The John Deere GT235 deck belt part number found is M110313. The deck belt size found is 120 in (3,048 mm) long by 0.38 in (10 mm) wide. The drive belt part number found is M127523.
Deck belt part #M110313
Deck belt sizelength 120 in (3,048 mm) and width 0.38 in (10 mm)
Drive belt part #M127523
John Deere GT235 Belt Size and Part Numbers
Mower deck belt part number
M110313
Mower deck belt length
120 in (3,048 mm)
Mower deck belt width
0.38 in (10 mm)
Drive belt part number
M127523
Belt Size Comparison Chart
Belt length comparison
This model
120 in
Average
110 in
Low
75 in
High
155 in
Belt width comparison
This model
0.38 in
Average
0.38 in
Low
0.25 in
High
0.5 in
John Deere GT235 Belt Notes
Mower deck belt note
The John Deere GT235 deck belt listing shows part number M110313, length 120 in (3,048 mm) and width 0.38 in (10 mm). Use the listed value as a buying guide, not a blind substitute for the deck-specific parts diagram
Drive belt note
The John Deere GT235 drive or transmission belt part number captured here is M127523. This is separate from the mower deck belt
Fitment note
The blunt rule with the John Deere GT235: 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 GT235 Belt Size FAQ
Why can the correct John Deere GT235 deck belt still slip?
The deck belt length found is 120 in (3,048 mm). Even with the right length, a weak idler spring, worn pulley groove or wrong belt path can make it slip. The part number and routing matter together
Can you replace the John Deere GT235 belt with the same length but different width?
The deck belt width found is 0.38 in (10 mm). That is a narrow belt, so do not casually swap in a 1/2-inch belt unless the parts diagram says it crosses over. Too-wide belts can ride high in the pulley. A belt with the wrong top width can ride too high or too low in the pulley even if the length looks right
How do you avoid mixing up the John Deere GT235 deck and drive belts?
Use the belt position first: deck belt part number M110313 and drive belt part number M127523. A deck belt number does not automatically fit the drive system, even when an aftermarket listing makes the cross-reference look close
Is the captured John Deere GT235 drive belt part number enough to buy from?
The captured drive belt number is M127523. 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.
