diff --git a/McZapkie/MOVER.h b/McZapkie/MOVER.h
index 24d37daa..ec0f09ed 100644
--- a/McZapkie/MOVER.h
+++ b/McZapkie/MOVER.h
@@ -1121,6 +1121,11 @@ public:
 	double Spg = 0.0;
 	double MinCompressor = 0.0;
     double MaxCompressor = 0.0;
+	double MinCompressor_cabA = 0.0;
+	double MaxCompressor_cabA = 0.0;
+	double MinCompressor_cabB = 0.0;
+	double MaxCompressor_cabB = 0.0;
+	bool CabDependentCompressor = false;
     double CompressorSpeed = 0.0;
 	int CompressorList[4][9]; // pozycje świateł, przód - tył, 1 .. 16
 	double EmergencyValveOn = 0.0;
diff --git a/McZapkie/Mover.cpp b/McZapkie/Mover.cpp
index 6a39bad4..89ff27f4 100644
--- a/McZapkie/Mover.cpp
+++ b/McZapkie/Mover.cpp
@@ -4046,6 +4046,20 @@ void TMoverParameters::CompressorCheck(double dt) {
         return;
     }
 
+	if (CabDependentCompressor)
+	{
+		if (CabActive > 0)
+		{
+			MinCompressor = MinCompressor_cabA;
+			MaxCompressor = MaxCompressor_cabA;
+		}
+		if (CabActive < 0)
+		{
+			MinCompressor = MinCompressor_cabB;
+			MaxCompressor = MaxCompressor_cabB;
+		}
+	}
+
 	//EmergencyValve
 	EmergencyValveOpen = (Compressor > (EmergencyValveOpen ? EmergencyValveOff : EmergencyValveOn));
 	if (EmergencyValveOpen) {
@@ -9775,6 +9789,8 @@ void TMoverParameters::LoadFIZ_Brake( std::string const &line ) {
 */
     extract_value( MinCompressor, "MinCP", line, "" );
     extract_value( MaxCompressor, "MaxCP", line, "" );
+	extract_value( MinCompressor, "MinCP_B", line, "" );
+	extract_value( MaxCompressor, "MaxCP_B", line, "" );
     extract_value( CompressorTankValve, "CompressorTankValve", line, "" );
     extract_value( CompressorSpeed, "CompressorSpeed", line, "" );
 	extract_value( EmergencyValveOff, "MinEVP", line, "" );
@@ -9811,6 +9827,22 @@ void TMoverParameters::LoadFIZ_Brake( std::string const &line ) {
     extract_value(
         ReleaserEnabledOnlyAtNoPowerPos, "ReleaserPowerPosLock", line,
         ( ( EngineType == TEngineType::DieselEngine ) || ( EngineType == TEngineType::DieselElectric ) ) ? "yes" : "no" );
+
+	if (MinCompressor_cabB > 0.0) {
+		MinCompressor_cabA = MinCompressor;
+		CabDependentCompressor = true;
+	}
+	else {
+		MinCompressor_cabB = MinCompressor;
+	}
+	if (MaxCompressor_cabB > 0.0)
+	{
+		MaxCompressor_cabA = MaxCompressor;
+		CabDependentCompressor = true;
+	}
+	else {
+		MaxCompressor_cabB = MaxCompressor;
+	}
 }
 
 void TMoverParameters::LoadFIZ_Doors( std::string const &line ) {