








Bulldog 5K A-Frame Trailer Jack 15" Lift Sidewind w/ 5K Collar-Lok Coupler for 2" Ball
Model: BTJC145Bulldog 5K A‑Frame Trailer Jack & 5K Collar‑Lok 2″ Coupler Bundle
Upgrade your trailer’s front‑end with this heavy‑duty Bulldog bundle. It pairs a 5,000 lb‑rated side‑wind A‑frame jack with Bulldog’s proven 5K Collar‑Lok™ coupler, giving you reliable lifting power and a secure, automatically tight ball fit—perfect for utility, cargo, livestock and construction trailers.
Bundle Contents:
- QTY (1): Round Trailer Jack, A‑Frame, 5,000 lb Lift, Side‑wind, 15″ Travel
- Industry‑standard Bulldog quality—trusted for 75+ years
- 15″ travel with smooth, ergonomic side‑wind crank
- 5,000 lb lift & static capacity for heavy tongue weights
- Precision‑fitted parts add stability and long service life
- Grey powder‑coat outer tube resists corrosion
- Bolt‑on A‑frame mount; footplate or wheel sold separately
- QTY (1): Bulldog Collar‑Lok™ A‑Frame Coupler, 2″ Ball, 5,000 lb Capacity
- Automatic Collar‑Lok latch keeps a constant tight ball fit
- 5,000 lb rating handles demanding static & dynamic loads
- Hinged ball socket simplifies hook‑up
- Clear visual indicator confirms full closure
- Adjustable A‑frame mount for level towing
- Ideal for utility, cargo, horse & construction trailers
Always verify your trailer’s original equipment ratings, perform regular lubrication and inspection, and tighten mounting hardware per manufacturer torque specs.
Specifications: | |
---|---|
Weight Capacity | 3001 – 5000 lb |
Jack Mounting Style | A‑Frame Triangular Center Mount |
Jack Group | A‑Frame Style Trailers |
Jack Style | A‑Frame, Round Tube |
Lift Mechanism | Side‑wind Handle Crank |
Travel Range | 15″ Lift |
Finish | Gray Powder‑coat |
Static Load Capacity | 5,000 lb |
Lifting Load Capacity | 5,000 lb |
Foot Type | Foot or Wheel Option |
Leg Style | Fixed |
Swivel | Non‑Swivel |
Outer Tube Diameter | 2.25″ |
Bracket‑to‑Bottom (Retracted) | 9″ (exact 8.60″) |
Bracket‑to‑Bottom (Extended) | 24″ (exact 23.60″) |
Bracket‑to‑Top Clearance | 13″ (exact 12.75″) |
Electric Lift | None (Manual) |
Custom Bundle | No |
Inner Tube Diameter | 2″ |
$211 55 $274.40 23% OFF
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$274.40 $211 55
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Product Details
- Brand: Bulldog
- Model: BTJC145
- Includes: A-Frame Jack, Trailer Coupler
Bulldog 5K A‑Frame Trailer Jack & 5K Collar‑Lok 2″ Coupler Bundle
Upgrade your trailer’s front‑end with this heavy‑duty Bulldog bundle. It pairs a 5,000 lb‑rated side‑wind A‑frame jack with Bulldog’s proven 5K Collar‑Lok™ coupler, giving you reliable lifting power and a secure, automatically tight ball fit—perfect for utility, cargo, livestock and construction trailers.
Bundle Contents:
- QTY (1): Round Trailer Jack, A‑Frame, 5,000 lb Lift, Side‑wind, 15″ Travel
- Industry‑standard Bulldog quality—trusted for 75+ years
- 15″ travel with smooth, ergonomic side‑wind crank
- 5,000 lb lift & static capacity for heavy tongue weights
- Precision‑fitted parts add stability and long service life
- Grey powder‑coat outer tube resists corrosion
- Bolt‑on A‑frame mount; footplate or wheel sold separately
- QTY (1): Bulldog Collar‑Lok™ A‑Frame Coupler, 2″ Ball, 5,000 lb Capacity
- Automatic Collar‑Lok latch keeps a constant tight ball fit
- 5,000 lb rating handles demanding static & dynamic loads
- Hinged ball socket simplifies hook‑up
- Clear visual indicator confirms full closure
- Adjustable A‑frame mount for level towing
- Ideal for utility, cargo, horse & construction trailers
Always verify your trailer’s original equipment ratings, perform regular lubrication and inspection, and tighten mounting hardware per manufacturer torque specs.
Specifications: | |
---|---|
Weight Capacity | 3001 – 5000 lb |
Jack Mounting Style | A‑Frame Triangular Center Mount |
Jack Group | A‑Frame Style Trailers |
Jack Style | A‑Frame, Round Tube |
Lift Mechanism | Side‑wind Handle Crank |
Travel Range | 15″ Lift |
Finish | Gray Powder‑coat |
Static Load Capacity | 5,000 lb |
Lifting Load Capacity | 5,000 lb |
Foot Type | Foot or Wheel Option |
Leg Style | Fixed |
Swivel | Non‑Swivel |
Outer Tube Diameter | 2.25″ |
Bracket‑to‑Bottom (Retracted) | 9″ (exact 8.60″) |
Bracket‑to‑Bottom (Extended) | 24″ (exact 23.60″) |
Bracket‑to‑Top Clearance | 13″ (exact 12.75″) |
Electric Lift | None (Manual) |
Custom Bundle | No |
Inner Tube Diameter | 2″ |
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