diff --git a/spec/Powertrain/Transmission.vspec b/spec/Powertrain/Transmission.vspec
index d9bd1fc85..fa637984d 100644
--- a/spec/Powertrain/Transmission.vspec
+++ b/spec/Powertrain/Transmission.vspec
@@ -50,6 +50,20 @@ TravelledDistance:
   unit: km
   description: Odometer reading, total distance travelled during the lifetime of the transmission.
 
+#
+# Actual Gear
+#
+
+ActualGear:
+  type: sensor
+  datatype: int8
+  description: Actual transmission gear currently engaged. 0 = neutral, 1-15 = gear number.
+
+ActualGearRatio:
+  type: sensor
+  datatype: float
+  description: Actual transmission gear ratio.
+
 #
 # Current gear
 #