620-922012 Hardin HMMA2 series linear hatch actuator / hatch lift / hatch ram is the proven choice for applications requiring a durable, long life solution. Specifically designed for harsh working environments, the HMMA2 linear actuator is ideal for use in heavy-duty Marine installations . This linear actuator has been certified for applications requiring IP66D compliance and USCG approval. Its IP66D protection ensures it will withstand high temperature, high pressure water jets and the ingress of dust and other solid contaminants. This has also passed the 500 hour salt spray test . The HMMA2 linear actuator is DC power and a ball screw design. Features load limiting clutch or limit switches. Improved speed and torque over Acme screw designs. We are stocking three replacement lengths 12,18 and 24" for more information view our installation instructions.
- These are a direct replacement for 12" stroke Dana-Warner, Thomson, Livorsi brand
- Actual ram travel stroke is 10.39"
- Travels 1.5" per second under load, almost twice as fast as competing brands
- Spindle type "Ball Screw"
- Voltage: 12v DC
- Functions for Limit switches at full retracted/extended positions to cut current to prevent damage
- Overload clutch Standard on all models
- IP rating - IP66D
- UL73, EMC Certificate
- USCG approved
- Tinned Leads
- Safe working dynamic load limit of 550 lbs.*
- Billet black anodized extrusion shaft housing
*Static loading refers to the load on an actuator when it is in a fixed or stationary condition. The static load capacity of an actuator refers to how much weight the actuator can safely hold without back driving or causing damage.
Dynamic load is the load the actuator sees when it is powered and extending or retracting. The dynamic load capacity of an actuator refers to how much the actuator can push or pull. Placing an actuator closer to the hatch hinge point will require the actuator to work harder than installing it further out.
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620-922018 Hardin HMMA2 series linear hatch actuator / hatch lift / hatch ram is the proven choice for applications requiring a durable, long life solution. Specifically designed for harsh working environments, the HMMA2 linear actuator is ideal for use in heavy-duty Marine installations . This linear actuator has been certified for applications requiring IP66D compliance and USCG approval. Its IP66D protection ensures it will withstand high temperature, high pressure water jets and the ingress of dust and other solid contaminants. This has also passed the 500 hour salt spray test . The HMMA2 linear actuator is DC power and a ball screw design. Features load limiting clutch or limit switches. Improved speed and torque over Acme screw designs. We are stocking three replacement lengths 12,18 and 24" for more information view our installation instructions.
- These are a direct replacement for 18" stroke Dana-Warner, Thomson, Livorsi brand
- Actual ram travel stroke is 16.38"
- Travels 1.5" per second under load, almost twice as fast as competing brands
- Spindle type "Ball Screw"
- Voltage: 12v DC
- Functions for Limit switches at full retracted/extended positions to cut current to prevent damage
- Overload clutch Standard on all models
- IP rating - IP66D
- UL73, EMC Certificate
- USCG approved
- Tinned Leads
- Safe working dynamic load limit of 550 lbs.*
- Billet black anodized extrusion shaft housing
*Static loading refers to the load on an actuator when it is in a fixed or stationary condition. The static load capacity of an actuator refers to how much weight the actuator can safely hold without back driving or causing damage.
Dynamic load is the load the actuator sees when it is powered and extending or retracting. The dynamic load capacity of an actuator refers to how much the actuator can push or pull. Placing an actuator closer to the hatch hinge point will require the actuator to work harder than installing it further out.
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620-922024 Hardin HMMA2 series linear hatch actuator / hatch lift / hatch ram is the proven choice for applications requiring a durable, long life solution. Specifically designed for harsh working environments, the HMMA2 linear actuator is ideal for use in heavy-duty Marine installations . This linear actuator has been certified for applications requiring IP66D compliance and USCG approval. Its IP66D protection ensures it will withstand high temperature, high pressure water jets and the ingress of dust and other solid contaminants. This has also passed the 500 hour salt spray test . The HMMA2 linear actuator is DC power and a ball screw design. Features load limiting clutch or limit switches. Improved speed and torque over Acme screw designs. We are stocking three replacement lengths 12,18 and 24" for more information view our installation instructions.
- These are a direct replacement for 24" stroke Dana-Warner, Thomson, Livorsi brand
- Actual ram travel stroke is 22.4"
- Travels 1.5" per second under load, almost twice as fast as competing brands
- Spindle type "Ball Screw"
- Voltage: 12v DC
- Functions for Limit switches at full retracted/extended positions to cut current to prevent damage
- Overload clutch Standard on all models
- IP rating - IP66D
- UL73, EMC Certificate
- USCG approved
- Tinned Leads
- Safe working dynamic load limit of 550 lbs.*
- Billet black anodized extrusion shaft housing
*Static loading refers to the load on an actuator when it is in a fixed or stationary condition. The static load capacity of an actuator refers to how much weight the actuator can safely hold without back driving or causing damage.
