Engine spare parts requested Russia

In 2023 we are planning to make warehouse for spare parts to make not only service but also for trading. First and most important – spare parts for engines. Here is the list of engines that we are working with: Caterpillar machines D8, D9, 735, 740, 587, 320, 336, 345 Following engines: 3406, 3406E, 3406C, 3408, 3408E, 3408C, C6.4, C7.1, C9, C13, C15 Komatsu: SAA6D125E-3 SA6D125E-2 SA6D140E-2 SDA6D140E-2 S6D155-4 SA6D155-4 SA6D170E-2 SA6D170E-5 SAA6D114E-3 SDA6D125E-2 SAA6D102E-2 I am kindly ask you which spare parts for engine models said above you can offer us.