Infrastructure Products
Power Poles
Australian Hardwood
Durable hardwood poles prepared for demanding outdoor service conditions.
Utility Networks
Supplied for electrical distribution and infrastructure applications.
Preservative Treatment
Supplied CCA treated for durability and long-term in-ground performance.
Pole Supply
Available in a range of classes, lengths and specifications.
Hardwood Power Pole Supply
DTM Timber supplies Australian hardwood power poles for electrical infrastructure, utility networks and heavy-duty outdoor applications. Hardwood poles continue to be widely used throughout Australia due to their proven durability, strength and long-term field performance in demanding service environments.
Power poles are commonly supplied for utility providers, electrical contractors, civil projects and infrastructure works requiring reliable products suitable for external and in-ground service conditions.
Products are supplied treated for durability and service life performance in accordance with applicable utility and infrastructure requirements.
Utility & Distribution Applications
Hardwood power poles are commonly used throughout electrical distribution networks and supporting infrastructure projects requiring long-term performance and reliability.
- Electrical distribution networks
- Rural power supply
- Service line extensions
- Utility infrastructure upgrades
- Network replacement works
- Civil and infrastructure projects
Treatment & Durability
Hardwood power poles are supplied treated for durability and long-term performance in external and in-ground service environments.
- Prepared for in-ground applications
- Suitable for external environments
- Long service life performance
- Durable Australian hardwood species
- Utility infrastructure applications
Supply Capability
Power poles may be supplied in a range of lengths, classes and specifications depending on project requirements.
- Various pole lengths available
- Multiple pole classes
- Infrastructure project supply
- Utility authority requirements
- Regional and remote supply capability
Technical Supply Information
Hardwood power poles may be supplied in various lengths, strength groups and utility classifications depending on project requirements and network specifications. Final supply availability may vary depending on species, treatment requirements and current production schedules.
8m - Strength Groups
| Length (m) | Nominal ground line distance from butt (mm) | Strength Rating (kN) | Strength Group S1 | Strength Group S2 | Strength Group S3 | |||
|---|---|---|---|---|---|---|---|---|
| 2m from butt | At head | 2m from butt | At head | 2m from butt | At head | |||
| 8.0 | 1400 | 3 | 165 | 105 | 175 | 115 | 185 | 125 |
| 5 | 195 | 135 | 210 | 145 | 220 | 155 | ||
| 8 | 230 | 165 | 245 | 175 | 260 | 190 | ||
| 12 | 265 | 195 | 280 | 210 | 295 | 220 | ||
9.5m - Strength Groups
| Length (m) | Nominal ground line distance from butt (mm) | Strength Rating (kN) | Strength Group S1 | Strength Group S2 | Strength Group S3 |
|||
|---|---|---|---|---|---|---|---|---|
| 2m from butt | At head | 2m from butt | At head | 2m from butt | At head | |||
| 9.5 | 1550 | 3 | 180 | 110 | 190 | 120 | 200 | 125 |
| 5 | 210 | 135 | 225 | 150 | 240 | 160 | ||
| 8 | 250 | 170 | 265 | 185 | 280 | 195 | ||
| 12 | 285 | 200 | 300 | 215 | 320 | 230 | ||
11m - Strength Groups
| Length (m) | Nominal ground line distance from butt (mm) | Strength Rating (kN) | Strength Group S1 | Strength Group S2 | Strength Group S3 |
|||
|---|---|---|---|---|---|---|---|---|
| 2m from butt | At head | 2m from butt | At head | 2m from butt | At head | |||
| 11.0 | 1700 | 3 | 190 | 110 | 200 | 120 | 215 | 130 |
| 5 | 225 | 135 | 240 | 150 | 255 | 160 | ||
| 8 | 265 | 170 | 280 | 185 | 295 | 195 | ||
| 12 | 300 | 200 | 320 | 220 | 335 | 230 | ||
12.5m - Strength Groups