Dynamic load is the load the actuator sees when it is powered and extending or retracting. The dynamic load capacity of an actuator refers to how much the actuator can push or pull. Placing an actuator closer to the hatch hinge point will require the actuator to work harder than installing it further out.
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730-SSA4
- 4" Stroke.
- Overall Length Closed is 11-7/8".
- Strong eyelet mount allows a wide range of angles for easy installation.
- Marine grade stainless steel housing
- Sealed precision die cast housing.
- 12 VDC
- Safe working dynamic load limit of 400 lbs.*
- Static Limit of 500 lbs.*
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Heavy duty, sealed ball bearing motor allows for locking of hatches, won’t open at high speeds
- NOTE: Please verify your dimensions. Actuators that have been installed are NON returnable!
*Static loading refers to the load on an actuator when it is in a fixed or stationary condition. The static load capacity of an actuator refers to how much weight the actuator can safely hold without back driving or causing damage.
Dynamic load is the load the actuator sees when it is powered and extending or retracting. The dynamic load capacity of an actuator refers to how much the actuator can push or pull. Placing an actuator closer to the hatch hinge point will require the actuator to work harder than installing it further out.
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730-SSA8
- 8" Stroke.
- Overall Length Closed is 15-7/8".
- Strong eyelet mount allows a wide range of angles for easy installation.
- Marine grade stainless steel housing
- Sealed precision die cast housing.
- 12 VDC
- Safe working dynamic load limit of 400 lbs.*
- Static Limit of 500 lbs.*
-
Heavy duty, sealed ball bearing motor allows for locking of hatches, won’t open at high speeds
- NOTE: Please verify your dimensions. Actuators that have been installed are NON returnable!
*Static loading refers to the load on an actuator when it is in a fixed or stationary condition. The static load capacity of an actuator refers to how much weight the actuator can safely hold without back driving or causing damage.
Dynamic load is the load the actuator sees when it is powered and extending or retracting. The dynamic load capacity of an actuator refers to how much the actuator can push or pull. Placing an actuator closer to the hatch hinge point will require the actuator to work harder than installing it further out.
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620-920120
- 12" Stroke.
- Overall Length Closed is 19-7/8".
- Strong eyelet mount allows a wide range of angles for easy installation.
- Marine grade stainless steel housing
- Sealed precision die cast housing.
- 12 VDC
- Safe working dynamic load limit of 400 lbs.*
- Static Limit of 500 lbs.*
-
Heavy duty, sealed ball bearing motor allows for locking of hatches, won’t open at high speeds
- Replaces Livorsi SSA12 actuator.
- NOTE: Please verify your dimensions. Actuators that have been installed are NON returnable!
*Static loading refers to the load on an actuator when it is in a fixed or stationary condition. The static load capacity of an actuator refers to how much weight the actuator can safely hold without back driving or causing damage.
Dynamic load is the load the actuator sees when it is powered and extending or retracting. The dynamic load capacity of an actuator refers to how much the actuator can push or pull. Placing an actuator closer to the hatch hinge point will require the actuator to work harder than installing it further out.
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This Part has options, please click the button below to order.
620-920024
- 24" Stroke.
- Overall Length Closed is 31-1/4".
- Strong eyelet mount allows a wide range of angles for easy installation.
- Marine grade stainless steel housing
- Sealed precision die cast housing.
- 12 VDC
- Safe working dynamic load limit of 400 lbs.*
- Static Limit of 500 lbs.*
-
Heavy duty, sealed ball bearing motor allows for locking of hatches, won’t open at high speeds
- Replaces Livorsi SSA24 actuator.
- NOTE: Please verify your dimensions. Actuators that have been installed are NON returnable!
*Static loading refers to the load on an actuator when it is in a fixed or stationary condition. The static load capacity of an actuator refers to how much weight the actuator can safely hold without back driving or causing damage.
Dynamic load is the load the actuator sees when it is powered and extending or retracting. The dynamic load capacity of an actuator refers to how much the actuator can push or pull. Placing an actuator closer to the hatch hinge point will require the actuator to work harder than installing it further out.
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620-921018
- Marine grade stainless steel & aluminum construction
- 12 DC sealed electric motors, 2-wire simple hook-ups
- Compact Size, Light Weight, for Maximum Lifting Capacity
- Two Standard Length Cylinders with Simple Pin Mounts
- Heavy Duty Aluminum Clevis Mounts for Hatch and Stringer
- Smooth Quiet Responsive Hydraulic Action with No-Coasting
- Moving Capacity 500 lbs. on horizontal surface. Will lift 250lb hatch when mounted vertically.
