new file mode 100644
--- /dev/null
+++ b/hggit/_ssh.py
@@ -0,0 +1,25 @@
+class SSHVendor(object):
+    """Parent class for ui-linked Vendor classes."""
+
+
+def generate_ssh_vendor(ui):
+    """
+    Allows dulwich to use hg's ui.ssh config. The dulwich.client.get_ssh_vendor
+    property should point to the return value.
+    """
+
+    class _Vendor(SSHVendor):
+        def connect_ssh(self, host, command, username=None, port=None):
+            from dulwich.client import SubprocessWrapper
+            from mercurial import util
+            import subprocess
+
+            sshcmd = ui.config("ui", "ssh", "ssh")
+            args = util.sshargs(sshcmd, host, username, port)
+
+            proc = subprocess.Popen([sshcmd, args] + command,
+                                    stdin=subprocess.PIPE,
+                                    stdout=subprocess.PIPE)
+            return SubprocessWrapper(proc)
+
+    return _Vendor

--- a/hggit/git_handler.py
+++ b/hggit/git_handler.py
@@ -13,6 +13,7 @@
 from mercurial import context, util as hgutil
 from mercurial import error
 
+import _ssh
 import util
 
 class GitHandler(object):
@@ -68,7 +69,6 @@
             file.write("%s %s\n" % (gitsha, hgsha))
         file.rename()
 
-
     def load_tags(self):
         self.tags = {}
         if os.path.exists(self.repo.join(self.tagsfile)):
@@ -890,6 +890,10 @@
             return string.decode('ascii', 'replace').encode('utf-8')
 
     def get_transport_and_path(self, uri):
+        # pass hg's ui.ssh config to dulwich
+        if not issubclass(client.get_ssh_vendor, _ssh.SSHVendor):
+            client.get_ssh_vendor = _ssh.generate_ssh_vendor(self.ui)
+
         for handler, transport in (("git://", client.TCPGitClient),
                                    ("git@", client.SSHGitClient),
                                    ("git+ssh://", client.SSHGitClient)):