| Length (m) | Nominal ground line distance from butt (mm) | Strength Rating (kN) | Strength Group S1 | Strength Group S2 | Strength Group S3 |
|||
|---|---|---|---|---|---|---|---|---|
| 2m from butt | At head | 2m from butt | At head | 2m from butt | At head | |||
| 12.5 | 1850 | 3 | 200 | 115 | 215 | 125 | 225 | 130 |
| 5 | 335 | 140 | 250 | 150 | 265 | 160 | ||
| 8 | 275 | 170 | 295 | 185 | 310 | 195 | ||
| 12 | 315 | 200 | 335 | 215 | 355 | 235 | ||
14m - Strength Groups
| Length (m) | Nominal ground line distance from butt (mm) | Strength Rating (kN) | Strength Group S1 | Strength Group S2 | Strength Group S3 |
|||
|---|---|---|---|---|---|---|---|---|
| 2m from butt | At head | 2m from butt | At head | 2m from butt | At head | |||
| 14.0 | 2000 | 3 | 210 | 120 | 220 | 130 | 235 | 140 |
| 5 | 250 | 145 | 265 | 165 | 280 | 165 | ||
| 8 | 290 | 170 | 305 | 180 | 325 | 200 | ||
| 12 | 330 | 205 | 350 | 215 | 370 | 235 | ||
15.5m - Strength Groups
| Length (m) | Nominal ground line distance from butt (mm) | Strength Rating (kN) | Strength Group S1 | Strength Group S2 | Strength Group S3 |
|||
|---|---|---|---|---|---|---|---|---|
| 2m from butt | At head | 2m from butt | At head | 2m from butt | At head | |||
| 15.5 | 2150 | 5 | 260 | 155 | 275 | 165 | 290 | 175 |
| 8 | 300 | 180 | 320 | 195 | 335 | 205 | ||
| 12 | 345 | 210 | 365 | 230 | 385 | 245 | ||
| 20 | 410 | 255 | 435 | 285 | 455 | 300 | ||
17m - Strength Groups
| Length (m) | Nominal ground line distance from butt (mm) | Strength Rating (kN) | Strength Group S1 | Strength Group S2 | Strength Group S3 |
|||
|---|---|---|---|---|---|---|---|---|
| 2m from butt | At head | 2m from butt | At head | 2m from butt | At head | |||
| 17.0 | 2300 | 5 | 265 | 160 | 285 | 170 | 300 | 180 |
| 8 | 310 | 190 | 330 | 200 | 350 | 215 | ||
| 12 | 355 | 220 | 380 | 235 | 400 | 250 | ||
| 20 | 420 | 265 | 450 | 285 | 475 | 305 | ||
18.5m - Strength Groups
| Length (m) | Nominal ground line distance from butt (mm) | Strength Rating (kN) | Strength Group S1 | Strength Group S2 | Strength Group S3 |
|||
|---|---|---|---|---|---|---|---|---|
| 2m from butt | At head | 2m from butt | At head | 2m from butt | At head | |||
| 18.5 | 2450 | 5 | 275 | 165 | 290 | 175 | 310 | 185 |
| 8 | 320 | 195 | 340 | 210 | 360 | 220 | ||
| 12 | 370 | 225 | 390 | 240 | 410 | 225 | ||
| 20 | 435 | 270 | 465 | 290 | 490 | 310 | ||
20m - Strength Groups
| Length (m) | Nominal ground line distance from butt (mm) | Strength Rating (kN) | Strength Group S1 | Strength Group S2 | Strength Group S3 |
|||
|---|---|---|---|---|---|---|---|---|
| 2m from butt | At head | 2m from butt | At head | 2m from butt | At head | |||
| 20 | 2600 | 5 | 285 | 170 | 300 | 180 | 320 | 190 |
| 8 | 330 | 200 | 350 | 215 | 370 | 225 | ||
| 12 | 380 | 230 | 400 | 250 | 425 | 265 | ||
| 20 | 450 | 280 | 475 | 295 | 505 | 315 | ||
21.5m - Strength Groups
| Length (m) | Nominal ground line distance from butt (mm) | Strength Rating (kN) | Strength Group S1 | Strength Group S2 | Strength Group S3 |
|||
|---|---|---|---|---|---|---|---|---|
| 2m from butt | At head | 2m from butt | At head | 2m from butt | At head | |||
| 21.5 | 2750 | 5 | 290 | 175 | 310 | 185 | 325 | 195 |
| 8 | 340 | 205 | 360 | 220 | 380 | 235 | ||
| 12 | 390 | 240 | 415 | 255 | 435 | 270 | ||
| 20 | 460 | 285 | 490 | 305 | 515 | 235 | ||
23m - Strength Groups
| Length (m) | Nominal ground line distance from butt (mm) | Strength Rating (kN) | Strength Group S1 | Strength Group S2 | Strength Group S3 |
|||
|---|---|---|---|---|---|---|---|---|
| 2m from butt | At head | 2m from butt | At head | 2m from butt | At head | |||
| 23 | 2900 | 5 | 300 | 180 | 315 | 190 | 335 | 200 |
| 8 | 350 | 210 | 370 | 225 | 390 | 240 | ||
| 12 | 400 | 245 | 425 | 260 | 445 | 275 | ||
| 20 | 470 | 295 | 500 | 310 | 530 | 330 | ||
Technical Note
Note: Final pole classes, strength groups and available lengths should be confirmed against current utility requirements and project specifications.
