There are several advantages of having a heavy duty diagnostic scanner. We are here to help you choose the right one for your purposes from all the best available products in market today.

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Our Top Picks:

Best Overall: Buy: Nexas Heavy Duty Diagnostic Scanner READ REVIEW

Best For Other Brands: Buy: Launch Heavy Duty Diagnostic Scanner READ REVIEW

Best With Programming: Buy: Nexas Wonderful Tool READ REVIEW

Best For Light Weight: Buy: Kzyee Heavy Duty Diagnostic Scanner READ REVIEW

Best For Allowing Diagnostic Tests: Buy: Icarsoft Heavy Duty Diagnostic Scanner READ REVIEW

Best For Top Notch: Buy: Fcar Heavy Duty Diagnostic Scanner READ REVIEW

Best For Time: Buy: Ancel Heavy Duty Diagnostic Scanner READ REVIEW

Best For Tech Support: Buy: Fcar Truck Scanner Diagnostic Tool READ REVIEW

Best For Wide Coverage: Buy: Launch Professional Diagnostic Tool READ REVIEW

Best For Commercial Vehicles: Buy: Autel Heavy Duty Diagnostic Scanner READ REVIEW

Best Overall: Nexas Heavy Duty Diagnostic Scanner

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We know from years of feedback from readers, amazon sellers, and family and friends what most people want in a scanner. The Nexas Heavy Duty Diagnostic Scanner is exactly that - it's a simple scanner that hits all the right notes. The nexas heavy duty diagnostic scanner can be used directly out of the box. Show on the screen, you will get the explanation. Further, the scanner has saved your money and it is ready to go.

The scanner is used for engine check, comes with a nice case and it comes with battery voltage. In addition, there is a 2 in - 1 truck & car diagnositc tools，which support all heavy duty trucks(j1587, j1939 and j1708) and all obd2 standard protocols. Finally, the nexas heavy duty diagnostic scanner can read codes, erase codes, i/m readness, live data, evap test, o2 sensor test.

Almost all buyers opine that the scanner works for diesel 2017 chevy silverado, duramax. And, they strongly agree that the scanner is good for all 3 hd truck computer protocols. Moreover, a few strongly agree that the truck diagnostic tool could support international from 2002, so it probably would not have worked in 1998. To sum up, the tone of buyers is very positive and we believe that the scanner suits the purpose.

• This is great for fuel system, is very good and it is very happy.
• This is compatible with John Deere after 2006.
• This has support multiple systems and it is great for simple instructions.
• This has already earned its worth.

Best For Other Brands: Launch Heavy Duty Diagnostic Scanner

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We know from years of feedback from readers, amazon sellers, and family and friends what most people want in a convenient and appropriate scanner. The launch heavy - duty diagnostic scanner is exactly that - it's a simple scanner that hits all the right notes. The Launch Heavy Duty Diagnostic Scanner can work on obd ii protocol vehicles as well as heavy duty truck. Manufacturer says: Founded in 2003, Launch Tech USA always put our customers first, better service to local customers. Further, it can work for transmission system,ss is great with clear codes, It offers for other brands and has a great design.

Finally, the launch heavy duty diagnostic scanner is used for the main function, It is very good and has an excellent design.

Almost all buyers opine that the scanner will show fault codes by following directions. Also, they strongly agree that the scanner has nine pins, so it should work. And, a few say that the scanner will work on the 2013 f series diesel.

• This is a great way to keep everything organized.
• This scanner automatically scans all aystems and makes it a lot easier.
• This is too cimplicated of a system unless you are a professional.
• This is good for reading readiness monitors on ob2 vehicles 1996 and newer.

Best With Programming: Nexas Wonderful Tool

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If you often find yourself confused about convenient and suitable scanner, this wonderful tool is your end point. The Nexas wonderful tool is great for western stars and it is good for the price. The Manufacturer says: We provide two years, so there is no risk to purchasing it. In addition, it is ruggedly built, perfect for both shop and road tests.

Above all, the wonderful tool is used for engine checking and it is durable.

Almost all customers agree that the scanner is not reading correctly on the second vehicle. In addition, a few also found that the scanner has 6 9 and obd 16pin adapters. Moreover, they strongly agree that the scanner has read everything without a problem. With no doubts, this scanner passed the test and had very satisfied buyers eager to share their experience.

