diff --git a/megamek/src/megamek/client/ui/swing/unitSelector/TWAdvancedSearchPanel.java b/megamek/src/megamek/client/ui/swing/unitSelector/TWAdvancedSearchPanel.java
index 87cbb9b1d58..23ad3a33fb1 100644
--- a/megamek/src/megamek/client/ui/swing/unitSelector/TWAdvancedSearchPanel.java
+++ b/megamek/src/megamek/client/ui/swing/unitSelector/TWAdvancedSearchPanel.java
@@ -335,6 +335,8 @@ public class TWAdvancedSearchPanel extends JPanel implements ActionListener, Ite
     private JButton btnFilterMilitary = new JButton("\u2610");
     private JLabel lblFilterIndustrial = new JLabel(Messages.getString("MechSelectorDialog.Search.Industrial"));
     private JButton btnFilterIndustrial = new JButton("\u2610");
+    private JLabel lblFilterMountedInfantry = new JLabel(Messages.getString("MechSelectorDialog.Search.MountedInfantry"));
+    private JButton btnFilterMountedInfantry = new JButton("\u2610");
     private JLabel lblFilterWaterOnly = new JLabel(Messages.getString("MechSelectorDialog.Search.WaterOnly"));
     private JButton btnFilterWaterOnly = new JButton("\u2610");
     private JLabel lblFilterSupportVehicle = new JLabel(Messages.getString("MechSelectorDialog.Search.SupportVehicle"));
@@ -989,6 +991,8 @@ private JPanel createUnitTypePanel() {
         btnFilterMilitary.addActionListener(this);
         btnFilterIndustrial.setBorder(emptyBorder);
         btnFilterIndustrial.addActionListener(this);
+        btnFilterMountedInfantry.setBorder(emptyBorder);
+        btnFilterMountedInfantry.addActionListener(this);
         btnFilterWaterOnly.setBorder(emptyBorder);
         btnFilterWaterOnly.addActionListener(this);
         btnFilterSupportVehicle.setBorder(emptyBorder);
@@ -1182,6 +1186,8 @@ private JPanel createUnitTypePanel() {
         filter1Panel.add(lblFilterMilitary);
         filter1Panel.add(btnFilterIndustrial);
         filter1Panel.add(lblFilterIndustrial);
+        filter1Panel.add(btnFilterMountedInfantry);
+        filter1Panel.add(lblFilterMountedInfantry);
         filter1Panel.add(btnFilterSupportVehicle);
         filter1Panel.add(lblFilterSupportVehicle);
         unitTypePanel.add(filter1Panel, c);
@@ -1694,6 +1700,8 @@ public void actionPerformed(java.awt.event.ActionEvent ev) {
             toggleText(btnFilterMilitary);
         } else if (ev.getSource().equals(btnFilterIndustrial)) {
             toggleText(btnFilterIndustrial);
+        } else if (ev.getSource().equals(btnFilterMountedInfantry)) {
+            toggleText(btnFilterMountedInfantry);
         } else if (ev.getSource().equals(btnFilterWaterOnly)) {
             toggleText(btnFilterWaterOnly);
         } else if (ev.getSource().equals(btnFilterSupportVehicle)) {
@@ -2052,6 +2060,7 @@ private void clearUnitType() {
         btnFilterOmni.setText("\u2610");
         btnFilterMilitary.setText("\u2610");
         btnFilterIndustrial.setText("\u2610");
+        btnFilterMountedInfantry.setText("\u2610");
         btnFilterWaterOnly.setText("\u2610");
         btnFilterSupportVehicle.setText("\u2610");
         btnFilterAerospaceFighter.setText("\u2610");
@@ -2319,6 +2328,7 @@ private void updateUnitTypes() {
         mechFilter.iOmni = getValue(btnFilterOmni);
         mechFilter.iMilitary = getValue(btnFilterMilitary);
         mechFilter.iIndustrial = getValue(btnFilterIndustrial);
+        mechFilter.iMountedInfantry = getValue(btnFilterMountedInfantry);
         mechFilter.iWaterOnly = getValue(btnFilterWaterOnly);
         mechFilter.iSupportVehicle = getValue(btnFilterSupportVehicle);
         mechFilter.iAerospaceFighter = getValue(btnFilterAerospaceFighter);
diff --git a/megamek/src/megamek/common/MechSearchFilter.java b/megamek/src/megamek/common/MechSearchFilter.java
index 379acf11e40..7b30067cf47 100644
--- a/megamek/src/megamek/common/MechSearchFilter.java
+++ b/megamek/src/megamek/common/MechSearchFilter.java
@@ -41,6 +41,7 @@ public enum BoolOp { AND, OR, NOP }
     public int iOmni;
     public int iMilitary;
     public int iIndustrial;
+    public int iMountedInfantry;
     public int iWaterOnly;
     public int iDoomedOnGround;
     public int iDoomedInAtmosphere;
@@ -470,6 +471,10 @@ public static boolean isMatch(MechSummary mech, MechSearchFilter f) {
             return false;
         }
 
+        if (!isMatch(f.iMountedInfantry, mech.getMountedInfantry())) {
+            return false;
+        }
+
         if (!isMatch(f.iWaterOnly, (mech.hasWaterMovement() && !mech.hasAirMovement() && !mech.hasGroundMovement()))) {
             return false;
         }
diff --git a/megamek/src/megamek/common/MechSummary.java b/megamek/src/megamek/common/MechSummary.java
index 225a04e43a1..aaa36263fba 100644
--- a/megamek/src/megamek/common/MechSummary.java
+++ b/megamek/src/megamek/common/MechSummary.java
@@ -39,6 +39,7 @@ public class MechSummary implements Serializable, ASCardDisplayable {
     private Long entityType;
     private boolean omni;
     private boolean military;
+    private boolean mountedInfantry;
     private int tankTurrets;
     private File sourceFile;
     private String source;
@@ -337,6 +338,10 @@ public boolean getMilitary() {
         return military;
     }
 
+    public boolean getMountedInfantry() {
+        return mountedInfantry;
+    }
+
     public int getTankTurrets() {
         return tankTurrets;
     }
@@ -656,6 +661,10 @@ public void setMilitary(boolean b) {
         military = b;
     }
 
+    public void setMountedInfantry(boolean b) {
+        mountedInfantry = b;
+    }
+
     public void setTankTurrets(int i) {
         tankTurrets = i;
     }
diff --git a/megamek/src/megamek/common/MechSummaryCache.java b/megamek/src/megamek/common/MechSummaryCache.java
index 15bc6a51c39..125afe79eb7 100644
--- a/megamek/src/megamek/common/MechSummaryCache.java
+++ b/megamek/src/megamek/common/MechSummaryCache.java
@@ -390,6 +390,8 @@ private MechSummary getSummary(Entity e, File f, String entry) {
         ms.setEntityType(e.getEntityType());
         ms.setOmni(e.isOmni());
         ms.setMilitary(e.isMilitary());
+        ms.setMountedInfantry((e instanceof Infantry) && ((Infantry) e).getMount() != null);
+
         int tankTurrets = 0;
         if (e instanceof Tank) {
             tankTurrets = ((Tank) e).getTurretCount();