Ventrac produced its 4131 39.51120 industrial tractor model From 2003 Until 2012 in United states with a Two-post fixed ROPS cabin. Talking dimensions and weight, this model weighs 1290 lbs or 585 kg has 48 inches [121 cm] of width, 79 inches [200 cm] of length and 67 inches [170 cm] of height while maintaining a wheelbase of 43 inches [109 cm]. This tractor can fit ag tires of 21x11-8 front and 21x11-8 back or lawn tires of 22x11-10 front and 22x11-10 back . This Ventrac 4131 39.51120 is powerd by a gasoline engine it has 54.68 ci or 0.9 L 2 cylinders ,it can produce 31 hp or 23.1 kW at 3600 (rpm), the fuel tank capacity is 7.25 gal or 27.4 L. This machine has 4x4 articulated 4WD wheel drive system,infinite (2-range) forward and reverse Sauer Danfoss 15 transmission system.