2015 Isuzu Npr 200 Service Manual
Who is Isuzu? Isuzu Motors was founded in 1916 and has since become an innovator in vehicle manufacturing and is a worldwide leading diesel engine manufacturer.
As the company developed, Isuzu has boldly taken on the challenge of global leadership in both commercial vehicles and diesel engines while maintaining its traditions. As a global industry leader, a primary focus on quality, manufacturing systems, and customer product & service support are paramount. Contact your local Isuzu sales or service representative to find out more about Isuzu and how Isuzu can work for you. Who uses Isuzu engines? The world’s most profitable equipment operators! Isuzu engines are used around the globe in non-road and on-road applications. Besides being a leading truck producer, Isuzu is also a favorite supplier to some of the largest equipment makers in the construction industry.
Isuuz supplies high performance diesels to many major OEM’s, namely Hitachi – also branded John Deere, Sumitomo Construction Machinery – also branded CASE and New Holland, JCB, Kawasaki, and TEREX. Isuzu engines are used widely in excavators, wheel loaders, fork trucks, skid steer loaders, air compressors, generators, pumps, and other niche equipment models. How many engines does Isuzu sell per year? More than one million engines for on-highway and off-highway are produced annually and we estimate more than 400,000 engines are working in the U.S.
Why is Isuzu so expensive? The question is really “what contributes to higher costs”? Isuzu engines are designed and manufactured to be the best. Describing the actual detail would tip off the “other guys”, leveling the playing field.
However, the major contributing factors are from stronger cylinder blocks, hardened crank shafts, hardened cam shafts, extremely precise cylinder wall to piston ring to piston fit, and highly tuned and calibrated fuel injection equipment and calibrations. End users realize these features in a variety of ways, including but not limited to longer engine life, significant fuel efficiency, a drastic reduction in lube oil consumption, reduced vibration, and the overall machine operation having a satisfactory power band. Each of these design characteristics has a cost. Because Isuzu engines are sold globally, service is not always a readily available resource.
That said, it is ideal that our engines experience fewer failures, operate with extended service intervals, and provide end users the best possible return on their investment. What is the warranty on my engine? Isuzu engine warranties vary per equipment manufacturer.
If your equipment manufacturer did not provide you with an engine warranty card or if you have lost your engine warranty card, please contact your local Isuzu Dealer or Distributor with your engine serial number, model, and specification, as well as the equipment manufacturer to get your warranty term information. Where is my nearest authorized Isuzu Dealer? To find the Distributor or Dealer closest to you, go to and then select Distributor Network at the top. Then enter your zip code and select enter.
The website will then find the closest Distributor and list the dealers in their territory by city. You can also search by geographic area.
How can I become a dealer? Please go to the link on our website and provide a brief overview of your business, services offered and location. The territory Sales Representative for your geographic area will contact you to arrange a convenient time to discuss and explain product offerings, programs, etc. Where can I buy parts? Service parts can be purchased from an authorized Isuzu Dealer or Distributor. Why should I use genuine parts and filters?
Isuzu genuine parts and filters are designed specifically for your engine by the same engineers who designed your engine. All Isuzu parts and filters are tested with our engines every step of the way. Our parts and filters are not designed based on reverse engineering or “one size fits all” strategies. What numbers do I need to order parts?
To order correct engine parts, you must provide engine information in one of the following two formats: (1) engine model and serial number, or (2) engine model, engine specification, and production date. Can I use aftermarket filters? When developing its engines, Isuzu develops and tests its genuine filters to perfectly match your engine’s precision tolerances. Isuzu continues to analyze data to determine if any product improvements are needed.
Who knows your Isuzu engine better than Isuzu? If I use aftermarket filters, will my warranty be void? All warranty claims are analyzed on a case-by-case basis. Oil and fuel samples are taken and lab-tested to check for contaminants and quality. Any failures that are the result of maintenance concerns or contamination are not warrantable.
What is E-IDSS? The E-IDSS is Isuzu’s state of the art diagnostic tool that is used with all current Isuzu electronically controlled engines. It is used to update Isuzu electronic control units and assist technicians in diagnosing Isuzu engine concerns. What can I do if my engine is discontinued? Isuzu has several options for discontinued engine models. Isuzu stocks parts for engine models both current and discontinued to allow for engine rebuilding.
