diff --git a/src/main/java/com/github/stephengold/joltjni/WheelSettings.java b/src/main/java/com/github/stephengold/joltjni/WheelSettings.java
new file mode 100644
index 00000000..f5c4cf6b
--- /dev/null
+++ b/src/main/java/com/github/stephengold/joltjni/WheelSettings.java
@@ -0,0 +1,147 @@
+/*
+Copyright (c) 2024 Stephen Gold
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+ */
+package com.github.stephengold.joltjni;
+
+import com.github.stephengold.joltjni.readonly.Vec3Arg;
+import com.github.stephengold.joltjni.template.Ref;
+
+/**
+ * Settings used to construct a {@code Wheel}.
+ *
+ * @author Stephen Gold sgold@sonic.net
+ */
+abstract public class WheelSettings extends SerializableObject {
+    // *************************************************************************
+    // constructors
+
+    /**
+     * Instantiate settings with no native object assigned.
+     *
+     * @param dummy unused argument to distinguish from the zero-arg constructor
+     */
+    WheelSettings(boolean dummy) {
+    }
+    // *************************************************************************
+    // new methods exposed
+
+    /**
+     * Copy the location of the attachment point. The settings are unaffected.
+     * (native attribute: mPosition)
+     *
+     * @return a new location vector (in the body's local system)
+     */
+    public Vec3 getPosition() {
+        long settingsVa = va();
+        float x = getPositionX(settingsVa);
+        float y = getPositionY(settingsVa);
+        float z = getPositionZ(settingsVa);
+        Vec3 result = new Vec3(x, y, z);
+
+        return result;
+    }
+
+    /**
+     * Return the radius of the wheel. The settings are unaffected. (native
+     * attribute: mRadius)
+     *
+     * @return the radius (in maters)
+     */
+    public float getRadius() {
+        long settingsVa = va();
+        float result = getRadius(settingsVa);
+
+        return result;
+    }
+
+    /**
+     * Return the width of the wheel. The settings are unaffected. (native
+     * attribute: mWidth)
+     *
+     * @return the width (in maters)
+     */
+    public float getWidth() {
+        long settingsVa = va();
+        float result = getWidth(settingsVa);
+
+        return result;
+    }
+
+    /**
+     * Alter the location of the attachment point. (native attribute: mPosition)
+     *
+     * @param position the location of the attachment point (in the body's local
+     * system, not null, unaffected, default=(0,0,0))
+     */
+    public void setPosition(Vec3Arg position) {
+        long settingsVa = va();
+        float x = position.getX();
+        float y = position.getY();
+        float z = position.getZ();
+        setPosition(settingsVa, x, y, z);
+    }
+
+    /**
+     * Alter the radius of the wheel. (native attribute: mRadius)
+     *
+     * @param radius the desired radius (in meters, default=0.3)
+     */
+    public void setRadius(float radius) {
+        long settingsVa = va();
+        setRadius(settingsVa, radius);
+    }
+
+    /**
+     * Alter the width of the wheel. (native attribute: mWidth)
+     *
+     * @param width the desired width (in meters, default=0.1)
+     */
+    public void setWidth(float width) {
+        long settingsVa = va();
+        setWidth(settingsVa, width);
+    }
+
+    /**
+     * Create a counted reference to the native {@code WheelSettings}.