• This can be used on Peterbilt 379 378.
• This can not support its abs/ traction system, thanks.
• This is super duty, thanks and has a long interface cord.
• This is designed for pickup truck, has get codes and it is very intuitive.

Best For Light Weight: Kzyee Heavy Duty Diagnostic Scanner

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If you often find yourself scrambling for an appropriate and satisfactory scanner, a heavy - duty diagnostic scanner is your endpoint. The Kzyee Heavy Duty Diagnostic Scanner has support transmission, it comes with lifetime tech support and has great design. You can use it to quickly and efficiently read DTCS in the vehicle's electrical control system, diagnose the fault location and find out the cause of the fault. Also, it comes with multi-language and has a new design.

The scanner is cheap, it is expensive and has a good design. Finally, the kzyee heavy dutydiagnostic scanner is the latest portable vehicle heavy duty code reader.

Most buyers quickly discovered that the scanner comes with a carrying pouch, plus it is easy to read on the screen. In addition, they also found that the scanner is compatible with the daf xf106 trucks. Also, a few say that this scanner could work for 2020 volvo vnl 860 d13. In short, buyers found this to be one of the best scanners for daily purposes.

• Get your car running like new again.
• This is for check engine, it reads all the codes and has advanced design.
• This is perfect for light weight, is internal, it worked perfectly and has a classic design.
• This will work on your cummins 6cta marine engine.

Best For Allowing Diagnostic Tests: Icarsoft Heavy Duty Diagnostic Scanner

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For a low asking price, Icarsoft Heavy Duty Diagnostic Scanner has managed to overwhelm their customers by packing as many features as they could. The icarsoft heavy duty diagnostic scanner works as advertised and it is French. Make sure this fits by entering your model number. In addition, it works great and it makes for a great company.

The scanner is super great, is great for the price, it is positive and has a special design. Also, the scanner j1850 pwm, j1850 vpw, iso9141 and kwp2000 uniquely feature a battery power monitor function. Lastly, the icarsoft heavy duty diagnosticscanner allows for specific diagnostic functions and testing.

Almost all customers found that the scanner is great for dump truck issues. Moreover, a few say that the scanner works with a cummings motor which has the obd protocolls as listed. To sum up, buyers found this to be one of the best scanners for daily purposes.

• Providing you with accurate data results for all your error codes.
• This is easy to use, plugs right in and evaluates the problem quickly.
• This is perfect for allowing diagnostic tests inside or outside of the car.
• It automatically detects your car model and scans all modules for error codes.

Best For Top Notch: Fcar Heavy Duty Diagnostic Scanner

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The Fcar Heavy Duty Diagnostic Scanner is the most convenient scanner on the market today. The fcar heavy duty diagnostic scanner is great for high quality and it is great for water temperature. Please do not worry, the mutual interference of signals caused this problem. This heavyduty scan tool will work on j1939 j1708 j1587 protocol 24v American heavy duty trucks and for 1998.

The scanner is no spark plug in a diesel engine, it’s a compression ignition engine which is unable to fully use the fuel. Also, it shows frozen frame data and it has an LCD screen. Lastly, the fcar heavy dutydiagnostic scanner is designed for Hino, isuzu, fuso, ud(oil light function not support for ud), which will save hundreds to thousands of dollars on maintenance costs in repair shop.

Almost all customers opine that the scanner includes graphical live data stream, read freeze frame, on-board monitor test(mode 6), evap test (mode 8), o2 sensor test, i/m readiness, vehicle information, DTC lookup, read, clear and reset functions. And, they strongly agree that the scanner is a powerful and useful valve. To sum up, many buyers have used the scanner for more than a few months without any complaints, and it shows no sign of giving up.

• If you do not operate as the guide, this process may not finish normally.
• This is worth owning and it is small.
• This is such an engine and it works as advertised.
• For 12v cars, this heavy duty truck scanner only supports full obd2 functions.

