Trusted by contractors across New Zealand

Your Cable Pulling Specialist

HTC supplies one of New Zealand’s most comprehensive ranges of cable stressing equipment for concrete construction, bridge, and civil infrastructure projects. From mono and multi-strand stressing jacks, onioning jacks, and high-tonnage Durapac hydraulic cylinders to barrels, wedges, strand cutters, strand feeders, and HANY AG grout pumps and colloidal grout systems, our range supports every stage of the post-tensioning process. Built for precise, repeatable tensioning, our equipment helps deliver the strength, reliability, and performance demanded by critical infrastructure projects.

Trusted by contractors across New Zealand

Your Cable Pulling Specialist

HTC supplies one of New Zealand’s most comprehensive ranges of cable stressing equipment for concrete construction, bridge, and civil infrastructure projects. From mono and multi-strand stressing jacks, onioning jacks, and high-tonnage Durapac hydraulic cylinders to barrels, wedges, strand cutters, strand feeders, and HANY AG grout pumps and colloidal grout systems, our range supports every stage of the post-tensioning process. Built for precise, repeatable tensioning, our equipment helps deliver the strength, reliability, and performance demanded by critical infrastructure projects.

info@htc.co.nz

(09) 271 0800

Spring-Loaded Staple Guns

Designed specifically for the post-tensioning industry. These tools are essential for securely fastening sheathing and ducts during cable installation, ensuring efficient and reliable operations.

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Strand Pushers & Strand Feeders

Engineered to improve efficiency and safety by streamlining prestressing strand installation while reducing manual labour and installation time.v

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Lock Ring – High Tonnage

The RSLC-Series is a single-acting lock ring cylinder engineered for safe, long-term load holding in bridge construction, maintenance, and heavy jacking applications.

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Stressing Jacks

Durable, field tested and proven designs with ergonomic handle to reduce operator fatigue.
Single acting PTJ models available with spring seating or power seating are ideal for slab-on-grade applications.

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Grout Pumps & Colloidal Grout Systems

Ideal for low-pressure grouting applications, these grout pumps provide a reliable and efficient solution for a wide range of grouting needs.

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Durapac RDHG Series Double Acting High Tonnage Cylinders

The RDHG-Series is a double-acting high-tonnage cylinder range with capacities up to 1,600 tonnes. 

Bronze Overlay

Resists side-load damage for longer bearing life.

Stop Ring

Built-in stop ring for maximum safety and performance.

Hardened Grooved Saddle

Protects the piston rod from damage during lifting.

Hard Chrome Plated Piston Rod

Hard chrome piston rod for maximum corrosion resistance.

Base Mounting Holes

Base mounting holes for secure cylinder installation.

Safety Valve

Concealed relief valve protects against pressure intensification.

Discover Our Cable Stressing & Post-Tensioning Solutions

Onioning Jacks

Engineered to form reliable onion anchors on 0.5″ or 0.6″ prestressing strand with a simple jaw change. Designed for versatility and precision, these jacks are a must-have for efficient cable preparation in post-tensioning projects.

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Mono Jacks

Compact hydraulic jacks designed for single-strand stressing where space is limited.

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Barrels & Wedges

High-strength barrels and wedges designed to securely anchor prestressing strands in cable stressing and post-tensioning applications.

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Grout Pumps & Colloidal Grout Systems

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​HTC Ltd is proud to offer a comprehensive range of grout pumps and colloidal grout systems tailored for civil construction, tunnelling, and post-tensioning applications across New Zealand and Australia. Our selection includes high-performance equipment from leading manufacturers.
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Strand Pushers & Strand Feeders

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​HTC Ltd is proud to offer a comprehensive range of Strand Pushers and Strand Feeders, engineered to enhance efficiency and safety in post-tensioning operations. These robust machines are designed to streamline the process of feeding prestressing strands into ducts or sheathing, significantly reducing manual labor and installation time.   Strand Pushers and Feeders, engineered to accelerate post-tensioning operations in civil construction, bridge building, and precast applications across New Zealand and Australia.
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Spring-Loaded Staple Guns

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HTC offers robust Spring-Loaded Staple Guns designed specifically for the post-tensioning industry. These tools are essential for securely fastening sheathing and ducts during cable installation, ensuring efficient and reliable operations.
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Onioning Jacks for Post-Tensioning Applications

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HTC Ltd offers 10-Ton Onioning Jacks, engineered to form reliable onion anchors on 0.5″ or 0.6″ prestressing strand with a simple jaw change. Designed for versatility and precision, these jacks are a must-have for efficient cable preparation in post-tensioning projects.
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Stressing Jacks

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GTI Stressing Jacks Durable, field tested and proven designs with ergonomic handle to reduce operator fatigue Single acting PTJ models available with spring seating or power seating are ideal for slab-on-grade applications Double acting DA models have an 8.5” stroke and are machined from steel billets. They feature standard power seating and have gun-drilled hydraulic fluid passages 5DA1 jacks come equipped with a 4” nose while PTJ jacks come with a 3” nose. Other nose lengths available upon request A full line of gripper sizes are available to stress most common strand sizes Complete line of repair kits available for quick and easy service
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Durapac RDHG Series Double Acting High Tonnage Cylinders

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The RDHG-Series is a double acting high tonnage cylinder range up to 1,600 ton capacity. Perfect for use in civil construction, heavy jacking, stressing beds and other high load applications. These cylinders feature a hard chrome piston rod for maximum corrosion resistance and bronze overlay piston bearing area to resist side load induced damage. A built-in stop ring ensures maximum performance and safety. Interchangeable hardened grooved saddles are standard and TSG tilt saddles are optional. All cylinders in this range have base mount holes and a retract side concealed safety pressure relief valve. Capacities from 50 ton – 1600 ton Stroke from 50-300mm  
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Barrels & Wedges

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Available in 13mm, 16mm, 0.5″ and 0.6″ (other sizes avaialble on request) Both resusable and single use types available Wedges are made up of 3 segments held together with an O-ring Products are heat treated for durability Contact us with your requirements.
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Lock Ring – High Tonnage

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The RSCL series features a threaded piston rod and lock ring.
  • When the lock ring is screwed down and engages with the cylinder body the load can be held mechanically for extended periods.
  • These cylinders are ideally suited to bridge construction and maintenance and jacking applications requiring safe extended load holding.
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Mono Jacks at HTC

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HTC supplies a range of mono jacks — now sourced via PJM Industrial. Built for demanding projects, these jacks are trusted across New Zealand for cable stressing, post-tensioning, bridge construction, tunnelling, and large-scale civil works.
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Why HTC?

You’re not just getting a tool—you’re getting support from a team that understands real job site demands.

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