PACCAR Powertrain PACCAR PowertrainElite Truck Parts Silicone Hose - 3/8" x 25Ft Roll ID: ETP-D1029-2934X25. ETP-D1029-2934X25. Special Price $45.63 Regular Price $51.86. Add to Cart.2012 with 500,000. Technician: Wayne. Thank you for that. The most common issue is the air compressor. head gasket, drain down the air tanks,remove the discharge line. start and run it if it quit, then compressor head gasket. if it did not quit, then engine head gasket. I hope this helps you.The Paccar MX13 EPA13 engine overhaul shop manual is intended for professional diesel mechanics and contains mechanical overhaul instructions for MX13 EPA2013 engines. In this shop manual you will find specifications, illustrations and out-of-chassis procedures specifically related to engine basic assembly overhaul/rebuild.PACCAR MX Engines with Air in Fuel System after Secondary Fuel Filter Replacement Release Date 11/14/2018 Revision 11/15/2018: Corrected affected fuel filter part number. Condition The engine may not start or have a lack of power immediately after replacing the secondary fuel filter. Some fuel filtersAll chassis built with Engine Model Year 2018 through 2020 PACCAR MX-11 built through 12/24/2019 or MX-13 engines built through 01/17/2020. In addition, all chassis with PACCAR MX-13 engines built prior to Engine Model Year 2018 that were built with a Hengst brand OCV and has been retrofitted to the Cummins brand OCV. Action Information OnlyMX-13 2021 ENGINE CHART 1,850 @ 1,000 1,650 @ 900 1,650 @ 900 1,550 @ 900 MORE EFFICIENT POWER WITH IMPROVED DOWNSPEEDING The PACCAR MX-13 offers a peak torque at a low RPM – delivering a smoother driving experience, higher productivity and greater fuel economy than ever before.Feb 12, 2023 · The Paccar MX 13 ECM Wiring Diagram is one of the most highly sought after diagrams in the trucking industry. This wiring diagram is used to help diagnose electrical and fuel system issues, allowing technicians to quickly pinpoint the location of a fault. With the Paccar MX 13 ECM Wiring Diagram, the job of troubleshooting can be made easier ... Having air getting my system somehow in my paccar MX 13 engine. I replaced all fuel filters and I also replace two fuel lines in the passenger side plus the t fittings in the center of the frame there were two that I replaced if I let my truck sit I lose my prime and my engine I don't know what the problem could be the I don't think it's fuel pump or sensor I shut off passager side fuel tank ...P1560 = Coolant level - Data valid but too low, moderately severe P1563 = PCI ECU power supply - Data valid but too low, most severe P1564 = Fuel pressure - Data erratic, intermittent, or incorrect at ignition on P1568 = Coolant pump clutch 1 - Short circuit to ground P1569 = Coolant pump clutch 1 - Short circuit to supplyIntroduction to the MX-13 fuel systemThe 12.9 Litre PACCAR MX-13 engine uses state of the art technologies, fi rst class materials, extensive function integration and a heavy duty foamed wire loom to achieve highest reliability and durability. Excellent torque at low engine speeds and a high performance is available over a<br/>wide rev. range. The best engine has become even better. Kenworth TrucksOBD2 Sensors. >> Paccar MX11 / MX13 I6 Engine Sensor Locations. Driver Side of 2012 PACCAR MX13 I6. Common Rail Fuel injectors (under valve cover center of cylinder head) Unit Pumps (rear of engine fitted to engine block) Fuel Rail Pressure Sensor (middle of fuel rail) Supply Fuel Pressure Sensor (located on driver side rear of engine) Fuel ...Nov 6, 2010 · 11. Coolant filter 12. Lubricating oil filter 13. Heat exchanger coolant outlet 14. Starter motor 15. SAE number 1 flywheel housing. Rear View QSL (CM850 Electronic Control Module) 1. Air cleaner and filter 2. Turbocharger compressor side 3. Turbocharger exhaust turbine side 4. Water cooled exhaust elbow 5. SAE number 1 flywheel housing 6 ... May 23, 2016 · PACCAR MX-13 Cooling packages With the belt tensioner pressure Air-Conditioning Compressor wire to the battery. relieved, remove the poly V-belt Drive and Coolant Pump Drive from the pulleys. Removal ° The tensioner can be 1. Remove the poly V-belt from the temporarily blocked with fan and coolant pump drive as... Page 79 Maintenance Procedures 2.The Paccar MX13 EPA13 engine overhaul shop manual is intended for professional diesel mechanics and contains mechanical overhaul instructions for MX13 EPA2013 engines. In this shop manual you will find specifications, illustrations and out-of-chassis procedures specifically related to engine basic assembly overhaul/rebuild.The new PACCAR MX-13 engine’s common rail system with injection pressures to 2,500 bar, helps achieve the lowest possible fuel consumption, emission and noise levels. The PACCAR MX-13 engine is designed to meet the demands of both linehaul and vocational heavy-duty truck applications. 