diff --git a/k4EDM4hep2LcioConv/include/k4EDM4hep2LcioConv/k4EDM4hep2LcioConv.h b/k4EDM4hep2LcioConv/include/k4EDM4hep2LcioConv/k4EDM4hep2LcioConv.h
index 845282c9..e30bb095 100644
--- a/k4EDM4hep2LcioConv/include/k4EDM4hep2LcioConv/k4EDM4hep2LcioConv.h
+++ b/k4EDM4hep2LcioConv/include/k4EDM4hep2LcioConv/k4EDM4hep2LcioConv.h
@@ -22,7 +22,15 @@
 #include <edm4hep/SimTrackerHitCollection.h>
 #include <edm4hep/RawTimeSeriesCollection.h>
 #include <edm4hep/TrackCollection.h>
-#include <edm4hep/TrackerHitCollection.h>
+#if __has_include("edm4hep/TrackerHit3DCollection.h")
+#include "edm4hep/TrackerHit3DCollection.h"
+#else
+#include "edm4hep/TrackerHitCollection.h"
+namespace edm4hep {
+  using TrackerHit3DCollection = edm4hep::TrackerHitCollection;
+  using TrackerHit3D = edm4hep::TrackerHit;
+} // namespace edm4hep
+#endif
 #include <edm4hep/TrackerHitPlaneCollection.h>
 #include <edm4hep/VertexCollection.h>
 
@@ -66,7 +74,7 @@ namespace EDM4hep2LCIOConv {
 
   struct CollectionsPairVectors {
     ObjectMapT<lcio::TrackImpl*, edm4hep::Track> tracks {};
-    ObjectMapT<lcio::TrackerHitImpl*, edm4hep::TrackerHit> trackerHits {};
+    ObjectMapT<lcio::TrackerHitImpl*, edm4hep::TrackerHit3D> trackerHits {};
     ObjectMapT<lcio::TrackerHitPlaneImpl*, edm4hep::TrackerHitPlane> trackerHitPlanes {};
     ObjectMapT<lcio::SimTrackerHitImpl*, edm4hep::SimTrackerHit> simTrackerHits {};
     ObjectMapT<lcio::CalorimeterHitImpl*, edm4hep::CalorimeterHit> caloHits {};
@@ -87,7 +95,7 @@ namespace EDM4hep2LCIOConv {
 
   template<typename TrackerHitMapT>
   lcio::LCCollectionVec* convTrackerHits(
-    const edm4hep::TrackerHitCollection* const trackerhits_coll,
+    const edm4hep::TrackerHit3DCollection* const trackerhits_coll,
     const std::string& cellIDstr,
     TrackerHitMapT& trackerhits_vec);
 
diff --git a/k4EDM4hep2LcioConv/include/k4EDM4hep2LcioConv/k4EDM4hep2LcioConv.ipp b/k4EDM4hep2LcioConv/include/k4EDM4hep2LcioConv/k4EDM4hep2LcioConv.ipp
index 20abcf5b..065eb1ff 100644
--- a/k4EDM4hep2LcioConv/include/k4EDM4hep2LcioConv/k4EDM4hep2LcioConv.ipp
+++ b/k4EDM4hep2LcioConv/include/k4EDM4hep2LcioConv/k4EDM4hep2LcioConv.ipp
@@ -101,7 +101,7 @@ namespace EDM4hep2LCIOConv {
   // Add LCIO Collection Vector to LCIO event
   template<typename TrackerHitMapT>
   lcio::LCCollectionVec* convTrackerHits(
-    const edm4hep::TrackerHitCollection* const trackerhits_coll,
+    const edm4hep::TrackerHit3DCollection* const trackerhits_coll,
     const std::string& cellIDstr,
     TrackerHitMapT& trackerhits_vec)
   {
diff --git a/k4EDM4hep2LcioConv/include/k4EDM4hep2LcioConv/k4Lcio2EDM4hepConv.h b/k4EDM4hep2LcioConv/include/k4EDM4hep2LcioConv/k4Lcio2EDM4hepConv.h
index e3acdcee..2b92617c 100644
--- a/k4EDM4hep2LcioConv/include/k4EDM4hep2LcioConv/k4Lcio2EDM4hepConv.h
+++ b/k4EDM4hep2LcioConv/include/k4EDM4hep2LcioConv/k4Lcio2EDM4hepConv.h
@@ -24,7 +24,15 @@
 #include "edm4hep/SimTrackerHitCollection.h"
 #include "edm4hep/RawTimeSeriesCollection.h"
 #include "edm4hep/TrackCollection.h"
+#if __has_include("edm4hep/TrackerHit3DCollection.h")
+#include "edm4hep/TrackerHit3DCollection.h"
+#else
 #include "edm4hep/TrackerHitCollection.h"
+namespace edm4hep {
+  using TrackerHit3DCollection = edm4hep::TrackerHitCollection;
+  using MutableTrackerHit3D = edm4hep::TrackerHit;
+} // namespace edm4hep
+#endif
 #include "edm4hep/TrackerHitPlaneCollection.h"
 #include "edm4hep/VertexCollection.h"
 
