TWG1663GE Tier 4 Interim Engine

Volvo Penta introduces its bi-fuel 16 liter Tier 4 Interim engine, the TWG1663GE, targeted for prime power and mobile applications. 

• Utilizes a precision blend of natural gas and diesel fuel
• Provides fuel cost savings, high power density and advanced SCR to meet emissions regulations
• Introduces natural gas up-stream of turbo-chargers 
• Electronic air valve controls amount of natural gas mixed
• Engine compression ignites diesel fuel, which in turn ignites natural gas
• Bi-fuel blending and combustion control is integrated into the Volvo Engine Management System (EMS)
• Enables heavy-duty diesel engines to operate on ratios of up to 70% natural gas and 30% diesel fuel under normal loads, and slightly less natural gas during higher loads
• Can also run exclusively on diesel fuel
• Emissions output meets US EPA and CARB Tier 4i limits, regardless of how the engine blends the two fuels
• Uses Selective Catalytic Reduction (SCR) technology to reduce NOx and particulate emissions
• Two-stage turbo charging provides power density and load acceptance
• Available for 1800 rpm/60 Hz operation
• Features 144 mm (5.67 in.) bore, 165 mm (6.50 in.) stroke, and prime power of 595 kWm (559 kWe/699 kVa)