John Deere X948 Belt Size

Quick answer:

The John Deere X948 deck belt part number found is GX21833. The drive belt part number found is MIA10045.

Deck belt part #GX21833
Drive belt part #MIA10045
Deck size48 in deck

John Deere X948 Belt Size and Part Numbers

Mower deck belt part number GX21833
Drive belt part number MIA10045
Deck size 48 in deck

Belt Size Comparison Chart

Mower deck size comparison

This model

48 in

Average

48 in

Low

38 in

High

60 in

John Deere X948 Belt Notes

Mower deck belt note The John Deere X948 deck belt part number captured here is GX21833. Match the old belt, deck size and routing before spending money
Drive belt note The John Deere X948 drive or transmission belt part number captured here is MIA10045. Do not mix it up with the deck belt because the routing and job are different
Deck size note For the John Deere X948, deck size is listed as 48 in deck. Always match belt specs to the deck fitted to your machine, not just the tractor model name
Fitment note The blunt rule with the John Deere X948: part number beats guesswork. If the belt is off by even a small amount, it can slip, squeal, jump pulleys or wear fast

John Deere X948 Belt Size FAQ

How do you avoid mixing up the John Deere X948 deck and drive belts?

Use the belt position first: deck belt part number GX21833 and drive belt part number MIA10045. A deck belt number does not automatically fit the drive system, even when an aftermarket listing makes the cross-reference look close

What is the fastest way to confirm the John Deere X948 deck belt?

Start with the captured 48 in deck deck and the deck belt value GX21833. Then check the belt routing decal or parts diagram so you do not order a belt for the wrong deck

Is the captured John Deere X948 deck belt part number enough to buy from?

The captured deck belt number is GX21833. This number helps with OEM lookup, but the deck belt length and width were not fully captured here. Before buying aftermarket, confirm the exact deck or serial range

Is the captured John Deere X948 drive belt part number enough to buy from?

The captured drive belt number is MIA10045. That is useful for OEM lookup, but the drive belt length and width were not fully captured here. It is weak data for guessing an aftermarket belt by size alone

Official information note

Mistakes do happen. Belt specs can change by year, mower deck, pulley layout, serial range and regional parts catalog. Please check the operator manual, belt routing decal, old belt label and official John Deere parts catalog before ordering a replacement belt.