Supply Information
Species
Ironbark, Spotted Gum and selected Mixed Hardwoods, subject to project requirements and availability.
Treatment
Supplied treated to meet utility requirements for durability and long-term in-ground service performance.
Pole Classes
Various pole classes available to suit utility and infrastructure specifications.
Lengths
Multiple pole lengths available, with technical tables provided for length and strength group reference.
Applications
Suitable for electrical distribution, utility infrastructure and heavy-duty external applications.
Australian Hardwood Species
Australian hardwood species used for power poles are selected for durability, strength and long-term infrastructure performance in demanding service environments.Technical Information
See our list of Acceptable species**Applicable Standards.S. 3818-11 Utility Poles. Supplied in accordance with Queensland Transmission and supply corporation group T.S. 07-01-01
CLICK HERE for Technical Specifications for CCA Treated Hardwood Poles
| Standard Trade Code | Common Name | Botanical Name | Strength Group |
|---|---|---|---|
| J | Cooktown Ironbark | Erythrophleum Clorostachys | S1 |
| DS | Darwin Stringybark | E. tetrodonta | S1 |
| GG | Grey Gum | E. punctata E. propinqua | S1 |
| GI | Grey Ironbark | E. drepanophylla E. paniculata | S1 |
| HA | Hickory Ash | Flindersia ifflaiana | S1 |
| BB | Blackbutt | E. pilularis | S2 |
| CG | Cadaga | E. torelliana | S2 |
| CR | Crows Ash | Flindersia australis | S2 |
| GM | Gympie Messmate | E. cloeziana | S2 |
| GB | Grey Box | E. moluccana E. woollsiana | S2 |
| NI | Narrow-leaved Red Iron- bark | E. crebra | |
| RI | Red Ironbark | E. sideroxylon | S2 |
| RM | Red Mahogany | E. resinifera E. pelita | S2 |
| WM | White Mahogany | E. acmeniodes E. umbra ssp. umbra E. umbra ssp. carnea | S2 |
| PW | Brown Penda | Xanthostemon chrysanthus | S2 |
| PD | Red Penda | Xanthostemon whitei | S2 |
| SG | Spotted Gum | E. maculata E. citriodora | S2 |
| TW | Tallowwood | E. microcorys | S2 |
| BD | Brown Bloodwwod | E. tracyphloia | S3 |
| RW | Red Bloodwood | E. gummifera E. polycarpa E. intermedia | S3 |
| FR | Forest Red Gum | E. tereticornis | S3 |
| NA | New England Blackbutt | E. andrewsii | S3 |
| TP | Turpentine | Syncarpia glomulifera | S3 |
| WS | White Stringybark | E. eueniodes | S3 |
Ironbark
Ironbark is commonly used in heavy-duty infrastructure applications requiring high durability and long-term service performance.

Spotted Gum
Spotted Gum is widely used in utility and infrastructure applications due to its strength, durability and suitability for external environments.

Mixed Hardwoods
Mixed hardwood species may also be supplied depending on project requirements and product availability.

- Infrastructure Applications
- Electrical distribution networks
- Utility infrastructure upgrades
- Rural electrification projects
- Network replacement works
- Civil infrastructure projects
- Regional and remote installations
- Key Information
- Utility Applications
Suitable for utility, infrastructure and heavy-duty external applications.
- Preservative Treatment
Supplied treated for durability and long-term in-ground service conditions.
- Pole Supply
- Australian Hardwoods
Manufactured from selected Australian hardwood species suitable for infrastructure applications.