tier 4 final presentation - gce.cummins.com · Common controls across all Cummins Tier 4 Final...
Transcript of tier 4 final presentation - gce.cummins.com · Common controls across all Cummins Tier 4 Final...
Agenda
Module 1 - General Tier 4 Final Information– Emission Regulations Overview– Tier 4 Final Product Portfolio
Module 2 – Tier 4 Final TechnologiesDirect Flow Air Cleaner Cooled EGRCrankcase Ventilation System CM2350 Control TechnologyHigh Pressure Common Rail Selective Catalytic ReductionTurbo Technology Diesel Oxidation CatalystIntake Air Throttle Diesel Exhaust Fluid
Cummins Confidential2
Agenda
Module 3 – Tier 4 Final Product Architecture and Features– 4 cylinder: QSB5– 6 cylinder: QSB7, QSL9
Module 4 - Tier 4 Final Operations & Maintenance– Operator Guidelines– SCR & DEF: EPA Inducements– Service Intervals
Performance ValidationFurther Resources
Cummins Confidential3
Agenda
Module 1 - General Tier 4 Final Information– Emission Regulations Overview– Tier 4 Final Product Portfolio
Module 2 – Tier 4 Final Engine TechnologiesDirect Flow Air Cleaner Cooled EGRCrankcase Ventilation System CM2350 Control TechnologyHigh Pressure Common Rail Selective Catalytic ReductionTurbo Technology Diesel Oxidation CatalystIntake Air Throttle Diesel Exhaust Fluid
Cummins Confidential4
Diesel Emissions - Overview
Particulate Matter (PM)
– PM is the ‘black smoke’ or soot that comes out of the exhaust
– Worsens preexisting respiratory conditions such as asthma and allergies
Oxides of Nitrogen (NOx)– Colorless smoke (NO) / yellowish-brown smoke
(NO2)– Contribute to photochemical smog and acid rain
Hydrocarbons (HC)– Some have irritating odor, toxic and/or carcinogenic– Contribute to photochemical smog
Carbon Monoxide (CO)– Colorless, odorless and tasteless gas– Toxic in high concentrations
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Emissions Regulations - Categories
On Highway or Off-Highway Stationary or Mobile Emergency or Non-Emergency Variable Speed or Constant Speed (EU Only)
Power Generators – highlighted Strong correlation with ISO ratings and duty cycles, but EPA
regulates by application Emergency Stationary applications can remain at previous
Tier
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Meeting ‘Near-Zero’ Emissions
A 90 percent reduction in PM & NOx emissions to ‘near-zero’ levels
Tier 3
0.200.02
4.0
0.40
Tier 4 Interim
2.0
Oxi
des
of N
itrog
en (N
Ox)
g/k
W-h
r
Particulate Matter (PM) g/kW-hr
Achieving more than emissions compliance: Reducing fuel consumption Improving engine response Enhancing equipment productivity
Tier 4 Final
2011/12
2014/15
2005/6
90%
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QSB5 QSB7 QSL9
DOC-SCR
Tier 4 Final – Product Offering
Competitive power density
Simple aftertreatment configuration
Consistent architecture across the power ranges
Single, integrated engine & aftertreatment controls across power range
Dual speed capability as standard
Improve fuel efficiency
Flexible mounting through multiple AT configurations
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Tier 4 Final G-Drive Ratings
* Ratings are dependent on alternator efficiency and parasitic loads
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Diesel Oxidation Catalyst SISO configuration
(w/90 deg Orientation)
Selective Catalytic Reduction (SCR) Device (w/90 deg orientation)
Supply Module (24V)
Decomposition Reactor Tube
Urea Doser
NOx (out) Sensor
NOx (in) Sensor
PM + NOx
Emissions reduced 95% of PM Vs T3 90% of NOx Vs T3
Close-Up: Aftertreatment System
Cummins Confidential13
Agenda
Module 1 - General Tier 4 Final Information– Emission Regulations Overview– Tier 4 Final Product Portfolio
Module 2 – Tier 4 Final TechnologiesDirect Flow Air Cleaner Cooled EGRCrankcase Ventilation System CM2350 Control TechnologyHigh Pressure Common Rail Selective Catalytic ReductionTurbo Technology Diesel Oxidation CatalystIntake Air Throttle Diesel Exhaust Fluid
Cummins Confidential14
CombustionTechnology
Electronic Controls
TurbochargersFuel
Systems
Aftertreatment System
Filtration and Diesel Exhaust Fluid
Integrating Critical Subsystems
Cummins Confidential16
Engine Technology OverviewTechnology
Direct Flow Air Cleaner Compact filter design improves packaging
Crankcase Ventilation System Patented coalescing technology
High Pressure Fuel System High fuel pressure, improves combustion & reduces PM in-cylinder
Variable Geometry Turbo Enhances power output Advanced VGT design enables effective
transient responseCooled EGR Reduces NOx in-cylinder
CM2350 Control Technology Integrated engine & aftertreatment control Common controls across all Cummins
Tier 4 Final Engine platformsIntake Air Throttle Improved exhaust thermal management,
during low load & low ambient conditions
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Aftertreatment Technology OverviewTechnology
Diesel Oxidation Catalyst Flow through device reduces hydro carbons Maintains optimum exhaust temperatures
Selective Catalytic Reduction Reduces NOx through catalytic reaction Flow through device
Decomposition Reactor Tube Mixer tube, where DEF is injected upstream of SCR
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Cummins Direct Flow Air Filter Specifically developed for Cummins Tier 4 system Flat profile maximizes filter media size to reduce
installation space by 35% Enables more efficient ‘Direct Flow’ of air through filter
compared to conventional radial seal filters Extends filter element change life
TM
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Why Direct Flow?
