Caterpillar Launches New Natural Gas-Fueled G3412 Generator Set with EPA Emergency Certification

For Worldwide Release: August, 2020 

DEERFIELD, IL – Caterpillar Inc. today introduced the Cat® G3412 natural gas-fueled generator set with US EPA Stationary Emergency Certification rated at 500 kW for 60 Hz markets. The G3412 is engineered to meet a full suite of critical market requirements, including quick starting and loading capability, meeting NFPA 110 Level 1 Type 10 standards as well as being UL 2200 listed.

“With vast improvements in the ability of gas engines to meet code-driven start time and load acceptance standards, the market for natural gas standby power generation is taking a significant step forward,” said Brian George, product manager in Caterpillar’s Electric Power division. “There are applications where gas generators have advantages over diesel. In fact, there are applications where emission rules and fuel security concerns make gas engines the best choice.”

With the G3412 an optional factory-built enclosure is available, allowing for quick integration of emergency power. The skin-tight or canopy enclosure makes the G3412 ideally suited for mission-critical standby applications such as smaller colocation or edge data centers, as well as healthcare, office buildings, retail complexes, and governmental facilities.

Featuring Caterpillar’s EMCP 4.4 generator set controller, the G3412 easily integrates with building management systems. The expanded set of features includes added paralleling options, gas train, package-mounted radiator, and simplified wiring connections.

The robust 12-cylinder high-speed block design of the G3412 provides a prolonged operating life of the engine, lowering total owning and operating costs. The generator is designed for maximum performance on low-pressure gaseous fuel supply.

“With industry-leading design and rapid response, Cat natural gas generator sets deliver dependable backup power without compromising performance,” George said. “We offer everything you need to maintain clean, uninterrupted standby power.”

Caterpillar delivers innovative power systems engineered for exceptional durability, reliability, and value. The company offers worldwide product support, with parts and service available globally through the Cat authorized service and dealer network. In addition, dealer technicians are trained to service every aspect of Cat equipment.

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Cat® G3412 natural gas-fueled generator set

Cat® G3412 natural gas-fueled generator set

Cat® G3412 natural gas-fueled generator set

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Since 1925, Caterpillar Inc. has been helping our customers build a better world – making sustainable progress possible and driving positive change on every continent. With 2019 sales and revenues of $53.8 billion, Caterpillar is the world’s leading manufacturer of construction and mining equipment, diesel and natural gas engines, industrial gas turbines, and diesel-electric locomotives. Services offered throughout the product life cycle, cutting-edge technology and decades of product expertise set Caterpillar apart, providing exceptional value to help our customers succeed. The company principally operates through three primary segments - Construction Industries, Resource Industries and Energy & Transportation - and provides financing and related services through its Financial Products segment. For more information, visit To connect on social media, visit

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