Guard Rail Winch

Allegro Guard Rail Winch — 300 lb. Capacity Equipment Lowering for Confined Space Entry

The Allegro 9401-10 Guard Rail Winch is a purpose-built confined space winch designed for raising and lowering equipment into manholes, utility vaults, and other confined spaces. With a 300 lb. (136.07 kg) workload limit and a 3:1 safety factor, it delivers reliable load control for utilities, construction, and sewer applications. The winch mounts exclusively on the Allegro PN 9401 Manhole Guard Rail, providing a secure, stable platform at the access point. Note: this winch is intended for equipment only — it is NOT a personal retrieval device.

Technical Specifications

Available Items

Unlike general-purpose hoists, the 9401-10 is engineered specifically for confined space equipment deployment, with a high-visibility yellow finish and aluminum side pieces that keep weight low without sacrificing durability. The dual independent ratchet systems combined with a double-disc automatic brake provide a level of load control and security that standard winches do not offer in this application.

Key Features & Benefits

300 lb. Workload Limit with 3:1 Safety Factor

The 300 lb. (136.07 kg) rated capacity handles the majority of equipment lowering tasks encountered in utility and sewer work. The 3:1 safety factor provides a meaningful margin above the rated load, reducing risk during routine operations.

Two Independent Ratchet Systems

Dual independent ratchet systems give operators redundant load-holding capability, ensuring equipment stays in position even if one system is under stress. This design adds a critical layer of security when working over open manholes or confined space entries.

Double-Disc Automatic Brake

The double-disc automatic brake engages automatically to control descent and prevent uncontrolled load movement. This allows a single operator to manage equipment lowering with confidence and precision.

Lightweight, High-Tensile Aluminum Side Pieces

Side pieces constructed from high tensile, heavy-gauge aluminum keep the overall unit lightweight and portable, making it practical to transport between job sites and mount quickly on the guard rail. The durable yellow finish resists weather and wear for extended service life in outdoor and underground environments.

3" Drum for Fast Recovery

The 3" drum diameter allows for faster rope retrieval per revolution, reducing the time needed to raise equipment back out of a confined space. This improves workflow efficiency on jobs where multiple lowering cycles are required.

35' Dura-Plex Braided Rope with Safety Snap

The included 35' (10.66 m) x 1/2" (1.27 cm) Dura-Plex braided rope is strong and durable, suited for repeated use in demanding field conditions. The 9/16" (1.42 cm) safety snap provides a secure, quick-connect attachment point for equipment.

Common Applications

Utility Maintenance

Lowering tools, pumps, and inspection equipment into utility vaults and underground infrastructure where manual handling is impractical or unsafe.

Municipal Sewer Work

Deploying cameras, cleaning equipment, and other gear into sewer manholes during inspection and maintenance operations.

Construction Confined Space Entry

Raising and lowering equipment at construction site confined space access points where controlled, repeatable load handling is required.

General Confined Space Equipment Deployment

Any confined space entry scenario requiring controlled lowering and retrieval of equipment up to 300 lbs., in conjunction with the PN 9401 Manhole Guard Rail.

Compatible Materials

• For use with equipment only (not a personal retrieval device)
• Compatible exclusively with Allegro PN 9401 Manhole Guard Rail
• Replacement rope available: Item # 9401-36 (35' Winch Rope)

Frequently Asked Questions

Q: Can this winch be used to raise or lower personnel into a confined space?
A: No. The 9401-10 is explicitly NOT a personal retrieval device. It is intended solely for raising and lowering equipment into confined spaces.

Q: Which guard rail is this winch compatible with?
A: The 9401-10 is only compatible with the Allegro PN 9401 Manhole Guard Rail. The guard rail is not included with the winch.

Q: What is the maximum load capacity?
A: The workload limit is 300 lbs. (136.07 kg) with a 3:1 safety factor.

Q: Is a replacement rope available if the included rope wears out?
A: Yes. A replacement 35' winch rope is available separately under Item # 9401-36.