New Direct Flow air filter set within current OptiAir filter envelope demonstrates space saving
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Direct Flow™ offers greater dust holding capacity in a smaller package versus competitors
Superior Performance
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Clearing the Air with Crankcase Ventilation
During diesel engine operation, blow-by is generated by the leakage of combustion gases past piston rings Crankcase gases must be particularly well cleaned in order to
minimize turbocharger and intercooler deposits and fouling, as well as to reduce particulate loading on the exhaust aftertreatment system
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Cummins Tier 4 engines use open, dripless crankcase breather filter system with patented coalescing technology Engine crankcase breather systems filter blow-by gases being
vented from the crankcase to the atmosphere Oil/vapor/air mixture is vented from the crankcase to the
atmosphere via a coalescing filter, which allows oil to drain back to the crankcase and air to be vented to atmosphere The coalescing crankcase breather assembly is made of
aluminum material utilizing a rubber gasket material to seal
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Clearing the Air with Crankcase Ventilation
Optimizing Engine Performance
Changing emissions result in new fuel system technology, High Pressure Common Rail (HPCR) The HPCR provides precise fuel control for optimized in-
cylinder combustion, leading to better fuel efficiency and reduced emissions In addition to increasing power output and lowering fuel
consumption, HPCR reduces noise and engine vibration
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In order to control both NOx and particulate emissions accurately, the amount of recirculated exhaust gas and air has to be precisely metered into the engine under all operating conditions
For Cummins Tier 4/Stage IIIB 174-751 hp (130-560 kW) products, this has driven the use of variable geometry turbochargers
The Cummins Turbocharger is used in concert with an EGR control valve to accurately meter the cooled exhaust gas into the intake system, increasing performance and improving fuel economy
Variable Geometry Turbo (VGTTM)
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Benefits of Cummins VGTTM
1. Excellent transient response2. Improved fuel economy
Increased useful engine operating speed range
3. Proven durable design Reduced engine swept volume
and package size for a given rating Helps control Exhaust Gas
Recirculation (EGR) to meet emissions regulations Avoids the need for dual-turbo
complexity Mature technology, with over 3.5
million units produced by Cummins
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Speed
Boo
st
Fixed Geometry Turbocharging
WastegateTurbocharging
Variable GeometryTurbocharging
Pumping Losses
Increased Air/Fuel Ratio
Cummins variable geometry turbocharger with patented sliding nozzle design Improves boost efficiency across all engine speeds/loads Sliding nozzle design offers improved reliability over swing
vane
Cummins VGTTM –
Improved Transient Response
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Technology that diverts a percentage of the exhaust gas back into the cylinder, lowering combustion temperatures and reducing NOx emissions by 45% Improves fuel-efficiency Cummins short-loop system brings EGR directly back to
cylinder – avoids long route through turbo, CAC & DPF
Exhaust Gas Recirculation (EGR)
CA
C
EGR-Cooler
VG Turbo
EGRAir Control ValvesCummins Confidential34
CM2350 Electronics The CM2350 is the next generation Engine Control
Module (ECM). It replaces the CM850 used on Tier 3 and CM2250 used on Tier 4 Interim engines Integrated control which interacts with both engine and
aftertreatment Common platforms across QSB5 all the way up to QSK60
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The intake air throttle lowers the fresh air flow to the engine during thermal management modes, which raises the exhaust gas temperatures to maintain heat in the aftertreatment systems
Intake Air Throttle (IAT)
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39
Intake Air Throttle
Intake Air Connection
Intake Air Throttle
