Why look at the Max™ range?

• Designed to work – 4000 PSI continuous working pressure with a 6-1 MaxFactor™ for added piece of mind
• Build to last – extra heavy wall tubing providing extra protection from dents and scrapes while withstanding higher working pressures
• Positive locking system – high tensile conelock securely retains the piston, Our industry proven positive lock system is known for it’s ability to remain tight for the life of the cylinder.
• High performance seals – High quality wear rings and industry leading seal kits suited to your own environment & application-  giving you hours & hours of trouble free service.
• Shaft options – Precision ground hard chrome bar gives you maximum seal life and superior corrosion resistance – Induction hardened bar available on request.
• Max range – Sizing options to suit your application – from 2.5″ bore to 6.0″ bore.
• Suitable for– forestry, civil construction,mining,heavy duty industry and many more………….

Very impressed with the MAX, can't get much better than this.
Brent - Ram repair shop