Willamette Valley Rocks

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Single Quart Roll-N-Tumble Gem Tumbler

covington single quart rock gem casings tumbler 257tum
  • Solid EVA barrel
  • Cast aluminum chassis
  • Powder coated frame and belt guard
  • Steel support shafts
  • DuPont nylon bearings
  • Fan cooled, 1/21HP, 110V, 60HZ motor
  • 3 Pound Capacity

Covington's Rolling Tumblers are stout American-made machines built to last. These quiet running tumblers utilize raised ridges inside the barrel which prevent sliding and promote faster grind. The proper rotary speed is preset in the factory to ensure maximum abrasion and polishing action. The barrels can be removed easily for inspection or cleaning.

All tumbling units ship complete with a belt guard, instructions, and product guarantee.


Model 257tum -          Shipping Weight 15 lbs by FedEx             $302.00


Double Quart Roll-N-Tumble Gem Tumbler

covington double quart rock gem casings tumbler 258tum
  • Solid EVA barrel
  • Cast aluminum chassis
  • Powder coated frame and belt guard
  • Steel support shafts
  • DuPont nylon bearings
  • Fan cooled, 1/21HP, 110V, 60HZ motor
  • 6 Pound Capacity

Covington's Rolling Tumblers are stout American-made machines built to last. These quiet running tumblers utilize raised ridges inside the barrel which prevent sliding and promote faster grind. The proper rotary speed is preset in the factory to ensure maximum abrasion and polishing action. The barrels can be removed easily for inspection or cleaning.

All tumbling units ship complete with a belt guard, instructions, and product guarantee.


Model 258tum -          Shipping Weight 19 lbs by FedEx             $374.00


Triple Quart Roll-N-Tumble Gem Tumbler

covington triple quart rock gem casings tumbler 259tum
  • Solid EVA barrel
  • Cast aluminum chassis
  • Powder coated frame and belt guard
  • Steel support shafts
  • DuPont nylon bearings
  • Fan cooled, 1/21HP, 110V, 60HZ motor
  • 9 Pound Capacity

Covington's Rolling Tumblers are stout American-made machines built to last. These quiet running tumblers utilize raised ridges inside the barrel which prevent sliding and promote faster grind. The proper rotary speed is preset in the factory to ensure maximum abrasion and polishing action. The barrels can be removed easily for inspection or cleaning.

All tumbling units ship complete with a belt guard, instructions, and product guarantee.


Model 259tum -          Shipping Weight 22 lbs by FedEx             $428.00


Single Half Gallon Roll-N-Tumble Gem Tumbler

covington single half gallon rock gem casings tumbler 254tum
  • Solid EVA barrel
  • Cast aluminum chassis
  • Powder coated frame and belt guard
  • Steel support shafts
  • DuPont nylon bearings
  • Fan cooled, 1/21HP, 110V, 60HZ motor
  • 6 Pound Capacity

Covington's Rolling Tumblers are stout American-made machines built to last. These quiet running tumblers utilize raised ridges inside the barrel which prevent sliding and promote faster grind. The proper rotary speed is preset in the factory to ensure maximum abrasion and polishing action. The barrels can be removed easily for inspection or cleaning.

All tumbling units ship complete with a belt guard, instructions, and product guarantee.


Model 254tum -          Shipping Weight 18 lbs by FedEx             $320.00


Double Half Gallon Roll-N-Tumble Gem Tumbler

covington double half gallon rock gem casings tumbler 255tum
  • Solid EVA barrel
  • Cast aluminum chassis
  • Powder coated frame and belt guard
  • Steel support shafts
  • DuPont nylon bearings
  • Fan cooled, 1/21HP, 110V, 60HZ motor
  • 12 Pound Capacity

Covington's Rolling Tumblers are stout American-made machines built to last. These quiet running tumblers utilize raised ridges inside the barrel which prevent sliding and promote faster grind. The proper rotary speed is preset in the factory to ensure maximum abrasion and polishing action. The barrels can be removed easily for inspection or cleaning.

All tumbling units ship complete with a belt guard, instructions, and product guarantee.


Model 255tum -          Shipping Weight 22 lbs by FedEx             $387.00


Triple Half Gallon Roll-N-Tumble Gem Tumbler

covington triple half gallon rock gem casings tumbler 256tum
  • Solid EVA barrel
  • Cast aluminum chassis
  • Powder coated frame and belt guard
  • Steel support shafts
  • DuPont nylon bearings
  • Fan cooled, 1/6HP, 110V, 60HZ motor
  • 18 Pound Capacity

Covington's Rolling Tumblers are stout American-made machines built to last. These quiet running tumblers utilize raised ridges inside the barrel which prevent sliding and promote faster grind. The proper rotary speed is preset in the factory to ensure maximum abrasion and polishing action. The barrels can be removed easily for inspection or cleaning.