2013 PACCAR MX Diagnostic Service Manual 280 | Page During an uncontrolled situation, a minimum rail pressure between 300 and 800 bar [4351 and 11603 psi] is guaranteed depending on engine speed, fuel temperature, etc. Effect on the system: x Controls the rail pressure if the normal rail pressure control is lost (e.g., aHaving air getting my system somehow in my paccar MX 13 engine. I replaced all fuel filters and I also replace two fuel lines in the passenger side plus the t fittings in the center of the frame there were two that I replaced if I let my truck sit I lose my prime and my engine I don't know what the problem could be the I don't think it's fuel pump or sensor I shut off passager side fuel tank ...Instant Download. OS: Windows XP 32 bit, Windows 7 32 bit, Windows 7 64 bit, Windows 8/8.1 32 bit, Windows 8/8.1 64 bit, Windows 10 32 bit, Windows 10 64 bit, Windows 11 64 bit. Price, USD: 49. Buy now. Paccar pdf manual instant preview. We have the PDF Electrical Circuit Diagram information for Paccar MX-13 (EPA13) in stock and it is possible ...coolant level drops, add coolant until it returns to the “MIN” line. 6. Close the air bleed valve that was opened in Step 1. 7. Start the engine and maintain an idle at low rpm. 8. While the engine is idling air will purge from the cooling system through the surge tank's coolant fill port, which will lower the coolant level in the surge tank.the 07 volvo d12 is bad about egr coolers leaking and in some cases pressurizing coolant system, another possibility on the d12 is a air compressor with a bad head gasket will do this as well. napa sells a combustion gas tester, not very expensive ( like flightline mentioned). there is also a water indicating paste you can put on your dipstick and insert it down in the oil and wait a min or ...coolant level drops, add coolant until it returns to the “MIN” line. 6. Close the air bleed valve that was opened in Step 1. 7. Start the engine and maintain an idle at low rpm. 8. While the engine is idling air will purge from the cooling system through the surge tank's coolant fill port, which will lower the coolant level in the surge tank.fuel, and cooling systems. Remain alert for possible pressure when disconnecting any device from a system that contains pressure. High pressure oil or fuel can cause death or personal injury. • Always wear protective clothing when working on any refrigerant lines and make sure that the workplace is in a well ventilated area. Inhalation of ...Web 2013 386 Paccar MX. Paccar Mx 13 Cooling System Diagram. Web 56 Peterbilt Wiring Schematic Pdf Truck Manual Diagrams Fault Codes Free. PACCAR Truck Types of Vehicle. Web Diagram Mx 13 System Fuel Paccar xrm High signal voltage detected at engine coolant level circuit Includes following engines. CAT C9 C13 C15 Cummins ISM ISX Mx Diagram 13.Feb 18, 2021 · 2019 Paccar engineKenworth engine MX-13 engine Coolant problem Head gasket problem 376,000 miles:(I called Kenworth and I have to take to the shop, and they ... 2019 Paccar engineKenworth engine MX-13 engine Coolant problem Head gasket problem 376,000 miles:(I called Kenworth and I have to take to the shop, and they ...Trucks Paccar Peterbilt 587 Owner's Manual. (21 pages) Trucks Paccar Peterbilt 567 2021 Manual. (332 pages) Trucks Paccar Peterbilt 320 Operator's Manual. (212 pages) Trucks Paccar DAF CF Driver Manual. (375 pages) Trucks Paccar KENWORTH T2000 Maintenance Manual.Peterbilt Trucks Electrical Wiring Diagrams & Schematics. In 1939, Peterbilt was established as a company. Currently, it operates as a division of the American firm PACCAR. Peterbilt has been in business for almost 70 years and, throughout that time, has manufactured a vast quantity of trucks, tractors, and chassis.instrumentation and with 2013 emission compliant paccar mx engines. 