@@ -71,7 +79,7 @@ namespace LCIO2EDM4hepConv {
    */
   struct LcioEdmTypeMapping {
     ObjectMapT<lcio::Track*, edm4hep::MutableTrack> tracks {};
-    ObjectMapT<lcio::TrackerHit*, edm4hep::MutableTrackerHit> trackerHits {};
+    ObjectMapT<lcio::TrackerHit*, edm4hep::MutableTrackerHit3D> trackerHits {};
     ObjectMapT<lcio::SimTrackerHit*, edm4hep::MutableSimTrackerHit> simTrackerHits {};
     ObjectMapT<lcio::CalorimeterHit*, edm4hep::MutableCalorimeterHit> caloHits {};
     ObjectMapT<lcio::RawCalorimeterHit*, edm4hep::MutableRawCalorimeterHit> rawCaloHits {};
@@ -232,7 +240,7 @@ namespace LCIO2EDM4hepConv {
    * Simultaneously populates the mapping from LCIO to EDM4hep objects.
    */
   template<typename HitMapT>
-  std::unique_ptr<edm4hep::TrackerHitCollection>
+  std::unique_ptr<edm4hep::TrackerHit3DCollection>
   convertTrackerHits(const std::string& name, EVENT::LCCollection* LCCollection, HitMapT& TrackerHitMap);
 
   /**
diff --git a/k4EDM4hep2LcioConv/include/k4EDM4hep2LcioConv/k4Lcio2EDM4hepConv.ipp b/k4EDM4hep2LcioConv/include/k4EDM4hep2LcioConv/k4Lcio2EDM4hepConv.ipp
index 1b7cd9fa..06807256 100644
--- a/k4EDM4hep2LcioConv/include/k4EDM4hep2LcioConv/k4Lcio2EDM4hepConv.ipp
+++ b/k4EDM4hep2LcioConv/include/k4EDM4hep2LcioConv/k4Lcio2EDM4hepConv.ipp
@@ -277,10 +277,10 @@ namespace LCIO2EDM4hepConv {
   }
 
