Pro Series 12,000 lbs. Square Trailer Jack 26" Lift Drop Leg Non Spring Return Pin on Front
Model: 1400990376Strong, durable, and sturdy, the Pro Series 12,000 lbs. support capacity square jacks can be used on agricultural, construction, heavy-duty utility, and horse/livestock trailers. All Pro Series 4" square jacks are rated for 12,000 lbs. support capacity and 10,000 lbs. lift capacity. The strength of the product, plus the wide variety of styles, makes this jack the best choice in its product class.
Specifications:
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Support Capacity: 12,000 lbs.
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Lift Capacity: 10,000 lbs.
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Retracted Bracket Height: 28.25"
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Extended Bracket Height: 54.25"
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Travel/Lift: 12.5"
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This Jack is intended to be welded on directly onto your application
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Non-Spring Return Drop Leg w/ integrated footplate
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Drop Leg offers 13.50" of additional adjustment
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Drop Leg pull pin is on the front of the Jack, away from the handle
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4" Tubing width
Two of these Jacks can be used in tandem applications.
Recommended applications: PJ Downeaster Sundowner eby merhow Featherlite CM Kaufman Saratoga Classic Jamco 4 Star Sidekick Hawk Trail-et Sundowner Bri-Mar Big Tex Trails West Forest River Lexington dump construction equipment stock grain cart cherokee Trailerman cORN PRO McLander GatorMade Trailerman Cronkite Elite Boss Stillwater Brooks Bothers Horton$250 00
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$250 00
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Product Details
- Brand: Pro Series
- Model: 1400990376
- UPC: 783192027528
- Includes: 12000 lbs Square Jack
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Pro Series 12,000 lbs. Square Trailer Jack 26" Lift Drop Leg Non Spring Return Pin on Front Install Notes
Installation Instructions for 12,000 lb. Square Tube Jack
General Installation Notes:
- Read and understand all instructions before installation or use.
- Do not alter or modify the product. Install and use only as specified.
- Never position any part of the body under the product or the load being supported.
- Fully retract and/or rotate the jack before towing.
- Ensure the drop leg pin is fully inserted before using the jack.
- Keep children away from the product and the load being supported.
- Secure the load, vehicle, and trailer by blocking wheels during operation.
- Avoid excessive side forces to prevent jack failure.
- Replace any bent, broken, or worn parts before using the jack.
- Use only on flat surfaces. For tandem applications, align jacks to ensure equal load sharing.
- All welding must be performed by an AWS-certified welder.
Tools Required:
- Torque wrench
- Ratchet set
Step-by-Step Instructions:
Direct Mount to Load-Bearing Member:
- All welding must be performed by an AWS-certified welder.
- Place three 2-inch-long 1/4” fillet welds on both sides of the jack along the contacting surface. Ensure welds are spaced as far apart as possible to maximize strength.
- For tandem applications, align jacks carefully to ensure they raise and lower together while sharing the load equally.
Weld-On Pivot Tube Mounting:
- Position the non-beveled side of the pivot tube against the tongue.
- Weld all around the tube using a 1/4” fillet weld.
- Align one set of pivot mount holes vertically, mate the jack to the pivot tube, and secure with the supplied pin.
Drop Leg Operation:
Spring Return Drop Leg:
- Ensure the jack is not supporting any load.
- Place your foot on the footplate to control the return of the drop leg.
- Rotate the drop leg pin to the disengaged position and move the leg to the desired position.
- Re-engage the drop leg pin and verify it is fully seated, with no clearance between the pin and housing.
Non-Spring Return Drop Leg:
- Ensure the jack is not supporting any load.
- Grasp the handle of the footplate to control the fall of the drop leg.
- Disengage the drop leg pin and move the leg to the desired position.
- Re-engage the pin and verify it is fully seated with no clearance between the pin and housing.
Maintenance:
- Lubricate the gears, bushings, and screw annually with automotive grease.
- Apply lightweight oil to the input shaft bushings and drop leg pin assembly.
- Keep the drop leg pin and spring clean and lubricated.
Safety Notes:
- Fully retract and rotate the jack before towing.
- Always use the jack on a stable and level surface.
- Do not adjust the drop leg while the jack is under load.
- Replace bent, broken, or worn parts before using the jack.
Limited Warranty:
- Coverage: 1 year against defects in material and workmanship under normal use.
- Exclusions: Wear and tear, misuse, overloading, improper installation, and modifications.
- For complete warranty instructions, please download the full installation PDF.
Technical Support:
For technical support and assistance, our team of experts is available to help. You can reach our tech support by visiting www.trailerjacks.com or calling 877-869-6690.
Additional Information:
Attention: This is a summary of the installation procedure. For complete installation instructions, including diagrams and detailed information from the manufacturer, please download the full installation PDF.
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