Wire Harness
QSB7 QSL9
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ECM – CM2350
Intake Air Throttle - Placement
Intake Air Throttle Valve
EGR Valve
Intake elbows and connection
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Operating Guidelines
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AEB010259Zone 1 – Cummins recommends operating outside Zone 1 for maintaining optimum exhaust temperature Zone 2 – Avoid prolonged operation to minimize long-term degradation
Intake Air Throttle significantly improves ability of the Tier 4 Final engine, to maintain necessary exhaust temperatures
Cummins recommends avoiding extended operation in the extreme low load & low ambient conditions
Diesel Oxidation Catalyst (DOC) removes PM in exhaust stream in combination with HPCR clean combustion
Engine exhaust
Clean exhaust with near-zero PM and NOx
Selective Catalytic Reduction (SCR) removes NOx in exhaust stream in combination with cooled EGR clean combustion
EcoFit Ultra-Low Emission (ULE) System
Clean combustion & aftertreatment work together to remove emissions at all exhaust temperatures without compromising power or fuel efficiency
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PM reduction from 15-30%− Oxidates Particulate Matter into
harmless products at normal exhaust temperatures
Flow-through Substrate– Cordierite material utilized for
MidRange engines– No maintenance or cleaning
necessary unlike a filter PGM coated substrate
– Platinum-Group Metals enable low temperature catalytic conversion
– Higher PGM loading and larger size than Tier 4 Interim increases capability
Compatible with ULSD – 15-ppm ultra-low sulfur diesel – Also tolerant to 500-ppm fuel
EcoFit DOC Technology
Light shown through substrate illustrates flow-through paths
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Lower Initial Cost
Minimize Installation Complexity
Fit & Forget Service-free
EcoFit DOC – Based On Mature Technology1,000,000+ DOC devices supplied by CES since 1994 Leveraging extensive on-highway experience Cummins Compact Catalyst proven at Tier 4 Interim with QSB5 & QSB7
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Diesel Oxidation Catalyst (DOC)
Selective Catalytic Reduction (SCR)
EcoFit Selective Catalytic Reduction (SCR)
SCR systems supplied by CES since 2005 Euro 4 Leveraging 26 billion miles of on-highway experience CES industry leading expertise in catalyst coatings and system interactions
1,000,000+
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SCR Chemistry
1. Decomposition Reactor
Doser unit injects DieselExhaust Fluid (DEF) 32.5% Urea / 67.5% Water
1. Thermal decomposition of Urea to Iso-Cyanic Acid and Ammonia
SCR Catalyst
2. Hydrolysis using H2O to convert Iso-Cyanic Acid to Ammonia and CO2
3. Reduction of Nitrogen Oxides to Nitrogen Gas and H2O
Ammonia Slip Catalyst
4. Reduction of Ammonia to Nitrogen Gas and H2O
Exhaust with PM removed by DOC
Clean exhaust with near-zero NOx and PM
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DEF Dosing Unit Injector
InsulationInlet Mixer
DEFExhaust Flow
How SCR Works 1: DEF Decomposition Thermal decomposition (Thermolysis) of Urea to Ammonia & Iso-Cyanic Acid
C ONH
H
HHN
H
C ONH
HHN
H
HHNHHNH
Iso-Cyanic Acid
Ammonia
H-N=C=OH2N
C = OH2N
+ NH3
DEF (Urea)
Ammonia & Iso-Cyanic Acid
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How SCR Works 2: Hydrolysis Hydrolysis process occurs with sufficient SCR temperature Water from DEF solution converts Isco-Cyanic Acid to Ammonia & CO2
SCR CatalystDecomposed DEF
mixed with exhaust gas
Iso-Cyanic Acid
Water
C ONH
C ONH
OH
H
OH
H
HHN H
CO
O
Carbon Dioxide
H HNH
HHN H
NH3H-N=C=O + H2O + CO2
Ammonia
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How SCR Works 3: NOx Reduction Reduction of Nitrogen Oxides (NOx) to Nitrogen Gas and water clean exhaust
NOx Water
Nitrogen GasH HN
H
HHN HH
HN H
OH
H
NO
N NNOO N ON
ON
OO
OO OH
HN N O
H
H
2NH3 + NO H2ON2 ++ NO2 2 3
SCR CatalystDecomposed DEF mixed with exhaust gas
Clean Exhaust Gas
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How SCR Works 4: Ammonia Removal ASC removes ammonia (NH3) that ‘slips’ past the SCR catalyst during any sudden