+     *
+     * @return a new JVM object with a new native object assigned
+     */
+    abstract public Ref toRef();
+    // *************************************************************************
+    // native private methods
+
+    native private static float getPositionX(long settingsVa);
+
+    native private static float getPositionY(long settingsVa);
+
+    native private static float getPositionZ(long settingsVa);
+
+    native private static float getRadius(long settingsVa);
+
+    native private static float getWidth(long settingsVa);
+
+    native private static void setPosition(
+            long settingsVa, float x, float y, float z);
+
+    native private static void setRadius(long settingsVa, float radius);
+
+    native private static void setWidth(long settingsVa, float width);
+}
diff --git a/src/main/native/glue/w/WheelSettings.cpp b/src/main/native/glue/w/WheelSettings.cpp
new file mode 100644
index 00000000..1ac9cc1a
--- /dev/null
+++ b/src/main/native/glue/w/WheelSettings.cpp
@@ -0,0 +1,132 @@
+/*
+Copyright (c) 2024 Stephen Gold
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+ */
+
+/*
+ * Author: Stephen Gold
+ */
+#include "Jolt/Jolt.h"
+#include "Jolt/Physics/Vehicle/Wheel.h"
+#include "auto/com_github_stephengold_joltjni_WheelSettings.h"
+
+using namespace JPH;
+
+/*
+ * Class:     com_github_stephengold_joltjni_WheelSettings
+ * Method:    getPositionX
+ * Signature: (J)F
+ */
+JNIEXPORT jfloat JNICALL Java_com_github_stephengold_joltjni_WheelSettings_getPositionX
+  (JNIEnv *, jclass, jlong settingsVa) {
+    const WheelSettings * const pSettings
+            = reinterpret_cast<WheelSettings *> (settingsVa);
+    const float result = pSettings->mPosition.GetX();
+    return result;
+}
+
+/*
+ * Class:     com_github_stephengold_joltjni_WheelSettings
+ * Method:    getPositionY
+ * Signature: (J)F
+ */
+JNIEXPORT jfloat JNICALL Java_com_github_stephengold_joltjni_WheelSettings_getPositionY
+  (JNIEnv *, jclass, jlong settingsVa) {
+    const WheelSettings * const pSettings
+            = reinterpret_cast<WheelSettings *> (settingsVa);
+    const float result = pSettings->mPosition.GetY();
+    return result;
+}
+
+/*
+ * Class:     com_github_stephengold_joltjni_WheelSettings
+ * Method:    getPositionZ
+ * Signature: (J)F
+ */
+JNIEXPORT jfloat JNICALL Java_com_github_stephengold_joltjni_WheelSettings_getPositionZ
+  (JNIEnv *, jclass, jlong settingsVa) {
+    const WheelSettings * const pSettings
+            = reinterpret_cast<WheelSettings *> (settingsVa);
+    const float result = pSettings->mPosition.GetZ();
+    return result;
+}
+
+/*
+ * Class:     com_github_stephengold_joltjni_WheelSettings
+ * Method:    getRadius
+ * Signature: (J)F
+ */
+JNIEXPORT jfloat JNICALL Java_com_github_stephengold_joltjni_WheelSettings_getRadius
+  (JNIEnv *, jclass, jlong settingsVa) {
+    const WheelSettings * const pSettings
+            = reinterpret_cast<WheelSettings *> (settingsVa);
+    const float result = pSettings->mRadius;
+    return result;
+}
+
+/*
+ * Class:     com_github_stephengold_joltjni_WheelSettings
+ * Method:    getWidth
+ * Signature: (J)F
+ */
+JNIEXPORT jfloat JNICALL Java_com_github_stephengold_joltjni_WheelSettings_getWidth
+  (JNIEnv *, jclass, jlong settingsVa) {
+    const WheelSettings * const pSettings
+            = reinterpret_cast<WheelSettings *> (settingsVa);
+    const float result = pSettings->mWidth;
+    return result;
+}
+
+/*
+ * Class:     com_github_stephengold_joltjni_WheelSettings
+ * Method:    setPosition
+ * Signature: (JFFF)V
+ */
+JNIEXPORT void JNICALL Java_com_github_stephengold_joltjni_WheelSettings_setPosition
+  (JNIEnv *, jclass, jlong settingsVa, jfloat x, jfloat y, jfloat z) {
+    WheelSettings * const pSettings
+            = reinterpret_cast<WheelSettings *> (settingsVa);
+    const Vec3 position(x, y, z);
+    pSettings->mPosition = position;
+}
+
+/*
+ * Class:     com_github_stephengold_joltjni_WheelSettings
+ * Method:    setRadius
+ * Signature: (JF)V
+ */
+JNIEXPORT void JNICALL Java_com_github_stephengold_joltjni_WheelSettings_setRadius
+  (JNIEnv *, jclass, jlong settingsVa, jfloat radius) {
+    WheelSettings * const pSettings
+            = reinterpret_cast<WheelSettings *> (settingsVa);
+    pSettings->mRadius = radius;
+}
+
+/*
+ * Class:     com_github_stephengold_joltjni_WheelSettings
+ * Method:    setWidth
+ * Signature: (JF)V
+ */
+JNIEXPORT void JNICALL Java_com_github_stephengold_joltjni_WheelSettings_setWidth
+  (JNIEnv *, jclass, jlong settingsVa, jfloat width) {
+    WheelSettings * const pSettings
+            = reinterpret_cast<WheelSettings *> (settingsVa);
+    pSettings->mWidth = width;
+}
\ No newline at end of file