Attention Tractor Shoppers: Study Up On Tier 4 Specifics

By Growing Produce Staff|December 21, 2012

Volumes of information can be found online regarding the Tier 4 regulations for off-highway diesel engines. The following pages provide links to information from a few of the popular tractor brands. 

AGCO Corporation
Challenger, Fendt, Massey Ferguson, Valtra

AGCO has deployed its e3 selective catalytic reduction system to merge energy, economy, and ecology. A new diesel exhaust fluid (DEF) injection system featuring a nitrous oxide sensor measures the exhaust before it enters the diesel exhaust catalyst. The system then injects the most appropriate rate of DEF needed to match the engine load and best oxidize the emissions being produced.

For more information, visit
Agcocorp.com/E3.

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Tier 4 Tractor Dissection: Case IH

Case IH

According to Case IH, it made the choice several years ago to focus development efforts on selective catalytic reduction (SCR) technology. Cool-running and quiet, SCR is an engine exhaust after-treatment system that works outside the engine in the exhaust system. According to the company, rather than interfering with engine performance, it actually improves it.

For more information, visit 
Beready.caseih.com/tag/tier-4.

Tier 4 Tractor Dissection: John Deere

John Deere 

John Deere has employed cooled exhaust gas 
recirculation (EGR) and variable geometry turbocharger (VGT) technologies in off-highway applications.

For more information, visit Deere.com/tier4.

Tier 4 Tractor Dissection: Kubota

Kubota 

According to Kubota, its center-direct injection system (E-CDIS) engine offers more power, durability, and better fuel efficiency. Company spokespeople add this engine boasts low noise levels for less stress and fatigue.

For more information, visit Kubota.com.

Tier 4 Tractor Dissection: New Holland

New Holland 

New Holland has adopted two different solutions based on their respective benefits: selective catalytic reduction (SCR) and cooled exhaust gas recirculation (CEGR) with diesel particulate filters (DPF). According 
to the company, this allows more flexibility for selections best suited for different jobs.

For more information, visit Agriculture.newholland.com/us.