SCR catalyst temperature increase due to higher engine loads Flow through substrate coated with oxidation catalyst reduces
NH3 gas to below 25-ppm
Ammonia Slip
Catalyst
Clean Exhaust Gas
Water
Nitrogen Gas
SCR Catalyst
Ammonia HHN H
Oxygen
HHN H
NH3 N2 + H2O+ O2
HH
HNNN
H HASC
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SCR: Multi-Catalyst Design Twin-SCR catalysts provide more efficient surface area and exhaust gas flow System capable of achieving over 90% NOx conversion Separate slip-catalyst removes any remaining ammonia from exhaust gas
SCR general representation
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SCR - Enhanced Insulation Latest insulation techniques maintain optimum temperature throughout system to achieve higher NOx conversion
SCR general representation
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SCR – Open Loop Control
Sensor Table
Tier 4 Final utilizes latest high precision monitoring technology Dynamic ‘Open loop’ control doses DEF in proportion to engine out NOx levels
to target maximum NOx conversion efficiency Allows aftertreatment to function more efficiently while monitoring NOx levels,
exhaust flow rate, SCR temperature and DEF injection
Temperature Sensor
Temperature Sensor
SCR general representation
High precision sensors for: 1. Temperature2. NOx
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SCR – Robust Packaging Compact assembly gives better integration to OEM chassis in tight spaces Robust design with fewer parts & higher rigidity for off-highway applications Broad selection of inlet & outlet orientations
Patented spherical marmon sealing on inlet/outlet and all internal connections provides leak-resistant system integrity
SCR general representation
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SCR: Enhanced DEF Mixing Decomposition Reactor is designed for enhanced DEF spray mixing ahead
of SCR catalyst Horizontal & vertical mounting options
DEF Dosing Unit Injector
Insulation
Inlet MixerExhaust Flow
DEF (Urea) Decomposition
DeComp Reactor
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DEF (or AdBlue) is a solution of 32.5% high purity urea and 67.5% deionized water Acts as a reactant to deliver
ammonia to the SCR catalyst Safe, stable and easy to handle:
– Non-toxic– Non-polluting– Non-flammable– Non-hazardous
AirShieldTM DEF available from Cummins Filtration
Cummins Confidential57
2.5 gal. bottle
330 gal. tote
55 gal. drum
Diesel Exhaust Fluid
DEF Availability Rapidly expanding DEF
supply base with rapidly growing on-highway use Typically 70% the cost of
diesel – varies considerably with package sizeMany DEF suppliers in the
market Wide range of storage and
dispensing equipment options
Cummins Confidential58
DEF Tank/Pump
Engine ECM controls DEF dosing and constantly monitors SCR system to achieve lowest possible dosing rates while maximizing NOx reduction
Low DEF Consumption
DEF Doser & Decomposition Reactor enhance spray pattern mixing
SCR system – better insulated and designed for more efficient low temperature NOx conversion
Latest generation SCR system for Tier 4 Final enables an average DEF dosing rate of just 3% to fuel used Dosing rate is determined by duty-cycle
Cummins Confidential59
Introducing CES Tanks and Lines
Cummins Emission Solutions (CES) now offers DEF Tanks and Lines 5 yrs / 3000 hrs warranty Serviced through the same
Cummins worldwide claims system 5000+ hours of field testing across
diverse off-highway applications and counting… 20+ prototypes tanks and lines
systems sold to multiple OEMs
Cummins Confidential60
For more information, visit the Cummins Emission Solutions web site,
cumminsemissionsolutions.com
CES Product Offering
EcoFit Urea Tanks feature a full tank assembly with header unit and sensors, which monitor and maintain accurate urea level, temperature and urea quality– Available in 5,10,15 and 30 gallons in portrait and landscape shapes
Heated DEF lines with connectors (pressure, suction, throttle) – 0.5 meter to 3.0 meter in 0.5 meter increments
Coolant flow control valve
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Tank Assembly Benefits
Robust urea-quality sensing technology, designed with the required vibration durability to withstand rough terrain and steep gradients High-efficiency filtration, to eliminate small foreign particles,
