310J - BACKHOE, LOADER 90 Non-Functional Classification & Evaluation Parts group 90 Non-Functional Classification & Evaluation 9006 Noise . Noise Reduction Hood Assembly w/ Exhaust Extension Noise Reduction Foam 9007 Noise . Heat and Noise Barrier Select group 90 Non-Functional Classification & Evaluation John Deere: 9006 Noise 9007 Noise