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For safe contactless data reading from CAN j1939/21 data buses.
Supply voltage range: 10 – 50V
Cable length: 0.7m

Usual global delivery time: 1 to 4 weeks

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CANCrocodile is connected to CAN High and CAN Low wires of CAN j1939/21 bus without damaging wire insulation. CANCrocodile reads data from CAN bus without electrical contact with the wires. On the output CANCrocodile reproduces the same signal as it was read in CAN bus, e.g. no processing or alteration occurs.

CANCrocodile is designed for safe data reading from vehicle CAN bus. Contactless reader is used within vehicle telematics and GPS tracking systems for receiving various parameters of vehicle operation from CANbus: speed, RPM, oil pressure & temperature, fuel volume & consumption, etc.

Data reading occurs without electrical connection and without damaging CAN wires. CANCrocodile works in “listen” mode only, i.e. it does not change original J1939 messages and does not send any signals to CANbus.


  • Output signal: CAN J1939/21
  • Power supply voltage: 10-40V
  • Cable length: 0.7m
  • Connector: Molex 6-pin (can be removed)

Options on request:

  • Nominal supply voltage: 5V
  • Cable length: up to 6m
  • Connector:  no (bare wires) or pinout or custom connector
  • Current consumption: low-energy CANCrocodile A++ (deactivated LED)
Weight0.5 kg
Dimensions11 × 17 cm
Product Type

Contactless CAN reader


CANbus data collection, j1939 data collection

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