   template<typename HitMapT>
-  std::unique_ptr<edm4hep::TrackerHitCollection>
+  std::unique_ptr<edm4hep::TrackerHit3DCollection>
   convertTrackerHits(const std::string& name, EVENT::LCCollection* LCCollection, HitMapT& TrackerHitMap)
   {
-    auto dest = std::make_unique<edm4hep::TrackerHitCollection>();
+    auto dest = std::make_unique<edm4hep::TrackerHit3DCollection>();
     for (unsigned i = 0, N = LCCollection->getNumberOfElements(); i < N; ++i) {
       auto* rval = static_cast<EVENT::TrackerHit*>(LCCollection->getElementAt(i));
       auto lval = dest->create();
@@ -1067,7 +1067,7 @@ namespace LCIO2EDM4hepConv {
       return handleSubsetColl<edm4hep::RawTimeSeriesCollection>(LCCollection, typeMapping.tpcHits);
     }
     else if (type == "TrackerHit") {
-      return handleSubsetColl<edm4hep::TrackerHitCollection>(LCCollection, typeMapping.trackerHits);
+      return handleSubsetColl<edm4hep::TrackerHit3DCollection>(LCCollection, typeMapping.trackerHits);
     }
     else if (type == "TrackerHitPlane") {
       return handleSubsetColl<edm4hep::TrackerHitPlaneCollection>(LCCollection, typeMapping.trackerHitPlanes);
diff --git a/k4EDM4hep2LcioConv/src/k4EDM4hep2LcioConv.cpp b/k4EDM4hep2LcioConv/src/k4EDM4hep2LcioConv.cpp
index 694b4b9b..d8abca79 100644
--- a/k4EDM4hep2LcioConv/src/k4EDM4hep2LcioConv.cpp
+++ b/k4EDM4hep2LcioConv/src/k4EDM4hep2LcioConv.cpp
@@ -41,7 +41,7 @@ namespace EDM4hep2LCIOConv {
         auto lcColl = convTracks(coll, objectMappings.tracks, objectMappings.trackerHits);
         lcioEvent->addCollection(lcColl, name);
       }
-      else if (auto coll = dynamic_cast<const edm4hep::TrackerHitCollection*>(edmCollection)) {
+      else if (auto coll = dynamic_cast<const edm4hep::TrackerHit3DCollection*>(edmCollection)) {
         auto lcColl = convTrackerHits(coll, cellIDStr, objectMappings.trackerHits);
         lcioEvent->addCollection(lcColl, name);
       }
diff --git a/tests/compare_contents.cpp b/tests/compare_contents.cpp
index 12b4739f..9df07909 100644
--- a/tests/compare_contents.cpp
+++ b/tests/compare_contents.cpp
@@ -91,7 +91,7 @@ int main(int argc, char* argv[])
       ASSERT_COMPARE_OR_EXIT(edm4hep::MCParticleCollection)
       ASSERT_COMPARE_OR_EXIT(edm4hep::ReconstructedParticleCollection)
       ASSERT_COMPARE_OR_EXIT(edm4hep::TrackCollection)
-      ASSERT_COMPARE_OR_EXIT(edm4hep::TrackerHitCollection)
+      ASSERT_COMPARE_OR_EXIT(edm4hep::TrackerHit3DCollection)
       ASSERT_COMPARE_OR_EXIT(edm4hep::TrackerHitPlaneCollection)
       ASSERT_COMPARE_OR_EXIT(edm4hep::SimTrackerHitCollection)
       ASSERT_COMPARE_OR_EXIT(edm4hep::CalorimeterHitCollection)
diff --git a/tests/edm4hep_roundtrip.cpp b/tests/edm4hep_roundtrip.cpp
index 60ba4784..b040de48 100644
--- a/tests/edm4hep_roundtrip.cpp
+++ b/tests/edm4hep_roundtrip.cpp
@@ -24,7 +24,7 @@ int main()
   ASSERT_SAME_OR_ABORT(edm4hep::MCParticleCollection, "mcParticles");
   ASSERT_SAME_OR_ABORT(edm4hep::SimCalorimeterHitCollection, "simCaloHits");
   ASSERT_SAME_OR_ABORT(edm4hep::TrackCollection, "tracks");
-  ASSERT_SAME_OR_ABORT(edm4hep::TrackerHitCollection, "trackerHits");
+  ASSERT_SAME_OR_ABORT(edm4hep::TrackerHit3DCollection, "trackerHits");
   ASSERT_SAME_OR_ABORT(edm4hep::TrackerHitPlaneCollection, "trackerHitPlanes");
   ASSERT_SAME_OR_ABORT(edm4hep::ClusterCollection, "clusters");
 
