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The Carl Moyer Program Off-Road Retrofit Exemptions
This page was last reviewed October 26, 2012
Retrofit manufacturers have provided ARB with exemption letters that identify retrofits that are not compatible with specific pieces of equipment. The exemptions are only valid for the retrofit and the equipment models identified in the letter. This page also lists exemptions that have been subsequently revoked by the retrofit manufacturer.
For those pieces of equipment that have a retrofit exemption listed, there may be other verified retrofits available for that equipment. Available retrofits can be found in the verification database
HUSS’s FS-MK Filter System Exemptions
|
Equipment
Name |
Exemption |
Exemption
Date |
|
Caterpillar C6 Slipform Paver S850 |
June 17, 2009 |
|
|
Caterpillar C13 Slipform Concrete Paver |
June 17, 2009 |
|
|
Caterpillar C6.6 Truck Unloader |
June 17, 2009 |
|
|
Caterpillar 3406 Drive Over Truck Unloader |
June 17, 2009 |
|
|
Caterpillar 922C Wheel Loader |
June 13, 2008 |
|
|
Caterpillar D6K Dozer |
April 11, 2008 |
|
|
Caterpillar D8L Dozer |
May 21, 2008 |
|
|
Caterpillar D9 Track-Type Tractor |
October 25, 2007 |
|
|
Caterpillar D10 Track-Type Tractor |
May 5, 2008 for Tier 3 or cleaner Caterpillar
C15 and smaller engines |
|
|
October 25, 2007 |
||
|
Caterpillar 627 Wheel Tractor Scraper |
May 5, 2008 for Tier 3 or cleaner Caterpillar
C18 and smaller engines. Physical installations on C18 engines will be
available starting July 1, 2008 |
|
|
October 25, 2007 |
||
|
Caterpillar 637 Wheel Tractor Scraper |
May 5, 2008 for Tier 3 or cleaner Caterpillar
C18 and smaller engines. Physical installations on C18 engines will be
available starting July 1, 2008 |
|
|
October 25, 2007 |
||
|
Caterpillar 651 Wheel Tractor Scraper |
October 25, 2007 |
|
|
Caterpillar 657 Wheel Tractor Scraper |
May 5, 2008 for Tier 3 or cleaner Caterpillar
C18 and smaller engines. Physical installations on C18 engines will be
available starting July 1, 2008 |
|
|
October 25, 2007 |
||
|
Caterpillar 769 Haul truck |
December 12, 2007 |
Caterpillar's Diesel Particulate Filter Exemptions
|
Equipment
Name |
Exemption |
Exemption
Date |
|
Caterpillar
12 Motor Grader |
June 30, 2008 |
|
|
Caterpillar
14 Motor Grader |
Caterpillar Exemption |
June 30, 2008 |
|
Caterpillar
16 Motor Grader |
Caterpillar Exemption |
June 30, 2008 |
|
Caterpillar
24 Motor Grader |
Caterpillar Exemption |
June 30, 2008 |
|
Caterpillar
120 Motor Grader |
Caterpillar Exemption |
June 30, 2008 |
|
Caterpillar
135 Motor Grader |
Caterpillar Exemption |
June 30, 2008 |
|
Caterpillar
140 Motor Grader |
Caterpillar Exemption |
June 30, 2008 |
|
Caterpillar
143 Motor Grader |
Caterpillar Exemption |
June 30, 2008 |
|
Caterpillar
160 Motor Grader |
Caterpillar Exemption |
June 30, 2008 |
|
Caterpillar
163 Motor Grader |
Caterpillar Exemption |
June 30, 2008 |
