| 84.02 | | Steam or other vapour generating boilers (other than central heating hot water boilers capable also of producing low pressure steam); super-heated water boilers. | | | |
| 8402.11.00 | 00 | Steam or other vapour generating boilers (other than central heating hot water boilers capable also of producing low pressure steam); super-heated water boilers. - Steam or other vapour generating boilers: - Watertube boilers with a steam production exceeding 45 tonnes per hour | NMB | Free | CCCT, LDCT |
| 8402.12.00 | 00 | Steam or other vapour generating boilers (other than central heating hot water boilers capable also of producing low pressure steam); super-heated water boilers. - Steam or other vapour generating boilers: - Watertube boilers with a steam production not exceeding 45 tonnes per hour | NMB | Free | CCCT, LDCT |
| 8402.19.00 | 00 | Steam or other vapour generating boilers (other than central heating hot water boilers capable also of producing low pressure steam); super-heated water boilers. - Steam or other vapour generating boilers: - Other vapour generating boilers, including hybrid boilers | NMB | Free | CCCT, LDCT |
| 8402.20.00 | 00 | Steam or other vapour generating boilers (other than central heating hot water boilers capable also of producing low pressure steam); super-heated water boilers. - Super-heated water boilers | NMB | 2% | CCCT, LDCT |
| 84.08 | | Compression-ignition internal combustion piston engines (diesel or semi-diesel engines). | | | |
| 8408.10.00 | | Compression-ignition internal combustion piston engines (diesel or semi-diesel engines). - Marine propulsion engines | NMB | Free | CCCT, LDCT |
| 8408.10.00 | 90 | Compression-ignition internal combustion piston engines (diesel or semi-diesel engines). - Marine propulsion engines - Other: - Other | NMB | Free | CCCT, LDCT |
| 8409.10.00 | 00 | Parts suitable for use solely or principally with the engines of heading 84.07 or 84.08.
- For aircraft engines | - | Free | CCCT, LDCT |
| 8402.90.00 | 00 | Steam or other vapour generating boilers (other than central heating hot water boilers capable also of producing low pressure steam); super-heated water boilers. - Parts | - | Free | CCCT, LDCT |
| 84.03 | | Central heating boilers other than those of heading 84.02. | | | |
| 8404.20.00 | 10 | Auxiliary plant for use with boilers of heading 84.02 or 84.03 (for example, economizers, super-heaters, soot removers, gas recoverers); condensers for steam or other vapour power units.
- Condensers for steam or other vapour power units - Mechanically operated | NMB | Free | CCCT, LDCT |
| 8406.90.10 | 00 | Steam turbines and other vapour turbines. - Parts - Blade diaphragms, spindle discs and shafts, wholly or in chief part of metal, for the repair or remanufacture of steam turbines or parts thereof;
Electro-mechanical speed regulators and parts thereof, for steam turbines | - | Free | CCCT, LDCT |
| 8406.90.21 | 00 | Steam turbines and other vapour turbines. - Parts - Other parts of the goods of tariff item No. 8406.10.00: - Rotors, not further advanced than cleaned or machined for removal of fins, gates, sprues or risers, or to permit location in finishing machinery | - | Free | CCCT, LDCT |
| 8406.90.22 | 00 | Steam turbines and other vapour turbines. - Parts - Other parts of the goods of tariff item No. 8406.10.00: - Rotors, finished for final assembly | - | Free | CCCT, LDCT |
| 8406.90.31 | 00 | Steam turbines and other vapour turbines. - Parts - Other parts of the goods of tariff item No. 8406.81.00 or 8406.82.00: - Rotors, not further advanced than cleaned or machined for removal of fins, gates, sprues or risers, or to permit location in finishing machinery, wholly or in chief part of metal, for the repair or remanufacture of steam turbines or parts thereof | - | Free | CCCT, LDCT |
| 8406.90.32 | 00 | Steam turbines and other vapour turbines. - Parts - Other parts of the goods of tariff item No. 8406.81.00 or 8406.82.00: - Other rotors, not further advanced than cleaned or machined for removal of fins, gates, sprues or risers, or to permit location in finishing machinery | - | Free | CCCT, LDCT |
| 8406.90.33 | 00 | Steam turbines and other vapour turbines. - Parts - Other parts of the goods of tariff item No. 8406.81.00 or 8406.82.00: - Rotors, finished for final assembly, wholly or in chief part of metal, for the repair or remanufacture of steam turbines or parts thereof | - | Free | CCCT, LDCT |
| 8406.90.34 | 00 | Steam turbines and other vapour turbines. - Parts - Other parts of the goods of tariff item No. 8406.81.00 or 8406.82.00: - Other rotors, finished for final assembly | - | Free | CCCT, LDCT |
| 8406.90.35 | 00 | Steam turbines and other vapour turbines. - Parts - Other parts of the goods of tariff item No. 8406.81.00 or 8406.82.00: - Other rotors, wholly or in chief part of metal, for the repair or remanufacture of steam turbines or parts thereof | - | Free | CCCT, LDCT |
| 8406.90.36 | 00 | Steam turbines and other vapour turbines. - