An Imperial Knight Paladin excels in engagements, where its Chainsword and Shock Lance will make short work of most targets. It is also armed with a Battlecannon for long range support.
The Leviathan is an office block-sized vehicle with an impressive array of weaponry, Void Shield protection, and huge transport capacity. Its main armament, the Doomsday Cannon, has enormous range and will destroy most enemies in a single volley.
Squat Warriors are good all-round troops with more staying power than the average human soldier. They come with missle launchers as standard, providing some long-range support.
The Trojan Support Vehicle is an armoured tractor capable of towing heavy guns into position.
Every Space Marine Dreadnought is a treasured relic, awoken during times of great need. These formidable units are used to provide heavy support to Marine formations, and are often best deployed via Drop Pod due to their slow movement speed.
The Warlord Titan is a massive war engine, capable of laying waste to entire formations. With a full complement of Void Shields and high damage capacity, destroying one can prove a tall order. However, they are very expensive, and including one in an army will mean sacrificing tactical flexibility.