Index: plugins/selenium/src/main/java/hudson/plugins/selenium/PluginImpl.java
===================================================================
--- plugins/selenium/src/main/java/hudson/plugins/selenium/PluginImpl.java	(revision 28260)
+++ plugins/selenium/src/main/java/hudson/plugins/selenium/PluginImpl.java	(working copy)
@@ -66,6 +66,7 @@
     private String rcFirefoxProfileTemplate;
     private String rcLog;
     private String hubLogLevel = "INFO";
+    private Integer numberOfRCsPerHost;
 
     /**
      * Channel to Selenium Grid JVM.
@@ -99,6 +100,11 @@
         rcTrustAllSSLCerts = formData.getBoolean("rcTrustAllSSLCerts");
         rcFirefoxProfileTemplate = formData.getString("rcFirefoxProfileTemplate");
         hubLogLevel = formData.getString("hubLogLevel");
+        String numberOfRCsPerHostString = formData.getString("numberOfRCsPerHost");
+        if (numberOfRCsPerHostString != null && numberOfRCsPerHostString.trim().length() != 0) {
+            numberOfRCsPerHost = Integer.valueOf(numberOfRCsPerHostString);
+        }
+
         try {
             save();
         } catch (IOException e) {
@@ -166,6 +172,11 @@
         return hubLogLevel != null ? hubLogLevel : "INFO";
     }
 
+    @Exported
+    public Integer getNumberOfRCsPerHost(){
+        return numberOfRCsPerHost;
+    }
+
     public void stop() throws Exception {
         channel.close();
     }
Index: plugins/selenium/src/main/java/hudson/plugins/selenium/ComputerListenerImpl.java
===================================================================
--- plugins/selenium/src/main/java/hudson/plugins/selenium/ComputerListenerImpl.java	(revision 28260)
+++ plugins/selenium/src/main/java/hudson/plugins/selenium/ComputerListenerImpl.java	(working copy)
@@ -67,7 +67,7 @@
             return;
         }
         final int masterPort = p.getPort();
-        final int nrc = c.getNumExecutors();
+        final int nrc = p.getNumberOfRCsPerHost() != null ? p.getNumberOfRCsPerHost() : c.getNumExecutors();
         final StringBuilder labelList = new StringBuilder();
         for(Label l : c.getNode().getAssignedLabels()) {
             labelList.append('/');
@@ -95,7 +95,6 @@
             userArgs.add(p.getRcFirefoxProfileTemplate());
         }
 
-
         // make sure that Selenium Hub is started before we start RCs.
         try {
             p.waitForHubLaunch();
Index: plugins/selenium/src/main/resources/hudson/plugins/selenium/PluginImpl/config.jelly
===================================================================
--- plugins/selenium/src/main/resources/hudson/plugins/selenium/PluginImpl/config.jelly	(revision 28260)
+++ plugins/selenium/src/main/resources/hudson/plugins/selenium/PluginImpl/config.jelly	(working copy)
@@ -22,6 +22,9 @@
         <f:entry title="${%Set -firefoxProfileTemplate}" field="rcFirefoxProfileTemplate" help="/plugin/selenium/help/rcfirefoxtemplate.html">
             <f:textbox name="rcFirefoxProfileTemplate" value="${it.rcFirefoxProfileTemplate}" />
         </f:entry>
+        <f:entry title="${%Set the number of RC's per node}" field="numberOfRCsPerHost" help="/plugin/selenium/help/numberofrcsperhost.html">
+            <f:textbox name="numberOfRCsPerHost" value="${it.numberOfRCsPerHost}" />
+        </f:entry>
         <f:entry title="${%Set Hub Log Level}" field="hubLogLevel" help="/plugin/selenium/help/hubloglevel.html">
              <select name="hubLogLevel" value="${it.hubLogLevel}">
                  <j:forEach var="l" items="OFF,SEVERE,WARNING,CONFIG,INFO,FINE,FINER,FINEST,ALL">
Index: plugins/selenium/src/main/webapp/help/numberofrcsperhost.html
===================================================================
--- plugins/selenium/src/main/webapp/help/numberofrcsperhost.html	(revision 0)
+++ plugins/selenium/src/main/webapp/help/numberofrcsperhost.html	(revision 0)
@@ -0,0 +1,5 @@
+<div>
+    The number of Remote Controls to start per node. If left empty
+    (or -1) the number of stated Remote Controls will be the same as
+    the number of executors on the connected node.
+</div>