All tumbling units ship complete with a belt guard, instructions, and product guarantee.


Model 256tum -          Shipping Weight 32 lbs by FedEx             $491.00


Single Gallon Roll-N-Tumble Gem Tumbler

covington single gallon rock gem casings tumbler 251tum
  • Solid EVA barrel
  • Cast aluminum chassis
  • Powder coated frame and belt guard
  • Steel support shafts
  • DuPont nylon bearings
  • Fan cooled, 1/21HP, 110V, 60HZ motor
  • 12 Pound Capacity

Covington's Rolling Tumblers are stout American-made machines built to last. These quiet running tumblers utilize raised ridges inside the barrel which prevent sliding and promote faster grind. The proper rotary speed is preset in the factory to ensure maximum abrasion and polishing action. The barrels can be removed easily for inspection or cleaning.

All tumbling units ship complete with a belt guard, instructions, and product guarantee.


Model 251tum -          Shipping Weight 20 lbs by FedEx             $333.00


Double Gallon Roll-N-Tumble Gem Tumbler

covington double gallon rock gem casings tumbler 252tum
  • Solid EVA barrel
  • Cast aluminum chassis
  • Powder coated frame and belt guard
  • Steel support shafts
  • DuPont nylon bearings
  • Fan cooled, 1/6HP, 110V, 60HZ motor
  • 24 Pound Capacity

Covington's Rolling Tumblers are stout American-made machines built to last. These quiet running tumblers utilize raised ridges inside the barrel which prevent sliding and promote faster grind. The proper rotary speed is preset in the factory to ensure maximum abrasion and polishing action. The barrels can be removed easily for inspection or cleaning.

All tumbling units ship complete with a belt guard, instructions, and product guarantee.


Model 252tum -          Shipping Weight 32 lbs by FedEx             $445.00


Triple Gallon Roll-N-Tumble Gem Tumbler

covington triple gallon rock gem casings tumbler 253tum
  • Solid EVA barrel
  • Cast aluminum chassis
  • Powder coated frame and belt guard
  • Steel support shafts
  • DuPont nylon bearings
  • Fan cooled, 1/6HP, 110V, 60HZ motor
  • 36 Pound Capacity

Covington's Rolling Tumblers are stout American-made machines built to last. These quiet running tumblers utilize raised ridges inside the barrel which prevent sliding and promote faster grind. The proper rotary speed is preset in the factory to ensure maximum abrasion and polishing action. The barrels can be removed easily for inspection or cleaning.

All tumbling units ship complete with a belt guard, instructions, and product guarantee.


Model 253tum -          Shipping Weight 38 lbs by FedEx             $535.00


Deluxe Tumbler

covington deluxe rock gem casings tumbler 250tum
  • Solid Polyvinyl barrel
  • Powder Coated Cast Aluminum Chassis
  • Unique 3-way Tumbling Action
  • DuPont nylon bearings
  • Fan cooled, 1/21HP 110V, 60HZ motor
  • 12 Pound Capacity

The Covington Deluxe Tumbler features a unique 3-way tumbling action that quickly tumbles material. A Covington exclusive, the hexagonal barrel aids in abrasion by:

  • Tumbling in the bottom corner of the barrel with criss-cross and side-to-side action.
  • Forcing the pieces to change position six times per revolution.
  • Movin a portion of the pieces gently up and down while rotating.

The slanted barrel allows easy access for checking progress. This unit is ideal for tumbling gold and silver castings, glass, and gemstones. The tumbler comes complete with instructions and product guarantee.


Model 250tum -          Shipping Weight 20 lbs by FedEx             $431.00


40 Pound Production Tumbler

covington 40 forty pound production rock gem casings tumbler 268tum
  • 1/3HP, 110V, 60HZ Motor
  • Powder Coated Steel Chassis
  • Heavy Duty Sealed Ball Bearings
  • Powder Coated Hexagonal Barrel with Rubber Liner
  • Dual Driven, Rubber Covered, 5/8" Steel Support Shafts
  • 40 Pound Capacity

The 40 lb. Production Tumbler is a commercial sized unit designed for extended heavy use. The tumbler barrel turns on rubber covered roller shafts in an enclosed frame preventing it from falling off the support rods.

This unit ships complete with a belt guard, instructions, and product guarantee.


Model 268tum -          Shipping Weight 57 lbs by FedEx             $833.00