Product » Cylinder
YDH Series Hollow Plunger Cylinders
Double-Acting, Hydraulic Return
30-140 tons capacity
1.5-10.13" stroke(38-258mm)
Central Hole Diameter 1.13-3.13"(33.3-79.2 mm)
Max. Pressure 10000 psi (700bar)
1. Collar threads supply an easy fixture.
2. With different mounting attachment, the application possibilities are greatly extended.
3. Special designed cup seal provides for steady and durable performance.
4. High strength alloy steel body is durable for long working life.
5. Chrome plated rod prevent rust and corrosion.

YDH Series Hollow Cylinder Specification Sheet (Imperial)
Model No. Stroke 
(in)
Oil Capacity  
(in³)
Cylinder Effective Area
(in²)
Max. Cylinder 
Capacity
(tons)
Weight
(lbs)
Advance Retract Advance Retract Advance Retract
YDH-307 7 50.55 32.99 7.22 4.71 36 24 48
YDH-3010 10.13 73.12 47.71 7.22 4.71 36 24 60
YDH-603 3.5 44.57 29.21 12.73 8.37 64 42 62
YDH-606 6.5 82.77 54.24 12.73 8.37 64 42 78
YDH-6010 10.12 128.94 84.49 12.73 8.37 64 42 101
YDH-1001 1.5 30.94 20.32 20.63 13.54 103 68 85
YDH-1003 3 61.88 40.64 20.63 13.54 103 68 135
YDH-1006 6 123.76 81.29 20.63 13.54 103 68 175
YDH-10010 10.13 208.84 137.17 20.63 13.54 103 68 235
YDH-1508 8 252.97 127.23 31.62 15.91 158 80 245

YDH Series Hollow Cylinder Specification Sheet (Metric)
Model No. Stroke
 (mm)
Oil Capacity  
(cm³)
Cylinder Effective Area 
(cm²)

Max. Cylinder 
Capacity
(tons)
Weight
(kg)
Advance Retract Advance Retract Advance Retract
YDH-307 178 829 541 46,6 30,4 36 24 21
YDH-3010 258 1202 784 46,6 30,4 36 24 27
YDH-603 89 733 482 82,3 54,2 64 42 28
YDH-606 166 1366 900 82,3 54,2 64 42 35
YDH-6010 257 2115 1393 82,3 54,2 64 42 45
YDH-1001 38 505 333 133,0 87,4 103 68 33
YDH-1003 76 1011 666 133,0 87,4 103 68 61
YDH-1006 153 2035 1337 133,0 87,4 103 68 79
YDH-10010 257 3420 2246 133,0 87,4 103 68 106
YDH-1508 203 4144 2083 204,1 102,6 158 80 111

YDH Series Hollow Cylinder Dimensions Sheet (Imperial)
Model No. A
Collapsed
Height
(in)
B
Ext. 
Height
(in)
D
Outside 
Dia.
(in)
E
Cylinder
Bore 
Dia.
(in)
F
Plunger
Dia.
(in)
H
Cylinder
 Base
 to
 Advance 
Port 
(in)
I
Cylinder 
Top
to 
Return
Port 
(in)
J
Saddle 
Dia.

(in)
K
Saddle 
Protrusion
from 
Plunger
(in)
O
Plunger Internal
Thread (UN)
P
Plunger
Thread
Length
(in)
W
Collar
Thread(un)

 
X
Collar
Thread
Length
(in)
Y
Center 
Hole
Dia. 
(in)
YDH-307 13 20 4.5 3.5 2.5 1 2.38 2.5 0.38 1 13/16"-16 0.88 4 1/2"-12 1.66 1.31
YDH-3010 17 27.13 4.5 3.5 2.5 1 2.38 2.5 0.38 1 13/16"-16 0.88 4 1/2"-12 1.66 1.31
YDH-603 9.75 13.25 6.25 4.88 3.63 1.25 2.63 3.61 0.5 2 3/4"-16 0.75 6 1/4"-12 1.91 2.13
YDH-606 12.75 19.25 6.25 4.88 3.63 1.25 2.63 3.61 0.5 2 3/4"-16 0.75 6 1/4"-12 1.91 2.13
YDH-6010 17.25 27.38 6.25 4.88 3.63 1.25 2.63 3.61 0.5 2 3/4"-16 0.75 6 1/4"-12 1.91 2.13
YDH-1001 6.5 8 8.38 6.5 5 1.5 1.75 4.97 0.5 4"-16 1 3.13
YDH-1003 10 13 8.38 6.5 5 1.5 3.38 4.97 0.5 4"-16 1 8 3/8"-12 2.38 3.13
YDH-1006 13.5 19.5 8.38 6.5 5 1.5 3.38 4.97 0.5 4"-16 1 8 3/8"-12 2.38 3.13
YDH-10010 18.13 28.25 8.38 6.5 5 1.5 3.38 4.97 0.5 4"-16 1 8 3/8"-12 2.38 3.13
YDH-1508 13.75 21.75 9.75 7.5 6 1.5 2.38 5 0.19 4 1/4"-12 1 3.13

