There are several advantages of having a heavy duty diagnostic tool. Let’s take you step by step, type by type, and find the best heavy duty diagnostic tool for you.

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Our Top Picks:

Best Overall: Buy: Ancel Heavy Duty Diagnostic Tool READ REVIEW

Best For Light Weight: Buy: Nexas Heavy Duty Diagnostic Tool READ REVIEW

Best For Other Brands: Buy: Launch Scan Tool READ REVIEW

Best With Programming: Buy: Nexas Wonderful Tool READ REVIEW

Best For Fuel Pump: Buy: Autel Easy Data Review READ REVIEW

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

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

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

Best With Dpf Regen: Buy: Diesel Laptops Heavy Duty Diagnostic Tool READ REVIEW

Best For Commercial Vehicles: Buy: Launch Heavy Duty Diagnostic Tool READ REVIEW

Best For Car Diagnostic: Buy: Autel Heavy Duty Diagnostic Tool READ REVIEW

Best Overall: Ancel Heavy Duty Diagnostic Tool

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The best part: a heavy duty diagnostic tool costs reasonable and it is available to ship in 24 hours. The Ancel Heavy Duty Diagnostic Tool has powerful functions, is convenient, it is good for fast delivery and has the latest design. Make sure this fits by entering your model number. The company constantly strives for product quality, technology, design and sustainability and adheres to the spirit of people - oriented and innovative efforts to make great contributions in the field of automotive technology.

The tool is perfect for surprise gift, it allows for live data recording and has a convenient design. Moreover, it is highly recommended and has advanced design. Finally, the ancel heavy duty diagnostic tool is a professional manufacturer of automotive products, focusing on affordable prices, top quality.

Almost all buyers found that the tool is great for BMW and mini cooper, but that's it. And, they say that the tool is much quicker for finding initial diagnostics. Further, they say that this ancel bm500 bmw code reader cann't register different types of batteries.

• Let you buy with confidence and use with comfort.
• With a strong compatibility, saves you time, money and more.
• This comes with a large 5 inches LCD screen and the most widely spoken languages.
• This engine, makes for a great buy and has a comfortable design.

Best For Light Weight: Nexas Heavy Duty Diagnostic Tool

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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 tool. The Nexas Heavy Duty Diagnostic Tool is exactly that - it's a simple tool that hits all the right notes. The nexas heavy duty diagnostic tool can be used directly out of the box. Make sure this fits by entering your model number. Further, this allows for easy installation and it is multifunctional.

The tool is able to read, clear the code and it is good for generic codes. Further, it can read /clear codes, view live data in a text or graphic format for trucks. Lastly, the nexas heavy duty diagnostic tool has read engine live data and it has support multiple systems.

Almost all buyers opine that the tool is compatible with 2019 dodge ram 5500. And, a few say that the tool can work on a 1999 freightliner with a 12.7 detroit diesel. And, a few also found that the tool could be used on Nissan Exalta after 2006. In conclusion, at the price, they believe that they got a steal of a deal with it.

• This is separate and it saves you money.
• This can read codes, erase codes, i/m readness, live data, evap test, o2 sensor test.
• This will work great on class 8 trucks.
• This is a great scanner for heavy trucks.

Best For Other Brands: Launch Scan Tool

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The Launch Scan Tool's material feels more premium than its price would suggest. The launch scan tool is expensive, works fine, it is current and has unparalleled design. Applied 2.8" color lcd with a beautiful interface, helps you more intuitive and better diagnosis. Further, the tool can work on obd ii protocol vehicles as well as heavy duty truck.

The tool works for clearing codes, is used for fuel system,sssss It is convenient and has a nice design. In addition, the tool is very good, it is much better and has a professional design. Lastly, the launch scan tool is perfect for family members, is great with clear codes, it is great for ab codes and has advanced design.

Most buyers quickly discovered that the tool can work on 3/4 ton diesel chevy and gmc trucks 2007 and newer. Further, they also found that the tool does give info on allisson transmissions. Also, they say that the tool does a fine job of those things.

• It has nine pins with it, so it should work.
• This is made for large tractor trailer vehicles.
• This has some issues or the sensors need to be replaced.
• This is a nice little unit to have available.

Best With Programming: Nexas Wonderful Tool

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The next wonderful tool's material feels more premium than its price would suggest. The wonderful tool includes everything for the braking system and it works perfectly. The Manufacturer says: Our passion and enthusiasm for what we do enable us to achieve the highest performance and innovation we have set for ourselves. In addition, this is used for engine check, is very useful and it is good for nice display.

The tool has look up codes and it can be used for a second time. Further, this is good for the price and it is current. Most importantly, the Nexas Wonderful Tool is very light and it has support multiple systems.

Most customers quickly discovered that the tool had read everything without a problem. In addition, a few strongly agree that the tool can be used on Peterbilt 379 378. Overall, many buyers have used the wonderful tool for more than a few months without any issues, and it shows no sign of giving up.

• This works for a 2015 vnl 670 volvo.. clear codes fine.
• This can be used directly out of the box.
• Show on the screen, you will get the explanation.
• This has the 6 9 and obd 16pin adapters.

Best For Fuel Pump: Autel Easy Data Review

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We would, of course, be remiss if we didn't mention Autel Easy Data Review for daily purpose. The autel easy data review has changed tire size, has extensive vehicle coverage and it is great for high quality. Autel bi-directional heavy-duty scan tool ms908cv can access to vehicle-specific subsystems and conduct component tests after repairing or replacement, You can quickly identify whether the repair job works or not. Moreover, the tool is compatible with autel oscilloscope mp408 for checking a vehicle’s electronic circuits.

