Chapter 4406 — Customs Tariff Headings

Douglas Fir Railway Sleepers

Douglas fir railway sleepers, unimpregnated and cut to standard railway dimensions, provide foundational support for railroad tracks. Their coniferous origin and lack of chemical treatment place them under tariff item 4406.11.00, which covers non-impregnated coniferous railway sleepers.

Lodgepole Pine Tramway Sleepers

Lodgepole pine tramway sleepers, unimpregnated and cylindrical, are designed for light-duty tramways and narrow-gauge rails. Their coniferous nature and lack of chemical treatment align with tariff item 4406.11.00, which covers non-impregnated coniferous sleepers for railway or tramway use.

Sitka Spruce Railroad Sleepers

Sitka spruce railroad sleepers, non-impregnated and tapered for easy installation, are intended for heavy freight rail lines. As coniferous wood sleepers without chemical treatment, they fall under tariff item 4406.11.00 for non-impregnated coniferous railway sleepers.

Southern Yellow Pine Railroad Cross-Ties

Southern yellow pine railroad cross-ties, natural and untreated, are rough-sawn for standard gauge railway construction. Their coniferous origin and lack of preservatives place them under tariff item 4406.11.00, which covers non-impregnated coniferous railway sleepers.

Western Hemlock Railway Ties

Western hemlock railway ties, rough-cut and untreated, are made from a coniferous softwood suitable for track bedding. Their specific railway sleeper shape and lack of impregnation classify them under tariff item 4406.11.00 for non-impregnated coniferous sleepers.

Ash Wood Tramway Cross-Ties

Ash wood tramway cross-ties are unimpregnated hardwood sleepers cut to standard lengths for light rail tramway tracks. They are made from non-coniferous wood and have not undergone any chemical treatment, placing them under tariff item 4406.12.00.

Beech Railway Track Sleepers

Beech railway track sleepers are non-coniferous wood cross-ties for standard gauge railway tracks, supplied rough-sawn and untreated. As unimpregnated hardwood sleepers, they are classified under tariff item 4406.12.00.

Elm Wood Tram Sleepers

Elm wood tram sleepers are unimpregnated non-coniferous cross-ties sized for urban tramway systems, rough-sawn from logs. They are not chemically treated, making them eligible for tariff item 4406.12.00.

Maple Hardwood Rail Sleepers

Maple hardwood rail sleepers are rough-cut non-coniferous sleepers for freight rail lines, delivered without preservatives or coatings. Their unimpregnated nature and non-coniferous wood composition place them under tariff item 4406.12.00.

Oak Railway Sleepers

Oak railway sleepers are rough-sawn oak wood cross-ties for railway tracks, made from non-coniferous hardwood without any chemical impregnation. They are classified under tariff item 4406.12.00 as unimpregnated non-coniferous sleepers.

Teak Railway Cross-Ties

Teak railway cross-ties are premium teak hardwood sleepers, unimpregnated, for heavy-duty railway applications in tropical climates. As non-coniferous and non-impregnated sleepers, they fall under tariff item 4406.12.00.

ACQ-Treated Lodgepole Pine Cross-Ties

ACQ-treated lodgepole pine cross-ties are railway sleepers made from coniferous wood, specifically lodgepole pine. They are used for secondary rail lines and are treated with ammoniacal copper quat (ACQ) preservative to enhance durability. This product falls under tariff item 4406.91.00 as 'other' coniferous railway or tramway sleepers.

CCA-Treated Spruce Railway Cross-Ties

CCA-treated spruce railway cross-ties are sleepers made from coniferous spruce wood, treated with chromated copper arsenate for extended service life. They are designed for use in North American rail networks. This product is classified under tariff item 4406.91.00 as 'other' coniferous railway sleepers.

Creosoted Douglas Fir Railroad Cross-Ties

Creosoted Douglas fir railroad cross-ties are heavy-duty sleepers made from coniferous Douglas fir, treated with creosote for protection against decay. They are used in railroad applications and are classified under tariff item 4406.91.00 as 'other' coniferous railway sleepers.

Laminated Hem-Fir Railroad Sleepers

Laminated hem-fir railroad sleepers are engineered from hem-fir (mixed hemlock and fir) coniferous veneers, providing enhanced stability. They are used as railway sleepers and are classified under tariff item 4406.91.00 as 'other' coniferous railway sleepers, despite lamination.

New Zealand Radiata Pine Tram Ties

New Zealand Radiata pine tram ties are coniferous sleepers made from radiata pine, optimized for urban tram systems with lighter loads. They are classified under tariff item 4406.91.00 as 'other' coniferous railway or tramway sleepers.

Pressure-Treated Pine Railway Sleepers

Pressure-treated pine railway sleepers are coniferous wood sleepers made from pine, pressure-treated with preservatives to resist rot and insects. They are used as cross-ties in railway tracks and fall under tariff item 4406.91.00 as 'other' coniferous railway sleepers.

SYP Southern Yellow Pine Railroad Ties

Southern yellow pine (SYP) railroad ties are coniferous sleepers, kiln-dried and ready for rail installation, providing structural support for standard gauge tracks. They are classified under tariff item 4406.91.00 as 'other' coniferous railway sleepers.

Untreated Hemlock Tramway Sleepers

Untreated hemlock tramway sleepers are coniferous wood sleepers designed for light rail or tramway tracks, supplied untreated for on-site processing. They are classified under tariff item 4406.91.00 as 'other' coniferous railway or tramway sleepers.

Chestnut Tramline Sleepers

Chestnut tramline sleepers are railway or tramway cross-ties made from American chestnut, a non-coniferous hardwood. Their natural rot resistance makes them suitable for heritage tram restoration projects without chemical treatment. They fall under tariff item 4406.92.00 as non-coniferous railway sleepers.

Eucalyptus Railway Crossties

Eucalyptus railway crossties are hardwood sleepers sourced from Australia, treated with copper chrome arsenate for durability in mainline tracks. Eucalyptus is a non-coniferous species, so these ties are classified under tariff item 4406.92.00. The treatment enhances their lifespan but does not change their wood classification.

Mixed Hardwood Railroad Ties

Mixed hardwood railroad ties are made from a blend of non-coniferous hardwoods like oak, hickory, and ash, pressure-treated for secondary rail lines. They are standard-sized cross-ties used to support railway tracks. These ties qualify under tariff item 4406.92.00 as non-coniferous railway sleepers.

Oak Railway Sleepers

Oak railway sleepers are pressure-treated wood cross-ties used to support railway tracks, measuring approximately 8x8x8.5 feet. Oak is a non-coniferous hardwood, making these sleepers classifiable under tariff item 4406.92.00. The pressure treatment enhances durability for track use.

Poplar Tramway Cross-Ties

Poplar tramway cross-ties are non-coniferous wood ties used in urban tramway systems, impregnated with creosote and featuring pre-drilled bolt holes. Poplar is a hardwood, so these ties fall under tariff item 4406.92.00. The creosote treatment and bolt holes do not alter their classification as railway sleepers.