Jammy TSAP780 Ramp Door Spring Assist Kit – 80 lb Torsion Spring
| Part Number | Spring Rating | Cable Length | Drum Capacity |
|---|---|---|---|
| TSAP780 | 80 lb (Right-Hand / Clockwise) | 150″ × 1/8″ Stainless Steel | 12′ Cable Capacity |
About This Product
The Jammy TSAP780 Ramp Door Spring Assist Kit is engineered for enclosed trailers with 7-foot-wide ramp doors. Designed to help offset door weight, it improves safety and ease of use by providing controlled assistance when opening and closing the ramp.
Product Features
- Includes one 5.5 × 50 × 700 mm (≈28″) torsion spring rated at 80 lb, with clockwise (right) wind direction
- Two 12′ capacity cable drums (left and right)
- Two 150″ × 1/8″ stainless steel winding cables
- Roof-mount bearing brackets, nylon rollers, and full hardware kit
- Bar for mounting not included — buyer must supply proper spring bar
- Rated to assist doors up to ~160 lb total load (or ~80 lb per hinge) per manufacturer spec
Important Clarifications
- Drum sizing: “12′ cable drums” means capacity for 12 feet of cable travel, not physical drum diameter.
- Cable length: Each kit includes full 150″ cables. If you receive shorter length, report immediately.
- Compatibility caution: Always match by door weight, not just width.
Specifications
- Spring: 5.5 × 50 × 700 mm (≈28″), 80 lb torsion spring
- Wind direction: Clockwise / Right-Hand
- Cables: 150″ × 1/8″ stainless steel (pair)
- Drum capacity: 12′ cable travel
- Mount: Roof mounting bearing bracket set
- Rollers: Nylon (pair included)
- Assist rating: up to 160 lb ramp load / 80 lb per hinged door
- Bar: Not included (must be supplied by buyer)
Note: Confirm wind direction, inspect cable length, and follow all safety instructions during installation. This kit comes without the spring bar — plan accordingly.
Shipping
We ship quickly and carefully, with tracking provided on every order. Most items ship the same or next business day. Your parts will arrive safely and on time, ready to use.
Returns & Guarantee
Your satisfaction is guaranteed. Returns, refunds, and exchanges are accepted — no hassle. We stand behind every part we sell, so you can purchase with confidence.
Committed to Customer Service
At R and P Carriages, we believe in treating our customers like family. Whether you need a small replacement part or a complete trailer service, we’re here to help with friendly, expert support every step of the way.
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