Diesel engine 1103D-33G

3-cylinderturbochargeddirect injection

Overview
The Perkins 1103D-33G is a 3-cylinder, 3.3 litre diesel engine engineered for prime and standby power generation. It complies with EU Stage IIIA (U.S. EPA Tier 3 equivalent) emissions and offers efficient fuel consumption for continuous operation plus high load acceptance for standby applications.

Key Specs

• Gross Mechanical Output: 30 - 38 kWm
• Typical Electrical Output: 32-40 kVA (25-32 kWe)
• Emissions: EU Stage IIIA
• Rated Speed: 1500/1800 rpm

Features At A Glance

• Ease of maintenance: Available naturally aspirated or turbocharged; mechanical fuel injection with 500-hour service intervals simplifies upkeep.
• Easy transition: Common installation interfaces across the 1100 Series allow straightforward upgrades for higher power.
• Oil and fuel filtration: High-quality filtration enhances reliability and durability under continuous duty.
• Prime power capability: Engine delivers 28–68 kWm providing 30–59 kVA generator output depending on configuration.

Product Specifications (selected)
Total Power Range
Gross Mechanical Output: 30 - 38 kWm
Typical Electrical Output: 32-40 kVA (25-32 kWe)
Rated Speed: 1500/1800 rpm

Emission Standards
Emissions: EU Stage IIIA (U.S. EPA Tier 3 equivalent)

50 Hz Typical Electrical Output
Prime: 32 kVA
Standby: 35 kVA

60 Hz Typical Electrical Output
Prime: 29 kWe
Standby: 32 kWe

General
Number of Cylinders: 3 vertical inline
Bore: 105 mm
Stroke: 127 mm
Displacement: 3.3 l
Compression Ratio: 19.25:1
Aspiration: Naturally aspirated
Combustion System: Direct injection
Rotation from Flywheel End: Anti-clockwise
Cooling System: Liquid
Aftertreatment: -
Typical Alternator Efficiency: 89%
Switchable: Yes

Engine Dimensions*
Length: 1000 mm
Width: 631 mm
Dry Weight: 329 kg

ElectropaK Dimensions
Length: 1000 mm
Width: 631 mm
Height: 951 mm

Standard Equipment (selected)

• Air inlet system: Mounted air filter
• Control system: 12 volt starter motor and 12 volt 65 amp alternator with DC output; 12 volt shutdown solenoid energised to run
• Cooling system: Mounted radiator and piping; thermostatically controlled system with gear driven circulation pump and belt driven pusher fan
• Flywheels and flywheel housing: High inertia flywheel to SAE J620 size 10/11½; SAE 3 flywheel housing
• Fuel system: Next generation fuel filter; rotary type pump
• General: Front engine mounting brackets
• Oil system: Wet sump with filler and dipstick; spin-on oil filter

Notes
*Final dimensions dependent on selected options

Technical specifications

• Model (commercial designation): 1103D-33G
• Brand: Perkins
• Engine series: 1100 Series
• Gross Mechanical Output: 30 - 38 kWm
• Typical Electrical Output: 32-40 kVA (25-32 kWe)
• Emissions certification: EU Stage IIIA (U.S. EPA Tier 3 equivalent)
• Rated speeds: 1500 / 1800 rpm
• Number of cylinders: 3 vertical inline
• Bore x Stroke: 105 mm x 127 mm
• Displacement: 3.3 l
• Compression ratio: 19.25:1
• Aspiration: Naturally aspirated
• Combustion: Direct injection
• Rotation (flywheel end): Anti-clockwise
• Cooling: Liquid-cooled
• Typical alternator efficiency: 89%
• Switchable configuration: Yes
• 50 Hz prime/standby: 32 kVA / 35 kVA
• 60 Hz prime/standby: 29 kWe / 32 kWe
• Engine dry weight: 329 kg
• Engine dimensions (L x W): 1000 mm x 631 mm
• ElectropaK dimensions (L x W x H): 1000 mm x 631 mm x 951 mm
• Standard equipment highlights: mounted air filter, 12 V starter and alternator, mounted radiator and piping, thermostatic cooling, high inertia flywheel (SAE J620 size 10/11½), next generation fuel filter, rotary fuel pump, wet sump with spin-on oil filter