KONG ALBY | Heavy-Duty Arborist Rigging Pulley

The KONG ALBY is a heavy-duty aluminum rigging pulley designed for professional arboriculture, tree climbing, and demanding tree removal operations. Engineered for high-load applications, the ALBY combines robust construction, high mechanical efficiency, and a large rope capacity for controlled rigging and lowering operations.

Featuring aluminum swinging side plates and an aluminum sheave, the ALBY provides a durable solution for arborists handling heavy rigging loads. Its tapered bushing system delivers 93% efficiency while supporting ropes up to 26 mm in diameter.

With a rated load of 50 kN, the ALBY is particularly suited for professional tree care operations requiring substantial rigging capacity. The swinging side plates allow convenient rope installation and removal, while the aluminum alloy construction provides strength and durability for demanding field conditions.

Manufactured in Italy, the KONG ALBY is designed for professional arborists, tree removal crews, and rigging specialists who require dependable equipment for heavy-duty operations.

Product Features

• Heavy-duty single-sheave pulley designed for arboriculture and tree climbing.

• Aluminum alloy swinging side plates for convenient rope installation.

• Durable aluminum alloy sheave.

• High-load design rated to 50 kN.

• 93% mechanical efficiency.

• Tapered bushing system.

• Accommodates ropes up to 26 mm in diameter.

• Designed for demanding tree removal and rigging operations.

• Manufactured in Italy.

Technical Specifications

• Manufacturer: KONG

• Model: ALBY

• Manufacturer Part Number: 83900ON00KK

• Material: Aluminum Alloy

• Sheave Material: Aluminum Alloy

• Configuration: Single Sheave with Swinging Side Plates

• Rated Load: 50 kN

• Efficiency: 93%

• Maximum Rope Diameter: 26 mm

• Bearing Type: Tapered Bushing, No Ball Bearing

• Weight: 1,150 g (2.54 lb)

• Main Dimension: 236.5 mm (9.31 inches)

• Color: Orange

• Country of Manufacture: Italy