- 1” Cylinder.
- System is virtually maintenance free
- Operating Temperatures 10 to 165 Degrees F
- System can Operate with Environmentally Responsible Fluid
- 18" Model Dimensions: 26” Retracted Length, 44” Extended Length.
- NOTE: The 620-920016 is only bracket kit that will work with this ram. Most Brackets, pins and accelerators sold separately in the section WILL NOT WORK with this actuator.
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This Part has options, please click the button below to order.
620-921024
- Marine grade stainless steel & aluminum construction.
- 12 DC sealed electric motors, 2-wire simple hook-ups.
- Compact Size, Light Weight, for Maximum Lifting Capacity.
- Two Standard Length Cylinders with Simple Pin Mounts.
- Heavy Duty Aluminum Clevis Mounts for Hatch and Stringer.
- Smooth Quiet Responsive Hydraulic Action with No-Coasting.
- Moving Capacity 500 lbs. on horizontal surface. Will lift 250 lb hatch when mounted vertically.
- 1” Cylinder.
- System is virtually maintenance free.
- Operating Temperatures 10 to 165 Degrees F.
- System can Operate with Environmentally Responsible Fluid.
- 24" Model Dimensions: 32” Retracted Length, 56” Extended Length.
- NOTE: The 620-920016 is only bracket that will work with this ram. Most Brackets, pins and accelerators sold separately in the section WILL NOT WORK with this actuator.
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620-434
- For use with Single or Dual Actuator.
- Transfers the electric load from your dash accessories to the accelerator box, increasing the total voltage to the hatch actuator is greatly increased.
- Accelerates hatch opening and closing.
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This Part has options, please click the button below to order.
620-436 This module changes the direction of the motor, and dynamic breaking stops the motor when the switch returns to “OFF”. The low profile is perfect for tighter spaces and the hardware is completely corrosive resistant. It’s ideal for tarp or lift applications, as well as for hoists, hatches, winches, slowpows, intake/exhaust fans, vehicle outriggers, and other reversing applications.
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620-920013
- Lessens stress put on mounting bracket.
- Prevents damage to your mounting bracket.
- Stops the hatch ram from over-contracting.
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620-921013
- Lessens stress put on mounting bracket.
- Prevents damage to your mounting bracket.
- Stops the hatch ram from over-contracting.
- Only to be used on 620-921018 and 620-921024.
ID: 1 1/4”
OD: 5/8”
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620-920010
- Highly polished heavy gauge stainless steel.
- Sold Each.
- Fits Hardin Marine hatch actuators.
- Includes a 1/2" stainless steel actuator mounting bolt, washers and locknut.
- Fasteners for mounting the bracket to the boat and hatch are NOT included.
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620-920016
- Highly polished heavy gauge stainless steel.
- Sold Each.
- Fits Hardin Marine hydraulic hatch actuators.
- Includes a 1/2" stainless steel actuator mounting bolt, washers, bushings and locknut.
- Fasteners for mounting the bracket to the boat and hatch are NOT included.
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620-920015
- Highly polished heavy gauge stainless steel.
- Fit Hardin Marine hatch actuators.
- Extension is adjustable from 1 to 3 inches longer.
- ID of extension tube is 1-1/8"
- Fasteners for mounting the bracket to the boat and hatch are NOT included.
- Use with our hatch rams 620-920018, 620-920024, 730-SSA4, 730-SSA8, 730-SSA12, 730-SSA16.
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620-920014
- Extension is adjustable from 1 to 3 inches longer.
- Comes with mounting hardware.
- Extension for our hatch rams 620-920018, 620-920024, 730-SSA4, 730-SSA8, 730-SSA12, 730-SSA16.
- Inside Diameter is 1.150"
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620-920005
Replacement electric motor only. Fits many Livorsi hatch ram, Warner Hatch ram, Hardin Hatch ram and Thomson
Hatch ram models. Mounting Bolt Center to Center is 2"
NOTE: These are NEW "Old Stock" Items and are NON-RETURNABLE. Make sure this will fit your application before purchasing!
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620-920011
- Stainless steel pin and billet aluminum handle.
- Designed to be used in conjunction with the Hardin Marine hatch rams and mounting brackets.
- Quick and easy way to release the hatch ram for hatch removal or full range opening.
- Can also be used to release the hatch ram in the event of battery failure provided you have an access panel within easy reach of the pin.
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620-920012
- 3-position Momentary On/Off/Momentary On
- This switch is designed to be used for hatch rams and actuators.
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