epa tier 4 eu stage iv technical overview
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EPA Tier 4 / EU Stage IV - Technical Overview

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EPA Tier 4 / EU Stage IV - Technical Overview. Sept 2009. Clean Diesel Exhaust requirements are dramatic Technology hurdles to meet the regulations Cost to the OEM, Cost to the Rental Channel, Cost to the end user. Regulatory Background. Pre 1998. NOx (Nitrous Oxides). 1998 - 2000.

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Presentation Transcript
regulatory background
Clean Diesel Exhaust requirements are dramatic

Technology hurdles to meet the regulations

Cost to the OEM, Cost to the Rental Channel, Cost to the end user.

Regulatory Background

Pre 1998

NOx (Nitrous Oxides)

1998 - 2000

2004 - 2005

2008

2011 - 2013

2014 - 2015

Particulate Matter (Soot)

impact of egr and scr on end user
Impact of EGR and SCR on End User

SCR

EGR

Fuel

DEF

Larger cooling capacity required

  • Customers have to fill up with fuel and Diesel Exhaust Fluid (2 separate tanks)
  • Probably close to oil change interval.
  • Limp home mode.

Oil-cooled obsolete

Special fuel required. Will be an issue outside of US and EU.

slide5

EGR cooler

Crankcase Breather

EGR valve

EGR crossover tube

EGR New Components

Tier 3 Tier 4

Space consumed

Maintenance required

slide6

DPF and SCR Space Requirements

DPF Only

DPF + SCR + EGR Cooler

DPF + EGR Cooler

  • These components must fit in the engine compartment
  • Engine size and Implementation Schedule affects technology solutions
  • Larger Engines will require DPF + SCR + EGR
  • Small engines may only require DPF

Urea Tank

summary
Tier 4 is a game changing event for off road equipment

Engine solutions in the future will be much different than today

Terex is working now to partner with the engine supplier that provides the best overall value proposition.

Performance

Quality/Reliability

World wide support

Emissions Technology

Summary
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