2) how to use this diagram: each connector has a distinct alphanumeric "reference designator" or "ref des" associated with it. use this ref des to find connector information in the connector information table. 4) designates a reference point on another sheet or diagram. paccar mx-13 fuel in coolant. pulled injector and coolant is dripping out of the small hole above the injector cup. guess thats the fuel port? i pressurize coolant system and it starts to heavily flow … read morecoolant level drops, add coolant until it returns to the “MIN” line. 6. Close the air bleed valve that was opened in Step 1. 7. Start the engine and maintain an idle at low rpm. 8. While the engine is idling air will purge from the cooling system through the surge tank's coolant fill port, which will lower the coolant level in the surge tank.Model Contents: Diagrams. Fault Code Troubleshooting. Location Information. MX EPA10 Service Manual. Fault Code Troubleshooting\Block Diagram. Fault Code Troubleshooting\Description of Components. Fault Code Troubleshooting\Electrical Diagrams. Fault Code Troubleshooting\Faults – P Codes.May 23, 2016 · PACCAR MX-13 Cooling packages This manual allows you to find the necessary information for the user, as well as to print out individual pages or the entire text as a whole. All pages 16 x 24-inch paper sheets converted to digital PDF format. Includes following engines: CAT C9 C13 C15, Cummins ISM, ISX. Complete fully detailed wiring diagrams showing all Peterbilt 389 ...If you are experiencing pressure within the coolant reservoir, then the problem is highly likely a head gasket or a problem within the cylinder head getting combustion gases into the cooling system. Use a cooling system block tester to test for combustion gases. Also, I would check to see if you have any signs of coolant in the crankcase oil as ...Sep 12, 2018 · 2 40 Post Intercooler Temp Ground. 1 16 Oil Temperature AI. Oil Temperature Senso r. 2 15 Oil Temperature Ground. f PACCAR MX-13 (ENGINE PERFORMANCE WIRING DIAGRAM) Page 5 of 10. Sensors, Intermediate Connector, Electronic Fan Interface Connector, PCI ECU Connector C. PACCAR MX-13 EPA2017 engines may have a faulty Oil Bypass Valve located in the Oil Filter Cap assembly. The plastic retaining tabs could break off and put the lubrication system into an unfiltered state. An improved oil thermostat is also available for this same population of vehicles and will be installed at this time.7. ECM cooling plate inlet 8. ECM cooling plate outlet 9. Pressure-side fuel filter inlet 10. Pressure-side fuel filter (5-micron) 11. High-pressure fuel pump inlet 12. High-pressure fuel pump 13. Fuel pump actuator 14. High-pressure fuel pump outlet 15. High-pressure fuel rail supply 16. Fuel rail 17. Fuel pressure sensor location 18.PACCAR Powertrain Jun 26, 2022 · Paccar Mx 13 Operator S Manual Y53 1181 1k1 En. Paccar Mx 13 Epa13 Engine Obd Diagnostic Service Manual Mypowermanual. Electric Cooling Fan Wiring Diagram. Egr Systems Components. Paccar Mx 13 Epa Ghg17 Engine Wiring Diagram. Pump Manual Fuel Priming 1857668pe Oem Paccar Engine Big Rig World. Paccar Mx13 Fan Clutch Hub In Hudson Co 315481 Paccar mx 13 fuel system diagram. Thank-you Page 51 Coolant Suppliers Dirt or water in the fuel system can Using diesel fuels blended with lubri- Authorized PACCAR Engine dealer cause severe damage to both the fuel cants may cause damage to your ex- pump and the fuel injectors.Lml duramax coolant leak drivers side. Oct 31, 2012 · The Paccar MX-13, Paccar PX-9 and Paccar PX-7 engines are designed to maximize fuel efficiency and reliability while providing a low total cost of ownership. Paccar MX13 nox sensor, P/N 2006246.Feb 12, 2023 · The Paccar MX 13 ECM Wiring Diagram is one of the most highly sought after diagrams in the trucking industry. This wiring diagram is used to help diagnose electrical and fuel system issues, allowing technicians to quickly pinpoint the location of a fault. With the Paccar MX 13 ECM Wiring Diagram, the job of troubleshooting can be made easier ... Peterbilt Trucks Electrical Wiring Diagrams & Schematics. In 1939, Peterbilt was established as a company. Currently, it operates