CATERPILLAR DIESEL ENGINE — CAT 3306

ReflowX SKU: REF-8383

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Model: CAT 3306 Engine Family: 3300 Series Serial Number: 9NS05893 Date of Manufacture: 1998 Trademarks: CAT®, CATERPILLAR®

Engine Type: 4-Stroke, Inline 6-Cylinder, Water-Cooled Diesel Engine

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 System: 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 (varies by spec)

Speed Range: 1400 – 2200 RPM

Governor Type: Mechanical or Electronic (based on application)

Duty Cycle: Continuous, Prime, or Standby (varies by generator use)

Cooling System: Water-cooled with jacket water pump

Oil Capacity: 27.5 Liters (approx.)

Coolant Capacity: 25 Liters (approx.)

Oil Pressure (nominal): 276–482 kPa (40–70 psi)

Cooling Fan Drive: Belt-driven (engine mounted)

Starting System: 24V DC Electric Starter Motor

Alternator: 24V charging alternator

Glow Plugs / Intake Heater: Optional (cold weather start aid)

Block Material: Cast Iron

Cylinder Head: Cast Iron, crossflow design

Valve Configuration: OHV (Overhead Valve), 2 valves per cylinder

Engine Mounting: Flexible or rigid

Fuel Filter: Spin-on primary & secondary

Air Filter: Dry-type, replaceable element

Emission Level: Pre-Tier (non-certified)

Applications: Widely used in generator sets, compressors, off-road machinery, and marine systems

Service Interval: 250 to 500 hours (depending on use and oil type)

Rebuildable Life Cycle: 15,000+ hours (typical with overhaul)

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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