Crane Counterweight Hydraulic Cylinder
A crane counterweight hydraulic cylinder is a type of hydraulic cylinder that is used to raise and lower the counterweight on a crane. The counterweight is a heavy weight that is placed at the back of the crane to help balance the load that the crane is lifting. The hydraulic cylinder uses pressurized oil to extend and retract the piston, which raises and lowers the counterweight.
The crane counterweight hydraulic cylinder is an important safety feature that helps to prevent the crane from tipping over. When the crane is lifting a load, the weight of the load is balanced by the weight of the counterweight. If the counterweight is not properly balanced, the crane could tip over.
The crane counterweight hydraulic cylinder is also important for the efficiency of the crane. When the counterweight is raised, the crane can lift a heavier load. When the counterweight is lowered, the crane can lift a lighter load. This allows the crane to be used for a wider range of tasks.
The crane counterweight hydraulic cylinder is a complex and precision-engineered component. It must be able to withstand the weight of the counterweight and the forces generated by the hydraulic system. It must also be able to operate smoothly and reliably.
Here are some of the key features of a crane counterweight hydraulic cylinder:
The crane counterweight hydraulic cylinder is a vital component of the crane. It helps to keep the crane safe and efficient, and it allows the crane to be used for a wider range of tasks.

![]() | ![]() |
| Cylinder Name | Drawing number | Bore diameter (D) | Rod diameter (d) | Stroke (S) | Installation distance (L) | Working pressure | Interface dimensions (M) | Weight |
| Counterweight hydraulic cylinder | QAY220.12/13A-00 | Φ200 | Φ100 | 180 | 530 | 25MPa;40MPa | 3-G1/4;M20*1.5;2-M14*1.5 | 124kg |
| Item | Description |
| Product Name | Custom-made hydraulic Cylinder |
| Certificate: | ISO9001, ISO4001, ISO 45003 |
| Production Capacity: | 1200,000 pcs per year |
| Sample Time | Based actual type |
| Brand | EPT or customer's logo |
| Service | OEM & ODM |
| Seal brand | Parker,NOK, BUSAK SHAMBAN |
| Delivery Time | Based on order quantity. |
| Business Type | Manufacturer & Exporter |
The crane counterbalance hydraulic cylinder is a complex system that requires precise control to function properly. The amount of fluid that is pumped into the cylinder is carefully regulated by a counterbalance valve. This valve ensures that the counterweight moves up at a controlled rate and does not overshoot its target position.
The crane counterbalance hydraulic cylinder is made up of the following parts:
When the crane operator lifts a load, the hydraulic pump sends pressurized fluid to the cylinder. The fluid enters the cylinder through the hydraulic hose and pushes on the piston. The piston moves up, which moves the counterweight up. This helps to balance the weight of the load and prevent the crane from tipping over.
The counterbalance valve ensures that the piston moves up at a controlled rate. The valve has a spring-loaded plunger that opens and closes to regulate the flow of fluid into the cylinder. When the plunger is fully open, the fluid flows freely into the cylinder, and the piston moves up quickly. When the plunger is partially closed, the fluid flows more slowly and the piston moves up more slowly.
The counterbalance hydraulic cylinder is a vital safety feature of a hydraulic crane. It helps to prevent accidents and injuries by keeping the crane stable during lifting operations.

![]() | ![]() |
| KOMATSU (PC) | PC30,PC40,PC50,PC56,PC60,PC78,PC100,PC110,PC120,PC130,PC160,PC200-3/5/6/7/8/8MO,PC210,PC220-5/6/7/8/8MO,PC240,PC300/350/360-5/6/7/8/8MO,PC400/450-5/6/7/8/8MO,PC800,PC850 |
| CATERPILLAR (E) | E301.5,E302,E305.5,E306,E307V1/V2/B/C/D/E/F,E308B/C,E120B,E312V1/V2/B/C/D,E313D2,E312D2,E315D,E200B,E320V1/V2/A/B/C/D,E324D,E325C/D,E329D,E330/336C/D,E345C,E349D,E365C,E374,E390 |
| KOBELCO (SK) | SK60-3/5/8,SK75-8/SR, SK100 ,SK120-3/5, SK135-8/SR, SK140-8, SK200-3/5/6/6E, SK210-3/5/6/6E,SK230/250-6E,SK250-8,SK260-8,SK350-8/S8,SK460/480-8 |
| HYUNDAI (R) | R55-5/7, R60-5/7, R80, R110,R130, R200-5, R210-5, R215-5/7,R220-5/7/9, R225-5/7/9, R250,R260,R265,R290,R305,R445,R485, R505 |
| HITACHI (EX.ZX) | EX60,EX100-1/2/3,EX120-1/3/5/6,EX200-1/3/5,EX230-5,EX300-1,EX400ZAX60,ZAX70,ZA120-6,ZAX200/210-1/3/5/5K,ZAX240,ZAX250,ZAX260,ZAX330-3/5/6,ZAX450/470,ZAX650/670,ZAX850/870 |
DOOSAN (DH/DX) | DH55, DH60, DH80,DH150, DH215-5/7,DH220-5,DH225-5/7,DH258,DH300-5/7, DH370,DH420,DH500DX55,DX60,DX75,DX130,DX225-9,DX300,DX380,DX420,DX500 |
VOLVO (EC) | EC55 ,EC60,EC75,EC80,EC140 ,EC210B/D,EC220D,EC240 ,EC250,EC290,EC300, EC360 EC380,EC460,EC480,EC700,EC750,EC950 |
KATO (HD) | HD307/308,HD450,HD512,HD700-5/7,HD820-1/2/3/5/R,HD1023-1/3,HD1430-1/3 |
OTHER BRAND | XCMG,LIUGONG,KUBOTA,CASE,YANMAR,SUNWARD,ZOOMLION,LISHIDE,LIEHERR |
Address
Luotuo Industrial Area, Zhenhai District, Ningbo City, China
Tel
