Aristotika, A., Winarto, W., Ismadi, S., Siradj, E. and Anis, M. 2025. The Remanufacturing of Track Rollers Requires The Application of A Hardfacing Technique, Which is Achieved by Combining Buttering with 309LMo Gas Metal Arc Welding (GMAW) and The TiC-O Flux-core Arc Welding (FCAW) Process. Recent in Engineering Science and Technology. 3, 3 (Jul. 2025), 40–53. DOI:https://doi.org/10.59511/riestech.v3i3.117.