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[quote user="beaulieu"][quote user="futuremodal"] That's kind of the point I'm trying to make.  Europe has a long running experience with single axle bogies.  Because of this familiarity, the European railroads will probably be more accepting of new railcar designs that incorporate single axle concepts than the US railroads have. [/quote] And yet Dave, all recent orders that I have seen have been for 4-axle freight cars. Take a look at this Hbbillns, a quite new Aluminum bodied sliding-wall van (boxcar), look at the dismal load capacity, fine if you have a very light load, not very good for something heavier, like bagged cement. The load limit is in metric tonnes equivilent to about 1.1 US Short tons.(Maximales Ladegewicht) <A href="http://www.sbbcargo.com/en/hbbillns_d.pdf">SBB Cargo Hbbillns graphic</A> For comparison look at the equivilent 4-axle car a "Habbillns" note the extra lower case "a" in the designation. <A href="http://www.sbbcargo.com/en/habbilln_d.pdf">SBB Cargo Habbillns graphic</A> [/quote] John, It's a bit disingenuous to suggest that single axle bogies would be used in such an antiquated manner, and no one is suggesting that four wheel stand alone cars will be making a grand comeback anytime soon.  Rather, the use of single axle bogies could be seen in multiple platform articulated sets where the load bearing weight is spread over the length of such cars.  It is theorectically possible that a TTOX/Four Runner-type car could also make an appearance for hauling single containers, since the load limit combined with a desire for minimizing tare makes it a perfect fit in Europe.  There probably won't be a TTOX clone for hauling single lorries, since that would require raising clearances over at least the core of the European system, and that seems a long way off if ever. The point is, European railroads have a long running familiarity with single axle bogies, so if say a knock-off of the Southern 100 or the Four Runner makes an appearance, it'll probably have a longer stay than such car types had in the US.
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