SSC .2500" × 1.75" ID × 35.00" Torsion Spring – LW – Gold

🇺🇸 Made in USA

The Service Spring Corp .2500" × 1.75" ID × 35.00" left-wind torsion spring is designed for garage door counterbalance systems requiring this exact combination of wire size, coil diameter, body length, and winding direction. It includes installed winding and stationary cones for professional replacement work.

Manufactured from coated, oil-tempered wire, the spring works through the torsion shaft and cable drums to help offset the door’s weight. Correct selection supports balanced opening and closing, allowing the opener to move a properly counterbalanced door rather than compensate for an incorrect spring.

Specifications

Construction & Included Components

Oil-tempered wire forms the energy-storing spring body. Its protective coating helps protect the wire surface during service, while appropriate maintenance and inspection remain necessary.

The winding and stationary cones are installed to provide the spring’s tensioning and anchoring interfaces. Their fit with the intended shaft and mounting arrangement must be confirmed before installation.

This listing includes one spring with cones. Cables, cable drums, bearings, brackets, torsion shaft, and installation tools are separate components of the garage door counterbalance system.

Common Applications

Intended for professional sectional garage door repairs where the verified replacement specification is .2500" wire × 1.75" inside diameter × 35.00" body length, left wind.

Door width, panel style, and opener horsepower do not establish compatibility. The door’s actual weight, travel height, lift hardware, and complete spring arrangement determine the appropriate spring. Changes to insulation, reinforcement, glazing, or door sections should be considered before duplicating an existing specification.

Compatibility & Measurement

Match wire diameter, inside diameter, relaxed spring body length, and wind direction. The 35.00" length refers to the coil body without the cones and should be established with the spring fully relaxed by a qualified professional.

The 1.75" inside diameter measures the opening through the coils, not the shaft diameter. Cone fit, stationary mounting, shaft compatibility, and adequate operating clearance require separate checks.

This spring differs from a .2500" × 1.75" ID × 33.50" spring. Matching wire size and coil diameter does not make the lengths interchangeable. A .2500" spring with a 2.00" inside diameter also requires a separate calculation before it can be considered as an alternative.

Wind Direction & Color Identification

Left wind describes the direction of the spring coils. Correct mounting position depends on the actual torsion system configuration rather than a universal left-side or right-side assumption.

Gold identifies .2500" wire within the torsion spring color-code system. It does not establish door weight capacity or a required winding setting. Faded or unclear markings should never replace accurate measurement.

Pairing & Door Configuration

For doors using two springs, both must be assessed together. The technician should consider their combined output and inspect the companion spring’s condition. Similar age and wear may make replacing both appropriate.

A properly engineered pair does not necessarily use identical spring dimensions. Door weight, height, cable drum geometry, and standard-, high-, or vertical-lift configuration determine the suitable combination. A spring conversion should be calculated for the complete system.

Cycle Life & Maintenance

The listed minimum rating is 10,000 cycles in the correct application. One complete opening and closing counts as one cycle. Actual service duration depends on usage, environment, maintenance, and surrounding hardware condition.

Follow manufacturer lubrication guidance. A heavy, uneven, or unusually noisy door needs professional attention rather than increased opener force.

Professional Installation & Safety

Installation and tensioning require a qualified garage door professional using suitable equipment. Never loosen loaded cones, anchors, drums, or bottom cable brackets.

After replacement, have cable condition, bearings, mounting hardware, door balance, and opener safety functions verified.

Choose this spring for a confirmed .2500" × 1.75" ID × 35.00" left-wind requirement.