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Caterpillar Compact Diesel Engines
The C1.5, C1.7 and C2.2 compact, emissions-compliant diesel engines are available in naturally aspirated, turbocharged and turbocharged aftercooled configurations.

• Eight models ranging from 11 to 80.5 hp
• Meet existing Tier III/Stage IIIA emission standards
• 500-hour maintenance intervals
• Single-side service access
• Designed for small and mid-size equipment

Cummins QSB3.3 Engine
The QSB3.3 Tier III engine incorporates full-authority electronic controls and a High-pressure Common Rail (HPCR) fuel system.

• Power range extends from 80 to 110 hp
• Delivers a 30% power boost and a 40% increase in peak torque without impacting fuel consumption
• Precision electronic control of fuel meter and timing for easier cold start, improved idle stability and faster load acceptance

DEUTZ Tier III Engines
Two series of engines are now equipped with Tier III technology.

• 2009 Series includes three- or four-cylinder water-cooled models and a turbocharged four-cylinder version with outputs from 20 to 67 hp at 1,500 to 3,000 rpm
• 2011 family of oil-cooled engines offers increased rating choices up to 99 hp with low fuel consumption and good cold starting
• Tier III standards achieved via mechanical engine controls and direct fuel injection

Volvo V-ACT Diesel Engines
Volvo Advanced Combustion Technology (V-ACT) includes an advanced fuel injection system, more effective air management system and enhanced engine management.

• Tier III/Stage IIIA-compliant
• Utilize Internal Exhaust Gas Recirculation (I-EGR)
• 7.2- to 16.1-liter in-line six-cylinder versions
• Latest generation engine management system (EMS 2)
• Fixed-geometry turbocharger on 9.4-liter and larger models

John Deere 2.4L Engines
The PowerTech M 2.4L and PowerTech E 2.4L engines under 75 hp are EPA Interim Tier IV compliant in advance of emissions regulations.

• PowerTech M 2.4L models feature mechanical unit pump fuel systems and turbocharged aspirations
• PowerTech E 2.4L models offer full-authority electronic engine controls and air-to-air aftercooled aspirations
• All models include two-valve cylinder heads, fixed-geometry turbochargers and 500-hour oil change intervals

Detroit Diesel DD15