The Hofmann EAA0410G31A is the genuine OEM clamping table (turntable) pneumatic cylinder used to open and close the rim-clamping jaws on Monty 3300-series tire changers. If your machine struggles to clamp, slips under load, or shows uneven jaw movement, this replacement cylinder restores full factory clamping force and precision. Sold individually, machines require two cylinders.


Features:

  • 100% Genuine OEM Replacement, Direct-fit Hofmann part number EAA0410G31A (also printed as EAA041G31A).
  • Restores Factory Clamping Force, Eliminates weak, uneven, or slow opening/closing jaws.
  • Critical Under-Table Component, Powers the main turntable clamping action on Monty 3300-series machines.
  • Heavy-Duty Double-Acting Design, Delivers reliable bidirectional pneumatic performance under high load.
  • Precision Fit and Mounting Points, Designed with the exact eye-to-eye length, rod diameter, and port orientation to match OEM specifications.
  • Replace One or Both, Machines use two cylinders; replacing both ensures balanced clamping and long service life.
  • Cross-Compatible, Used across select Hofmann, Snap-on, and John Bean tire changers that specify EAA0410G31A.

Specs:

Part Type: OEM
Color: Silver
Material: Metal
Rod Diameter: ~20 mm
Eye/Pivot Hole Diameter: ~12 mm
Cylinder Body Length: ~400 mm
Closed Eye-to-Eye Length: ~430 mm
Extended Eye-to-Eye Length: ~740 mm
Material: Aluminum body with steel rod
Qty: 1 cylinder (machine uses 2)
Weight: 5.6 lbs

Ref No.
EAA041G31A
C4022182
ST4022182

Application:

This cylinder operates the rim-clamping jaws on the tire changer turntable. When air is supplied, it extends and retracts to open or close the four table jaws simultaneously.

Fitment
Monty 3300-20
Monty 3300 SmartSpeed
Monty 2300 (select units using this cylinder family)
Monty 3300 Racing
Monty 3550 / 3550 Air (verify by parts list)

May Also Fit:
Snap-on: EEWH302A, EEWH303A, EEWH304A, EEWH305A, EEWH311A, EEWH311B, EAA0338G74A.
John Bean (JBC): EHP SYSTEM II, EHP SYSTEM IIE, EHP SYSTEM III, EHP SYSTEM IIIE, EHP SYSTEM IV, EHP SYSTEM IVE, EHP SYSTEM V, EHP SYSTEM V, EHP SYSTEM V, EHP SYSTEM VE.

About the Brand

Hofmann

Hofmann is synonymous with quality and innovation in garage equipment. Since 1931, the brand has been a reliable partner to the automotive industry, developing wheel balancers, tire changers, alignment systems, and lifts trusted by service professionals around the world. Backed by Snap-on's resources and expertise, Hofmann equipment is built to handle today's vehicles and tomorrow's challenges. Get started with Garage Supply Guys for pricing and support.

View All Hofmann Products

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