Gyroc Model C, large 40 pound vibratory tumbler with extra bowl

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Pick-up from store (not shipped) - $0.00
Pickup from our Warehouse in Glen Innes by appointment only. Please advise date/time in order comments.

Large industrial size 40 pound vibe tumbler - GYROC Model C

This is old stock (still brand new) so only have a couple left but we have gone over them in detail and fitted brand new Australian motor.

The GY-ROC Vibrahone Model CA for rock tumbling or jewellery finishing - a larger size vibratory tumbler with a 40 pound capacity. Not just a tumbler but a vibratory honing machine capable of producing excellent finish on stone or metal.

A commercial sized unit with dimensions of 17" x 17" x 14" (approx 45 x 45 x 35cm LxWxH) with a 14" diameter bowl (~35cm diameter and 13cm depth) - bowl capacity is about 40 pounds.

Please see the photos for indication of unit size - the pictured ruler is 15cm (~6 inches).
Photograph shows example of tumbling media in the bowl - not included with the tumbler.

Unlike many other tumblers, the motor is isolated from the vibrating shaft, so that the motor will have a long life. The Model C is suited to larger operations where capacity and continuous operation is important.

Features include:

  • Specially formulated polyolefin bowl for lightweight strength, long life and ease of cleaning
  • Precision life-time ball bearings
  • Heavy duty, internal fan cooled 240 Volt motor with Australian 3 pin plug 1/10th HP
  • Two speeds, 2500 Hz for maximum grinding action and 1500 Hz for extra gentle finishing.

No loafers or dead spots for a unique kneading action producing consistent high quality finishes on rocks or metal with less damage to delicate materials. Each tumbler has 2 adjustable counter weights that are used to adjust the amount/intensity of vibration in the bowl.

As this is clearance stock, we are including an additional bowl to the package making this great value for those larger jobs.
Tumbler and bowls are brand new.  Machine comes with 12 month warranty (springs, bowls not included).

Would ship in two boxes - the main box is not heavy but cubes up too large to send by post so this is a courier delivery (Toll Ipec).


SKU GyrocC
Brand Gyroc
Shipping Weight 12.0000kg
Shipping Width 0.450m
Shipping Height 0.750m
Shipping Length 0.450m
Shipping Cubic 0.151875000m3


By: on 8 January 2023
I have used this tumbler for the first time and have found it to be very good with one exception. It only comes with one drive belt. When running it on high speed, it doesn't take long for this belt to stretch even slightly making it impossible to use on the low speed setting as it becomes too floppy and just slips off the drive pulley. So I have to use it on the higher speed setting for all operations. This still gives a great polish but if you were wanting to use the low speed setting I would recommend getting an extra drive belt specifically for this. I did this for the Gyroc "A" model which works well. Just make sure you keep them separated at all times in zip lock bags. Otherwise I would thoroughly recommend this tumbler completing a full load of stones within 8-9 days.

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