I've been wondering this for a while.

no. EOD is the equivalent of a OSS for the rebel side and like OSS it isn't the definitive counter to everything. Snipers are good anti-EOD and OSS, Shotgun+Shield also are good in CQC against them - they may die but in return they get a good chunk of their health out
EOD is meant to be a Tank unit

EOD is a beef cake so it can sponge more damage from e v e r y t h i n g and has a powerful gun with 150 rounds so

So personally I qualify EOD and OSS as "Superheavy infantry."
Thus, yeah, they are pretty much supposed to counter most other forms of infantry by default, however, as with most anything that just has a ton of HP and a big gun, many weaker units can usually defeat one, especially as the Superheavies themselves have a slower movement speed.

Personally I have soloed OSSs as a Scav because my movement speed means I can easily get behind them and pump 45 bullets into their massive head hitbox. I have seen 3 RUs kill a OSS in CQC, and an OSS achieve the opposite. While I wouldn't have a chance against an OSS in a straight up 1v1 fight on open field, no map DEFN has ever used was just flat. Use the terrain and play to your classes' strengths, and an OSS or EOD can be defeated by only a few units.
1. Hear a M60/OSS Gun
2. Hide in a dark corner
3. Wait for EOD/OSS to pass by
4. ???
5. Profit.

Yo know what Superheavies don't directly counter; Vehicles. Get a tech to deploy a T90 or BH, or even a Jeep if they're really good, and the OSS won't survive.
The same works with OVA and Kodiaks, HCs, VTOLs, Striders, and occasionally Rollermines.

If you want to just murder everything, tack on one of them SWORD/LVet Fighter, or Tech/OVA, or RU/RIOT, and slowly walk towards the enemy.

"Hmmmm a class with more HP and AP with a good gun does better than a normal unit"

I haven't tried it on an EOD yet, but, as an LVET Sniper, I usually have to unload 10-15 rounds(there's 20 round per clip) to kill an OSS.

Yeah dude eod needs a nerf. I hate being outsniped by them when they pull out their awp shield. And their ability to use echolocation to find maces is so unfair. Why does only eod have grenades I will never know

They don't have grenades. And I'm pretty sure, like any other class that has a shield, you can only have your shield out with your LMG and shotgun. Also, you should probably get an admin if their using "echolocation".

that was a joke ah yes

i mean eod/oss are kinda suppost to counter everything but that doesnt need they need a nerf, they are balanced.