Default ports are now declared in the ConnectorManager.

lib/dialects/mysql/connector-manager.js

@@ -12,6 +12,7 @@ module.exports = (function() {
     this.sequelize = sequelize
     this.client = null
     this.config = config || {}
+    this.config.port = this.config.port || 3306
     this.disconnectTimeoutId = null
     this.queue = []
     this.activeQueue = []

lib/dialects/postgres/connector-manager.js

@@ -6,6 +6,7 @@ module.exports = (function() {
     this.sequelize = sequelize
     this.client       = null
     this.config       = config || {}
+    this.config.port  = this.config.port || 5432
     this.pooling      = (!!this.config.poolCfg && (this.config.poolCfg.maxConnections > 0))
     this.pg           = this.config.native ? require('pg').native : require('pg')
 

lib/sequelize.js

@@ -69,7 +69,6 @@ module.exports = (function() {
     this.options = Utils._.extend({
       dialect: 'mysql',
       host: 'localhost',
-      port: 3306,
       protocol: 'tcp',
       define: {},
       query: {},