Work vehicle with a speed change device

A work vehicle with a speed change device, comprising:

• a plurality of wheels including at least one driven wheel;
• an engine for driving said at least one driven wheel;
• a speed change device provided between said at least one driven wheel and said engine;
• a control device for controlling said speed change device, said control device having a control mode for operating said speed change device to a lower speed position and to a higher speed position in an automatic shifting range having a predetermined range, in response to load on said engine;
• and
• a manually operated control for shifting an entirety of said automatic shifting range to a lower speed side and to a higher speed side.

A work vehicle with a speed change device, comprising:

• a plurality of wheels including at least one driven wheel;
• an engine for driving said at least one driven wheel;
• a speed change device disposed between said at least one driven wheel and said engine;
• and
• an automatic shifting means for operating said speed change device to a lower speed position within an automatic shifting range having a predetermined range and for operating said speed change device up to a speed position said speed change device was in before an operation to the lower speed position was effected, in response to load on said engine;
• wherein said automatic shifting range can be widened to include more speed positions and narrowed to include less speed positions.