diff --git a/tests/edm4hep_to_lcio.cpp b/tests/edm4hep_to_lcio.cpp
index 587c1467..6e4d4c88 100644
--- a/tests/edm4hep_to_lcio.cpp
+++ b/tests/edm4hep_to_lcio.cpp
@@ -53,7 +53,7 @@ int main()
     ASSERT_COMPARE_OR_EXIT(edm4hep::MCParticleCollection)
     ASSERT_COMPARE_OR_EXIT(edm4hep::ReconstructedParticleCollection)
     ASSERT_COMPARE_OR_EXIT(edm4hep::TrackCollection)
-    ASSERT_COMPARE_OR_EXIT(edm4hep::TrackerHitCollection)
+    ASSERT_COMPARE_OR_EXIT(edm4hep::TrackerHit3DCollection)
     ASSERT_COMPARE_OR_EXIT(edm4hep::TrackerHitPlaneCollection)
     ASSERT_COMPARE_OR_EXIT(edm4hep::SimTrackerHitCollection)
     ASSERT_COMPARE_OR_EXIT(edm4hep::CalorimeterHitCollection)
diff --git a/tests/src/CompareEDM4hepEDM4hep.cc b/tests/src/CompareEDM4hepEDM4hep.cc
index 9f150c85..6b560bef 100644
--- a/tests/src/CompareEDM4hepEDM4hep.cc
+++ b/tests/src/CompareEDM4hepEDM4hep.cc
@@ -5,7 +5,6 @@
 #include "edm4hep/MCParticleCollection.h"
 #include "edm4hep/SimCalorimeterHitCollection.h"
 #include "edm4hep/TrackCollection.h"
-#include "edm4hep/TrackerHitCollection.h"
 #include "edm4hep/TrackerHitPlaneCollection.h"
 #include "edm4hep/ClusterCollection.h"
 
@@ -199,7 +198,7 @@ bool compare(const edm4hep::TrackCollection& origColl, const edm4hep::TrackColle
   return true;
 }
 
-bool compare(const edm4hep::TrackerHitCollection& origColl, const edm4hep::TrackerHitCollection& roundtripColl)
+bool compare(const edm4hep::TrackerHit3DCollection& origColl, const edm4hep::TrackerHit3DCollection& roundtripColl)
 {
   REQUIRE_SAME(origColl.size(), roundtripColl.size(), "collection sizes");
   for (size_t i = 0; i < origColl.size(); ++i) {
diff --git a/tests/src/CompareEDM4hepEDM4hep.h b/tests/src/CompareEDM4hepEDM4hep.h
index 0bbd9d5b..c5f1b7c5 100644
--- a/tests/src/CompareEDM4hepEDM4hep.h
+++ b/tests/src/CompareEDM4hepEDM4hep.h
@@ -13,7 +13,7 @@ bool compare(
 
 bool compare(const edm4hep::TrackCollection& origColl, const edm4hep::TrackCollection& roundtripColl);
 
-bool compare(const edm4hep::TrackerHitCollection& origColl, const edm4hep::TrackerHitCollection& roundtripColl);
+bool compare(const edm4hep::TrackerHit3DCollection& origColl, const edm4hep::TrackerHit3DCollection& roundtripColl);
 
 bool compare(
   const edm4hep::TrackerHitPlaneCollection& origColl,
diff --git a/tests/src/CompareEDM4hepLCIO.cc b/tests/src/CompareEDM4hepLCIO.cc
index dd40aa5a..0b86d8d8 100644
--- a/tests/src/CompareEDM4hepLCIO.cc
+++ b/tests/src/CompareEDM4hepLCIO.cc
@@ -414,7 +414,7 @@ bool compare(
 
 bool compare(
   const EVENT::TrackerHit* lcioElem,
-  const edm4hep::TrackerHit& edm4hepElem,
+  const edm4hep::TrackerHit3D& edm4hepElem,
   const ObjectMappings& objectMaps)
 {
   const auto lcioCellID = to64BitCellID(lcioElem);
@@ -432,7 +432,7 @@ bool compare(
 
