Description HQ Norgren Series 5040″ is the Lift Axle Control Module HQ is introducing Norgren’s 5040 Lift Axle Control Module. The 5040 series directly benefits the heavy-duty truck and trailer industry. The Norgren engineered unit is built with a cast aluminum body for durability. Plus, it includes thermoplastic pistons and low-temperature nitrile seals. This combination does resist contamination and temperature extremes, unlike many commonly used spool valves. You can count on this innovative, chassis-mounted module that integrates two industry-proven, brake-style relay valves into a single compact unit. It delivers excellent flow capability for rapid axle actuation. For versatility, the HQ Norgren 5040 series comes in three variations; electrical or air-pilot-operated versions, You can mount the 5040 directly on the transmission for ease of installation. Instruction PDF is linked below. The 5040 Lift Axle Electric Control Module has these characteristics: Chassis mounted lift axle control module. Electrical connection: Metri-pack 150 Series ISO sealed female connector (P/N 12052644) Gage Port: A Side Function:  Normally Open (N/O) or Normally Closed (N/C) Actuation:  Solenoid Voltage:  12 Volt DC Operating Pressure: -30/120 degrees Fahrenheit Includes: electrically controlled solenoid Ports: System supply 1/2-14 NPTF Two delivery to load bag 1/2-14 NPTF Two delivery to lift bag 3/8-27 NPTF Regulated supply 1/8-27 NPTF 5.Gage port (optional) 1/8-27 NPTF Three Different Axle Control Valve Options: 5040-111-01 is Air-pilot operated and normally open only 5040-211-01 is Electric operated and normally closed 5040-311-01 is Electric operated and normally open Norgren Brochure Norgren Installation Guide