Quick answer:
The blade measurement captured is thickness 0.188 in (5 mm). The deck uses 3 blades. The captured deck size is 42 in deck.
Blade sizethickness 0.188 in (5 mm)
Blade count3 blades
Deck size42 in deck
Cub Cadet GT 2100 Mower Blade Size and Part Numbers
| Blade thickness | 0.188 in (5 mm) |
|---|---|
| Number of blades | 3 blades |
| Deck size | 42 in deck |
| Blade type | high-lift, mulching, standard, and 3-in-1 |
Blade Size Comparison Chart
Blade thickness comparison
Mower deck size comparison
Cub Cadet GT 2100 Blade Notes
| Blade note | The Cub Cadet GT 2100 blade listing captured here shows thickness 0.188 in (5 mm). Do not buy purely from model name if the mower deck or serial range is different |
|---|---|
| Deck note | For the Cub Cadet GT 2100, the captured deck information is deck size 42 in deck and blade count 3 blades. Deck size matters because the same model family can use different blade kits |
| Blade type note | For the Cub Cadet GT 2100, blade type is listed as high-lift, mulching, standard, and 3-in-1. Pick the blade style for the job: clean discharge, bagging lift, or mulching |
| Fitment note | Blades are cheap until you buy the wrong set twice. On the Cub Cadet GT 2100, confirm part number, deck size and blade count before buying |
Cub Cadet GT 2100 Mower Blade FAQ
How do you avoid buying the wrong Cub Cadet GT 2100 blade kit?
Start with the captured deck setup: 42 in deck and 3 blades. Then confirm the blade part number against the deck tag, old blade stamp or parts diagram
Which blade type should you use on the Cub Cadet GT 2100?
The blade type captured is high-lift, mulching, standard, and 3-in-1. Use that against the captured fitment value 42 in deck. High-lift helps bagging/discharge; mulching blades need the right mulching setup
Official information note
Mistakes do happen. Blade specs can change by year, mower deck, spindle, serial range and regional parts catalog. Please check the operator manual, old blade stamp, deck tag and official cubcadet.com before ordering replacement blades.


