| 摘要 |
<p>PROBLEM TO BE SOLVED: To arrange a urea water tank in a tractor, in which a urea selective catalytic reduction (SCR) system is mounted, without significantly changing the layout of a conventional tractor, and to prevent freezing of urea water.SOLUTION: A diesel engine E and a urea selective catalytic reduction (SCR) system are mounted in a tractor. The tractor has a structure where a urea water tank 84 for storing urea water is provided in a roof 83 forming a cabin 82. Further, the urea water tank 84 is provided at the upper side of the roof 83, and a solar cell panel 85 is provided on the urea water tank 84. A heater 86 is provided below the urea water tank 84. A storage battery 87 is provided so as to connect with a rear part of the urea water tank 84.</p> |
