We recently acquired a large inventory of overstock items from a boat manufacturer. These products originally arrived in the manufacturer's packaging; however, in some cases, the original packaging may not be suitable for shipping and has been replaced with new packaging. Items may also show minor cosmetic blemishes due to storage.

Condition: New Other (New old stock / out of original box).
Included Component: Complete double-acting marine steering cylinder assembly.
Brand: Jastram Engineering Ltd.
Model Number: B-76-300.
Part Number Variant: (PLEASE BE ADVISED) JA-101020-6 (Specific commercial engineering revision). Engineering Note: This is the factory-upgraded -6 variant of the B-76-300 core cylinder, featuring specialized commercial porting/seal configurations. Please match this exact suffix to guarantee a direct drop-in fit for your system. We are unsure of the exact engineering change for this specific code and are currently reaching out to the manufacturer for more information on this -6 variant.
Cylinder Series Type: Model B Series Double-Acting Equal Displacement Actuator.
Application: Ship building, retrofits, and commercial marine hydraulic steering systems.
Cylinder Stroke: 300 mm (~11.8 inches).
Cylinder Bore Diameter: 76 mm (~3 inches).
Total Displacement Volume: 68.8 cubic inches (1127 cc).
Cylinder Material: Premium Marine Brass/Bronze Barrel Housing with a high-tensile Stainless Steel Rod.
Bearings: Self-aligning stainless steel spherical trunnion and stainless steel rod end bearings.
Bleed Ports: Integrated dual bleed ports located at both ends to ensure fast system purging and fluid filling.
Operating System Pressure: Optimized for manual or powered marine steering systems (typically rated up to 1000 PSI / 69 BAR peak calculation pressure).
Dry Weight: ~61.7 lbs (Base cylinder weight assembly).
Serviceability: Fully rebuildable design using standard Jastram replacement component seal kit JA-950004-1.
Certifications: Type approved by major IACS member classification societies for commercial vessel safety standards.