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Lortone 33B Rotary Tumbler

Lortone 33B Rotary Tumbler

Last price we saw

$218.00at Mama's Minerals, last seen Oct 30

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Our take on the Lortone 33B Rotary Tumbler

The Lortone 33B is a dual-barrel rotary rock tumbler with two 3 lb rubber barrels, so you can run two batches at once or one alone. It uses an upgraded drive and a compact base of about 6.25 by 10.25 inches. Lortone rates it for beginners through experienced users, and it needs periodic oiling per the instructions. It is a long-running hobby standard rather than a sealed, maintenance-free machine.

Best forBeginners tumbling their first batches of rough
Hobbyists who want two separate grit stages running at once
Small-batch polishing of agates, jasper and beach stones
Buyers who prefer a repairable, oiled bushing drive over sealed units
Pros
  • Two 3 lb barrels run together or independently
  • Rubber barrels resist wear and quiet the tumbling noise
  • Upgraded drive versus earlier 33B versions
  • Compact footprint for a two-barrel machine
  • Simple mechanical design that is easy to service
  • Suits both beginners and experienced tumblers
Cons
  • Requires regular oiling, unlike sealed-bearing tumblers
  • Rotary tumbling takes weeks per batch through all grit stages
  • 6 lb total capacity is small for large stones
  • No timer or speed control
  • Barrels and grit are consumables you will replace

Lortone 33B Rotary Tumbler prices at every store

  • The Gemstone LabCheck price at The Gemstone Lab
  • LortoneCheck price at Lortone
  • Mama's MineralsCheck price at Mama's Minerals

Lortone 33B Rotary Tumbler price history

Lowest price we've seen: $218.00 on Oct 30 at Mama's Minerals. Tracked across 1 store since Oct 30.

What reviewers say

Owners treat the 33B as a durable workhorse and often keep one running for years. The twin barrels and easy servicing draw the most praise; the oiling routine and slow rotary cycle draw the most complaints.

Pros
  • Long service life with basic maintenance
  • Twin barrels let two grit stages run at once
  • Rubber barrels hold up and run quieter than plastic
  • Straightforward to repair with common parts
Cons
  • Oiling schedule is easy to forget
  • Rotary tumbling is slow, often four to six weeks per load
  • Small barrel size limits how large a stone you can finish
  • Motor and drive noise bothers some owners in living spaces

From Lortone

  • Upgraded drive
  • Polish more stones at the same time in a compact unit
  • Comes with twin 3 lb. rubber barrels
  • Base dimensions 6.25"W x 10.25"L
  • Requires oiling - see instructions
Shipping
Dimensional shipping weight: 20 lbs.
Packs
Limit 1 per order
In the box
Twin 3 lb. rubber barrels

About the Lortone 33B Rotary Tumbler

The ever-popular 33B tumbler offers greater capacity and an upgraded drive. Now you can polish more stones at the same time in a compact unit. Comes with twin 3 lb. rubber barrels. Base dimensions 6.25"W x 10.25"L. Dimensional shipping weight: 20 lbs. THIS MACHINE REQUIRES OILING - SEE INSTRUCTIONS Limit 1.

Specifications

Type
Rotary tumbler
Included Materials
Rocks, Gemstones
Included Components
Twin 3 lb. rubber barrels
Included Instructions
Yes
Educational Topics
Rocks and gemstones
Age Range
Adult
Target Users
Hobbyists, Professionals

Questions and answers

Is the Lortone 33B worth it for a beginner?
Yes, if you want a proven machine and don't mind oiling it. The twin barrels let you start a second batch while the first is still on coarse grit.
How does the 33B compare with the Lortone 3A?
The 3A has a single 3 lb barrel; the 33B adds a second barrel and an upgraded drive. The 33B costs more and takes more bench space but doubles throughput.
Does it need oil?
Yes. Lortone specifies oiling the drive per the included instructions. Skipping it wears the bushings and shortens motor life.
How much rock fits in the barrels?
Each barrel holds about 3 lb of rock plus grit and water, roughly two-thirds full. That suits stones up to about 1.5 inches; larger pieces need a bigger tumbler.
What comes in the box?
The tumbler with two 3 lb rubber barrels and instructions. Grit and tumbling media are not included, so buy a grit kit separately.
When is the price lowest?
Rock-tumbling gear tends to discount around the holidays and during spring rockhounding season. Check the price history before buying.
Where can I buy the Lortone 33B Rotary Tumbler?
3 stores we checked sell it, including The Gemstone Lab, Lortone, Mama's Minerals.

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Interactive Elements
Barrels can be used simultaneously or individually
Durability
Molded Rubber Barrel’s
Material
Rubber (barrels)
Power Source
Electric
Skill Level
Beginner, Beginners, Experienced users
Depth
9.00 in
Height
11.00 in
Width
6.25 in
Weight
20 lbs (dimensional shipping weight)
Packaging Type
Frustration-Free Packaging