Caterpillar 3306 Diesel Engine – 11.1L Inline 6, 190–275 HP, Turbocharged

ReflowX SKU: REF-8383

Product Details

Quantity

1
Availability (Lead Time)

0-2 Weeks
Product Location

United Arab Emirates
Condition

Surplus
OEM

Caterpillar Inc., Peoria, Illinois, U.S.A.
Equipment code

gen-d

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Short Description

The CAT 3306 is a rugged, 4-stroke inline 6-cylinder diesel engine with 11.1L displacement, delivering 190–275 HP at 1800–2200 RPM. Trusted for generator sets and industrial power, it offers robust performance and long service life.

Description

Caterpillar 3306 Diesel Engine – 11.1L Inline 6, 190–275 HP, Turbocharged

The Caterpillar 3306 diesel engine is a proven powerplant renowned for its durability and consistent performance in generator applications. Built with a 4-stroke, inline 6-cylinder configuration, it has a displacement of 11.1 liters and operates within a broad speed range of 1400 to 2200 RPM. The 3306 comes in both turbocharged and naturally aspirated variants, offering prime power outputs between 190 to 275 HP (142 to 205 kW). Featuring direct injection via a mechanical unit injector system and a heavy-duty cast-iron block and head, this engine is designed for demanding duty cycles including continuous, prime, and standby operations. The water-cooled system, large oil and coolant capacities, and optional cold-weather aids ensure reliable operation in harsh environments. With flexible or rigid mounting options, the CAT 3306 is ideal for both stationary and mobile industrial generator installations.

Specifications:

– Engine Model: Caterpillar 3306
– Engine Type: 4-Stroke, Inline 6-Cylinder, Water-Cooled Diesel
– Displacement: 11.1 Liters (11100 cc)
– Bore x Stroke: 120.65 mm x 152.4 mm (4.75 in x 6.0 in)
– Aspiration: Turbocharged or Naturally Aspirated (model dependent)
– Compression Ratio: 15.3:1 (typical turbo variant)
– Firing Order: 1-5-3-6-2-4
– Injection Type: Direct Injection
– Fuel System: Mechanical Unit Injector
– Rated Power (Prime): 190–275 HP (142–205 kW) @ 1800–2200 RPM
– Max Torque: Approx. 1050 Nm @ 1400 RPM
– Operating Speed Range: 1400 – 2200 RPM
– Governor Type: Mechanical or Electronic
– Duty Cycle: Continuous, Prime, or Standby
– Cooling System: Water-cooled with jacket water pump
– Oil Capacity: 27.5 Liters (approx.)
– Coolant Capacity: 25 Liters (approx.)
– Nominal Oil Pressure: 276–482 kPa (40–70 psi)
– Cooling Fan Drive: Belt-driven
– Starting System: 24V DC Electric Starter Motor
– Charging Alternator: 24V
– Cold Start Aids: Optional Glow Plugs / Intake Heater
– Block Material: Cast Iron
– Cylinder Head: Cast Iron, Crossflow Design
– Valve Configuration: OHV, 2 Valves per Cylinder
– Engine Mounting: Flexible or Rigid
– Fuel Filters: Spin-on Primary & Secondary
– Air Filter: Dry-type, Replaceable Element

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Technical Details

Model Number	Model: CAT 3306
Model Number	Model: CAT 3306
Height	1100 mm
Width	800 mm
Length	1550 mm
Weight	1080 kg
Temperature Range	Ambient Operation: –10°C to +50°C (standard)
Pressure Rating	Oil Pressure: 300 – 500 kPa (3 – 5 bar) at rated speed
ISO 15926 Pt 4	ClassOfIndividual: DieselEngine
PCA RDS Code	RDS-PP-ENG-DIE-3306
CFIHOS ID	CFIHOS-EQP-ENG-DIE-CAT-3306
Output Power	Industrial/Continuous Duty: 160 – 270 kW (215 – 362 hp) @ 1800 RPM
IFC Class	IfcEngineType

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