Bulldog 8,000 lbs. Square Trailer Jack Topwind 15" Lift Drop Leg w/ Footplate
Model: 190704SQUARE JACKS BULLDOG’s 8,000 lbs. support capacity square jack serves the agricultural, industrial, construction, horse/livestock trailer, and utility/cargo trailer markets. The compact design of these jacks makes them ideal for tight-fitting applications where 3" and 4" square tube jacks are too big!
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Use the painted outer tube as the final finish or primer
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Zinc-plated inner tube
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4.7" Outer / inner tube overlap - results in optimal side load performance
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5/8" screw stem - provides insurance against screw stem twisting off
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Patented screw nut stop - prevents screw and/or nut damage when jack is fully extended
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Limited 5-year warranty
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ASABE Compliant
Specifications:
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Support Capacity: 8,000 lbs.
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Lift Capacity: 5,000 lbs.
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Retracted Bracket Height: 22.66"
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Extended Bracket Height: 51.41"
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Travel/Lift: 15"
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This Jack is intended to be welded on directly onto your application
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Drop Leg w/ heavy-duty base (Drop Leg offers 13.50" of additional adjustment)
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Handle included
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Handle Radius: 9"
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Topwind model - bushing in top cap, eagle claw grip
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2-1/2" Tubing width
$110 41 $133.75 17% OFF
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$133.75 $110 41
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Product Details
- Brand: Bulldog
- Model: 190704
- UPC: 086693907048
- Includes: 8K Drop Leg Jack
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Bulldog 8,000 lbs. Square Trailer Jack Topwind 15" Lift Drop Leg w/ Footplate Install Notes
Installation Instructions for Tongue Jacks
Part Numbers:
- Not specified in the provided text.
Wiring Access Location:
- Not applicable.
Tools Required:
- Wrenches: None specified.
- Torque wrench (25 ft. lbs.)
Step-by-Step Instructions:
Bolt-On Rack Jack Instructions:
- Place the gear housing on the tongue, inserting supplied bolts into the holes corresponding to the tongue width.
- Place the mounting bracket below the tongue with the flat surface against the tongue.
- Secure with locknuts and torque to 25 ft. lbs.
Bolt-On Mounting Bracket Instructions:
- Align the mounting bracket with the correct hole pattern for your tongue size. Ensure the gap between the mounting bolts and tongue is no more than 1/16".
- Position the jack against the tongue and align the holes in the mounting bracket with the mounting straps.
- Insert 4 bolts through the mounting bracket and straps, ensuring bolts rest appropriately on the tongue.
- Secure with locknuts and torque to 25 ft. lbs.
- Check for clearance of handle, trailer light cables, and coupler.
Snap Ring/Bolt-Thru Instructions:
- For a snap ring model, place the jack bracket over the mount and seat the snap ring fully into the groove.
- For a bolt-thru model, position the jack bracket into the recessed opening on the mount, place the bushing, and tighten the locknut until minimal movement is detected.
"A" Plate Mounting Instructions (Bolt-On or Weld-On):
- Perform all welding by an AWS-certified welder.
- Align the jack with the coupler before welding, using a 3/16" fillet weld.
- Attach the "A" plate to the coupler using 3/8-16 Grade 5 bolts, torque to 15-20 ft. lbs.
- Weld the recommended support plate to the trailer frame bottom.
Direct-Mount Instructions:
- Perform all welding by an AWS-certified welder.
- Position the jack and weld 1" on two locations on each side using a 3/16" fillet weld.
Hardware List:
- Bolts: 4 (provided, size not specified)
- Locknuts: 4 (provided)
Safety Notes:
- Fully retract and rotate the jack before towing.
- Remove drop foot or caster before towing.
- Avoid side forces to prevent jack failure.
- Use only as designed; do not modify the product.
- Replace damaged or worn parts before use.
- Always secure the load, trailer, and vehicle to prevent rolling.
- Do not exceed maximum rated capacity (refer to product markings).
Specifications:
- Torque specifications: 25 ft. lbs.
- Welding requirements: AWS-certified welder.
- Mounting clearances: Gap not exceeding 1/16".
Maintenance:
- Annually lubricate internal gearing and bushings with automotive grease.
- Apply lightweight oil to handle units and moving parts.
- In marine environments, flush with fresh water and reapply lubricants.
For 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.
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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