as a division of the American firm PACCAR. Peterbilt has been in business for almost 70 years and, throughout that time, has manufactured a vast quantity of trucks, tractors, and chassis.I have a 2015 kw t680 paccar mx 13. I have SCR system issues, Engine stop, max derate. and can't do forced regen. I tried to clear codes but will come back when turning off the truck and try to start it again. I replaced the dosser valve and outlet nox sensor and the codes did not go away.Since 2017, Kenworth has been offering models T680 and T880 (MX-11 and MX-13 engines) with an updated Predictive Cruise Control system that works with GPS satellites, which allows the driver to save fuel on difficult sections of the route, as the computer chooses optimal operation of the power unit, depending on the terrain and weather ...Sep 12, 2018 · 2 40 Post Intercooler Temp Ground. 1 16 Oil Temperature AI. Oil Temperature Senso r. 2 15 Oil Temperature Ground. f PACCAR MX-13 (ENGINE PERFORMANCE WIRING DIAGRAM) Page 5 of 10. Sensors, Intermediate Connector, Electronic Fan Interface Connector, PCI ECU Connector C. The 12.9 Litre PACCAR MX-13 engine uses state of the art technologies, fi rst class materials, extensive function integration and a heavy duty foamed wire loom to achieve highest reliability and durability. Excellent torque at low engine speeds and a high performance is available over a<br/>wide rev. range. The best engine has become even better.Manuals and User Guides for Paccar MX-13. We have 4 Paccar MX-13 manuals available for free PDF download: Operator's Manual, Programming Manual. fuel, and cooling systems. Remain alert for possible pressure when disconnecting any device from a system that contains pressure. High-pressure oil or fuel can cause death or personal injury. • Always wear protective clothing when working on any refrigerant lines and make sure that the workplace is well ventilated. Inhalation of fumes can cause Jun 16, 2018 · I then started getting water in fuel light. I would drain it and it looked like pink lemonade coming out. Failed catastrophically shortly after. Dumped gallons of coolant in one night. Pete dealer diagnosed and found passenger side fuel tank heater failed. Had it replaced, drove 500 miles home water in fuel code again. Put a coolant system pressure bleed-down tester on it when it's cold. Start the truck and let it run until the thermostat opens and watch what the pressure builds to as it continues to idle. If it runs high, you either have a blown head gasket or (more likely with the "wet-stacking") a cracked head.Trucks Paccar Peterbilt 587 Owner's Manual. (21 pages) Trucks Paccar Peterbilt 567 2021 Manual. (332 pages) Trucks Paccar Peterbilt 320 Operator's Manual. (212 pages) Trucks Paccar DAF CF Driver Manual. (375 pages) Trucks Paccar KENWORTH T2000 Maintenance Manual. Posts: 81 Threads: 11. Joined: Apr 2012. 2 05-18-2018, 03:12 AM. (05-17-2018, 04:29 AM)ddi13 Wrote: I have a problem with removing air from COOLING SYSTEM. and can not full fill the oil sump. so who help me to support a cooling and lubrication system diagram. for MX11 engine？. the VIN is 0G057301. thanks a lot.Trucks Paccar Peterbilt 587 Owner's Manual. (21 pages) Trucks Paccar Peterbilt 567 2021 Manual. (332 pages) Trucks Paccar Peterbilt 320 Operator's Manual. (212 pages) Trucks Paccar DAF CF Driver Manual. (375 pages) Trucks Paccar KENWORTH T2000 Maintenance Manual.2015 KW t680. Paccar MX-13 with eaton ultra shift. recently replaced clutch 3-4 weeks ago. Truck has run fine. has 980k on it. Died on the driver the other day. I have JPro and Paccar Davie. Got a bun … read moreA Paccar MX-13 Coolant Diagram is a visual representation of the coolant system in a Paccar MX-13 engine. It shows the various components and how they are connected, allowing technicians and mechanics to easily understand and troubleshoot issues related to the coolant system. The coolant system is a crucial aspect of any engine, as it helps to ...PACCAR MX EGR Pressure Decay and Flush Service Kit Sealing Caps Release Date 7/15/2020 Introduction For all models equipped with MX-13 and MX-11 engines, the EGR Cooler sealing caps (part numbers 2124335, 2124339 and 2124351) may deteriorate when used with heated EGR cleaning solution. New caps made of stainless steel are now