diff --git a/device-types/Juniper/MX304.yaml b/device-types/Juniper/MX304.yaml
new file mode 100644
index 000000000..09e19eec1
--- /dev/null
+++ b/device-types/Juniper/MX304.yaml
@@ -0,0 +1,30 @@
+---
+manufacturer: Juniper
+model: MX304
+slug: juniper-mx304
+part_number: JNP304
+u_height: 2
+weight: 30.5
+weight_unit: kg
+airflow: front-to-rear
+front_image: true
+rear_image: true
+is_full_depth: false
+comments: '[Juniper MX304 Data Sheet](https://www.juniper.net/fr/fr/products/routers/mx-series/mx304-universal-routing-platform.html)'
+module-bays:
+  - name: PEM0
+    label: PSU 0
+    position: PSU0
+  - name: PEM1
+    label: PSU 1
+    position: PSU1
+  - name: RE0
+    label: Routing Engine 0
+    position: '0'
+  - name: RE1
+    label: Routing Engine 1
+    position: '1'
+  - name: LCMIC0
+    position: '0'
+  - name: LCMIC1
+    position: '1'
diff --git a/elevation-images/Juniper/juniper-mx304.front.png b/elevation-images/Juniper/juniper-mx304.front.png
new file mode 100644
index 000000000..84d6b4d5c
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diff --git a/elevation-images/Juniper/juniper-mx304.rear.png b/elevation-images/Juniper/juniper-mx304.rear.png
new file mode 100644
index 000000000..03917aeb3
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diff --git a/module-types/Juniper/JNP304-LMCIC16.yaml b/module-types/Juniper/JNP304-LMCIC16.yaml
new file mode 100644
index 000000000..5edf243ef
--- /dev/null
+++ b/module-types/Juniper/JNP304-LMCIC16.yaml
@@ -0,0 +1,39 @@
+---
+manufacturer: Juniper
+model: JNP304-LMCIC16
+part_number: 750-122718
+weight: 2
+weight_unit: kg
+interfaces:
+  - name: et-0/{module}/0
+    type: 400gbase-x-qsfpdd
+  - name: et-0/{module}/1
+    type: 400gbase-x-qsfpdd
+  - name: et-0/{module}/2
+    type: 400gbase-x-qsfpdd
+  - name: et-0/{module}/3
+    type: 400gbase-x-qsfpdd
+  - name: et-0/{module}/4
+    type: 400gbase-x-qsfpdd
+  - name: et-0/{module}/5
+    type: 400gbase-x-qsfpdd
+  - name: et-0/{module}/6
+    type: 400gbase-x-qsfpdd
+  - name: et-0/{module}/7
+    type: 400gbase-x-qsfpdd
+  - name: et-0/{module}/8
+    type: 400gbase-x-qsfpdd
+  - name: et-0/{module}/9
+    type: 400gbase-x-qsfpdd
+  - name: et-0/{module}/10
+    type: 400gbase-x-qsfpdd
+  - name: et-0/{module}/11
+    type: 400gbase-x-qsfpdd
+  - name: et-0/{module}/12
+    type: 400gbase-x-qsfpdd
+  - name: et-0/{module}/13
+    type: 400gbase-x-qsfpdd
+  - name: et-0/{module}/14
+    type: 400gbase-x-qsfpdd
+  - name: et-0/{module}/15
+    type: 400gbase-x-qsfpdd
diff --git a/module-types/Juniper/JNP304-RE.yaml b/module-types/Juniper/JNP304-RE.yaml
new file mode 100644
index 000000000..d699f2372
--- /dev/null
+++ b/module-types/Juniper/JNP304-RE.yaml
@@ -0,0 +1,13 @@
+---
+manufacturer: Juniper
+model: JNP304-RE
+part_number: JNP304-RE
+weight: 1
+weight_unit: kg
+console-ports:
+  - name: console_{module}
+    type: rj-45
+interfaces:
+  - name: mgmt_{module}
+    type: 1000base-t
+    mgmt_only: true