Advanced Failure Analysis of Hydraulic Systems in Volvo Articulated Haulers at Coal Mining Sites: Investigating Steering Cylinder Seal Failure and Brake Accumulator Degradation. J. Innov. Technol. [Internet]. 2026 Apr. 30 [cited 2026 Jun. 24];7(1):35-9. Available from: https://ojs.umrah.ac.id/index.php/jit/article/view/8381