diff --git a/McZapkie/MOVER.h b/McZapkie/MOVER.h
index f3c9057d..79b6c569 100644
--- a/McZapkie/MOVER.h
+++ b/McZapkie/MOVER.h
@@ -1484,9 +1484,10 @@ public:
 
 	bool AddPulseForce(int Multipler);/*dla drezyny*/
 
-	bool SandboxManual( bool const State, range_t const Notify = range_t::consist );/*wlacza/wylacza sypanie piasku*/
-	bool SandboxAuto( bool const State, range_t const Notify = range_t::consist );/*wlacza/wylacza sypanie piasku*/
+	bool SandboxManual( bool const State, range_t const Notify = range_t::consist );/*wlacza/wylacza reczne sypanie piasku*/
+	bool SandboxAuto( bool const State, range_t const Notify = range_t::consist );/*wlacza/wylacza automatyczne sypanie piasku*/
     bool Sandbox( bool const State, range_t const Notify = range_t::consist );/*wlacza/wylacza sypanie piasku*/
+	bool SandboxAutoAllow(bool const State);/*wlacza/wylacza zezwolenie na automatyczne sypanie piasku*/
 
 						  /*! zbijanie czuwaka/SHP*/
 	void SSReset(void);
diff --git a/McZapkie/Mover.cpp b/McZapkie/Mover.cpp
index 6ed13a37..d5ba5a7e 100644
--- a/McZapkie/Mover.cpp
+++ b/McZapkie/Mover.cpp
@@ -2328,6 +2328,24 @@ bool TMoverParameters::Sandbox( bool const State, range_t const Notify )
     return result;
 }
 
+// *************************************************************************************************
+// yB: 20190909
+// włączenie / wyłączenie automatycznej piasecznicy
+// *************************************************************************************************
+bool TMoverParameters::SandboxAutoAllow(bool State)
+{
+	//SendCtrlToNext("SandboxAutoAllow", int(State), CabNo, ctrain_controll);
+
+	if (SandDoseAutoAllow != State)
+	{
+		SandDoseAutoAllow = State;
+		return true;
+	}
+	else
+		return false;
+	
+}
+
 void TMoverParameters::SSReset(void)
 { // funkcja pomocnicza dla SecuritySystemReset - w Delphi Reset()
     SecuritySystem.SystemTimer = 0;
diff --git a/Train.cpp b/Train.cpp
index d2dd6cc9..59fb2277 100644
--- a/Train.cpp
+++ b/Train.cpp
@@ -1441,6 +1441,37 @@ void TTrain::OnCommand_sandboxactivate( TTrain *Train, command_data const &Comma
     }
 }
 
+void TTrain::OnCommand_autosandboxtoggle(TTrain *Train, command_data const &Command) {
+
+	if (Command.action == GLFW_PRESS) {
+		// only reacting to press, so the switch doesn't flip back and forth if key is held down
+		if (false == Train->mvOccupied->SandDoseAutoAllow) {
+			// turn on
+			OnCommand_autosandboxactivate(Train, Command);
+		}
+		else {
+			//turn off
+			OnCommand_autosandboxdeactivate(Train, Command);
+		}
+	}
+};
+
+void TTrain::OnCommand_autosandboxactivate(TTrain *Train, command_data const &Command) {
+	if (Command.action == GLFW_PRESS) {
+		// only reacting to press, so the switch doesn't flip back and forth if key is held down
+		Train->mvOccupied->SandboxAutoAllow(true);
+		Train->ggAutoSandAllow.UpdateValue(1.0, Train->dsbSwitch);
+	}
+};
+
+void TTrain::OnCommand_autosandboxdeactivate(TTrain *Train, command_data const &Command) {
+	if (Command.action == GLFW_PRESS) {
+		// only reacting to press, so the switch doesn't flip back and forth if key is held down
+		Train->mvOccupied->SandboxAutoAllow(false);
+		Train->ggAutoSandAllow.UpdateValue(0.0, Train->dsbSwitch);
+	}
+};
+
 void TTrain::OnCommand_epbrakecontroltoggle( TTrain *Train, command_data const &Command ) {
 
     if( Command.action == GLFW_PRESS ) {
@@ -8070,6 +8101,7 @@ bool TTrain::initialize_gauge(cParser &Parser, std::string const &Label, int con
         { "security_reset_bt:", ggSecurityResetButton },
         { "releaser_bt:", ggReleaserButton },
         { "sand_bt:", ggSandButton },
+		{ "autosandallow_sw:", ggAutoSandAllow },
         { "antislip_bt:", ggAntiSlipButton },
         { "horn_bt:", ggHornButton },
         { "hornlow_bt:", ggHornLowButton },
diff --git a/Train.h b/Train.h
index 4e1f187d..2e16d181 100644
--- a/Train.h
+++ b/Train.h
@@ -196,6 +196,9 @@ class TTrain
     static void OnCommand_alarmchaintoggle( TTrain *Train, command_data const &Command );
     static void OnCommand_wheelspinbrakeactivate( TTrain *Train, command_data const &Command );
     static void OnCommand_sandboxactivate( TTrain *Train, command_data const &Command );
+	static void OnCommand_autosandboxtoggle(TTrain *Train, command_data const &Command);
+	static void OnCommand_autosandboxactivate(TTrain *Train, command_data const &Command);
+	static void OnCommand_autosandboxdeactivate(TTrain *Train, command_data const &Command);
     static void OnCommand_epbrakecontroltoggle( TTrain *Train, command_data const &Command );
 	static void OnCommand_trainbrakeoperationmodeincrease(TTrain *Train, command_data const &Command);
 	static void OnCommand_trainbrakeoperationmodedecrease(TTrain *Train, command_data const &Command);
@@ -408,6 +411,7 @@ public: // reszta może by?publiczna
     TGauge ggSecurityResetButton;
     TGauge ggReleaserButton;
     TGauge ggSandButton; // guzik piasecznicy
+	TGauge ggAutoSandAllow; // przełącznik piasecznicy
     TGauge ggAntiSlipButton;
     TGauge ggFuseButton;
     TGauge ggConverterFuseButton; // hunter-261211: przycisk odblokowania nadmiarowego przetwornic i ogrzewania