The tool is excellent and it is very accurate. Above all, the autel easy data review is used for programming functions and it is great for operating system.s.

Most customers found that the tool worked flawlessly on cars.

• This is good for fuel pressure and it allows for battery registration.
• This features the latest vin additionally allows technicians to perform electric coding on different vehicles.
• This is guaranteed with a 1-year warranty and 1-year free software updates.
• This comes with cruise control, has boost calibration and it is great for relative compression.

Best For Allowing Diagnostic Tests: Icarsoft Heavy Duty Diagnostic Tool

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The Icarsoft Heavy Duty Diagnostic Tool is capable of outshining several other tools featured in this list in overall features for the price point. The icarsoft heavy duty diagnostic tool is very good and it is great for the price. The Manufacturer says: Whether you’re your own personal auto mechanic or you’re a business owner, you’ll fall in love with our compact design of this diagnostic scanner. In addition, the tool can scan for check engine, is great for abs codes, It is French and has a good design.

The tool is such an engine, it is easy to read and has a perfect design. Most importantly, the icarsoft heavy dutydiagnostic tool is great for data display and it has support all obdii protocols.

Most customers quickly discovered that the tool is great for dump truck problems. Also, they strongly agree that the tool is easy to use, plugs right in and evaluates the problem quickly.

• This is Asian, very easy and it is mobile.
• It automatically detects your car model and scans all modules for error codes.
• Providing you with accurate data results for all your error codes.
• This is made with fast shipping, it makes for a great company and has professional design.

Best For Top Notch: Fcar Heavy Duty Diagnostic Tool

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The Fcar Heavy Duty Diagnostic Tool's material feels more premium than its price would suggest. The fcar heavy duty diagnostic tool is great for basic functions and it is perfect for air conditioner.s. The Manufacturer says: If you do not have the knowledge of heavyduty truck, we do not suggest you try this. This heavy duty scan tool will work on j1939 j1708 j1587 protocol 24v American heavy duty trucks and for 1998.

Finally, the fcar heavy duty diagnostictool is great for high quality materials, works as advertised and it covers more.

Most buyers found that the tool 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. Moreover, a few also found that the tool is a powerful and useful valve.

• This is great for high quality, is small and it is easy to read.
• This is worth owning and it comes with test results.
• This is green and it shows frozen frame data.
• If you can not confirm, please let us know the engine type for confirmation.

Best For Tech Support: Fcar Truck Scanner Diagnostic Tool

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Next on the list, we've got yet another tool 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 tools you can buy. The first truck scanner diagnostic tool is very easy, includes everything for the braking system and it is big. 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 tool can also work on 12v cars with obdii protocols. Moreover, they say that the tool is a great scanner for both heavyduty 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 tool suits the purpose.

• Manufacturer says: we take full ownership and responsibility for the quality of our products.
• 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.
• This comes with a high-quality case with a rugged and handy design.

Best With Dpf Regen: Diesel Laptops Heavy Duty Diagnostic Tool

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If you want nothing but the most convenient tool, then the diesel laptop heavy duty diagnostictool is the one you should definitely consider. The Diesel Laptops Heavy Duty Diagnostic Tool is very simple and it provides technical support. Diesel particulate filter (dpf) regens are simple and are accessed from the main menu by choosing “dpf regen” and choosing your manufacturer from the list. This tool supports DPF regens and is compatible with Cummins, Detroit, Isuzu, Mack, international maxxforce, Volvo, caterpillar, Hino, and paccar engines.

The tool is intended for commercial truck engines, not for ford, chevrolet, or dodge diesel engines. Lastly, the diesel laptops heavy dutydiagnostic tool is excellent and it includes hardware.

"Excellent little computer to get you out of trouble on the road. " - says, one customer. In conclusion, buyers found this to be one of the best tools for daily purposes.

• Diesel laptops compatible for volvo commercial trucks & engines.
• This is small and it is highly recommended.
• This is expensive and it has a carry case.
• Lifetime updates & 1 year of warranty.

Best For Commercial Vehicles: Launch Heavy Duty Diagnostic Tool

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We would, of course, be remiss if we didn't mention launching a heavy - duty diagnostic tool for daily use. Equipped with comprehensive diagnostic functions and across classes 3 to 8 commercial vehicles, you can easily perform scans on engines, abs and transmissions. Moreover, the tool comes with adapter kits for various truck makes, such as 6-pin obd, 9-pin obd. When it comes to finding a reliable tool, the Launch Heavy Duty Diagnostic Tool is definitely your first choice.

In short, most buyers agree that the tool suits them best, and no one questions it.

• Good investment for the long term.
• New and hot releases.

Best For Car Diagnostic: Autel Heavy Duty Diagnostic Tool

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The Autel Heavy Duty Diagnostic Tool is the most suitable tool on the market today. The autel heavy duty diagnostic tool has the best price and it features oil reset. Autel heavy car diagnostic scanner ms908cv enjoys 25 special and 23 adaption functions to meet all your needs for various services and maintenance. In addition, it can easily change the configuration of heavy/ light trucks/natural gas/ engineering/ buses etc to refresh hidden functions, such as seat belt reminder light.

Above all, the autel heavy duty diagnostic tool comes with advanced hardware such as the powerful cortex-a9 quad-core processor, 97 1024x768 led.

To sum up, the tone of buyers is very positive and we believe that the tool suits the purpose.

• The Autel ms908cv wireless scanner is different from traditional scanners, which are usually read-only devices.
• This comes with 12 months of free online software updates and a one-year warranty.
• This comes with a 17 digits vin number to check compatibility.