Look at this on eBay

[Alternativedairy]

Govoni Hollow Hydraulic cylinder 20 TONS | eBay

Hollow Hydraulic Cylinder 20 TONS - Stroke 8mm. Hollow Hydraulic ram to be used for removing injectors, hubs, bearings and for many other applications where it requires positive pull and force, this cylinder is 20 ton force with a 8 mm stroke.

rover.ebay.com

 

[Alternativedairy]

@milkloss

 

[f0ster]

there are hollow cylinders on ebay for a fraction of the price shown on this ad, longer ones with a better stroke.

 

[Alternativedairy]

Aye they certainly are cheaper, just highlighting for @milklosd the kind of thing I was on about. Bloody handy bits of kit