 bool compare(
   const lcio::LCCollection* lcioCollection,
-  const edm4hep::TrackerHitCollection& edm4hepCollection,
+  const edm4hep::TrackerHit3DCollection& edm4hepCollection,
   const ObjectMappings& objectMaps)
 {
   return compareCollection<EVENT::TrackerHit>(lcioCollection, edm4hepCollection, objectMaps);
diff --git a/tests/src/CompareEDM4hepLCIO.h b/tests/src/CompareEDM4hepLCIO.h
index 3703499d..977496d1 100644
--- a/tests/src/CompareEDM4hepLCIO.h
+++ b/tests/src/CompareEDM4hepLCIO.h
@@ -23,7 +23,15 @@
 #include "edm4hep/SimTrackerHitCollection.h"
 #include "edm4hep/RawTimeSeriesCollection.h"
 #include "edm4hep/TrackCollection.h"
+#if __has_include("edm4hep/TrackerHit3DCollection.h")
+#include "edm4hep/TrackerHit3DCollection.h"
+#else
 #include "edm4hep/TrackerHitCollection.h"
+namespace edm4hep {
+  using TrackerHit3DCollection = edm4hep::TrackerHitCollection;
+  using TrackerHit3D = edm4hep::TrackerHit;
+} // namespace edm4hep
+#endif
 #include "edm4hep/TrackerHitPlaneCollection.h"
 #include "edm4hep/VertexCollection.h"
 #include "podio/Frame.h"
@@ -107,10 +115,10 @@ bool compare(
   const edm4hep::RawTimeSeriesCollection& edm4hepCollection,
   const ObjectMappings& objectMaps);
 
-bool compare(const EVENT::TrackerHit* lcio, const edm4hep::TrackerHit& edm4hep, const ObjectMappings& objectMaps);
+bool compare(const EVENT::TrackerHit* lcio, const edm4hep::TrackerHit3D& edm4hep, const ObjectMappings& objectMaps);
 bool compare(
   const lcio::LCCollection* lcioCollection,
-  const edm4hep::TrackerHitCollection& edm4hepCollection,
+  const edm4hep::TrackerHit3DCollection& edm4hepCollection,
   const ObjectMappings& objectMaps);
 
 bool compare(
diff --git a/tests/src/EDM4hep2LCIOUtilities.cc b/tests/src/EDM4hep2LCIOUtilities.cc
index 6fbeb6b0..6f09e6b4 100644
--- a/tests/src/EDM4hep2LCIOUtilities.cc
+++ b/tests/src/EDM4hep2LCIOUtilities.cc
@@ -4,7 +4,14 @@
 #include "edm4hep/MCParticleCollection.h"
 #include "edm4hep/RawCalorimeterHitCollection.h"
 #include "edm4hep/SimCalorimeterHitCollection.h"
+#if __has_include("edm4hep/TrackerHit3DCollection.h")
+#include "edm4hep/TrackerHit3DCollection.h"
+#else
 #include "edm4hep/TrackerHitCollection.h"
+namespace edm4hep {
+  using TrackerHit3DCollection = edm4hep::TrackerHitCollection;
+} // namespace edm4hep
+#endif
 #include <edm4hep/TrackerHitPlaneCollection.h>
 #include <edm4hep/EventHeaderCollection.h>
 #include <edm4hep/RawTimeSeriesCollection.h>
@@ -142,9 +149,9 @@ edm4hep::RawTimeSeriesCollection createTPCHits(const int num_elements, const int
   return coll;
 }
 
-edm4hep::TrackerHitCollection createTrackerHits(const int num_elements)
+edm4hep::TrackerHit3DCollection createTrackerHits(const int num_elements)
 {
-  edm4hep::TrackerHitCollection coll {};
+  edm4hep::TrackerHit3DCollection coll {};
 
   for (int i = 0; i < num_elements; ++i) {
     auto elem = coll.create();
@@ -187,7 +194,7 @@ edm4hep::TrackCollection createTracks(
   const int num_elements,
   const int subdetectorhitnumbers,
   const int num_track_states,
-  const edm4hep::TrackerHitCollection& trackerHits,
+  const edm4hep::TrackerHit3DCollection& trackerHits,
   const std::vector<std::size_t>& link_trackerhit_idcs,
   const std::vector<test_config::IdxPair>& track_link_tracks_idcs)
 {
diff --git a/tests/src/EDM4hep2LCIOUtilities.h b/tests/src/EDM4hep2LCIOUtilities.h
index 2a73ff77..b4cda5df 100644
--- a/tests/src/EDM4hep2LCIOUtilities.h
+++ b/tests/src/EDM4hep2LCIOUtilities.h
@@ -6,12 +6,20 @@
 #include <vector>
 #include <tuple>
 
