Patent ID: 8596157

Claim:
A twenty-four speed powershift transmission for a work machine, comprising: a transmission housing; an input shaft rotatably mounted to the housing; a first gear and a low clutch mounted about the input shaft and fixed for rotation therewith; a second gear rotatably mounted about the input shaft, wherein the second gear is in communication for engagement with the low clutch, and engagement of the low clutch fixes the second gear for rotation with the input shaft; a first countershaft rotatably mounted to the housing; a third gear rotatably mounted about the first countershaft; a fourth gear and a fifth gear mounted about the first countershaft and fixed for rotation therewith; a sixth gear rotatably mounted about the first countershaft; a seventh gear, a high clutch, a first speed clutch, and a second speed clutch mounted about the first countershaft and fixed for rotation therewith; an eighth gear rotatably mounted about the first countershaft; wherein the third gear is in communication for engagement with the high clutch such that engagement of the high clutch fixes the third gear for rotation with the first countershaft, and the third gear meshes continuously with the first gear; wherein the fourth gear meshes continuously with the second gear; wherein the sixth gear is in communication for engagement with the second speed clutch such that engagement of the second speed clutch fixes the sixth gear for rotation with the first countershaft; and wherein the eighth gear is in communication for engagement with the first speed clutch such that engagement of the first speed clutch fixes the eighth gear for rotation with the first countershaft.