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john deere d140 blades

Worth a look

Shows demand growing +146.3% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 10Growth 96Conversion 85Competition 42Returns 93Price range 95Avg price 95Brand share 66Review moat 76Quality gap 24

Growth

Incredible+146.3%

90-day search growth — must beat 0% to launch

Avg price

Incredible$31.02

avg listing price — sweet spot $15–$100

Price range

Incredible$24.56–$46.84

cheapest to priciest tracked listing — scored on the share inside $15–$100

Returns

Great1.1%

return rate — above 5% kills the launch gate

Conversion

Great9.6%

search→purchase rate — share of searches ending in a sale

Review moat

Great487.68

avg incumbent reviews — the moat a new listing must climb

Brand share

Good65%

top-5 brand share — brands hold most of the demand

Competition

Okay60%

top-5 click share — leaders hold, buyers still browse

Quality gap

Bad4.6★

avg incumbent rating — lower means beatable quality

Market size

Bad$39K

$39K/yr · 13K searches

Signals Trending

According to Flapen's Amazon United States niche tracking, john deere d140 blades is a $39K/yr Amazon United States market (13K searches/yr). The top 5 brands hold 65% of demand. Demand peaks in Apr–May–Jun–Jul–Aug. Verdict: Worth a look — 62/100.

Data updated Jul 16, 2026 · scored weekly · How we score niches

john deere d140 blades market data

Units sold / yr
1K–2K
avg 0–100/product
Revenue / yr
$39K–$47K
units × avg price
Conversion rate
9.6%
Avg BSR
#799
Page quality
0%
Prime
95%
Sponsored
89%
Out of stock
0.0%
Avg brand age
37 months
Avg seller age
180 days

Competition & brand share

The top 5 products take 60% of clicks — established leaders, but buyers still shop beyond them.

Brands

17 falling

Sellers

31

Top-5 brand share

65%

Top 20: 100%

Top-5 click share

60%

Top 20: 100%

Open market

29%

  • Grasscool24%
  • UDC Parts17%
  • John Deere12%
  • wyevee6%
  • GICOOL6%
  • Belleone5%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +146.3% search growth over the last 90 days.
600400Spike '24Spike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Apr, May, Jun, Jul, Aug · busiest ÷ quietest = 13.6×

Top john deere d140 blades products on Amazon

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%10%$4K20%$8K30%$12K40%$16K101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 19 tracked products in this niche — three views at once, no toggling.

What buyers say about john deere d140 blades

What buyers praise and complain about, mined from review topics.

What buyers love

Size-Overall29%

“Fit my mower perfectly”

Value For Money15%

“Good price”

Cutting/Trimming14%

“Good blades”

Quality-Overall13%

“Quality blades”

Assembly/Installation6%

“ready to install”

Durability6%

“They are durable so far”

Advertised Vs Actual Product5%

“As advertised”

Ease Of Use2%

“makes the job much easier with basic tools”

Ease Of Cleaning2%

“they delivered a clean”

Strength2%

“They are balanced well”

What buyers complain about

Size-Overall23%

“Does not fit the John Deere S140”

Advertised Vs Actual Product10%

“Does not fit jd425 ztr mower as advertised”

Thickness9%

“possibly thicker than the current set”

Assembly/Installation7%

“there was noticeable vibration that made the install experience more frustrating than it should have been”

Durability6%

“Did not last long”

Mounting5%

“The blade is not machined out to compensate for the nut width”

Ease Of Use5%

“They work; they are extremely difficult to sharpen due to multiple angles where the blade is bent when being made”

Weight Heavy4%

“These feel slightly heavier”

Cutting/Trimming3%

“don't seem to cut any better than any others I've used”

Value For Money3%

“These are a bit less expensive than the other set”

Top return reasons

Size-Overall57%
Advertised Vs Actual Product16%
Shape/Style6%
Mounting5%
Defective Material/Parts4%
Compatibility-Overall3%
Functionality-Overall3%
Cutting/Trimming2%
Value For Money1%
Maintenance And Repair1%

Common questions

Is john deere d140 blades profitable to sell on Amazon United States?
The niche generates $39K/yr across 19 tracked products. 3 of 4 products launched in the last 360 days are still selling. 90-day search growth is +146.3%. Flapen's verdict: Worth a look (62/100).
How competitive is the john deere d140 blades niche?
17 brands and 31 sellers compete. The top 5 products take 60% of clicks and top 5 brands hold 65% of demand.
What do buyers complain about in john deere d140 blades?
Top complaints mined from reviews: Size-Overall, Advertised Vs Actual Product, Thickness. The return rate is 1.1%.
When does demand for john deere d140 blades peak?
Demand peaks in Apr–May–Jun–Jul–Aug; the busiest month runs 13.6× the quietest.
What does it cost to enter the john deere d140 blades niche?
Listings span $24.56–$46.84; the average listing price is $31.02 (sweet spot $15–$100). The average incumbent carries 488 reviews — the moat a new listing must climb.