The Bolo Mk XXXIII is described as being armed with 4 x 240cm howitzers and 10 40cm breechloading mortars, a heavy VLS missile system in addition to a large number of energy weapons. https://bolo.fandom.com/wiki/Bolo_Mark_XXXIII
In Bolo Strike, the Mk XXXIII is described as "120 meters long, 38 meters broad, and reaching 25 meters from ground to main deck, not counting the three squat and massive turret housings for the machine's incredible main armament" https://www.baen.com/Chapters/0671318357/0671318357.htm
The howitzers fire at a rate of 2 rounds/second with the breech loading mortars described as auto-loading as well.
How many howitzer and mortar rounds could a Bolo carry?
In addition the Bolo Mk XXXIII has a heavy VLS (Vertical Launching System) for missiles implying it carries ICBMS.
Now most contemporary ICBMS are smaller in diameter than the 240cm diameter howitzers carried by this Bolo MK XXXIII.
So what would be the on-board ammunition load for these consumable munitions?
It was stated that the energy weapons also used a minor amount of consumables as well, but they should be negligible compared to the shells and missiles.