+#if __has_include("edm4hep/TrackerHit3DCollection.h")
+#include "edm4hep/TrackerHit3DCollection.h"
+#else
+#include "edm4hep/TrackerHitCollection.h"
+namespace edm4hep {
+  using TrackerHit3DCollection = edm4hep::TrackerHitCollection;
+} // namespace edm4hep
+#endif
+
 namespace edm4hep {
   class CalorimeterHitCollection;
   class MCParticleCollection;
   class RawCalorimeterHitCollection;
   class RawTimeSeriesCollection;
-  class TrackerHitCollection;
   class TrackerHitPlaneCollection;
   class TrackCollection;
   class SimCalorimeterHitCollection;
@@ -110,7 +118,7 @@ edm4hep::RawTimeSeriesCollection createTPCHits(const int num_elements, const int
 /**
  * Create a TrackerHit collection
  */
-edm4hep::TrackerHitCollection createTrackerHits(const int num_elements);
+edm4hep::TrackerHit3DCollection createTrackerHits(const int num_elements);
 
 /**
  * Create a track collection with tracks that have links to other tracks (in the
@@ -120,7 +128,7 @@ edm4hep::TrackCollection createTracks(
   const int num_elements,
   const int subdetectorhitnumbers,
   const int num_track_states,
-  const edm4hep::TrackerHitCollection& trackerHits,
+  const edm4hep::TrackerHit3DCollection& trackerHits,
   const std::vector<std::size_t>& link_trackerhit_idcs,
   const std::vector<test_config::IdxPair>& track_link_tracks_idcs);
 
diff --git a/tests/src/ObjectMapping.cc b/tests/src/ObjectMapping.cc
index 06de56aa..a6ac8bb8 100644
--- a/tests/src/ObjectMapping.cc
+++ b/tests/src/ObjectMapping.cc
@@ -18,7 +18,14 @@
 #include "UTIL/LCIterator.h"
 
 #include "edm4hep/TrackCollection.h"
+#if __has_include("edm4hep/TrackerHit3DCollection.h")
+#include "edm4hep/TrackerHit3DCollection.h"
+#else
 #include "edm4hep/TrackerHitCollection.h"
+namespace edm4hep {
+  using TrackerHit3DCollection = edm4hep::TrackerHitCollection;
+} // namespace edm4hep
+#endif
 #include "edm4hep/TrackerHitPlaneCollection.h"
 #include "edm4hep/SimTrackerHitCollection.h"
 #include "edm4hep/ClusterCollection.h"
@@ -67,7 +74,6 @@ ObjectMappings ObjectMappings::fromEvent(EVENT::LCEvent* lcEvt, const podio::Fra
       continue;
     }
     FILL_MAP(Track, mapping.tracks);
-    FILL_MAP(TrackerHit, mapping.trackerHits);
     FILL_MAP(TrackerHitPlane, mapping.trackerHitPlanes);
     FILL_MAP(SimTrackerHit, mapping.simTrackerHits);
     FILL_MAP(Cluster, mapping.clusters);
@@ -82,6 +88,10 @@ ObjectMappings ObjectMappings::fromEvent(EVENT::LCEvent* lcEvt, const podio::Fra
       auto& edm4hepColl = edmEvt.get<edm4hep::RawTimeSeriesCollection>(name);
       fillMap<EVENT::TPCHit>(mapping.tpcHits, lcioColl, edm4hepColl);
     }
+    if (type == "TrackerHit") {
+      auto& edm4hepColl = edmEvt.get<edm4hep::TrackerHit3DCollection>(name);
+      fillMap<EVENT::TrackerHit>(mapping.trackerHits, lcioColl, edm4hepColl);
+    }
   }
 
   return mapping;