John Deere GT275 Belt Size

Quick answer:

The John Deere GT275 deck belt part numbers found are M110312, M110313, and M154858. The deck belt size found is 67 in (1,702 mm) long by 0.5 in (13 mm) wide. The drive belt part number found is M119713.

Deck belt part #M110312, M110313, and M154858
Deck belt sizelength 67 in (1,702 mm) and width 0.5 in (13 mm)
Drive belt part #M119713

John Deere GT275 Belt Size and Part Numbers

Mower deck belt part number M110312, M110313, and M154858
Mower deck belt length 67 in (1,702 mm)
Mower deck belt width 0.5 in (13 mm)
Drive belt part number M119713

Belt Size Comparison Chart

Belt length comparison

This model

67 in

Average

75 in

Low

50 in

High

105 in

Belt width comparison

This model

0.5 in

Average

0.5 in

Low

0.38 in

High

0.75 in

John Deere GT275 Belt Notes

Mower deck belt note The John Deere GT275 deck belt listing shows part numbers M110312, M110313, and M154858, length 67 in (1,702 mm) and width 0.5 in (13 mm). Match the old belt, deck size and routing before spending money
Drive belt note The John Deere GT275 drive or transmission belt part number captured here is M119713. Do not mix it up with the deck belt because the routing and job are different
Fitment note The blunt rule with the John Deere GT275: 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 GT275 Belt Size FAQ

What should you watch when fitting a 67 in (1,702 mm) deck belt on the John Deere GT275?

A 67 in (1,702 mm) deck belt leaves little room for sloppy routing. This is a mid-length belt run, so routing and idler position still matter more than just matching a close-looking belt. Before blaming the new belt, compare the belt path to the routing decal and make sure it sits on the correct side of each keeper

Why does 0.5 in (13 mm) belt width matter on the John Deere GT275?

The captured deck belt width is 0.5 in (13 mm). Pulley grooves are cut for a matching belt profile. Wrong width can cause squeal, heat, poor blade speed or fast belt wear

How do you avoid mixing up the John Deere GT275 deck and drive belts?

Use the belt position first: deck belt part numbers M110312, M110313, and M154858 and drive belt part number M119713. 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 GT275 drive belt part number enough to buy from?

The captured drive belt number is M119713. 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.