Best For Time: Ancel Heavy Duty Diagnostic Scanner

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Compared with other scanners in this category, the Ancel Heavy Duty Diagnostic Scanner has a convenient design. The ancel heavy duty diagnostic scanner is good for wide coverage, check the engine and it is great for operating system. As long as the diesel scanner is valid, you will get lifetime free internet updates, latest bug fixes and newly supported vehicles added to the list. And, the scanner is an ideal truck scanner for cummins, caterpillar, Detroit, Paccar, Perkins, Volvo, maxxforce engines, bendix, wabash, Wabaco, Haldex abs/ebs and Allison, Eaton transmissions.

The scanner is compatible with a wide range of engines, it also comes with 6-pin, 9-pin and 16. Also, it is committed to solving automotive aftermarket problems cost-effectively, efficiently and conveniently. Lastly, the ancel heavyduty diagnosticscanner is stable, is printable and it is highly recommend.

One customer says - "Make sure your truck is close to the house to use the wifi updates. ". A few also found that this tool is more powerful than the average user.

• If you want to view real-time diagnostic results, please enter the non-simulation mode menu.
• These do more and it allows for more functions.
• This comes with lifetime customer support and it is very easy.
• It can definitely save you money and time on repairs.

Best For Tech Support: Fcar Truck Scanner Diagnostic Tool

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Next on the list, we've got yet another scanner that manages to win our hearts. It's the Fcar Truck Scanner Diagnostic Tool and it's widely considered as one of the most convenient scanners you can buy. The fcar truck scanner diagnostic tool is domestic and it is made for a great Christmas gift idea. The fcar heavy duty truck scanner 's packing list includes. This fcar f506 truck scanner diagnostic tool is well - structured with a solid and sturdy body, which prevents it from being broken even if it drops off by mistake.

Most importantly, the fcar truck scanner diagnostic tool comes with existing software and also protects the safety of the power battery.

Almost all customers agree that the scanner can also work on 12v cars with obdii protocols. Moreover, they say that the scanner is a great scanner for both heavy duty trucks and obdii car.ss. In addition, they also found that this fcar f506 truck scanner can be used out of the box. Overall, the tone of buyers is very positive and we believe that the scanner suits the purpose.

• Manufacturer says: we take full ownership and responsibility for the quality of our products.
• This is a great price and value for the money.
• Then you don't need to buy a seperate obdii scanner for your car.
• This is easy to operate and navigate, which can be used out of the box.

Best For Wide Coverage: Launch Professional Diagnostic Tool

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If you want nothing but the most convenient scanner, then a professional diagnostic tool is the one you should definitely consider. The Launch Professional Diagnostic Tool can connect with wireless bluetooth diagnosis, is great with online support, It worked flawlessly and has perfect design. You can get the ability to see different data in wave like form displayed on the screen at the same time because of the equipped 10.1-in touch screen. Also, the scanner is great for high speed, is great for operating system, It is French and has an industrial shockproof design.

The scanner is not only a professional diagnostic tool, but also a service reset tool, How many special functions it supports, depends on the specific vehicle model. Lastly, the launch professional diagnostic tool is great for wide coverage, It comes with diagnostic software and has professional design.

Almost all buyers opine that the scanner is designed for diesel engines, heavy-duty trucks, commercial vehicles and machinery. As a result, buyers were eager to recommend it to friends and families.

• It brings you a more convenient and comfortable experience to a large extent.
• This is perfect for the working environment in repair shops.
• This is used for diagnosing heavy duty trucks and performing some special functions.

Best For Commercial Vehicles: Autel Heavy Duty Diagnostic Scanner

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The Autel Heavy Duty Diagnostic Scanner should be able to handle its purpose and duties with ease. The autel heavy duty diagnostic scanner has been deeply involved in the automotive intelligent diagnostic and testing field, including automotive diagnostic products, TPMS series and adas series. Make sure this fits by entering your model number. And, this comes with 12 months of free online software updates and a one-year warranty.

Most importantly, the autel heavy duty diagnostic scanner has the same ecu coding function as ms909cv/ ms908/ ms906 pro/ elite 2 including ecu coding, online coding, and module replacement.

Overall, many buyers have used the scanner for more than a few months without any problems, and it shows no sign of giving up.

• This comes with advanced hardware such as the powerful cortex-a9 quad-core processor, 97 1024x768 led.
• The Autel ms908cv wireless scanner is different from traditional scanners, which are usually read-only devices.
• This comes with a 17 digits vin number to check compatibility.
• This has the best price and it features oil reset.