








Bulldog 5K Round A-Frame Trailer Jack Topwind 15" Lift w/ 5K Collar-Lok Coupler for 2" Ball
Model: BTJC85Reliable Bulldog 5K A-Frame Jack & Collar-Lok Coupler Bundle
Upgrade your trailer setup with this high-quality Bulldog bundle. It features a 5,000 lb. capacity, round A-frame topwind jack with 15" of travel, plus a Bulldog Collar-Lok™ coupler for 2" balls. Whether you’re hauling cargo, livestock, or heavy equipment, this combination delivers proven durability and secure towing.
Bundle Contents:
- QTY (1): Round Trailer Jack, A-Frame, 5,000 lbs. Lift Capacity, Topwind, Bolt-On, 15 Inch Travel
- BULLDOG round jacks are recognized as the industry standard by leading agricultural, commercial, horse, livestock, and other trailer manufacturers.
- Proven reliability for long-term use at rated loads.
- Precision fitted parts for extra stability.
- Dependable vertical and side load capacity.
- Smooth, comfortable, ergonomic design.
- A-Frame models have grey painted outer and inner tubes.
- Custom finishes available upon request.
- QTY (1): Collar-Lok™ A-Frame Coupler, 2 Inch Diameter, 5,000 lbs. Capacity
- Designed for utility, horse/livestock, cargo, and construction trailer applications.
- Automatic and continuously tight ball fit design for secure towing.
- Easiest to use, with a hinged ball socket for easy hookup.
- Strong performance under static and dynamic loading conditions.
- Clear, visual indication of proper closure.
- Adjustable couplers maintain level operation with various tow vehicles.
For safe and efficient towing, always confirm that these components are compatible with your trailer’s original equipment. Regular inspection and maintenance are recommended to maximize performance and longevity.
Specifications: | |
---|---|
Weight Capacity | 3001-5000 Pounds |
Jack Mounting Style | A-Frame Triangular Center Mount |
Jack Groups | A-Frame Style Trailers |
Jack Style | A-Frame |
Lift Mechanism | Topwind Handle Crank |
Jack Travel Range | 15 Inch Lift |
Jack Finish | Gray Powdercoat |
Jack Static Load Capacity | 5000 LB Static Capacity |
Jack Lifting Load Capacity | 5000 LB Lift Capacity |
Jack Foot Type | Foot or Wheel Option |
Jack Leg Style | Fixed Leg |
Jack Swivel Type | Non Swivel |
Jack Outer Tube Diameter | 2.25 Inch Outer Tube |
Jack Shape | Round Jack |
Approx Bracket-to-Bottom Clearance (Retracted) | 10 Inch Bracket-to-Bottom Retracted |
Approx Bracket-to-Bottom Clearance (Extended) | 25 Inch Bracket-to-Bottom Extended |
Approx Bracket-to-Top Clearance | 10 Inch Bracket-to-Top Clearance |
Electric Lift | Non Electric |
Custom Bundle | No |
Exact Bracket-to-Bottom Clearance (Retracted) | 10.30 Inch |
Exact Bracket-to-Bottom Clearance (Extended) | 25.30 Inch |
Exact Bracket-to-Top Clearance | 10.20 Inch |
Inner Tubing Diameter | 2 Inch Inner Tube |
$180 99 $208.63 13% OFF
- Best Price on Web Guarantee
- Fastest Shipping
- FREE Shipping
- In Stock

We match lower prices from major authorized retailers for brand-new products in original packaging, provided the item is in stock. The competing seller must be an authorized, professional retail business; offers from
individuals, auctions, peer-to-peer sites, or unauthorized sellers don’t qualify. Used, refurbished, or open-box items are excluded.
Please see our full terms for details.
$208.63 $180 99
Questions? Call our Auto Experts at (877) 869-6690
Get it now, pay later
Select installments at checkout to split your purchase into 4 interest-free payments of $ every 2 weeks.
- No fees, ever.
- No impact on your credit score.
Payment options are offered by Affirm and are subject to an eligibility check and might not be available in all states. CA Residents: Loans by Affirm Loan Services, LLC are made or arranged pursuant to a California Finance Lender license.
Installments in partnership with
.
Affirm and its offerings are supported in English only. Translations are not provided by Affirm.
Product Details
- Brand: Bulldog
- Model: BTJC85
- Includes: A-Frame Jack, Trailer Coupler
Ask a Question about Bulldog 5K Round A-Frame Trailer Jack Topwind 15" Lift w/ 5K Collar-Lok Coupler for 2" Ball
Be the first to ask a question.
Description
Reliable Bulldog 5K A-Frame Jack & Collar-Lok Coupler Bundle
Upgrade your trailer setup with this high-quality Bulldog bundle. It features a 5,000 lb. capacity, round A-frame topwind jack with 15" of travel, plus a Bulldog Collar-Lok™ coupler for 2" balls. Whether you’re hauling cargo, livestock, or heavy equipment, this combination delivers proven durability and secure towing.
Bundle Contents:
- QTY (1): Round Trailer Jack, A-Frame, 5,000 lbs. Lift Capacity, Topwind, Bolt-On, 15 Inch Travel
- BULLDOG round jacks are recognized as the industry standard by leading agricultural, commercial, horse, livestock, and other trailer manufacturers.
- Proven reliability for long-term use at rated loads.
- Precision fitted parts for extra stability.
- Dependable vertical and side load capacity.
- Smooth, comfortable, ergonomic design.
- A-Frame models have grey painted outer and inner tubes.
- Custom finishes available upon request.
- QTY (1): Collar-Lok™ A-Frame Coupler, 2 Inch Diameter, 5,000 lbs. Capacity
- Designed for utility, horse/livestock, cargo, and construction trailer applications.
- Automatic and continuously tight ball fit design for secure towing.
- Easiest to use, with a hinged ball socket for easy hookup.
- Strong performance under static and dynamic loading conditions.
- Clear, visual indication of proper closure.
- Adjustable couplers maintain level operation with various tow vehicles.
For safe and efficient towing, always confirm that these components are compatible with your trailer’s original equipment. Regular inspection and maintenance are recommended to maximize performance and longevity.
Specifications: | |
---|---|
Weight Capacity | 3001-5000 Pounds |
Jack Mounting Style | A-Frame Triangular Center Mount |
Jack Groups | A-Frame Style Trailers |
Jack Style | A-Frame |
Lift Mechanism | Topwind Handle Crank |
Jack Travel Range | 15 Inch Lift |
Jack Finish | Gray Powdercoat |
Jack Static Load Capacity | 5000 LB Static Capacity |
Jack Lifting Load Capacity | 5000 LB Lift Capacity |
Jack Foot Type | Foot or Wheel Option |
Jack Leg Style | Fixed Leg |
Jack Swivel Type | Non Swivel |
Jack Outer Tube Diameter | 2.25 Inch Outer Tube |
Jack Shape | Round Jack |
Approx Bracket-to-Bottom Clearance (Retracted) | 10 Inch Bracket-to-Bottom Retracted |
Approx Bracket-to-Bottom Clearance (Extended) | 25 Inch Bracket-to-Bottom Extended |
Approx Bracket-to-Top Clearance | 10 Inch Bracket-to-Top Clearance |
Electric Lift | Non Electric |
Custom Bundle | No |
Exact Bracket-to-Bottom Clearance (Retracted) | 10.30 Inch |
Exact Bracket-to-Bottom Clearance (Extended) | 25.30 Inch |
Exact Bracket-to-Top Clearance | 10.20 Inch |
Inner Tubing Diameter | 2 Inch Inner Tube |