Even though it is customarily used for booting GNU/Hurd systems, GRUB, specifically GRUB legacy (which is still in wide-spread use, despite that rather depricative nickname), has never been ported to be installable when attempted to be installed from GNU/Hurd systems:
# grub-install \(hd0\)
df: Warning: cannot read table of mounted filesystems
df: Warning: cannot read table of mounted filesystems
Could not find device for /boot: Not found or not a block device.
There is a patch, grub-install.patch, to fix that.
grub-install, however, still fails while invoking grub:
# grub-install \(hd0\)
The file /boot/grub/stage1 not read correctly.
# grub
[...]
grub> dump (hd0,0)/boot/grub/stage1 /tmp/grub_stage1
Error 18: Selected cylinder exceeds maximum supported by BIOS
The successor, GRUB2, also needs to be ported.