Cylinder HJ 300 H 30

Holmatro High Tonnage Cylinders (Jacks) are powerful hydraulic tools tailored for heavy lifting activities in industrial settings. With a lifting capacity ranging from 50 to 300 tons and an adjustable stroke length between 50 and 300 mm, these cylinders deliver substantial power and strength to easily handle demanding lifting tasks.

Standard supplied with:

    • High flow female coupler A118
    • Flat saddle
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Cylinder HJ 300 H 30
Cylinder HJ 300 H 30
Cylinder (standard) With Hydraulic Return
  • Cylinder HJ 300 H 30
  • Cylinder HJ 300 H 30
  • Cylinder (standard) With Hydraulic Return
Specifications
Details
Articlenumber 100.122.083
Basic specifications
model HJ 300 H 30
max. working pressure 720 / 72 (bar/Mpa) 10443 psi
Performance
tonnage 300 t 661387 lb
stroke 300 mm 11.8 in
closed height 547 mm 21.5 in
capacity 2933 kN / 299.1 t / 2933 / 299.1 (kN/t) 659365 lbf
effective pressure area (press) 415.5 cm2 64.4 sq. in.
effective pressure area (retract) 131.9 cm2 20.4 sq. in.
General specifications
required oil content (effective) 8520 cc 288.1 oz
required oil content (press) 12450 cc 421 oz
required oil content (retract) 3930 cc 132.9 oz
acting type double
return type hydraulic
material steel
cylinder type high tonnage
connection A 118
Dimensions, weight and temperature
weight, ready for use 360 kg 793.7 lb
Technical drawing dimensions
dimension A 547 mm 21.5 in
dimension B 316 mm 12.4 in
dimension C 190 mm 7.5 in
dimension D1 70 mm 2.8 in
dimension D2 85 mm 3.3 in
dimension E 80 mm 3.1 in
dimension F 540 mm 21.3 in
I type I-1
dimension P 75 mm 3 in
Features
  • Features & Benefits
    • Flat saddle; prevents damage to the plunger, easy to replace with tilting saddle
    • Protected against over pressure on return side; A418 valve
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