See Details: GS-2668 RT (from serial number 101 to 41199)-->300 Engine Components GS-2668 RT (from serial number 41200)-->300 Engine Components GS-2668 RT (from serial number 41200)-->300 Engine Components GS-2669 RT (from serial number GS6911-101 to GS6916-7896, from GS6916F-7897 to GS6916F-10499)-->300 Engine Components GS-2669 RT (from SN GS69F-10500)-->300 Engine Components GS-3268 RT (from serial number 101 to 41199)-->300 Engine Components GS-3268 RT (from serial number 41200)-->300 Engine Components GS-3268 RT (from serial number 41200)-->300 Engine Components GS-3369 RT (from serial number GS6911-101 to GS6916-7896, from GS6916F-7897 to GS6916F-10499)-->300 Engine Components GS-3369 RT (from SN GS69F-10500)-->300 Engine Components GS-4069 RT (from serial number GS6911-101 to GS6916-7896, from GS6916F-7897 to GS6916F-10499)-->300 Engine Components GS-4069 RT (from SN GS69F-10500)-->300 Engine Components Z-34/22 IC (from serial number 0001 to 0780)-->400 Power Plants Z-34/22 IC (from serial number 0781 to 9606)-->400 Engine Components Z-34/22 IC (from serial number 0781 to 9606)-->400 Engine Components Z-34/22 IC (from serial number Z3413-9607 to Z3415-10688 and from Z3416F-10689 to Z3416F-11999)-->400 Engine Components Z-34/22 IC (from serial number Z3415D-101 to Z3416D-279, from Z34D-280)-->400 Engine Components Z-34/22 IC (from Z34F-12000)-->400 Engine Components Z-45/22 MP (from serial number 641 to 9999)-->300 Power Options Z-60/37 DC/FE Hybrid (from SN Z6016N-101 to Z6016N-599)-->400 Engine Components Z-60/37 DC/FE Hybrid (from SN Z60H-701)-->400 Engine Components Z-60/37 DC/FE Hybrid (from SN Z60N-600 to Z60N-700)-->400 Engine Components