improving system reliability Temperature-sensing technology, providing freeze-
prevention control Tank ventilation, allowing for appropriate tank expansion and
compression, providing flexibility for operation across a wide range of altitudes and environments
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Module 3 – Tier 4 Final Product Architecture and Features– 4 cylinder: QSB5– 6 cylinder: QSB7, QSL9
Module 4 - Tier 4 Final Operations & Maintenance– Operator Guidelines– SCR & DEF: EPA Inducements– Service Intervals
Performance ValidationFurther Resources
Agenda
Cummins Confidential63
QSB5 QSB7 QSL9
DOC-SCR
Tier 4 Final – Product Offering
Competitive power density
Simple aftertreatment configuration
Consistent architecture across the power ranges
Single, integrated engine & aftertreatment controls across power range
Dual speed capability as standard
Improve fuel efficiency
Flexible mounting through multiple AT configurations
Cummins Confidential65
QSB5 Tier 4 Final
Achieves Tier 4 emissions standards using Cooled Exhaust Gas Recirculation (EGR), Selective Catalytic Reduction (SCR) and the Diesel Oxidation Catalyst (DOC) The new Variable Geometry Turbocharger
manages the cooled EGR flow across the entire load range Provides a cleaner and more efficient
combustion resulting in better fuel efficiency compared to Tier 3 engine
Cummins Confidential66
∆ P sensors for EGR Measurement
DOC SCRAMOX
DEF Mixer
SCR and AMOX catalyst
DEF
Air Intake
Direct flow air cleanerwithTBAP Sensor
CA
C
EGR Cooler
QSB5: System Architecture
67
New for Tier 4 Final
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QSB5 Tier 4 Final OverviewTier 3 Tier 4i Tier 4F
Ox Control In-Cylinder Cooled EGR Cooled EGR + SCR
PM Control In-Cylinder CCC DOC
Fuel System Crin 1.6 Crin 3 Crin 3
Intake Air System OEM Specified Direct Flow Direct Flow & IAT
Air Handling Wastegate VFT VGT
Grid Heater Optional Mandatory Mandatory
ECM CM850 CM2250 CM2350
Wire Harness PGI PGI PGI
Controls Interface Hardwired or J1939 J1939 J1939
System Voltage 12V or 24V 12V or 24V 24V
Crankcase Open Open with coalescing filter Open with coalescing filter
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QSB7 Tier 4 Final Achieves Tier 4 emissions standards using
Cooled Exhaust Gas Recirculation (EGR), Selective Catalytic Reduction (SCR) and Diesel Oxidation Catalyst (DOC)
The patented Variable Geometry Turbocharger enhances response, providing exact boost across the operating range. Sliding nozzle design increases reliability and durability Provides a cleaner and more efficient
combustion resulting in better fuel efficiency compared to Tier 3 engine
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QSB7 Tier 4 Final Overview
Tier 3 Tier 4i Tier 4 Final
NOx Control In-Cylinder Cooled EGR Cooled EGR & SCR
PM Control In-Cylinder DOC & DPF DOC
Fuel System Crin 1.6 Crin 3 Crin 3
Intake Air System OEM Specified Direct Flow Direct Flow & IAT
Air Handling Wastegate VGT VGT
Grid Heater Optional Mandatory Mandatory
ECM CM850 CM2250 CM2350
Wire Harness Industrial w/ optional PGI PGI PGI
Controls Interface Hardwired or J1939 J1939 J1939
System Voltage 12V or 24V 24V 24V
Crankcase OpenOpen with Coalescing
FilterOpen with Coalescing
Filter
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QSL9 Tier 4 Final
Achieves Tier 4 emissions standards using Cooled Exhaust Gas Recirculation (EGR), Selective Catalytic Reduction (SCR) and Diesel Oxidation Catalyst (DOC) Incorporates Cummins XPI Extra-High
Pressure Injection fuel system providing cleaner, more efficient combustion and improved response, resulting in better fuel efficiency compared to Tier 3 engine
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QSL9 Tier 4 Final Overview
Tier 3 Tier 4i Tier 4 Final
NOx Control In-Cylinder Cooled EGR Cooled EGR & SCR
PM Control In-Cylinder DOC & DPF DOC
Fuel System CCR/Crin 1.6 XPI XPI
Intake Air System OEM Specified Direct Flow Direct Flow & IAT
Air Handling Wastegate VGT VGT
Grid Heater Optional Mandatory Mandatory
ECM CM850 CM2250 CM2350
Wire Harness Industrial w/ optional PGI PGI PGI
Controls Interface Hardwired or J19139 J1939 J1939
System Voltage 24V 24V 24V
Crankcase OpenOpen with Coalescing
