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Replacement Rear Ramp Spring Door Kit Assembly 60# Cargo Enclosed 6' Wide Trailers (TSAP660)

$110.97
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Jammy TSAP660 Ramp Door Spring Assist Kit – 60 lb Torsion Spring

Part Number / SKU: TSAP660
Complete spring-assist assembly for 6-foot ramp doors – includes 60 lb right-hand spring, 12? capacity drums, 150? stainless cables, and full mounting hardware.
Part Number Spring Rating Cable Length Drum Capacity
TSAP660 60 lb (Right-Hand / Clockwise) 150? × 1/8? Stainless Steel 12? Cable Capacity

About This Product

The Jammy TSAP660 Ramp Door Spring Assist Kit is engineered for enclosed trailers with 6-foot-wide doors weighing up to ?120 lb total. This OEM-grade kit uses a torsion spring mechanism to make ramp operation safer and smoother by reducing the lifting effort required.

Product Features

  • Includes one 5.0 × 50 × 600 mm (?24?) torsion spring rated at 60 lb with clockwise (right-hand) wind direction
  • Two 12? capacity cable drums (left and right)
  • Two 150? × 1/8? stainless-steel winding cables
  • Roof-mount bearing brackets (3-piece set)
  • Nylon rollers for smooth, quiet operation
  • Complete hardware pack included for installation on 6-foot ramp doors
  • Bar not included – must reuse or source appropriate shaft for mounting

Important Clarifications

  • Drum Size: “12? Cable Drums” refer to cable travel capacity (up to 12 feet), not 12? diameter drums.
  • Cable Length: Each kit contains full 150? cables; report and replace if shorter.
  • Door Weight: Best for doors around 120 lb total (?60 lb hinged section).

Specifications

  • Spring Size: 5.0 × 50 × 600 mm (?24?) – 60 lb torsion spring
  • Wind Direction: Clockwise / Right-Hand
  • Cables: 150? × 1/8? stainless steel (pair)
  • Drum Capacity: 12? cable travel
  • Mount Type: Roof mount bearing bracket set (3 pieces)
  • Rollers: Nylon (pair included)
  • Door Size / Weight: ?6? wide, up to ~120 lb total
  • Manufacturer: Jammy – OEM Supplier

Note: Verify spring wind direction and cable length before installation. Always follow safety guidelines when tensioning torsion springs. Bar sold separately.