Diesel engine 1103A-33TG

3-cylinderturbochargedin-line

Overview
The 1103A-33TG is a compact 3-cylinder, 3.3 L engine designed for prime and standby power generation. It meets up to EU Stage IIIA / U.S. EPA Tier 3 equivalent emissions and offers competitive fuel efficiency and high load acceptance for generator sets.

Applications

• Prime power for small industrial and commercial generators
• Standby and backup power installations
• Compact ElectropaK genset configurations

Features At A Glance

• Ease of maintenance — mechanically injected, naturally aspirated or turbocharged variants with 500-hour service intervals
• Common installation footprint — compatible with other 1100 Series models for simplified upgrades
• High-quality oil and fuel filtration — improves reliability and component life
• Suitable for prime power — designed to deliver continuous output and stable load acceptance

Key Specs

• Gross Mechanical Output: 42 - 70 kWm
• Typical Electrical Output: 45 - 75 kVA (36 - 60 kWe)
• Emissions: Fuel Optimised (up to EU Stage IIIA / U.S. EPA Tier 3 equivalent)
• Rated speed: 1500 / 1800 rpm

Product Specifications
Total Power Range
Gross Mechanical Output | 42 - 70 kWm
Typical Electrical Output | 45 - 75 kVA (36 - 60 kWe)
Rated Speed | 1500 / 1800 rpm

Emission Standards
Emissions | Fuel Optimised

50 Hz Typical Electrical Output
Prime | 45 - 60 kVA
Standby | 50 - 66 kVA

60 Hz Typical Electrical Output
Prime | 43 - 55 kWe
Standby | 47 - 60 kWe

General
Number of Cylinders | 3 vertical inline
Bore | 105 mm (4.13 in)
Stroke | 127 mm (5 in)
Displacement | 3.3 l (201 in³)
Compression Ratio | 17.3:1
Aspiration | Turbocharged
Combustion System | Direct injection
Rotation from Flywheel End | Anti-clockwise
Cooling System | Liquid
Aftertreatment | -
Typical Alternator Efficiency | 89%
Switchable | Yes

ElectropaK Dimensions
Length | 1150 mm (45.3 in)
Width | 760 mm (30 in)
Height | 1300 mm (51.2 in)
Dry Weight | 420 kg (926 lb)

Disclaimer
Note 1 | *Final dimensions dependent on selected options

Definitions
Prime Power | Unlimited hours usage with an average load factor of 80% of the published prime power over each 24 hour period. A 10% overload is available for 1 hour in every 12 hours of operation.
Standby Power | Limited to 500 hours annual usage, up to 300 hours of which may be continuous running. No overload is permitted.

Technical characteristics

• Model: 1103A-33TG
• Engine series: 1100 Series
• Number of cylinders: 3 vertical inline
• Bore x Stroke: 105 mm x 127 mm
• Displacement: 3.3 l
• Compression ratio: 17.3:1
• Aspiration: Turbocharged
• Combustion system: Direct injection
• Rated speeds: 1500 / 1800 rpm
• Gross mechanical output: 42 - 70 kWm
• Typical electrical output (50 Hz prime/standby): 45 - 60 kVA / 50 - 66 kVA
• Typical electrical output (60 Hz prime/standby): 43 - 55 kWe / 47 - 60 kWe
• Emissions: Fuel Optimised (meets up to EU Stage IIIA / U.S. EPA Tier 3 equivalent)
• Cooling: Liquid
• Typical alternator efficiency: 89%
• ElectropaK dimensions (L x W x H): 1150 mm x 760 mm x 1300 mm
• Dry weight (ElectropaK): 420 kg
• Standard features include: mounted air filter; 12 V starter motor and 12 V 65 A alternator; 12 V shutdown solenoid energised to run; mounted radiator and piping; thermostatically controlled cooling with gear driven circulation pump and belt driven pusher fan; high inertia flywheel to SAE J620 size 10/11½; SAE 3 flywheel housing; next generation fuel filter and rotary type fuel pump; front engine mounting brackets; wet sump with filler and dipstick; spin-on oil filter.