it's pointless as it stands now.
It's not pointless at all. I've used it several times.
For example, before the heavy tank nerf, I was using heavy tanks and HTDs and HSPART as the Soviets. I had a production line of a specifically 1934 model HTD with a speed of 4 kph that started production in 1938 and kept going forever (with only very small changes when I got a new heavy tank gun researched). That model supplied guards foot infantry divisions.
I also had a (much smaller) production line of HTDs for use in panzer divisions. It had a speed of 8 kph, advanced chasssis, and fancy modules. The 4 kph tanks were designated with the turtle icon and only went to foot infantry divisions as they were useless for panzer divisions. The others only went to panzer divisions and I didn't want them being expended in foot infantry divisions at all, even if I had extra.
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