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Caterpillar C13 ATAAC Engine

Name: Caterpillar C13 ATAAC Engine
Brand: Caterpillar

The Caterpillar C13 ATAAC is a 12.5 L 6-cylinder ta engine rated at 1500 rpm, producing up to 350 kW. 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 — 2 variants share parts & fitment.

12.5 L

Displacement

Cylinders

1500 rpm

Rated speed

350 kW

Gross power

On this pageSpecs Generator sets FAQ Fluids

Engine specifications

Oil capacity	37.0 L
Coolant capacity	19.0 L
Displacement	12.5 L
Cylinders	6
Aspiration	TA
Rated speed	1500 rpm
Gross power	350 kW

Generator sets powered by this engine

Caterpillar XQ350

How to read your Caterpillar engine serial & model number →

Recommended fluids

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.

Parts cataloged across the Caterpillar C13 family

148

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
8T1589	Maintenance Charge	coolant_filter
8T9190	Refill Charge	coolant_filter
128-4124	Kit without Conditioner	coolant_kit
163-1128	Kit with Liquid	coolant_kit
163-1129	Kit with Element	coolant_kit
119-5152	Cat Engine Oil (quart bottle)	fluid
1R0749	Filter fuel	fuel_filter
1R0755	Filter fuel	fuel_filter
326-1641	Filter water separator	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
101-2844	1 gallon (3.8L)	other_service
10R-8830	Oil Pan / Sump Turbo Mount	other_service
10R-8831	Oil Pan / Sump Turbo Mount	other_service
10R-8832	Oil Pan / Sump Turbo Mount	other_service
10R-8833	Oil Pan / Sump Turbo Mount	other_service
10R-8834	Oil Pan / Sump Turbo Mount	other_service
2239150	Connecting rod	other_service
888-983-7847	ENGINE BLOCK CRANKSHAFT	other_service
M-2237467	Camshaft	other_service
M-3882310	Piston	other_service
M-CK3882310P	Cylinder Kit	other_service
MCBC13ESK	Exhaust Stud Kit - MCBC13ESK	other_service
MCIF3882310	Inframe Kit	other_service
MCIF3882310-1	Inframe Kit	other_service
MCOH3882310	Overhaul Kit	other_service
MCOH3882310-1	Overhaul Kit	other_service
g00702022	Caterpillar equipment and replacement parts that are shipped from Caterpillar are asbestos free.	other_service
i01480768	Burn Prevention	other_service
i01806909	Fire Prevention and Explosion Prevention	other_service
i02966200	General Hazard Information	other_service
i03602780	Important Safety Information	other_service
384-8611	Lift/transfer pump	pump
384-8612	Lift/transfer pump	pump
M-1375541	Fuel Priming Pump	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	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
M-2477133	Regulator - 190°	thermostat

Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.

Also used in

Claas LEXION 560 — Combine
Claas LEXION 560 MONTANA — Combine
Claas LEXION 570 — Combine
Claas LEXION 570 MONTANA — Combine
Claas LEXION 570C — Combine
Freightliner CENTURY CLASS — Truck
Freightliner CENTURY CLASS CST112 — Truck
Freightliner COLUMBIA — Truck
Freightliner CONDOR — Truck
International 9200I — Truck
International 9900I — Truck
International PAYSTAR 5500I — Truck

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.

Common questions

What is the oil capacity of the Caterpillar C13 ATAAC?

The Caterpillar C13 ATAAC engine has an oil capacity of 37.0 liters.

What is the displacement of the Caterpillar C13 ATAAC?

The Caterpillar C13 ATAAC has a displacement of 12.5 liters with 6 cylinders.

Which generators use the Caterpillar C13 ATAAC engine?

The Caterpillar C13 ATAAC powers 1 generator set(s), including Caterpillar XQ350.