EPA2017 and later MX-11 Engine Brass Coolant Fittings Pre-EPA2017 MX-11 Engine Brass Coolant Fittings CLAIM CODING Failure Location: 042-004-017 Work Accomplished: 35 Failure Type: 155 Responsibility Code: 01 SRT Code: B42-056 0.9 hrs. Replace coolant fittings. Includes time to drain and fill cooling system. Claim Type: N/EPACCAR MX-13 Cooling packagesGeneral information Six-cylinder in-line turbocharged diesel engine with intercooling. Ultra clean combustion with Exhaust Gas Recirculation (EGR), Diesel Particular Filter (DPF) and Selective Catalytic Reduction (SCR) aftertreatment for Euro 6 emission levels. Bore x stroke 130 x 162 mmPiston displacement 12.9 litresCompression ratio 18.5 to 1 For PACCAR MX powered vehicles The following information is sourced from the MX-13 and MX-11 Operator Manuals as of 01/01/2019. Paraffinic (Renewable) Diesel Fuel PACCAR Inc. approves the use of paraffinic diesel at any blend level or as a stand-alone fuel, providing that the following conditions are met:Paccar Mx 13 Operator S Manual Y53 1181 1k1 En. Paccar Mx 13 Epa13 Engine Obd Diagnostic Service Manual Mypowermanual. Electric Cooling Fan Wiring Diagram. Egr Systems Components. Paccar Mx 13 Epa Ghg17 Engine Wiring Diagram. Pump Manual Fuel Priming 1857668pe Oem Paccar Engine Big Rig World. Paccar Mx13 Fan Clutch Hub In Hudson Co 3154812015 KW t680. Paccar MX-13 with eaton ultra shift. recently replaced clutch 3-4 weeks ago. Truck has run fine. has 980k on it. Died on the driver the other day. I have JPro and Paccar Davie. Got a bun … read moreThe 12.9 Litre PACCAR MX-13 engine uses state of the art technologies, fi rst class materials, extensive function integration and a heavy duty foamed wire loom to achieve highest reliability and durability. Excellent torque at low engine speeds and a high performance is available over a<br/>wide rev. range. The best engine has become even better.This 2. Place an oil collection pan directly can cause a dangerous high current Use of non-genuine oil filters can under the oil filter. Page 58 PX-7 and PX-9 extended until the oil drain interval. gine, as viewed from the driver's seat. Procedure for installing the PACCAR PX-7 or PX-9 fuel filter.2013-2016 Paccar MX13 EPA13 Engine Service Manual. The Paccar MX13 EPA13 service manual is a downloadable compilation of service job bulletins containing OEM technical data, specifications, maintenance, removal and installation, disassembly and assembly, overhaul, inspection, cleaning and reconditioning instructions for the diesel engine. 1. Purchase this item from a Paccar dealer: a. A non-chemical coolant filter. Paccar P/N 1843659 b. Note: No gaskets or o-rings need be purchased for the thermostat housing. 2. The following items are sourced from Evans Cooling Systems, Inc.: 888-990-2665 a. Enough Evans waterless Heavy Duty Formula coolant. (13 gallons shouldBenefits with DPF Delete. There are three key benefits associated with DPF delete: more engine power, better fuel economy, and reduced maintenance costs. More power: After deleting the DPF, most owners report a better performing, faster responding engine. Better fuel economy: Fuel economy is a big winner after deleting the DPF. 1 26 CR Release Valve Ground. Common Rail Pressure Release Valve. 4330. 2 4 CR Release HS PO. f Page 6 of 10. PACCAR MX-13 (ENGINE PERFORMANCE WIRING DIAGRAM) Sensor, Ventilation Module, Coolant Level Sensor Connector, Electronic Fan Interface Connector, PCI ECU Connector C. P1560 = Coolant level - Data valid but too low, moderately severe P1563 = PCI ECU power supply - Data valid but too low, most severe P1564 = Fuel pressure - Data erratic, intermittent, or incorrect at ignition on P1568 = Coolant pump clutch 1 - Short circuit to ground P1569 = Coolant pump clutch 1 - Short circuit to supplyAug 17, 2016 · Put a coolant system pressure bleed-down tester on it when it's cold. Start the truck and let it run until the thermostat opens and watch what the pressure builds to as it continues to idle. If it runs high, you either have a blown head gasket or (more likely with the "wet-stacking") a cracked head. May 23, 2016 · PACCAR MX-13 Cooling packages OBD2 Sensors. >> Paccar MX11 / MX13 I6 Engine Sensor Locations. Driver Side of 2012 PACCAR MX13 I6. Common Rail Fuel injectors (under valve cover center of cylinder head) Unit Pumps (rear of engine fitted to engine block) Fuel Rail Pressure Sensor (middle of fuel rail) Supply Fuel Pressure Sensor (located on driver side rear of engine) Fuel ...
