Description:Idler gears can change the direction of rotation of the output shaft or can assist to reduce the size of the input or output gears while maintaining the spacing of the shafts.Attributes:• Material: Steel• End 1 Helical Gear Number of Teeth: 31• End 2 Helical Gear Number of Teeth: 34• End 1 Outside Diameter: 122.32 mm (4.815 in)• End 2 Outside Diameter: 130.45 mm (5.135 in)• Helix Hand: LH (2X)• Thread Size: M12x1.75 (2X)Application:Consult your owner's manual or contact your local Cat Dealer for more information.