Maretron J2K100-01 J1939 to NMEA 2000 Gateway Converter

The Maretron J2K100 gateway seamlessly bridges your engine's J1939 network and your boat's NMEA 2000 system, displaying critical engine, transmission, and genset information throughout your vessel. This intelligent gateway attaches directly to J1939 networks of compatible engines and converts data to NMEA 2000 format for distribution over a single cable to any compatible display.

Key Features:

• Translates J1939 engine and transmission messages to equivalent NMEA 2000 messages
• Opto-isolated J1939 interface eliminates ground loops and prevents network interference
• Sealed waterproof IP67-rated enclosure with waterproof connectors
• Powers from NMEA 2000 port—no power drawn from J1939 interface
• Passes J1939 diagnostic messages and AC generator parameters
• Interfaces Dometic MarineAir Elite, CruiseAir Q-Logic air conditioners, and Eskimo icemakers to NMEA 2000
• Temperature rated to 55°C (130°F)
• Flexible mounting options—horizontal, vertical, or inverted installation

Monitored Parameters:

• Engine: Tachometer, hours, oil pressure/temperature, coolant pressure/temperature, boost pressure, load percentage, torque percentage
• Fuel: Fuel rate monitoring for gallons per hour and miles per gallon calculations when paired with GPS200 and compatible display
• Transmission: Gear position, oil pressure, oil temperature
• Generator: AC voltage, current, frequency
• Electrical: Charging voltage
• Diagnostics: VIN, software ID, diagnostic trouble codes

Compatible Manufacturers:

Works with any J1939-equipped engine, transmission, or genset including Caterpillar, Cummins, Detroit Diesel, John Deere, Kohler, Northern Lights, Onan, Perkins, Steyr, Volvo Penta, and Yanmar. The MCF-2M-D12CAT adapter cable enables parallel connection with Caterpillar MPD displays.

What's Included:

• J2K100 Gateway unit
• Female Micro field-attachable connector for J1939 interface
• 4 Mounting screws
• User's manual
• Warranty registration card