Best Heavy 'Mechs in the 3025 Era

Heavies are the backbone of most BattleTech lances. They hit hard, they absorb damage, and at 60–75 tonnes they're mobile enough to keep up with battle line engagements. In the 3025 era, before Clan technology changed everything, these are the designs that define what a heavy 'Mech is supposed to be.

Marauder MAD-3R — 75 Tonnes

The Marauder is iconic for reasons that hold up in play. Two PPCs in armoured gauntlets give it long-range hitting power most heavies can't match. The autocannon and medium lasers provide backup across ranges. The unusual arm design means pilots have to think about firing arcs — the PPCs have restricted traverse compared to standard arm mounts — but mastering that is part of using the Marauder effectively. Runs warm firing everything simultaneously but has enough heat sinks to sustain moderate fire. A genuine threat at any range.

Warhammer WHM-6R — 70 Tonnes

Twin PPCs and a supporting weapons array. Where the Marauder has better sustained fire control, the Warhammer hits harder in a single turn. The SRM-6, medium lasers, and machine guns provide close-range backup when opponents close to avoid the PPCs. 18 heat sinks give it real freedom to use both PPCs simultaneously. Iconic for a reason — it's been a reliable, effective design for three centuries of in-universe warfare.

Thunderbolt TDR-5S — 65 Tonnes

The Thunderbolt is the heavy brawler's heavy brawler. Large laser, LRM-15, three medium lasers, SRM-2 — it has firepower across every range band and the armour to stand in the line and take hits. It runs warm but not unmanageably so if you're thoughtful about which weapons to fire when. The best in-box heavy for new players because it doesn't have any quirks — it just works.

Catapult CPLT-C1 — 65 Tonnes

The Catapult is the fire support specialist. Twin LRM-15s with sufficient ammunition for a sustained engagement, backed by medium lasers for close-range defence. The point of the Catapult is to sit at range, maintain lines of fire, and add consistent missile damage to engagements while your brawlers close. It's not effective in close terrain. It needs protection. Used correctly, it's a force multiplier — used incorrectly, it's an expensive target.

Dragon DRG-1N — 60 Tonnes

The Dragon is the DCMS's workhorse heavy: an autocannon, long-range missile rack, medium laser, and enough speed to keep pace with aggressive lance movements. It doesn't excel in any single area but handles everything competently. The 64 kph top speed is good for a 60-tonner and makes it more mobile than most comparable heavies. If you're building a Combine force, this is where your heavy slot usually lives.

Orion ON1-K — 75 Tonnes

The Orion is the all-purpose heavy — autocannon, LRMs, medium lasers, SRM-4. It's the heavy version of the design philosophy the mediums in the starter box embody: effective across ranges without committing to any single approach. The balanced loadout means it's comfortable in most scenarios without being dominant in any. A solid choice for any faction that can field it.

Building with Heavies

One brawler (Thunderbolt, Warhammer) and one fire support heavy (Catapult, Marauder) in the same lance creates a complementary pair — the brawler closes distance and forces engagement while the fire support heavy contributes from range. Your mediums provide the mobility and flexibility to exploit the pressure this creates.

All-heavy lances are tempting but usually underperform. Four assault and heavy 'Mechs struggle to manoeuvre together, block each other's lines of fire, and can be flanked by fast lights without effective response. Speed matters in every lance, even if your primary 'Mechs are heavy.