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Lortone 33B Rotary Rock Tumbler

Lortone 33B Rotary Rock 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 Rock Tumbler

The Lortone 33B is a dual-barrel rotary rock tumbler with two 3 lb rubber barrels that can run together or one at a time. That twin setup lets you tumble two batches at different grit stages, which is the main reason hobbyists pick it over single-barrel machines. Lortone's rubber barrels and metal base have a long reputation for durability, and the 33B is a common step up from entry-level tumblers. It is a slow, quiet, set-and-forget machine rather than a fast one.

Best forHobbyists tumbling two batches at onceBeginners who want a machine that lastsFamilies turning rough stones into polished pieces
Jewelry and craft makers polishing small stones
Pros
  • Two 3 lb barrels run together or separately
  • Rubber barrels are quieter and wear well
  • Simple design with few parts to fail
  • Handles both rough-in and polish stages at once
  • Well suited to beginners and experienced users
Cons
  • Rotary tumbling takes weeks per batch
  • 20 lb shipping weight makes it bulky to store
  • No timer or speed control
  • Barrel lids need careful sealing to avoid leaks
  • Slower than vibratory tumblers

Lortone 33B Rotary Rock Tumbler prices at every store

  • Mama's MineralsCheck price at Mama's Minerals

Lortone 33B Rotary Rock 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 workhorse: it runs for years with basic care, and the twin barrels are the feature people cite most. Complaints center on lid leaks and the long time each batch takes.

Pros
  • Long service life with minimal maintenance
  • Quiet rubber barrels
  • Twin barrels allow different grit stages at once
  • Easy for beginners to run
Cons
  • Lids can leak if not seated well
  • Each batch takes weeks
  • Heavy and bulky for its capacity

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
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

Questions and answers

Is the Lortone 33B worth it over a cheaper single-barrel tumbler?
If you plan to tumble regularly, yes. Two barrels let you run coarse and fine stages at once, and the rubber barrels and motor hold up far longer than budget plastic machines.
How long does a batch take?
Expect roughly four to six weeks per batch across the grit stages, plus polishing. The 33B is a rotary tumbler, so it trades speed for gentle, reliable results.
Can I run just one barrel?
Yes. The barrels can be used simultaneously or individually, so you can run a single 3 lb batch when that is all you have.
What comes in the box?
The tumbler with its two 3 lb rubber barrels and instructions. Grit and rough rocks are typically sold separately, so check the listing before you buy.
Is it loud enough to run indoors?
Rubber barrels keep noise lower than plastic-barrel tumblers, but it still hums for weeks. A garage, basement or utility room is the usual spot.
Is it suitable for kids?
Lortone lists it for adults. It is simple to operate, but the long run times and electrical motor make it a supervised family project rather than a child's toy.

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