The Caterpillar C13 ATAAC is a 12.5 L 6-cylinder ta engine rated at 1500 rpm. It powers generator sets from Caterpillar, including the XQ350. It holds 37 L (9.8 gal) of oil and 19 L (5.0 gal) of coolant.
Also known as: CAT C13 ATAAC
Part of the Caterpillar C13 engine family — 6 variants share parts & fitment.
| Oil capacity | 37.0 L |
|---|---|
| Coolant capacity | 19.0 L |
| Displacement | 12.5 L |
| Cylinders | 6 |
| Aspiration | TA |
| Rated speed | 1500 rpm |
| Fluid | Grade | Standard | Ambient | Capacity | Notes |
|---|---|---|---|---|---|
| Fuel | ultra low sulfur diesel (ULSD) | Required for Tier 4 Interim emissions compliance |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
| Part # | Description | Category |
|---|---|---|
| AP70121 | Diesel particulate filter (DPF) | Dpf |
| AP70123 | Diesel particulate filter (DPF) | Dpf |
| 106-3973 | Air filter inner | Air filter |
| 211-2660 | Air filter assy | Air filter |
| PEHJ0170 | Air Inlet Shutoff | Air filter |
| 230-7198 | V-belt | Belt |
| 7M4705 | V-belt | Belt |
| 111-2369 | Maintenance Element | Coolant filter |
| 101-2844 | 1 gallon (3.8L) | Fluid |
| 119-5152 | Cat Engine Oil (quart bottle) | Fluid |
| 1R0749 | Filter fuel | Fuel filter |
| 1R0755 | Filter fuel | Fuel filter |
| 326-1641 | Axial seal FWS | Fuel filter |
| 326-1643 | Filter water separator | Fuel filter |
| 3S3875 | Filter fuel | Fuel filter |
| 8N0205 | Filter water separator | Fuel filter |
| AP70122 | DPF gasket | Gasket |
| AP70313 | DPF gasket | Gasket |
| AP70314 | DPF gasket | Gasket |
| M-1P0436 | Fuel Priming Pump Gasket | Gasket |
| M-2246361 | Regulator Housing Gasket | Gasket |
| M-2266620 | Rear Structure Set | Gasket |
| M-2275075 | Regulator Housing Gasket | Gasket |
| M-2655324 | Oil Cooler Set | Gasket |
| M-2655326 | Oil Pump Set - External | Gasket |
| M-3136846 | Central & Lower Set | Gasket |
| M-3136847 | Fuel System Set | Gasket |
| M-3136898 | Front Structure Set | Gasket |
| M-3142771 | Water Pump Installation Set | Gasket |
| M-3149899 | Air Compressor Set | Gasket |
| M-3348404 | Rear Structure Set | Gasket |
| M-3348407 | Water Pump Installation Set | Gasket |
| M-4367102 | Turbocharger Installation Set | Gasket |
| M-4388606 | Front Structure Set | Gasket |
| M-4390524 | Turbocharger Installation Set | Gasket |
| M-4394077 | Central & Lower Set | Gasket |
| M-4394451 | Oil Cooler Set | Gasket |
| M-4513316 | Gasket Set - Central & Lower | Gasket |
| M-4532206 | Gasket Set - Front Structure | Gasket |
| M-4696623 | Gasket Set - Oil Cooler | Gasket |
| M-4698465 | Gasket Set - Oil Cooler | Gasket |
| M-4732196 | Gasket Set - Turbocharger | Gasket |
| M-4732197 | Gasket Set - Water Pump | Gasket |
| M-4758997 | Gasket Set - Oil Cooler | Gasket |
| M-4940654 | Gasket Set - Oil Cooler | Gasket |
| M-4941095 | Gasket Set - Oil Cooler | Gasket |
| M-4999229 | Gasket Set - Oil Cooler | Gasket |
| M-5025189 | Gasket Set - Oil Cooler | Gasket |
| MCBC13013 | Cylinder Head Gasket Set | Gasket |
| MCBC13021 | Overhaul Gasket Set | Gasket |
| MCBC13022 | In-Chassis Gasket Set | Gasket |
| MCBC13031 | Overhaul Gasket Set | Gasket |
| MCBC13032 | In-Chassis Gasket Set | Gasket |
| MCBC13033 | Cylinder Head Gasket Set | Gasket |
| MCBC13041 | Major O/H Gasket Set | Gasket |
| MCBC13041GC | Major O/H Gasket Set | Gasket |
| MCBC13042 | In-Chassis Gasket Set | Gasket |
| MCBC13042GC | In-Chassis Gasket Set | Gasket |
| MCBC13043 | Cyl. Head Gasket Set | Gasket |
| MCBC13043GC | Cyl. Head Gasket Set | Gasket |
| MCBC13051 | Major O/H Gasket Set | Gasket |
| MCBC13051GC | Major O/H Gasket Set | Gasket |
| MCBC13061 | Major O/H Gasket Set | Gasket |
| MCBC13061GC | Major O/H Gasket Set | Gasket |
| MCBC13071 | Major O/H Gasket Set | Gasket |
| MCBC13071GC | Major O/H Gasket Set | Gasket |
| MCBC13072 | In-Chassis Gasket Set | Gasket |
| MCBC13072GC | In-Chassis Gasket Set | Gasket |
