The SIMJ1939-002, Au SAE J1939 Simulator 1.00A Engine Premium Edition (Li), can generate SAE J1939 signal for Diesel Engines.

Supported J1939 parameters and features
Engine Speed (RPM)
Wheel Based Vehicle Speed (MPH)
Engine Total Hours of Operation
Response Request for Engine Total Hours of Operation
Engine Clock
Response for Engine Clock Request
Engine Clock setup
Engine Oil Pressure
Engine Coolant Temperature
Battery Potential (Voltage) Switched
SAE J1939 Fuel Level
Engine Turbocharger Boost Pressure
Engine Instant Fuel Economy
Engine Fuel Rate
Accelerator Pedal Position
Engine Intake Manifold 1 Temperature
Engine Load % at Current Speed
Engine Trip Distance
Total Vehicle Distance
Cruise light
Engine Address Claim
Engine Address CANNOT Claim
Engine Response Request for Address Claim
Engine Address Conflict Response with Contention
SAE-J1939 Acknowledge protocol
Engine DM1
Water in fuel Indicator
SAE-J1939 Transport Protocol: TP.CM.BAM, TP.DT
SAE-J1939 Transport Protocol: TP.CM.RTS, TP.CM.CTS, TP.DT, TP.CM.EndOfMsgACK, TP.Conn.Abort
Engine DM1 Warning On/Off control
Engine DM2 On/Reset control
Engine Red Stop Lamp On/Off
Engine Amber Lamp On/Off
Water in fuel Indicator On/Off
Engine DM1 Single-Packet warning (e.g. Low Battery Voltage, etc.)
Engine DM1 Multi-packet warnings
Engine DM2 Single-Packet warning
Engine DM2 Multi-Packet warnings
Response for DM2 global request
Response for DM2 specific request
Engine DM3