SMOKE ALL-300 Heavy Duty is designed for quick detecting the leakage of pipe systems on commercial heavy duty vehicles, including intake, engine, exhaust etc., with universal quick bladder to fit every intake/exhaust of heavy duty vehicles.

  • Powerful and fast
  • Work with external shop air to provide 0~29psi adjustable test pressure and up to 30L/Min flow rate
  • DC 12/24V vehicle bettery driven
  • Support UV detection method for tiny leaks
  • Quick heavy duty bladder to fit every intake/exhaust
  • Instant smoke generation
  • Smart 10 minutes working cycle controller with single control button

8 Reasons for a Diagnostic Leak Detector

  1. Your scan tools ONLY can do half of the work
  2. Your scan tools help you acquire the knowledge about which sensor had got the sampled data out of range. But your scan tools won’t tell you the cause/reason of the fault, and where to find it. A Diagnostic Leak Detector will tell you WHERE the problem is, which caused the sensors to get wrong data.

  3. Over 60% of the DTCs are pressure related
  4. Sensors sample voltage, temperature and pressure, of all the DTCs that possibility generated, over 60% are pressure related, regardless it’s an air pressure DTC, or an oil pressure DTC. With a Diagnostic Leak Detector, these DTCs are much easier to erase.

  5. Increase income per service
  6. By finding more hidden problems in a vehicle and proving it to the vehicle owner necessity of extra service, a Diagnostic Leak Detector will help increase your income per service.

  7. Helps reduce labor cost
  8. A Diagnostic Leak Detector helps technicians to locate problems currently in short time, avoid possibility of wrong diagnosis of the vehicle.

  9. Enhance capability of more service calls
  10. By reducing your service time cost, a Diagnostic Leak Detector makes your workshop capable of more service calls.

  11. Ease the pain of finding leaks
  12. The vehicle driven in the workshop with engine running hot, which put technicians in a bad working condition, with a Diagnostic Leak Detector, technician don’t have to touch the hot surface, reduce possibility of getting hurt in work.

  13. More professional in facing customers
  14. Customers may feel sorry for you if you jump onto and off the car to find problems. A Diagnostic Leak Detector will make technician’s work more professional with convincing result.

  15. Small investment, big turnout
  16. A Diagnostic Leak Detector is affordable for all level of workshops, and the equipment will pay for itself back by a few jobs.


  • Pressure: 0~29 Psi
  • Smoke Flow:  30L/Min
  •  Power Supply:  DC 12/24V Vehicle Battery
  •  Air Source:  Shop Air
  • Chemical Refill:  15ml
  • Std. Pack:  Main Unit, Intake Bladder, Plastic Carry Box
  • Unit Dim.:  L21cmx W22cmx H24cm(handle height 5cm not inclusive)
  • Delivery Dim.:  L45cmx 30cmx H38cm

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Smoke ALL-300 Heavy Duty Diagnostic Leak Detector for Commercial Vehicle

  • Brand: J&L Techno
  • Product Code: ALL-300 HD for Commercial Vehicle
  • Availability: In Stock
  • $849.90
  • $749.90

Tags: heavy duty, truck, tractor, leak detector, leak detection, leak finder, engine, central cooling, turbo, dtc, smoke