FilterOpen with Coalescing
Filter
Cummins Confidential72
EGR-
Cool
er
TT
NO
x
DOC
TT
DO
C
DEF Doser,Module
SCR
AM
OX N
Ox
SCR
QSB7 and QSL9 T4FG-Drive Architecture
Cummins Confidential73
Agenda
Module 3 – Tier 4 Final Product Architecture and Features– 4 cylinder: QSB5– 6 cylinder: QSB7, QSL9
Module 4 - Tier 4 Final Operations & Maintenance– Operator Guidelines– SCR & DEF: EPA Inducements– Service Intervals
Performance ValidationFurther Resources
Cummins Confidential74
Operator Guidelines
1. Ultra-Low Sulfur Diesel Fuel (ULSD) Cummins Tier 4 Final engines must be operated on
ULSD with a maximum sulfur content of 15 ppm or less
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Operator Guidelines
2. Low Ash Engine Oil Ash from in-cylinder combustion can impact the
performance of your aftertreatment system Using a low-ash engine oil promotes cleaner
combustion, and helps the aftertreatment system perform optimally
Recommended engine oils such as API CJ-4 or ACEA-E9 engine oil should be used
Cummins Confidential77
Operator Guidelines
3. Diesel Exhaust Fluid (DEF) DEF (known as AdBlue in Europe) is a critical element of
the Tier 4 Final aftertreatment system The DEF you purchase should meet and display
certification for the American Petroleum Institute (API) in North America
- DEF is widely available throughout North America and Europe
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Operating Guidelines
Intake Air Throttle significantly improves ability of the Tier 4 Final engine, to maintain necessary exhaust temperatures
Cummins recommends avoiding extended operation in the extreme low load & low ambient conditions
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AEB010259Zone 1 – Cummins recommends operating outside Zone 1 for maintaining optimum exhaust temperature Zone 2 – Avoid prolonged operation to minimize long-term degradation
SCR, DEF & EPA Inducements
Selective Catalytic Reduction is the most widely used and most effective technology to meet Tier 4 Final NOx levels
Requires using Diesel Exhaust Fluid (DEF) EPA mandates ‘Inducements’ from aftertreatment related faults, including
DEF mis-management
Cause Warnings (Yellow Lamp)
Final Inducement(Red Lamp)
DEF Level 10%, 5%, 2.5% tank levels 30 min after DEF Gauge reads 0%
DEF Quality 3.0 Hours 1.0 Hour
DEF Tampering or Malfunction
3.0 Hours 1.0 Hour
EGR Off 3.0 Hours 1.0 Hour
SCR Off 3.0 Hours 1.0 Hour
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* Maximum of 4 restarts allowed every 15 minutes after first shutdown after final inducement* No more restarts allowed after 1 hr / 4 restarts
Maintenance Intervals
Air Filter (Direct Flow):Check restriction gaugeReplace primary & secondary filter if needed
3 months or 250 hours
Lube Oil, Lube Filter 6 months or 500 hoursFuel Filter 6 months or 500 hoursCrankcase Breather 2000 hoursDEF Dosing Unit Filter 3 years or 4500 hoursOverhead Set 4 years or 5000 hoursCummins Compact Catalyst (DOC) No scheduled serviceSelective Catalytic Reduction No scheduled service
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Validation Results Over 28,000 hours of testing and validation 15,000 out of 28,000 hours are from field test Field testing profile are broken down in graphic/bullet below
- 65% of field test hours under 30% load- 40% of field test hours below freezing temp
Cummins Confidential85
0% load, 20%
less than 10%, 19%
less than 30%, 15%
greater than 50%, 32%
Pump Jack, 14%
Load Profile (% Test Hours) less than 0 F2%
0-10 F15%
11-20 F11%
21-30 F17%31-40 F
21%
41-50 F12%
greater than 50 F22%
Temp. Profile (% Hours)
Pump Jack and Cold Weather Test Results
Steady State and Pump Jack Testing– For Regeneration, DOC-in temperature should be 250C or
greater• Graphs bellow show capability at various low load and low ambient
temperature conditions as well as pump jack cycle simulation
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Further Resources
Cummins G-Drive Website– http://www.cumminsgdrive.com/
Global Customer Engineering Website– https://gce.cummins.com/
Smartphone Apps– Forward to Final Toolbox - http://cumminstoolbox.com/web/
– Tier 4 Operator Guide - http://cumminsengines.com/tier-4-app
– Available in both Google Play and iTunes App stores
Cummins Confidential88