We also offer long blocks and complete service replacement engines. In some situations it may even be suitable to upgrade your machine to a new tier emissions compliant engine. How can I get manuals for my Isuzu engine? Isuzu has all current and most late model engine manuals available for purchase.
Contact your local Isuzu Dealer or Distributor with your engine model to inquire about purchasing manuals. Isuzu has three available manuals for most engines. The manuals are Troubleshooting, Workshop, and Owner’s Instruction.
Where do I find the emission certificate for my engine? Follow the directions on the attached link to access and print the EPA emission certificate for your engine. What spec do I have? Your engine spec (specification) can be found on the Engine Specification Label.
This silver label is affixed to the engine valve cover. If this label is missing or illegible, please contact your local Isuzu Dealer or Distributor with the engine serial number and model. Below is an example of a complete engine specification. How old is my engine (when was it manufactured)? Each Isuzu engine has a date code that can be found on the Engine Specification Label. This label is located on the engine valve cover.
The date code is in AA/BB format. If this label is missing or illegible, please contact your local Isuzu Dealer or Distributor with the engine serial number and model. Use the chart below to determine your engine build date. The C-series has a different Engine Specification Label. Where do I find a model description? A description of the Isuzu engine model designation is below.
This information is not noted in the Owner’s Instruction Manual. What should I do if I have an equipment number, but can’t find an engine number? Please provide your machine manufacturer with the machine make, model, and serial number so that the manufacturer can determine which engine model and specification was installed in the machine. My valve cover tag looks like alphabet soup, what do all the letters and numbers mean? No worries; we have it deciphered for you.
Just click on the link below. Where is the serial number on my engine?
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Use the chart below to determine the serial number location for your engine model. Engine serial numbers are also located on the EPA Emission Control Label and Injector Identification Label.
Pictured below is the engine model and engine serial number location on an L-series engine. Location will differ between engine models.
For what horsepower is my engine rated? Engine output at rated RPM is listed on the EPA Emission Control Label. If the label is missing or the engine is pre-EPA, call your local Isuzu Dealer or Distributor with your engine model and serial number. Will Isuzu engines run on biofuels? Yes, Isuzu diesel engines will run on biofuels. What percentage of biofuel can I use?
Isuzu allows a 5% bio blend per the Diesel Fuel Injection Equipment Manufacturers Common Position Statement. What is Isuzu’s position on using biodiesel? Isuzu allows a 5% biodiesel blend based on acceptance of the Fuel Injection Equipment Manufacturers. Isuzu views biodiesel the same as other fuels.
Any failures due to fuel of any type will not be covered under warranty. Should I use a fuel additive? Isuzu does not recommend the use of fuel additives. In warm or humid climates, fungus and/or bacteria may form in diesel fuel if it contains water and can cause fuel system damage by plugging the fuel lines, fuel filters, injector or pump.
Isuzu Npr 200
They can also cause fuel system corrosion. If fungus or bacteria has caused fuel system problems, you should have your authorized Dealer correct these problems. Then, use a diesel fuel biocide to sterilize the fuel system (follow the biocide manufacturer’s instructions). What oil, fuel, and coolant types are recommended or required for my engine? Refer to your Owner’s Instruction Manual for the specific oil, fuel and coolant types for your engine model. The Instruction Manual provides the API grade of oil to use and has an application chart to determine the appropriate viscosity oil to use for ambient temperature. Your engine should not need any additives if you use the recommended oil and change intervals.
Your Isuzu engine is designed to use Number 2-D diesel fuel. Number 1-D or a 1-D/2-D diesel blend is permissible for cold temperatures. Use a 50/50 ethylene glycol based Long Life Coolant/distilled water mixture.
Use a low silicate or no silicate coolant. Methyl alcohol based coolant is not recommended. What are the oil and fuel filter change intervals? Refer to your Owner’s Instruction Manual for the specific maintenance schedule for your engine model.
For most engines, there is a recommended initial oil change at 50 hours. Typically the engine oil and oil filter element are replaced every 200, 250 or 500 hours depending on the engine model and specification.
