https://www.huparts.com/media/catalog/product/cache/ce4c208ba1c53f60f391655e732c1f82/f/o/for-komatsu-wheel-loader-wa30-5-wa40-3-wa50-3-yanmar-engine-3tnv84-komatsu-engine-3d84-main-bearing-4-pairs-1-set.jpg