Custom Hydraulic Cylinder 180mm Bore 110mm Rod 850mm Stroke

Customized Hydraulic Cylinder 180 110-850 Hydraulic Cylinder for Large-scale Engineering Purposes Built-In Seal Groove Cylinder Good Hydraulic Cylinders – We Make Sure Inside Parts
The tube follows GUOYUE CD250 style.
Tube steel can be 45#, 42CrMo, or 27SiMn.
Hole is ground to H8 and feels smooth, Ra under 0.4 μm.
Head, base, ears, and piston are only 45# steel.
We do not use cast iron or cast steel. Slow-Down Parts
You can pick fixed bumpers or floating bumpers so the rod slows down safe at any speed or load. Welds
We hit every heavy-load weld with ultrasound.
This takes away most of the stress and makes the weld last longer. Seals
We only use top seals from NOK (Japan), Trelleborg (Sweden), Merkel and GP (Germany).
We do not use local seals. Checks
Each cylinder is tested to GB/T15622-2005 and our own Q/GAKY014-2023.
You get a test sheet and a pass paper. Promise
We give one year cover from ship date.
If it breaks because of how we made it, we fix or swap it for free.
This cylinder is strong. It uses thick steel and hard rod. It does not bend. The seal keeps oil in, no leak. It has many tubes that slide out one by one. It lifts high but stays short Advantages:
She’s the gentle giant who never forgets to breathe. A custom 180 mm bore and 110 mm rod give her the brawn to push mountains, while the 850 mm stroke lets her reach far without ever feeling stretched. The built-in seal groove hugs O-rings like a secret handshake—no leaks, no drama, just years of quiet loyalty. OEM curves mean she drops straight into your rig, no shims, no late-night swearing. From desert sun to polar frost, her chrome skin and tough seals laugh at weather and time. Day after day she murmurs, “Relax, I’ve got this,” and the crew believes her. Application scenes :
Picture sunrise on a dam site: twin gates yawn open, letting the first rush of meltwater glide through without a shiver downstream. Or a high-rise build where this cylinder lifts the climbing formwork one calm floor at a time while workers sip coffee above the clouds. From mining shovels biting iron earth to ship loaders stacking grain under harbor lights, she slips in, stretches tall, and keeps the rhythm smooth. Wherever big dreams need steady muscle and a soft touch, she’s already there, keeping tomorrow level and today worry-free.

Application	Engineering machinery, mine, shipping, metallurgy, water conservancy, offshore, agriculture, etc.
Seal	Parker, Merkel, NOK, Hallite,etc.
Paint	Red, Grey, Yellow, Black, etc.
Material	St52, CK45, 4140, Duplex2205, Stainless Steel 304/316, etc.
Certificate	ABS, Lloyds, SGS, etc.
Package	Bubble-wrap packing, then in wooden case.
Color	choose the color according to customer requirement
Core components	Bearing,Pressure vessel,Pump
Is it a standard part?	Nonstandard
Structure	Piston Type, Plunger Type, Telescopic Type,
Power	Hydraulic & Pneumatic
Brand	Guoyue
Sample	Available