diff --git a/device-types/Juniper/MX104-BASE.yaml b/device-types/Juniper/MX104-BASE.yaml
new file mode 100644
index 00000000..0688445d
--- /dev/null
+++ b/device-types/Juniper/MX104-BASE.yaml
@@ -0,0 +1,27 @@
+manufacturer: Juniper
+model: MX104-BASE
+slug: mx104-base
+is_full_depth: false
+u_height: 4
+interfaces:
+  - name: fxp0
+    type: 1000base-t
+    mgmt_only: true
+  - name: xe-2/0/0
+    type: 10gbase-x-sfpp
+  - name: xe-2/0/1
+    type: 10gbase-x-sfpp
+  - name: xe-2/0/2
+    type: 10gbase-x-sfpp
+  - name: xe-2/0/3
+    type: 10gbase-x-sfpp
+power-ports:
+  - name: PEM0
+    type: iec-60320-c16
+    maximum_draw: 800
+  - name: PEM1
+    type: iec-60320-c16
+    maximum_draw: 800
+console-ports:
+  - name: Console
+    type: rj-45
diff --git a/device-types/Juniper/MX104-PREMIUM.yaml b/device-types/Juniper/MX104-PREMIUM.yaml
new file mode 100644
index 00000000..2fc062fc
--- /dev/null
+++ b/device-types/Juniper/MX104-PREMIUM.yaml
@@ -0,0 +1,32 @@
+manufacturer: Juniper
+model: MX104-PREMIUM
+slug: mx104-premium
+is_full_depth: false
+u_height: 4
+interfaces:
+  - name: fxp0 (re0)
+    type: 1000base-t
+    mgmt_only: true
+  - name: fxp0 (re1)
+    type: 1000base-t
+    mgmt_only: true
+  - name: xe-2/0/0
+    type: 10gbase-x-sfpp
+  - name: xe-2/0/1
+    type: 10gbase-x-sfpp
+  - name: xe-2/0/2
+    type: 10gbase-x-sfpp
+  - name: xe-2/0/3
+    type: 10gbase-x-sfpp
+power-ports:
+  - name: PEM0
+    type: iec-60320-c16
+    maximum_draw: 800
+  - name: PEM1
+    type: iec-60320-c16
+    maximum_draw: 800
+console-ports:
+  - name: Console (re0)
+    type: rj-45
+  - name: Console (re1)
+    type: rj-45