Conventional Rotator

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CR500 500 Tonne Conventional Welding Rotators - Drive and Idler Set

500 Tonne
Conventional Rotator Set

Key Plant Automation’s CR500 Conventional Welding Rotators feature a heavy-duty, all-steel construction with manually adjustable wheel brackets to accommodate various vessel sizes. Workpiece rotation is by-way-of a two-motor, twin-wheel-drive system which removes the need for torque bars.

Machine Features
  • 500 Tonne Drive/Idler Rotator Set S.W.L Capacity
  • 1250mm to 7500mm Vessel Diameter Range
  • Polyurethane Wheels
  • Plug & Socket Pendant
  • Drive Unit Independently Drive Wheel Brackets
  • UKCA / UL / CSA Options

Spec Sheet Available on Request.

Buy, Hire and Lease

Our products are available for both purchase and rental, offering flexibility to meet your specific needs.

Comprehensive Stocks

We maintain comprehensive stocks to ensure the availability of the equipment you require when you need it.

Special Builds

If you have unique requirements, we offer special design options tailored to your specific requests.


ModelKP500 Conventional Rotator Set (Drive & Idler)
Safe Working Load – Drive Unit250 tonne
Safe Working Load – Idler Unit250 tonne
Maximum Load Carrying Capacity – Set500 tonne (1 Driver & 1 Idler)
Wheel Centre Distance55.1, 85, 131.5in (1400, 2160, 3340mm)
Vessel Diameter Capacity49.2in to 295.3in (1250mm to 7500mm)
Rotation Speed Range3.9 to 41.3 in/min (100 to 1050 mm/min)
Tyre TypePolyurethane, 95A durometer shore rating
Wheel Size33.9in diameter x 27in wide (860mm x 686mm)
Overall Height to Top of Tyre53.8in (1367mm)
Remote Pendant TypePlug & Socket Five Push Button Control (forward/stop/reverse/speed control/e-stop), 50ft (15m) cable
Rotation Drive Motors2 x 7.5kW
Primary Input Power380 to 480V, 3 Phase, 50/60Hz
Input Current at Rated Load29.9mp
Overall Length & Width – Drive237.7in x 63.1in (6037mm x 1604mm)
Overall Length & Width – Idler177.6in x 57.2in (4510mm x 1454mm)
Weight – Drive30,865lb (14,000kg)
Weight – Idler26,456lb (12,000kg)

Options and Features

Wheel Type

Pick the tyre/wheel best suitable for your vessel application, we provide; polyurethane (PU), steel and rubber wheel options.

Pendant & Controls

Our rotators are equipped with a 5-function wired pendant conforming to either UKCA or UL standards. We also provide options for foot switches, wireless pendants, digital speed and touch displays, and PLC controls to cater to specialised requirements.


Choose from a range of undercarriage options including stationary, manual, or motorised bogies for compatibility with floor rails.

Wheel Bracket

Select from fixed, bolted, or leadscrew adjustable wheel brackets to precisely adapt to varying component diameters.

Explosion Proof

Key Plant Automation manufactures ATEX-certified equipment for hazardous environments like paint, shotblasting, and petrochemical works.

Grooved Wheels

We offer grooved wheel options designed for cylindrical vessels with unique points of contact, ensuring secure and precise rotation.