Here is the full list of all 38 Gearshifters achievements.
Purchase all upgrades.
Deliver 10 different cargoes.
Defeat all factions.
Purchase 10 charge abilities.
Game completed (Any mode).
Destroy the Emissary.
Complete a Citadel stage.
Unlock all driving skills.
Destroy the Suncopter.
Destroy the Spearhunter.
Complete a Northern Expanse stage.
Survive any stage without taking damage.
Destroy the Marauder.
Purchase 10 weapons.
Unlock 5 liveries.
Complete a Sentry Ranges stage.
Destroy 50 enemy vehicles with melee attacks.
Complete a Dark Haven stage.
Destroy the Thunderer.
Complete an Ochre Wastes stage.
Destroy the Sawdozer.
Acquire 20,000 currency.
Destroy the Wrecker.
Destroy an enemy with a Reverse attack.
Complete a Shadow Quarter stage.
Destroy the Juggernaut.
Destroy an enemy with a Powerslide attack.
Complete a South Uplands stage.
Defeat a faction.
Destroy an Elite vehicle.
Complete a Frontier Province stage.
Equip a secondary weapon.
Equip your car with an upgrade.
Destroy the Combustor.
Complete a Primary Sector stage.
All other trophies unlocked.
Use 15 different boosts.
Destroy all Elite vehicles.