2314747200 = ge_s_thruster_03, Heavy Thruster  
2314753344 = ge_s_thruster_01, Standard Thruster
2328926920 = order_thruster, Order Thruster
2347615178 = no_thruster, Nomad Thruster
2585100745 = mars_flier_thruster, Marsflyer Thruster (Discovery)
2775046401 = dsy_capital_thruster, Capital Ship Thruster (Discovery)
2851612992 = ge_s_thruster_02, Deluxe Thruster
2851656000 = ge_s_thruster_04, Advanced Thruster