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All Journal OPERATION EXCELLENCE: Journal of Applied Industrial Engineering Jurnal Teknik Industri : Jurnal Hasil Penelitian dan Karya Ilmiah dalam Bidang Teknik Industri Industri Inovatif : Jurnal Teknik Industri Jurnal Teknik Industri Terintegrasi (JUTIN) Indonesian Journal of Industrial Engineering & Management JURNAL TEKNIK INDUSTRI Factory Jurnal Industri, Manajemen dan Rekayasa Sistem Industri Indonesian Journal of Maritime Technology or abbreviated (ISMATECH)
Wahyuda, Wahyuda
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Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Mechanical Engineering Transportation

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Journal : Jurnal Teknik Industri Terintegrasi (JUTIN)

 1 
Analisis Pengendalian Persediaan Suku Cadang Menggunakan Metode Economic Order Quantity dan Silver Meal Bara, Yogi Zefanya Batu; Wahyuda, Wahyuda; Sitania, Farida Djumiati
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 8 No. 4 (2025): October
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v8i4.50521

Abstract

Spare parts inventory is a crucial component in supporting the smooth operation of mining service companies, one of which is PT. XYZ. The company faces excess inventory of workshop support spare parts, particularly oil filters (21707133, 21707132) and fuel filter (22480372). Data processing begins with a variability test, followed by forecasting, and then inventory calculations using the Economic Order Quantity (EOQ) and Silver Meal (SM) methods. The variability test results indicate that oil filters are static (V<0.25), while fuel filters are dynamic (V≥0.25). Forecasting is conducted using a moving average, with MAPE values of 14%, 13%, and 12% respectively. The results show that the total inventory cost amounted to Rp398,085 or 39% lower than the company’s current policy. The optimal order quantity for fuel filter 22480372 from periods 1 to 12 in succession is 20, 21, 20, 18, 18, 19, 18, 18, 20, 20, 19, and 19. 
Co-Authors Andi Trimulyono Arifuddin, Andi Mursid Nugraha Awali , Jatmoko Bara, Yogi Zefanya Batu Dutho Suh Utomo Febrianice, Febrianice Gunawan, Suwardi Kurniawati, Diniar Mungil Kusuma, Andhi Indira Lumenta, Karine Nathania Mahendra, Rahul Ihza Marie, Iveline Anne Marie Mentaruk, Ayup Mubarog, Resky Muhammad Wahyudi Nurlita, Nabila Putrianti, Elsa Eka Rahmat Hidayat Rohimsyah, Fikan Mubarok Saadiyah, Devy Setiorini Samsu Dlukha N Sitania, Farida Djumiati Surjasa, Dadang Surjasa Taufik Hidayat Yudi Sukmono, Yudi