Journal of Food, Agriculture and Environment

Vol 11, Issue 3&4,2013
Online ISSN: 1459-0263
Print ISSN: 1459-0255

Analysis of load and fuel efficiency of agricultural tractor by gear selection during plow tillage


Seung Je Park 1, Yong Joo Kim 2*, Dae Hyun Lee 2

Recieved Date: 2013-06-10, Accepted Date: 2013-08-28


This study was conducted to recommend a guideline of optimum gear setting for enhancing tractor performance. The purpose of this study was to measure and analyze driving axle load and fuel consumption of a 71 kW agricultural tractor during plow tillage under different gear settings (L2, L3 and L4). The total four torque of front and rear driving axles and fuel consumption were measured and analyzed in terms of gear settings considering working hours and tillage depth during plow tillage. One-way ANOVA with Duncan’s multiple range test were used to analyze the driving axles torque, fuel consumption, working hours, and tillage depth with gear settings using the SAS (version 9.1, SAS Institute, USA). The results showed that when the gear was raised from L2 to L3 and from L2 to L4, the average torque on the axle increased by 28% and 71%, respectively. However, the fuel consumption decreased by 13% and 22%, respectively. Also, the working hours was reduced by 28.6 s (33%) when the gear set changed from L2 to L3, and 40.9 s (48%) from the changes of L2 to L4. The tillage depth of gears L2, L3, and L4 were 196, 192 and 161 mm, respectively, especially, the gear L4 showed the difference of 39 mm (20%) with goal dept of 200 mm. It is known that the fuel efficiency was high with higher gear set because higher gear set reduced working hours. However, excessive higher speeds caused decreasing tillage quality such as uniform tillage depth. Thus, appropriate gear selection considering not only field performance but also tillage quality is needed at the plow tillage.


Agricultural tractor, field performance, plow tillage, gear selection, driving axle torque, fuel consumption, tillage depth

Journal: Journal of Food, Agriculture and Environment
Year: 2013
Volume: 11
Issue: 3&4
Category: Agriculture
Pages: 631-635

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