[Mobhack]

Israel in that time frame was very tank-heavy, bar the leg units in the defence of the canal zone etc. They also went artillery light as well, or reserved the guns for counter-battery fires - I recall seeing some quote that 75% of fire missions were C/B.

So a bn of
HQ
FO unit
1 or 2 SP mortar platoons (No core off-map arty)
1 or 2 SP AA elements
1 or 2 Mech recce or AT sections
3 tank coy
1 mech coy

Would be about right for the era

(If you did buy off map then make it long range type such as 175mm and voluntarily leave it idle to smack enemy off map arty)