What are Tier 3, Interim Tier 4, and Tier 4? The US EPA operating in cooperation with C-ARB and EC have developed a schedule for CI engines that manages the exhaust emissions specifically targeting a wide variety of emissions, with those contributing to green house gasses and potential carcinogens being primary. This schedule, which is calculated chronologically from a selling standpoint, ranges from Pre-Tier to Tier 4. The US EPA Tier 3 (Euro Stage 2) began in 2006 for the non-road diesel engines that we are marketing today, and 2007 for the on-road diesels used in North America, Mexico excluded.
Incidentally, Canada has an organization known as CEPA that regulates emissions within Canadian boundaries and those regulations primarily mirror the US EPA. There are, however, a few differences. You can find excellent resources detailing the US EPA regulations at, and. The interim Tier 4 period (Euro Stage 3a), which is an optional stage as a precursor to Tier 4, began in 2008 for the models we are marketing. It is important that all sales efforts qualify the buyer’s demand for emission compliance. The Tier 4 (Euro Stage 3b) period will begin in 2011.
Within our product range, all engines in excess of 175HP will be required to comply with Tier 4 beyond January 1, 2011. The US EPA does however grant exemption from compliance for a wide variety of reasons and many equipment makers utilize one or more of these exemptions. To better understand the US EPA requirements, available exemptions, and their impact on your sales efforts, please consult the US EPA website, or contact a local distributor or your assigned sales manager at Isuzu Motors America LLC. In addition to the requirements of the US EPA, your sales effort should include identifying and reporting the emission requirements of markets to which finished goods may be exported. The US economy has experienced many changes. One notable change is our position to export more of our manufactured goods, and it is critical that you communicate with your customer to ensure the products you provide are compatible in their targeted market, be it domestic or for export.
The and website provide exhaust emission limits by category and by performance output versus date to implement. For example, Tier 3 for 175HP and above began January 1, 2006, and the exhaust emission limits are (6.6g/hp-hr)/3.5/0.30 (NOx/HC)/CO/PM respectively. Where can I find EPA Tier compliance charts with implementation dates? We love the website – it’s a great resource for all emissions-related questions.
We also rely heavily on the content within the site and we do publish information on our internal password-protected site. For access to this site, please contact your local Isuzu sales representative for specific details.
Can I re-power my equipment with Isuzu? Yes; within certain guidelines. We adhere to US EPA regulations as published on. The US EPA does recommend the use of a currently certified engine from the replacement engine manufacturer or the original engine manufacturer (1068.240.b). If none of these options are available, it is best to contact your local Isuzu sales representative for a best replacement option. How much fuel will my engine use? Fuel consumption given on the engine performance charts along with the fuel consumption conversion spreadsheet (Gallons/Hour) located at can be used to determine approximate fuel usage for a specific application per given load and speed.
Is a password controlled website. Please see your sales representative for details.
How do I determine my horsepower requirement? The required horsepower for a specific application can be calculated by adding all of the loads that will be acting on this engine; including and not limited to cooling fan, flywheel, gear case PTO, and front pulley. What is the timeline on future emissions standards implementation? The and websites continually update information on emissions timelines and are a great resource for any emissions-related questions. What are the marine emissions standards? You can find the marine emission standards. Isuzu is marketing propulsion engines for the commercial marine market and the current requirement is Tier 2.
We expect this requirement to advance in 2012 to Tier 3. The marine applications have a unique test mode and subsequently different criteria than either non-road or on-road.
Generally, the US EPA will accept compliant on-road or compliant non-road engines to be fitted with marine cooling systems and applied to vessels. Engines manufactured specifically for marine applications, however, are regulated to US EPA marine Tier 2.
Why is Isuzu getting out of the mining engine business? Mining engines are not regulated by the US EPA, but rather by an independent regulatory agency (MSHA). Compliance with this agency requires a significant investment in both finances and resources and the potential return on this investment is far lower than that of other, more lucrative markets. Should the regulatory conditions change with regard to MSHA applications, this decision will again be reviewed and reconsidered.
2015 Isuzu Npr 200 Service Manual Pdf
How can I obtain drawings for Isuzu engines and/or power units? Isuzu five-view drawings of the engines and power units can be found. This is a password controlled website. Please see your sales representative for details. How can I obtain tech cooling data like fan air flow and heat rejection data? Technical data can be found.
This is a password controlled website. Please see your sales representative for details. How do I obtain SAE housing / flywheel measurements?
Isuzu flywheel and housing dimensions and views can be found on the engine-specific 2D installation drawing. This is a password controlled website. Please see your sales representative for details.