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Star's experience making tough, dependable hydraulic cylinders has helped us design and build an equally tough line of standard and custom pneumatic cylinders to meet the demanding requirements of the trucking industry.

These pneumatic, mobile cylinders are typically used in tail-gate lock applications for short and long-haul trailers, dump trucks, live bottom grain haulers and gravel haulers. They are built for rugged performance and dependability to meet the demands of the open road.
Unit of Measure


Bore Size

N/A 2.5 in

Stroke Length

N/A 4.0 in

Rod Diameter (Fractional)

N/A 5/8 in

Rod Diameter (Decimal)

N/A 0.63 in

Port Size

N/A 1/4 in

Port Thread Type

N/A National Pipe Thread (NPT)

Thread Size

N/A 5/8 in. - 18

Pin Size

N/A 1/2 in

Working Pressure

N/A 150 psi

Industry Standards

N/A ISO 9001 (International Organization for Standardization)

Dimensional Data

Dimension A

N/A 3.00 in

Dimension B

N/A 1.63 in

Dimension C

N/A 1.00 in

Dimension D

N/A 8.25 in

Dimension E

N/A 0.50 in

Dimension F

N/A 5.56 in

Dimension G

N/A 1.34 in

Dimensional Drawing

Tailgate Lock Pneumatic Cylinders - 2


Additional Features

N/A Maintenance Free, Service Free, Worry Free.

Balance of Toughness and Weight

N/A Rugged high-tensile steel rods with corrosion resistant plating, steel tie rods, mounting bracket and clevis attachments. An aluminum cylinder body and endcap design for light weight.

All Weather Performance

N/A The aluminum cylinder body and endcaps provide corrosion resistance. Seals and other components are selected for the best performance over a wide temperature range including the selection of seals for low temperature operation.

Superior Reliability

N/A "Less is best" design using minimal parts for maximum reliability.

Easy To Install

N/A Valve, clevis and fitting kits available for fast, easy installation.

Additional Information

Additional Information

N/A At Star, we take our ISO 9001 certification very seriously so that you can rely on consistently excellent quality. We take pride in our customer service and our ability to reduce lead-times on production orders as well as meet promised delivery dates.



N/A Custom stroke lengths are available upon request