PowerTech Mobile Generator Kubota 1 1/4 exhaust flange. This flange has a four-bolt mounting system. The exhaust flange is commonly used on the Kubota 05 series engines ranging in the 5-12 KW sizes. The thread size measurement is based on the American National Standard Pipe Thread Standards. The actual outside diameter measurement is 1 9/16.

The Kubota 05 exhaust flange is used on the following Kubota engine models:

Kubota 905
Kubota 1105
Kubota 1305
Kubota 1505
Kubota 1505T

Note: This Flange is also used on some Caterpillar PowerTech Generator models.