Dec 24, 2015 · 7. ECM cooling plate inlet 8. ECM cooling plate outlet 9. Pressure-side fuel filter inlet 10. Pressure-side fuel filter (5-micron) 11. High-pressure fuel pump inlet 12. High-pressure fuel pump 13. Fuel pump actuator 14. High-pressure fuel pump outlet 15. High-pressure fuel rail supply 16. Fuel rail 17. Fuel pressure sensor location 18. . What happens if you donpercent27t pay leaseville
The Paccar MX 13 ECM Wiring Diagram is one of the most highly sought after diagrams in the trucking industry. This wiring diagram is used to help diagnose electrical and fuel system issues, allowing technicians to quickly pinpoint the location of a fault. With the Paccar MX 13 ECM Wiring Diagram, the job of troubleshooting can be made easier ...fuel, and cooling systems. Remain alert for possible pressure when disconnecting any device from a system that contains pressure. High-pressure oil or fuel can cause death or personal injury. • Always wear protective clothing when working on any refrigerant lines and make sure that the workplace is well ventilated. Inhalation of fumes can cause MX-13 2021 ENGINE CHART 1,850 @ 1,000 1,650 @ 900 1,650 @ 900 1,550 @ 900 MORE EFFICIENT POWER WITH IMPROVED DOWNSPEEDING The PACCAR MX-13 offers a peak torque at a low RPM – delivering a smoother driving experience, higher productivity and greater fuel economy than ever before.For access to PACCAR service, training, and the diagnostic tool, please follow the link below. View the Portal Operator's Manuals. MX-13; MX-11; MX MAINTENANCE INTERVALS; TX-12; DX-40; FX-20; PX-7; PX-9The Peterbilt Model 567 comes with a wide range of engines. Select from fuel-efficient diesels known for their unsurpassed strength, reliability and performance, including the PACCAR MX-13, PACCAR MX-11, PACCAR PX-9 and Cummins X15, or the near-zero emissions natural gas Cummins ISX12N and Cummins L9N.2013 PACCAR MX Diagnostic Service Manual 61 | Page Possible causes Restriction in the fuel supply or low performance of the fuel lift pump. Items to check: x The position of the nonreturn valves an d the cleanliness of the fuel sieve in the hand primer pump, using the job, “replace strainer (Fuel system), job ID 66976.”It is operated via a gear-driven DC motor and includes a Hall effect sensor for position feedback. An integrated water cooling system can also be incorporated. The perpendicular arrangement of the valve and actuator axes facilitates packaging on the engine and in the vehicle. Figure 13. Light-duty engine EGR valve (Source: Pierburg GmbH) PACCAR MX-13 EPA2013 Loose Injector or High Pressure Fuel Line Failures. Release Date 6/2/2014 Condition Use this bulletin when the symptoms are; fuel leaking from the high-pressure fuel lines or from the fuel injectors. Chassis Affected Any PACCAR MX-13 EPA2013. Action INFORMATION ONLYBenefits with DPF Delete. There are three key benefits associated with DPF delete: more engine power, better fuel economy, and reduced maintenance costs. More power: After deleting the DPF, most owners report a better performing, faster responding engine. Better fuel economy: Fuel economy is a big winner after deleting the DPF. Aug 4, 2023 · The Peterbilt Model 567 comes with a wide range of engines. Select from fuel-efficient diesels known for their unsurpassed strength, reliability and performance, including the PACCAR MX-13, PACCAR MX-11, PACCAR PX-9 and Cummins X15, or the near-zero emissions natural gas Cummins ISX12N and Cummins L9N. PACCAR MX-13 EPA13 EMY2013 - 2015A NOx Emissions Improvement and On Board Diagnostic (OBD) System Readiness and Other OBD System Issues Release Date 8/16/2019 Revision History 08/28/2019 - Added chassis for the remaining 49 states and Canada to the attached Address List.It combines durable PACCAR MX engines and DX-40k tandem drive axles; The integration of these components allows for effortless pulling, improved efficiency, enhanced fuel economy and increased driver comfort; The PACCAR MX-13, PACCAR MX-11 and PACCAR PX-9 engines utilize a combination of proven technologies and state-of-the-art innovations.