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Thumler's Tumbler
Thumler's Tumbler Model B Heavy Duty 15# Rock Tumbler

Thumler's Tumbler Model B Heavy Duty 15# Rock Tumbler

5· 1 rating

Best price now

$339.99at AmazonObserved Nov 1, 2026, 1:55 PM

Compared across 5 stores. Prices are checked against each store and labelled with when.

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Quick answers

Where is the Thumler's Tumbler Model B Heavy Duty 15# Rock Tumbler cheapest?
At Amazon, for $339.99, as of our latest check.
What do buyers say about the Thumler's Tumbler Model B Heavy Duty 15# Rock Tumbler?
Rated 5 out of 5 from 1 ratings. Buyers like: Outstanding customer service: same-day, after-hours email response and a replacement motor shipped the next day; Unit ran relatively quiet and vibration free; Cleaned brass like new. Common complaints: Motor kept overheating and shutting off every 20-30 minutes; Drum pulley not aligned with the motor pulley, adding load on the motor.
Where can I buy the Thumler's Tumbler Model B Heavy Duty 15# Rock Tumbler?
10 stores we checked sell it, including Amazon, Thumler's Tumbler, rockshed.com, eBay, Hiawatha Hobbies.

Thumler's Tumbler Model B Heavy Duty 15# Rock Tumbler prices at every store

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  • eBayNew

    In stockSold by power_hobby

    $339.99Observed Nov 1, 2026, 1:55 PM
    Visit store
  • Hiawatha HobbiesNew

    In stock

    $369.99Observed Nov 1, 2026, 1:55 PM
    Visit store
  • Thumler's TumblerNew

    In stockReturn policy

    $379.99Observed Nov 1, 2026, 1:55 PM
    Visit store
  • rockshed.comNew

    In stock

    $380.00Observed Nov 1, 2026, 1:55 PM
    Visit store
  • AmazonNew

    Availability unknown

    $339.99Observed Nov 1, 2026, 1:55 PM
    Visit store

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Thumler's Tumbler Model B Heavy Duty 15# Rock Tumbler price history

$339.99$302.59
Oct 30Nov 1

Lowest price we've seen: $302.59 on Oct 30 at Amazon; highest $339.99 on Nov 1. Tracked across 4 stores since Oct 30.

From Thumler's Tumbler

  • Heavy-duty, commercial grade rotary rock tumbler
  • 3000 rpm thermally protected motor
  • Powder coat paint resists chipping and rusting
  • 1/4 inch thick rubber barrel liner for quiet operation
  • Metal lid and rubber gasket prevent leaks
  • Easy open and close barrel
Materials
Powder coat painted metal base and barrel; rubber barrel liner 1/4 inch thick; metal lid and rubber gasket
Care
For motor use 3-in-1 motor oil in each oil port; for bearings use any general oil
Guarantee
One-Year Limited Warranty
Returns
Returns accepted within 30 days of purchase; items must be in original condition; buyer pays return fees unless the product arrived damaged or faulty
Shipping
Orders shipped within 24hrs, M-Sat; free shipping on orders over the threshold to the contiguous United States only (excludes Alaska, Hawaii and Puerto Rico); o

About the Thumler's Tumbler Model B Heavy Duty 15# Rock Tumbler

Thumler's Tumbler Model B Heavy Duty 15# Rock Tumbler 1550RPM

Made in USA

Features:

• Heavy-duty, commercial grade, rotary rock tumbler

• Large capacity - Process about 10 pounds of rocks

• 1550 rpm thermally protected motor, perfect to tumble-polish rocks in this size barrel.

• Metal base 8.125" high with a diameter of 9.125"

• Metal Barrel 8.5" high with a diameter of about 7" and inner diameter 8" high with a diameter of about 6.5".

• Powder coat paint resists chipping and rusting

• Rubber barrel liner for quiet operation, 1/4 inch thick which keeps the noise level down

• Metal lid and rubber gasket prevent leaks

• Easy open and close barrel

• Built to last for years

• One-Year Limited Warranty

• A Durable Large-Capacity Tumbler is a heavy-duty rotary tumbler with a 15-pound capacity barrel. It will process about 10 pounds of material.

• Easy Maintenance - For motor use 3-in-1 motor oil in each oil port, for bearings use any general oil for the bearings

What buyers say

Buyers like
  • Outstanding customer service: same-day, after-hours email response and a replacement motor shipped the next day
  • Unit ran relatively quiet and vibration free
  • Cleaned brass like new
  • Performed better than expected
  • Built to last
Buyers complain about
  • Motor kept overheating and shutting off every 20-30 minutes
  • Drum pulley not aligned with the motor pulley, adding load on the motor
  • Motor pulley installed backwards from the factory

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Specifications

Voltage
115VSource
Frequency
60HzSource
Motor speed
1550 rpmSource
Capacity
15 lbsSource
Barrel inside diameter
approximately 8" (203 mm)Source
Barrel exterior size
approximately 22 1/2" (57 cm)Source
Barrel inner dimensions
8" x 7-1/2" x 6-1/2"Source
Base dimensions
approximately 11"x11"Source
Barrel liner thickness
1/4 inchSource
Barrel frame height
8.125"Source
Barrel frame diameter
9.125"Source
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