Model No. U
Bolt Circle 
(mm)

 
V
Thread

 
Z
Thread
Depth
(in)

 
YDH-307 3.63 3/8” - 16 0.62
YDH-3010 3.63 3/8” - 16 0.62
YDH-603 5.12 1/2” - 13 0.55
YDH-606 5.12 1/2” - 13 0.55
YDH-6010 5.12 1/2” - 13 0.55
YDH-1001 7 5/8” - 11 0.75
YDH-1003 7 5/8” - 11 0.75
YDH-1006 7 5/8” - 11 0.75
YDH-10010 7 5/8” - 11 0.75
YDH-1508
 


YDH Series Hollow Cylinder Dimensions Sheet  (Metric)
Model No.
A
Collapsed
.Height
(mm)
B
Ext. 
Height
(mm)
D
Outside 
Dia.
(mm)

E
Cylinder
Bore 
Dia.
(mm)
F
Plunger
Dia.
(mm)


H
Cylinder 
Base
 to
 Advance 
Port (mm)



I
Cylinder 
Top
to 
Return
Port 
(mm)
J
Saddle 
Dia.
(mm)


K
Saddle 
Protrusion
from 
Plunger
(mm)
O
Plunger Internal
Thread (UN)

P
Plunger
Thread
Length
(mm)
W
Collar
Thread
 

X
Collar
Thread
Length
(mm)

Y
Center 
Hole
Dia. 
(mm)
YDH-307 330 508 114 88,9 63,5 25 60 63 9 1 13/16"-16 22 4 1/2"- 12 42 33.3
YDH-3010 431 689 114 88,9 63,5 25 60 63 9 1 13/16"-16 22 4 1/2"- 12 42 33.3
YDH-603 247 336 159 123,9 91,9 31 66 91 12 2 3/4"-16 19 6 1/4"-12 48 53.8
YDH-606 323 489 159 123,9 91,9 31 66 91 12 2 3/4"-16 19 6 1/4"-12 48 53.8
YDH-6010 438 695 159 123,9 91,9 31 66 91 12 2 3/4"-16 19 6 1/4"-12 48 53.8
YDH-1001 165 203 212 165,1 127,0 38 44 126 12 4"- 16 25 79.2
YDH-1003 254 330 212 165,1 127,0 38 85 126 12 4"- 16 25 8 3/8"-12 60 79.2
YDH-1006 342 495 212 165,1 127,0 38 85 126 12 4"- 16 25 8 3/8"-12 60 79.2
YDH-10010 460 717 212 165,1 127,0 38 85 126 12 4"- 16 25 8 3/8"-12 60 79.2
YDH-1508 349 552 247 190,5 152,4 38 60 127 4 4 1/4"- 12 25 79.2


Model No. U
Bolt Circle 
(mm)
      
V
Thread

 
Z
Thread Depth
(mm)
       
YDH-307 92.2 3/8” - 16 15.7
YDH-3010 92.2 3/8” - 16 15.7
YDH-603 130.0 1/2” - 13 14.0
YDH-606 130.0 1/2” - 13 14.0
YDH-6010 130.0 1/2” - 13 14.0
YDH-1001 177.8 5/8” - 11 19.0
YDH-1003 177.8 5/8” - 11 19,0
YDH-1006 177.8 5/8” - 11 19.0
YDH-10010 177.8 5/8” - 11 19.0
YDH-1508