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STRONG PARTNERS. TOUGH TRUCKS2011 EPA Tier 4 Interim & EU Stage IIIB Emissions RegulationsFor Engine Power Outputs over 174 hp (130 kW)38. What is the life of the Diesel Particulate Filter?The Diesel Particulate Filter is designed to last the life of the engine. The after treatment isspecially strengthened against high levels of vibration and shock loading.39. Is low ash lube oil required for Tier 4 Interim / Stage IIIB?Yes. To maintain regulated ash cleaning intervals it is strongly recommended to use API CJ-4low ash lube oil in North America and equivalent ACEA-E9 lube oil in the EU.Fuel Requirements40. Is ULSD fuel legally required for Tier 4 Interim engines?Yes. In North America, Ultra Low Sulphur Diesel (ULSD) is legally required for Tier 4 Interimengines. The ULSD must contain 15 parts-per-millions (ppm) or less sulphur content.41. Does the European Union have the same fuel requirements forStage IIIB engines?In the European Union, Ultra Low Sulphur Diesel (ULSD) must legally be 10ppm at the point ofmanufacture and is expected to be 15ppm at the point of use.16
42. Will ULSD be available outside of North America and the European Union?Availability of ULSD is very limited outside of North America and the European Union – so it iscritical to not operate an engine requiring ULSD in a country without available ULSD supply.Using high sulphur content fuel will damage the engine and after treatment system.43. Could today’s fuel be used in Tier 4 Interim / Stage IIIB engines?Tier 4 Interim engines must use ULSD. It is not possible to comply with the legally required PMemissions standard with today’s off-highway fuel which has a higher sulphur content.44. What happens if higher sulphur fuel is inadvertently used?A one time inadvertent tank of diesel fuel with greater than 15ppm sulphur content will notdamage the engine and after treatment system. The system will clean itself out when ULSD isre-introduced.However, continued improper fuel use of sulphur levels greater than 15ppm with Cummins Tier4 Interim / Stage IIIB engines can permanently damage the engine and after treatment systemswithin a short period of time. This damage could possibly cause the engine to be inoperable andcause unplanned downtime and expenses.45. Is the engine warranty affected if ULSD is not used?Yes. Improper fuel use of sulphur levels greater than 15ppm with Cummins Tier 4 / Stage IIIBengines can result in denial of warranty coverage.46. Can ULSD be used in Tier 3 / Stage IIIA or other engines?Yes. Current engines will work fine on ULSD. It is backwards compatible.17
Page 3 and 4: Engine Cooling 1326. Why is cooling
Page 5 and 6: 3. What are Oxides of Nitrogen (NOx
Page 7 and 8: 9. How will Hyster meet the Tier 4
Page 10 and 11: STRONG PARTNERS. TOUGH TRUCKS2011 E
Page 13 and 14: 25. Does the Particulate Filter get
Page 15: 33. Will electronic diagnostic tool
Page 19 and 20: Field Test Experience51. What Tier

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