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All Journal Rekayasa Mesin Jurnal Teknologi dan Rekayasa Alat Berat (JTRAB)
Anggi Febrianto
Master of Mechanical Engineering, Swiss German University, Indonesia United Tractors Site Tanjung, Kalimantan Selatan, Indonesia
Automotive Engineering Control & Systems Engineering Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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PENINGKATAN KETERSEDIAAN FISIK DAN WAKTU RATA-RATA ANTARA KEGAGALAN UNIT KOMATSU PC2000-8 PADA PT. UNITED TRACTORS, TBK DENGAN METODE FMEA Rustanto Rustanto; Aditya Tirta Pratama; Anggi Febrianto; Firdaus Agung Syafutra; Willian Septianugraha; Badai Merdeka Walfitri
Jurnal Rekayasa Mesin Vol. 14 No. 2 (2023)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v14i2.1053

Abstract

The era of heavy equipment industry in Indonesia was begun   in the mid-1990s, by the first heavy equipment company, PT. United Tractors Tbk. This company have started heavy equipment sales and rental throughout Indonesia, which the well-known heavy equipment is the Hydraulic Excavator. It is used to excavate, rotate, move, load, mobilize and demobilize objects. Since the excavator was always used in the site’s daily operation, the number of failures is high, then the rate of excavator’s physical availability is below the requirement standard. The purpose of this study is to analyze the physical availability of the Komatsu Excavator Komatsu PC2000-8 by reducing the failure on the Boom Attachment by using the FMEA method. In order to obtain the optimum design and conditions as heavy machine, the analytical study was utilized for increasing physical availability on Hydraulic Excavators. According to the estimation of the analytical study, it was found that the highest physical availability of the PC2000-8 Hydraulic Excavator was at 98.4%, with the MTBF (Mean Time Before Failure) was at 269 hours.
Alignment Model of Expectations with Actual Lifetime of Mainpump Components on Heavy Equipment Febrianto, Anggi; Suef, Mokh; Saiful Hakim, Muhammad
Jurnal Teknologi dan Rekayasa Alat Berat Vol 2 No 2 (2025): JTRAB Volume 2, No 2, 2025
Publisher : Department of Mechanical Engineering, Vocational College, Gadjah Mada University.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jtrab.v2i2.17694

Abstract

This research focuses on the importance of optimal machine performance in various industrial sectors, emphasising the reliability of each component as a crucial factor in maintaining productivity and operational efficiency. In this context, specific research was conducted to analyse the difference between the expected life of components and the actual life achieved in the field. There is a significant knowledge gap associated with the mismatch between expected and actual component life, potentially leading to unexpected increases in operating costs and decreases in efficiency. This study used survey methodology and linear regression analysis to evaluate the relationship between the expected and actual age of mainpump components on Komatsu PC200 units. The main results showed that the actual life of the components tended to be lower than the expected life, with an average gap of 3,257 hours, indicating the need for adjustments to maintenance and replacement strategies. The analysis also revealed that factors such as severe operational conditions and suboptimal maintenance methods contributed to this mismatch. The implications of this study point to the importance of implementing a more adaptive and data-driven maintenance strategy to improve operational efficiency and minimise unexpected downtime.
Co-Authors Aditya Tirta Pratama Badai Merdeka Walfitri Firdaus Agung Syafutra Mokh. Suef Rustanto Rustanto Saiful Hakim, Muhammad Willian Septianugraha