John Deere Original Equipment Sae 0.5 Section Air Compressor V-Belt, Effective Length 1346.2 Mm (53 Inch) - H81742 The part specifications for H81742: Part Number: H81742 Part Name: Sae 0.5 Section Air Compressor V-Belt, Effective Length 1346.2 Mm (53 Inch) Belt Section(ALPHA): 0.5000 Length(IN): 53.0000 Width(IN): 0.5000 Thickness(IN): 0.4060 Angle(UNITY): 36.0000 Material Spec(ALPHA): This H81742 Sae 0.5 Section Air Compressor V-Belt, Effective Length 1346.2 Mm (53 Inch) fits these models: 27C ZTS Excavator 3300 Combine 35C ZTS Excavator 50C ZTS Excavator 7700 Combine 9500 Maximizer and 9500 SideHill Combines 9600 Maximizer Combine Air Conditioning Systems R12 to R134A CTS Combine (North American Version) This is an OEM John Deere part.