Products › Technology › Tier 4 Technology › Air Management

Innovative Air Management

Cat Tier 4 Interim/Stage IIIB engines feature innovative air-management systems that optimize airflow and enhance power, efficiency and reliability. We apply a range of simple, reliable turbocharging solutions, based on engine size and application. This allows us to match turbo performance to rated output for high productivity, excellent fuel efficiency, long life and low operating costs.

Tier 4/Stage IIIB Downloads

» • Built for the Next Generation	1.1m	PDF
» • Fuel & Oil Quick Reference Card	40k	PDF
» • Tier 4 Interim/Stage IIIB C13 ACERT™ Engine Screensaver	19.5m	EXE

Tier 4 FAQ

» Download (PDF 742k)
Get Adobe Reader

	Related Tier 4 Product Information
» Impact of Tier 4 on Electric Power » Tier 4 Interim / Stage IIIB / Step 4 - Operator Training

	Additional Resources
» Association of Equipment Managers » Diesel Progress - Emission & Technology Forum » Diesel Technology Forum » DieselNet » Engine Manufacturers Association » US Environmental Protection Agency » California EPA Air Resources Board

	Related Press Releases
» Caterpillar Receives EPA Tier 4 Interim and EU Stage IIIB Engine Certification for Non-Road

Cat Products & Services

The Cat equipment product line, consists of more than 300 products for the construction and mining equipment, diesel and natural gas engines, industrial gas turbines, and has a wide offering of related services.

Products

Support

Cat News & Events

About Caterpillar Inc.

Caterpillar is the world's leading manufacturer of construction and mining equipment, diesel and natural gas engines, industrial gas turbines and diesel-electric locomotives.

Learn more about:

Company
Brands
Sustainability
Innovation
News
Investors
Visitors Center
Careers

Visit Caterpillar.com