diff --git a/core/assets-raw/sprites/blocks/payload/payload-mass-driver-base.png b/core/assets-raw/sprites/blocks/payload/payload-mass-driver-base.png
index fb55b6eb6f..373f195e1e 100644
Binary files a/core/assets-raw/sprites/blocks/payload/payload-mass-driver-base.png and b/core/assets-raw/sprites/blocks/payload/payload-mass-driver-base.png differ
diff --git a/core/assets-raw/sprites/blocks/payload/payload-mass-driver-top.png b/core/assets-raw/sprites/blocks/payload/payload-mass-driver-top.png
index 84b064a4f1..0707b165ad 100644
Binary files a/core/assets-raw/sprites/blocks/payload/payload-mass-driver-top.png and b/core/assets-raw/sprites/blocks/payload/payload-mass-driver-top.png differ
diff --git a/core/src/mindustry/content/Blocks.java b/core/src/mindustry/content/Blocks.java
index 5f73b84936..355e320699 100644
--- a/core/src/mindustry/content/Blocks.java
+++ b/core/src/mindustry/content/Blocks.java
@@ -3617,15 +3617,14 @@ public class Blocks{
             canOverdrive = false;
         }};
 
-        //TODO
         payloadMassDriver = new PayloadMassDriver("payload-mass-driver"){{
-            requirements(Category.units, with(Items.tungsten, 120, Items.silicon, 120, Items.oxide, 60));
+            requirements(Category.units, with(Items.tungsten, 120, Items.silicon, 120, Items.oxide, 70));
             size = 3;
-            reloadTime = 150f;
-            chargeTime = 120f;
+            reloadTime = 130f;
+            chargeTime = 90f;
             range = 300f;
             maxPayloadSize = 2.5f;
-            consumes.power(3f);
+            consumes.power(2f);
         }};
 
         payloadPropulsionTower = new PayloadMassDriver("payload-propulsion-tower"){{
diff --git a/core/src/mindustry/content/ErekirTechTree.java b/core/src/mindustry/content/ErekirTechTree.java
index 1271d504e8..5d23138469 100644
--- a/core/src/mindustry/content/ErekirTechTree.java
+++ b/core/src/mindustry/content/ErekirTechTree.java
@@ -56,26 +56,34 @@ public class ErekirTechTree{
                     });
                 });
 
-                //TODO should only be unlocked in unit sector
-                node(constructor, Seq.with(new Research(siliconArcFurnace), new OnSector(four)), () -> {
+                node(reinforcedPayloadConveyor, Seq.with(new OnSector(four)), () -> {
+                    //TODO should only be unlocked in unit sector
+                    node(constructor, Seq.with(new Research(siliconArcFurnace), new OnSector(four)), () -> {
 
-                    //TODO further limitations
-                    node(payloadLoader, () -> {
-                        node(payloadUnloader, () -> {
-                            node(payloadPropulsionTower, () -> {
+                        node(payloadMassDriver, () -> {
+                            //TODO further limitations
+                            node(payloadLoader, () -> {
+                                node(payloadUnloader, () -> {
+                                    node(payloadPropulsionTower, () -> {
 
+                                    });
+                                });
+                            });
+
+                            node(smallDeconstructor, () -> {
+                                node(largeConstructor, () -> {
+
+                                });
+
+                                node(deconstructor, () -> {
+
+                                });
                             });
                         });
                     });
 
-                    node(smallDeconstructor, () -> {
-                        node(largeConstructor, () -> {
+                    node(reinforcedPayloadRouter, () -> {
 
-                        });
-
-                        node(deconstructor, () -> {
-
-                        });
                     });
                 });
             });