Japan Airlines had both 'Domestic' and 'International' DC-10's.  The 'Domestic' aircraft had the centre mainwheel leg disconnected and the aircraft were then operated like the DC-10-10 with a lower Max TOW, therefore qualifying for reduced landing charges.
Ken Fielding
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/kenfielding/8419739538/">Flickr</a>