Bulldog 5,000 lbs. Round Pipe Mount Swivel Trailer Jack Sidewind 15" Lift w/ Pull Pin
Model: 178203BULLDOG round jacks are recognized as the industry standard by leading agricultural, commercial, horse, livestock, and other trailer manufacturers. For more than three quarters of a century, BULLDOG jacks have been demonstrated to be the most reliable, field-proven jacks on the market.
Smooth, comfortable, ergonomic design
Dependable vertical and side load capacity
Proven reliability for long term use at rated loads
Precision fitted parts for extra stability
Grey painted outer and clear zinc inner tube
Limited 5-year warranty
Specifications:
Lift Capacity: 5,000 lbs.
Retracted Bracket Height: 15.40"
Extended Bracket Height: 30.40"
Travel/Lift: 10"
Clearance: 6.40" from bracket to top
Weld-On Tubular Mount
Male Mount Included
5/8" pin and foot plate
Handle Radius: 5.80"
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Product Details
- Brand: Bulldog
- Model: 178203
- Includes: Round Pipe Mount Swivel Jack
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Bulldog 5,000 lbs. Round Pipe Mount Swivel Trailer Jack Sidewind 15" Lift w/ Pull Pin Install Notes
Installation Instructions for Tongue Jacks
Tools Required:
- Ratchet
- Socket set
- Torque wrench
Step-by-Step Instructions:
General Installation Notes:
- Confirm there will be no interference from the tow vehicle, tongue, ground, or mounted accessories in all operational positions (stationary or in motion).
- Verify there is no obstruction in handle swing and swivel positions before and after installation.
Bolt-On Rack Jack Installation:
- Place the gear housing on the tongue and insert supplied bolts into the holes corresponding to the tongue width.
- Position the mounting bracket below the tongue, ensuring the flat surface faces the tongue.
- Secure with locknuts and torque to 25 ft-lbs.
Bolt-On Mounting Bracket Instructions:
- Ensure the correct mounting hole pattern for your tongue size.
- Place the jack against the tongue and position the mounting straps on the opposite side of the tongue.
- Insert four bolts through the mounting bracket and straps. The upper bolts should rest on the tongue top, and the lower bolts should be less than 1/16” from the bottom.
- Secure with locknuts and torque to 25 ft-lbs.
Snap Ring/Bolt-Through Instructions:
- Snap Ring Models:
- Place the jack bracket over the mount and fully seat the snap ring into the groove.
- Bolt-Through Models:
- Insert the jack bracket into the recessed opening on the mount.
- Place the small end of the bushing into the jack bracket and onto the bolt.
- Tighten the locknut until there is minimal movement in the bushing.
A-Plate Mounting Instructions (Bolt-On or Weld-On):
- Welding must be performed by an AWS-certified welder.
- Align the jack and foot (if equipped) with the coupler before welding.
- For Bolt-On Applications:
- Use three 3/8"-16 grade-5 bolts with washers.
- Torque bolts to 15-20 ft-lbs.
- Weld the recommended support plate to the trailer frame bottom using a 3/16” fillet weld.
Direct-Mount Instructions:
- Weld the jack in two places on each side using a 3/16” fillet weld.
Safety Notes:
- Fully retract and rotate the jack before towing.
- Never exceed the rated capacity of the jack, footplate, or caster wheel.
- Avoid applying side forces as they may cause jack failure.
- Ensure all locking mechanisms (plunger pins, snap rings) are properly engaged.
- Do not adjust the drop foot or leg while under load.
- Always replace damaged or worn parts before use.
Maintenance:
- Side-Wind Models:
- Lubricate internal gearing and bushings with automotive grease.
- Apply light oil to the handle unit on both sides of the tube.
- Top-Wind Models:
- Apply light oil to the screw stem.
- In marine environments, flush the jack assembly with fresh water and reapply lubricant.
Warranty Information:
- Coverage: 5 years unless otherwise specified.
- Exclusions: Normal wear, misuse, overloading, improper installation, and unauthorized modifications.
- For complete warranty instructions, please download the full installation PDF.
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.
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.
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