John Deere 997 Mower Blade Size

Quick answer:

The John Deere 997 mower blade part number found is M170202. The blade set part number found is TCU21475. The blade measurement captured is width 2.5 in (64 mm). The deck uses 3 blades.

Blade part #M170202
Blade set part #TCU21475
Blade sizewidth 2.5 in (64 mm)
Blade count3 blades

John Deere 997 Mower Blade Size and Part Numbers

Mower blade part number M170202
Mower blade set part number TCU21475
Blade width 2.5 in (64 mm)
Number of blades 3 blades
Blade type high-lift

Blade Size Comparison Chart

Blade width comparison

This model

2.5 in

Average

2.5 in

Low

2 in

High

3.5 in

John Deere 997 Blade Notes

Blade note The John Deere 997 blade listing captured here shows single blade part number M170202, blade set part number TCU21475, and width 2.5 in (64 mm). Use this as a buying guide, then match the blade position, deck size and center-hole style before spending money
Deck note For the John Deere 997, the captured deck information is blade count 3 blades. Match the blades to the fitted deck, not just the tractor model name
Blade type note The John Deere 997 blade style captured here is high-lift. Blade type affects airflow and clipping handling, not just cut width
Fitment note Blades are cheap until you buy the wrong set twice. On the John Deere 997, confirm part number, deck size and blade count before buying

John Deere 997 Mower Blade FAQ

Does 2.5 in (64 mm) blade width matter on the John Deere 997?

Yes. The blade width captured is 2.5 in (64 mm). That is a normal mower blade width range. Width affects airflow, lift and clipping movement under the deck. A different width can change airflow, cut quality and clipping discharge

What is the difference between the John Deere 997 blade number and blade set number?

The captured single blade number is M170202, while the captured blade set number is TCU21475. Use the single blade number for one replacement and the set number when replacing the full deck set

Can you swap John Deere 997 blade types?

The blade type captured is high-lift. You can often choose a different style only if it fits the same deck and spindle setup. Use M170202 as the fitment starting point

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 John Deere parts catalog before ordering replacement blades.