Tractors and their power units
by John B. Liljedahl [and others]
John Wiley & Sons, 1979
 Buku Teks
Jones, Fred R. (Fred Rufus), 1893-
Farm gas engines and tractors
McGraw-Hill, 1963
 Buku Teks
Wisnu Buntoro
Optimalisasi Strategi Maintenance Pada Unit HD785-7 Studi kasus: Project Full Maintenance Contract PT. United Tractors Site PAMA Batu Kajang, Kalimantan Timur = Optimalization Strategy of Maintenance For HD785-7 Study of case: Project Full Maintenance Contract PT. United Tractors Site PAMA Batu Kajang, East Kalimantan
Fakultas Teknik Universitas Indonesia, 2023
 UI - Tugas Akhir
Aloysius Eko Hascaryanto
Peluang pasar produk traktor tangan pada kawasan Pengembangan Lahan Gambut (PLG) di Kalimantan Tengah
1998
 UI - Tesis Membership
Situmorang, Sandhy Putra Sanjaya
Pemilihan Metode Konstruksi Pemasangan Rangka Atap Stasiun Halim pada Proyek Kereta Cepat Jakarta-Bandung (KCJB) = Selection of Roof Truss Installation Construction Method in High-Speed Rail Jakarta Bandung Project
Fakultas Teknik Universitas Indonesia, 2023
 UI - Tugas Akhir