Assembly - Rectangle | Service part / kit |
| 249-0476 | Oxidation Catalyst Assembly - Rectangle | Service part / kit |
| 249-0477 | Oxidation Catalyst Assembly - Rectangle | Service part / kit |
| 256-0331 | Oxidation Catalyst Assembly - Round | Service part / kit |
| 2562235 | Connecting rod | Service part / kit |
| 4C-9301 | Coolant Conditioner Test Kit | Service part / kit |
| 5P-3413 | Pipe Sealant | Service part / kit |
| 8810-10 | Operating Weight | Service part / kit |
| 8N1728 | Connecting rod | Service part / kit |
| 8T-5296 | Coolant Conditioner Test Kit | Service part / kit |
| 9S-3263 | Thread lock | Service part / kit |
| AEHQ5560-01 | Bucket/fork positioner, automatic | Service part / kit |
| C11/C13 | Cat® Engines with ACERT® Technology | Service part / kit |
| C15/C18 | Cat® Engines with ACERT® Technology | Service part / kit |
| C27/C32 | Cat® Engines with ACERT® Technology | Service part / kit |
| C6.6 | Cat® Engines with ACERT® Technology | Service part / kit |
| LEXE0363-00 | January 2012 | Service part / kit |
| QEHQ1025 | Not explicitly stated in the document | Service part / kit |
| QEHQ1085 | Uptime Kit | Service part / kit |
| QEHQ1211 | Replaces QEHQ9978-01 and QEHQ9960 | Service part / kit |
| QEHQ9778-01 | Replaces QEHQ9778 | Service part / kit |
| QEHQ9995 | Not explicitly stated | Service part / kit |
| 138-6744 | Water pump repair kit | Pump |
| 161-4113 | Oil pump | Pump |
| 1U-5718 | Vacuum Pump | Pump |
| 1W1700 | Lift/transfer pump | Pump |
| 384-8611 | Lift/transfer pump | Pump |
| PF-300C | Pneumatic Tire | Pump |
| PS-300C | Pneumatic Tire | Pump |
| 142-5867 | Front seal | Seal |
| 142-5868 | Rear seal | Seal |
| 4P-7610 | Magnetic Pickup Group (engine speed/timing sensor in flywheel housing) | Sensor |
| 9G8010 | Switch | Sensor |
| ECC328 | Speed Controller | Speed controller |
| 225-3150 | Starter motor | Starter |
| RE506105 | STARTER (12 V) | Starter |
| RE528929 | STARTER | Starter |
| SE501853 | STARTER (REMAN FOR RE506105) (12 V) | Starter |
| 4W8063 | Thermostat | Thermostat |
Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.
Other equipment known to use this engine, via filter-application cross-reference — useful for sourcing parts even when your exact machine isn't listed elsewhere on this page.
The Caterpillar 3054C (ATAAC) has a displacement of 4.4 liters with 4 cylinders.
A commonly reported issue on generators using the Caterpillar 3054C (ATAAC) is: Problem has occurred, but is not presently active.