04344nas|a2200397 a 4500 20260818214055.0 150401s2010 th uu m rtt 0| a1eng d .b12151312 AIT Thesis no.AE-10-01 Pawar, Bharat Devaba Simulation of Haulage performance of 2 WD agricultural tractors in Visual Basic Pathum Thani, Thailand : Asian Institute of Technology, 2010 78 leaves : ill. Thesis ; no. AE-10-01 A thesis submitted in partial fulfillment of the requirements for the degree of Master of Engineering in Agricultural Systems and Engineering, School of Environment, Resources and Development An investigation was carried out with a two wheel drive tractor (Kubota L 345 II DT and John Deere 2450) and a two wheel trailer to find out the effects of load, hitch point height, travel speed, rear wheel ballasting and inflation pressure on fuel consumption in cc/ton -km for haulage operations. A stretch of 700 meters (0.7 km) long tar macadam road was selected for the research study. Over all 11 experiments were carried out in four phases, in the first phase of the study, 5 experiments were carried out with first five selected variables using Kubota L345 II DT Tractor. The main obje ctive was to find out the effect of individual parameters on fuel consumption, keeping others constant. In the second phase another experiment was carried out to determine the combined effect of all the five selected parameters on fuel consumption using the same tractor. The third and fourth phases comprised of repetition of experiments as those of first and second phases respectively using the John Deere 2450 tractor. The fuel consumption and slip data obtained was analyzed statistically and ANOVA was co mputed using software sigma stat. A visual basic program in C was used to develop mathematical models. It was observed from the results that with the increase in load the fuel consumption decreased to a certain value and then increased again. The similar t rend was observed with inflation pressure, rear wheel ballasting and hitch point height for both the selected type of tractors. It was also observed that with the increase in travel speed there was a decrease in fuel consumption. John Deere 2450 tractor w as found to be relatively more fuel efficient as compared to Kubota L 345 II DT. The Sigma stat software was used to optimize the selected variables for best fuel economy. These optimum levels of the parameters for the Kubota L 345 II DT were, 4.0438 tones of load, 330 mm of hitch point height, 5.4 km/h of travel speed, 338.8 kg of ballasting and 2.12 kg/cm 2 of Inflation Pressure. The Optimum levels of the parameters for John Deere 2450 were 4 tones of load, 490 mm of hitch point height, 9.27 km/h of travel speed and 1.06 kg/cm 2 of Inflation Pressure. Thesis (M. Eng.) - Asian Institute of Technology, 2010 Tractors Performance Farm tractors Performance Soni, Peeyush, Chairperson Athapol Noomhorm, Examination Committee Roongruang Kalsirisilp, Examination committee Asian Institute of Technology Fellowship, Scholarship Donor Asian Institute of Technology. Thesis ; no. AE-10-01 Full-Text http://203.159.5.9/ait-thesis/detail.php?q=B01738 .b12151312 mnait z 240404 0 150401 m a z 0 000:001:PDF:b1215131:002084:0:0:0:0:0:0 Abstract--AIT Thesis no. AE-10-01 n mnait mnait 20 Barcode : 30050120576060 CREATED : 2015-01-04 RECORD # : i12844688 LPATRON : 0 LCHKIN : - # RENEWALS : 0 # OVERDUE : 0 IUSE3 : 0 TOT CHKOUT : 0 TOT RENEW : 0 Barcode : 30050120576052 CREATED : 2015-01-04 RECORD # : i1284469x LPATRON : 0 LCHKIN : - # RENEWALS : 0 # OVERDUE : 0 IUSE3 : 0 TOT CHKOUT : 0 TOT RENEW : 0 107152 107152 0 0 0 0 MAIN MAIN mnait 2026-08-18 50.00 0 AIT Thesis no.AE-10-01 30050120576060 2026-08-18 21:40:55 1 2026-08-18 20 0 0 0 0 MAIN MAIN mnait 2026-08-18 50.00 0 AIT Thesis no.AE-10-01 30050120576052 2026-08-18 21:40:55 2 2026-08-18 20