https://www.cyclica.com/en/p/engines/austres/caterpillar-735-735b-735c-740-740b-r2900-r2900g-r3000h-980g-980h-986h-986k-988g-988h-365c-374-374d-374e-374f-825cc-825g-825k-826c-826g-826h-826k-8-2410478u