John Deere LA175 Belt Size

Quick answer:

The John Deere LA175 deck belt part number found is GX21395. The deck belt size found is 161 in (4,089 mm) long by 0.5 in (13 mm) wide. The drive belt part number found is M144202.

Deck belt part #GX21395
Deck belt sizelength 161 in (4,089 mm) and width 0.5 in (13 mm)
Drive belt part #M144202

John Deere LA175 Belt Size and Part Numbers

Mower deck belt part number GX21395
Mower deck belt length 161 in (4,089 mm)
Mower deck belt width 0.5 in (13 mm)
Drive belt part number M144202

Belt Size Comparison Chart

Belt length comparison

This model

161 in

Average

145 in

Low

100 in

High

220 in

Belt width comparison

This model

0.5 in

Average

0.5 in

Low

0.38 in

High

0.75 in

John Deere LA175 Belt Notes

Mower deck belt note The John Deere LA175 deck belt listing shows part number GX21395, length 161 in (4,089 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 LA175 drive or transmission belt part number captured here is M144202. Do not mix it up with the deck belt because the routing and job are different
Fitment note Before ordering a John Deere LA175 belt, compare the old belt routing, pulley layout and deck size if available. A close-looking belt can still be wrong

John Deere LA175 Belt Size FAQ

Why can the correct John Deere LA175 deck belt still slip?

The deck belt length found is 161 in (4,089 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

Why does 0.5 in (13 mm) belt width matter on the John Deere LA175?

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

Why are there separate belt part numbers for the John Deere LA175?

The captured values separate the belt jobs: deck belt part number GX21395 and drive belt part number M144202. Treat each number as position-specific and confirm it against the parts diagram before ordering

Is the captured John Deere LA175 drive belt part number enough to buy from?

The captured drive belt number is M144202. 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.