A system for irrigating an agricultural field, comprising: a high-clearance vehicle (100; 100'; 100"; 200; 200'; 200"; 300; 400), the high-clearance vehicle comprising: a first wheel support structure carrying a first wheel; a second wheel support structure carrying a second wheel; at least one axle connected at a first end to the first wheel support structure and at a second end to the second wheel support structure, wherein the at least one axle is configured to define an adjustable track width between the first wheel and the second wheel; a chassis supported by the at least one axle; an operator cab carried by the chassis; a liquid tank carried by the chassis; at least one boom carried by the chassis, the at least one boom comprising a plurality of nozzles in fluid communication with the liquid tank; a prime mover carried by the chassis and configured to drive rotation of the first wheel and the second wheel; a steering system configured to change a direction of the first and second wheel support structures; at least one sensor configured to detect a property of the agricultural field or vegetation therein; and a control system configured to control the prime mover and the steering system; wherein the first and second wheel support structures are configured to change a height of the chassis relative to the first and second wheels (102; and a hose configured to connect an external water source to the high-clearance vehicle while the high-clearance vehicle traverses the agricultural field. a high-clearance vehicle (100; 100'; 100"; 200; 200'; 200"; 300; 400), the high-clearance vehicle comprising: a first wheel support structure carrying a first wheel; a second wheel support structure carrying a second wheel; at least one axle connected at a first end to the first wheel support structure and at a second end to the second wheel support structure, wherein the at least one axle is configured to define an adjustable track width between the first wheel and the second wheel; a chassis supported by the at least one axle; an operator cab carried by the chassis; a liquid tank carried by the chassis; at least one boom carried by the chassis, the at least one boom comprising a plurality of nozzles in fluid communication with the liquid tank; a prime mover carried by the chassis and configured to drive rotation of the first wheel and the second wheel; a steering system configured to change a direction of the first and second wheel support structures; at least one sensor configured to detect a property of the agricultural field or vegetation therein; and a control system configured to control the prime mover and the steering system; wherein the first and second wheel support structures are configured to change a height of the chassis relative to the first and second wheels (102; and a first wheel support structure carrying a first wheel; a second wheel support structure carrying a second wheel; at least one axle connected at a first end to the first wheel support structure and at a second end to the second wheel support structure, wherein the at least one axle is configured to define an adjustable track width between the first wheel and the second wheel; a chassis supported by the at least one axle; an operator cab carried by the chassis; a liquid tank carried by the chassis; at least one boom carried by the chassis, the at least one boom comprising a plurality of nozzles in fluid communication with the liquid tank; a prime mover carried by the chassis and configured to drive rotation of the first wheel and the second wheel; a steering system configured to change a direction of the first and second wheel support structures; at least one sensor configured to detect a property of the agricultural field or vegetation therein; and a control system configured to control the prime mover and the steering system; wherein the first and second wheel support structures are configured to change a height of the chassis relative to the first and second wheels (102; and a hose configured to connect an external water source to the high-clearance vehicle while the high-clearance vehicle traverses the agricultural field.