The LOFA™ MC704 is a micro, analog engine control panel that monitors and protects mechanically governed diesel engines. Six LED lights pinpoint failures through First Fault Diagnostics. The panel includes an IP64-rated key switch with mechanical lock-out to prevent restart attempts when the engine is running.

  • First Fault Diagnostics
  • LED indicator lights
  • Rugged aluminum housing
  • IP64-rated key switch
  • Two-year limited warranty

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Rugged, heavy-duty powder-coated Aluflex aluminum enclosure with integrated isolation mounting


Thru-panel or threaded inserts mounting

First Fault Diagnostics

Monitors battery charge, low oil pressure, high temperature, and up to two additional contact closure inputs

Automatic Shutdown

Automatic shutdown override simplifies engine starting by eliminating the need to push a button

High-Power Semiconductors

Microprocessor–based control designed with high-power semiconductors

Hour Meter

Hour meter in six minute increments

Polarity Protection

Reverse polarity protection


12” connection pigtail terminating at a Delphi GT connector

IP64 Key Switch

Heavy-duty, IP64 water-resistant key switch with a mechanical start-locking device to prevent unwanted engagement of the starter motor after the engine is running

Mechanical Lock-Out

Key switch features mechanical lock-out to prevent re-start attempts when engine is running


Two-year limited warranty

ISO Certification

Manufactured in an ISO 9001:2015 certified operation

Plug-and-Play Harness

Available plug-and-play extension harness

Output Control

Alarm or preheat control output (active high)

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