02836cas a2200397 a 4500 20260819084900.0 110902s1980 th uu|m rtt 0| a1eng d .b10736189 AIT Thesis no.AE-80-21 Aggarwal, Sudama Tractive performance of a two wheel drive tractor in wet soils Bangkok : Asian Institute of Technology, 1980 67 p. Thesis ; no. AE-80-21 A thesis submitted in partial fulfillment of the requirements for the degree of Master of Engineering, School of Environment, Resources and Development Thesis (M.Eng.) - Asian Institute of Technology, 1980 The effect of soil moisture on the tractive performance of a large tractor had been found by measuring draft of the disk plow in various moisture levels using a dynamometer. The power pull curves have been drawn in three different gears and five moisture levels. It has been found that in the flooded soils the loss of power in an average is sixty two percent of the maximum power achieved in moist soils. Due to improper ballasting the maximum power delivered in the higher gear (5th) was found to be up to 82 percent in an average higher than the power delivered in the lower gear (3rd). The unsuitability of the large four wheel (two wheel drive) tractor fitted with pneumatic tires, for wet land in its present from is established. It has been found that only soil cone index is not the true parameter for soil strength in modelling tractive performance. The cohesion values were found to relate tractive performance in a better way. The need of modelling tractive performance in wet land is established. The accuracy of the empirical equations developed earlier for moist and dry soils by Gee-Clough et, al has been tested Trafficability Tractors Performance Gee-Clough, D., Chairperson Konaka, Toshio, Examination Committee Singh, Gajendra, Examination Committee Royal Belgium Government, Scholarship Donor Asian Institute of Technology. Thesis ; no. AE-80-21 Full-Text http://203.159.5.9/ait-thesis/detail.php?q=B21917 .b10736189 mnait x 250317 2 951012 m a x 0 mnait mnarc 22 40 Barcode : 30050120584650 CREATED : 2013-08-07 RECORD # : i12735875 LPATRON : 0 LCHKIN : - # RENEWALS : 0 # OVERDUE : 0 IUSE3 : 0 TOT CHKOUT : 0 TOT RENEW : 0 Barcode : 30050120302301 CREATED : 2016-05-26 RECORD # : i12993633 LPATRON : 0 LCHKIN : - # RENEWALS : 0 # OVERDUE : 0 IUSE3 : 0 TOT CHKOUT : 0 TOT RENEW : 0 121849 121849 0 0 0 0 MAIN MAIN mnait 2026-08-19 50.00 0 AIT Thesis no.AE-80-21 30050120584650 2026-08-19 08:49:00 3 2026-08-19 22 0 0 0 0 MAIN MAIN mnarc 2026-08-19 0 AIT Thesis no.AE-80-21 30050120302301 2026-08-19 08:49:00 2026-08-19 40