I've been playing about on SISI working on a Hulk Setup for tanking sleepers while mining.
While I don't have a working setup that I'm happy with the following appears to work for at least some time against some sleepers:
EHP: 12,316
EM: 73.2
Therm: 78.6
Kin: 80.6
Exp: 81.9
Cap: Stable at 49%
[Hulk, Hulk (Sleepers) ]
Capacitor Power Relay II
Capacitor Power Relay II
Pithi A-Type Small Shield Booster
Cap Recharger II
Invulnerability Field II
Invulnerability Field II
Modulated Strip Miner II, Veldspar Mining Crystal II
Modulated Strip Miner II, Veldspar Mining Crystal II
Modulated Strip Miner II, Veldspar Mining Crystal II
Anti-Thermal Screen Reinforcer I
Anti-EM Screen Reinforcer I