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All Journal Jurnal Nagara Bhakti: Jurnal Pengabdian Kepada Masyarakat Jurnal Mekanikasista
Muhammad Zainuddin
Akademi Militer
Humanities Automotive Engineering Control & Systems Engineering Economics, Econometrics & Finance Education Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Mechanical Engineering Public Health Social Sciences Transportation Other

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Penyuluhan Dan Servis Sepeda Motor Gratis Di Desa Kenalan Kec. Borobudur, Kabupaten Magelang Aryananta Lufti; Budi Harijanto; Sukahar; Muhammad Zainuddin
JURNAL NAGARA BHAKTI Vol. 4 No. 2 (2026): FEBRUARI 2026
Publisher : PPM Sdirjianbang Akademi Militer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63824/nb.v4i2.446

Abstract

This community service activity conducted by the Defense Mechanical Engineering Study Program of the Military Academy aimed to improve public awareness of motorcycle maintenance and to provide free motorcycle service to the community. The activity was implemented through two main components, namely motorcycle maintenance counseling and periodic motorcycle servicing. The implementation ran smoothly and systematically in accordance with the planned schedule, supported by the readiness of the implementation team and adequate technical equipment. The results indicated that the target was successfully achieved, with a total of 70 motorcycles receiving free service. Furthermore, the level of community enthusiasm was very high, as reflected in the strong participation of residents, active involvement during the counseling sessions, and utilization of vehicle maintenance consultations. This activity provided direct benefits to the community by ensuring safer and more reliable motorcycle conditions, while also strengthening the role of higher education institutions in fulfilling the Tri Dharma of Higher Education, particularly in community service.
ANALISIS KINERJA MESIN DIESEL DENGAN DAN TANPA TURBOCHARGER PADA KENDARAAN ISUZU PANTHER Sukahar; Aryananta Lufti; Muhammad Zainuddin
JURNAL MEKANIKASISTA Vol. 13 No. 2 (2026): MEI 2026
Publisher : PPM Sdirjianbang Akademi Militer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63824/jtmp.v13i2.522

Abstract

Penelitian ini bertujuan untuk menganalisis pengaruh penggunaan turbocharger terhadap peningkatan daya dan torsi pada mesin diesel 4JA-1. Penelitian dilakukan dengan metode eksperimen melalui pengujian performa mesin dalam dua kondisi, yaitu mesin diesel tanpa turbocharger dan mesin diesel menggunakan turbocharger. Pengambilan data dilakukan dengan membandingkan nilai daya, torsi, dan kecepatan kendaraan pada masing-masing kondisi pengujian. Hasil penelitian menunjukkan bahwa penggunaan turbocharger mampu meningkatkan performa mesin secara signifikan. Pada mesin diesel dengan turbocharger diperoleh daya maksimum sebesar 76 Hp pada kecepatan 110 km/jam, sedangkan mesin tanpa turbocharger hanya menghasilkan 62 Hp. Nilai torsi tertinggi pada mesin diesel turbo mencapai 375 Nm pada kecepatan 60 km/jam, sedangkan mesin tanpa turbo hanya mencapai 310 Nm. Peningkatan tersebut terjadi karena turbocharger mampu meningkatkan suplai udara ke ruang bakar sehingga proses pembakaran menjadi lebih sempurna dan efisien. Berdasarkan hasil penelitian dapat disimpulkan bahwa penggunaan turbocharger berpengaruh positif terhadap peningkatan daya dan torsi mesin diesel tanpa perlu melakukan perubahan besar pada komponen utama mesin.
Co-Authors Aryananta Lufti Aryananta Lufti Budi Harijanto Sukahar Sukahar