African Journal of
Agricultural Research

  • Abbreviation: Afr. J. Agric. Res.
  • Language: English
  • ISSN: 1991-637X
  • DOI: 10.5897/AJAR
  • Start Year: 2006
  • Published Articles: 6863

Full Length Research Paper

Determining replacement age of agricultural tractor (JD3140) in Varamin Region (case study)

H. Ahmadi Chenarbon
  • H. Ahmadi Chenarbon
  • Department of Agriculture, Varamin Pishva Branch, Islamic Azad University, Varamin Pishva, Iran.
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A. Afsar
  • A. Afsar
  • Department of Agriculture, Varamin Pishva Branch, Islamic Azad University, Varamin Pishva, Iran.
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M. R. Ebrahimzadeh
  • M. R. Ebrahimzadeh
  • Department of Agriculture, Shahr-e- Rey Branch, Islamic Azad University , Shahr-e- Rey, Iran.
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  •  Received: 15 May 2011
  •  Accepted: 11 June 2014
  •  Published: 27 June 2014

Abstract

One of the main aims in the management of farm equipment and tractors is to decide their replacement, based on technical and economic conditions. The objective of this research was to determine the economic life time for John Deer3140, common in the Varamin Region of Iran. First the annual depreciation and interest were calculated considering the initial purchase price of tractor, and then the economic life was calculated based on repair and maintenance costs. Based on the results, the most suitable replacement age was obtained, which was eight years for John Deer 3140.

 

Key words: Economic life, replacement age, JD3140, Varamin Region.

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This article is published under the terms of the Creative Commons Attribution License 4.0

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