Outdoor Power Equipment, Small Engine, Lawn Mower Repairs, Troubleshooting and Safety

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Installation, Repair and Replacement of John Deere STX30 and STX38 Gear Drive Belt (Yellow Deck)

Left-hand and right-hand are referenced from the point of view of the tractor operator.
The flat backside of the belt rides on flat idlers; the inside vee rides in v-idlers and pulleys.
These John Deere products use belt part number M74747 which is 104.72" long, 0.5" wide, HA section, 0.31" thick, 32 deg.