Quick answer:
The deck belt size found is 80 in (2,032 mm) long by 0.5 in (13 mm) wide.
Deck belt sizelength 80 in (2,032 mm) and width 0.5 in (13 mm)
Cub Cadet 125 Belt Size and Part Numbers
| Mower deck belt length | 80 in (2,032 mm) |
|---|---|
| Mower deck belt width | 0.5 in (13 mm) |
Belt Size Comparison Chart
Belt length comparison
Belt width comparison
Cub Cadet 125 Belt Notes
| Mower deck belt note | The Cub Cadet 125 deck belt measurement captured here is length 80 in (2,032 mm) and width 0.5 in (13 mm). Match the old belt, deck size and routing before spending money |
|---|---|
| Fitment note | For the Cub Cadet 125, use the listed specs as a buying guide, but confirm against the operator manual, parts diagram or belt label before spending money |
Cub Cadet 125 Belt Size FAQ
Why can the correct Cub Cadet 125 deck belt still slip?
The deck belt length found is 80 in (2,032 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 Cub Cadet 125?
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
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 cubcadet.com before ordering a replacement belt.
