CAT-501+ is professional in cleaning the auto transmission with the detergent added and exchanging the auto transmission fluid simultaneously with the engine on when there is pressure difference inside the auto transmission and the pump. It also has the function of auto transmission fluid flow automatic recognition, frequently-used vehicle adding and searching list, fluid exchanging result customized printing, fluid filter replacement warning. Moreover, with bigger 5 inch display and optional VGA function, the presentation and operation will be more easy and vivid.


  • Cycle cleaning with detergent
  • Equivalent exchange with high accuracy
  • 5 inch display
  • Fluid exchanging result customized printing
  • Free full set of vehicle connectors upgrading globally
  • Fluid flow automatic recognition
  • Fluid level adjustment
  • Filter replacement warning
  • Optional VGA function
  • Frequently-used vehicle adding and searching list


Working temperature: 0°Fto120 ° F/-18 ℃to50 ℃
Humidity: <90%
Working noise: <70dB
Working pressure: 86-106kpa
Water-proof grade: IP42
Filter accuracy:5μm
Flow speed:≥2.2L/1min
Fluid tank capacity: 20L×2
Equivalent exchange accuracy:±100ml