| MCBC13073 | Cyl. Head Gasket Set | Gasket |
| MCBC13073GC | Cyl. Head Gasket Set | Gasket |
| MCBC13081 | Major O/H Gasket Set | Gasket |
| MCBC13081GC | Major O/H Gasket Set | Gasket |
| MCBC13082 | In-Chassis Gasket Set | Gasket |
| MCBC13082GC | In-Chassis Gasket Set | Gasket |
| MCBC13083 | Cyl. Head Gasket Set | Gasket |
| MCBC13083GC | Cyl. Head Gasket Set | Gasket |
| MCBC13091 | Major O/H Gasket Set | Gasket |
| MCBC13091GC | Major O/H Gasket Set | Gasket |
| MCBC13111 | Major O/H Gasket Set | Gasket |
| MCBC13111GC | Major O/H Gasket Set | Gasket |
| M-4446485 | Gasket Set - C13-C15-C18 Front Structure | Gasket set |
| MCBC13HBK | Head Bolt Kit - MCBC13HBK | Head bolt kit |
| 230-2781 | Hose | Hose |
| 230-2782 | Hose | Hose |
| 230-2854 | Hose | Hose |
| 093-7521 | Filter hydraulic | Hydraulic filter |
| 328-3655 | Filter hydraulic/transmission | Hydraulic filter |
| R-10R0725 | Injector - Rebuilt | Injector |
| R-10R0961 | Injector - Rebuilt | Injector |
| R-10R0966 | Injector - Rebuilt | Injector |
| R-10R0968 | Injector - Rebuilt | Injector |
| R-10R2977 | Injector - Rebuilt | Injector |
| 126-2081 | Filter oil | Oil filter |
| 1R1808 | Filter oil | Oil filter |
| 10R-8830 | Oil Pan / Sump Turbo Mount | Service part / kit |
| 10R-8831 | Oil Pan / Sump Turbo Mount | Service part / kit |
| 10R-8832 | Oil Pan / Sump Turbo Mount | Service part / kit |
| 10R-8833 | Oil Pan / Sump Turbo Mount | Service part / kit |
| 10R-8834 | Oil Pan / Sump Turbo Mount | Service part / kit |
| 128-4124 | Kit without Conditioner | Service part / kit |
| 163-1128 | Kit with Liquid | Service part / kit |
| 163-1129 | Kit with Element | Service part / kit |
| 2239150 | Connecting rod | Service part / kit |
| 888-983-7847 | ENGINE BLOCK CRANKSHAFT | Service part / kit |
| 8T1589 | Maintenance Charge | Service part / kit |
| 8T9190 | Refill Charge | Service part / kit |
| 9753300442 | Oil sample kit | Service part / kit |
| M-2237467 | Camshaft | Service part / kit |
| M-2477133 | 1 Regulator - 190ºC | Service part / kit |
| M-3882310 | Piston | Service part / kit |
| M-CK3882310P | Cylinder Kit | Service part / kit |
| MCBC13ESK | Exhaust Stud Kit - MCBC13ESK | Service part / kit |
| MCIF3882310 | Inframe Kit | Service part / kit |
| MCIF3882310-1 | Inframe Kit | Service part / kit |
| MCOH3882310 | Overhaul Kit | Service part / kit |
| MCOH3882310-1 | Overhaul Kit | Service part / kit |
| 384-8611 | Lift/transfer pump | Pump |
| 384-8612 | Lift/transfer pump | Pump |
| M-1375541 | 1 Fuel Priming Pump Tall | Pump |
| M-2231608 | Oil Pump | Pump |
| M-3520206 | Water Pump | Pump |
| M-3848611 | Pump - Transfer | Pump |
| M-2395581 | Remanufactured Fuel Injector - M-2395581 | Remanufactured fuel injector |
| M-2847707 | Remanufactured Fuel Injector - M-2847707 | Remanufactured fuel injector |
| M-RSC13E | Ring Set C13 | Ring set |
| 142-5867 | Front seal | Seal |
| M-1043560 | Cylinder Liner Seal Ring | Seal |
| M-1095308 | Oil Pan Seal | Seal |
| M-2173673 | Oil Pan Seal | Seal |
| M-2274239ORK | Injector Sleeve O-Ring Kit | Seal |
| M-2303728 | Injector Seal Ring Intermediate | Seal |
| M-2303775 | Injector Seal Ring Upper | Seal |
| M-2481394 | Injector O-Ring Kit | Seal |
| M-3S9643 | 1 Regulator Seal | Seal |
| M-6D7146 | Seal Ring - Body to Cover | Seal |
| M-6V7350 | Water Pump Mounting Seal | Seal |
| M-7L6580 | By Pass Tube Seal | Seal |
| M-9X7317 | Injector Seal Ring Lower | Seal |
| 9CT002 | NOx Control System | Sensor |
| M-1946722 | Sensor - Pressure | Sensor |
| M-1946724 | Sensor - Pressure | Sensor |
| M-1946725 | Sensor - Pressure | Sensor |
| M-2644297 | Sensor - Temperature | Sensor |
| 247-7133 | 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 C13 ATAAC engine has an oil capacity of 37.0 liters.
The Caterpillar C13 ATAAC has a displacement of 12.5 liters with 6 cylinders.
The Caterpillar C13 ATAAC powers 1 generator set(s), including Caterpillar XQ350.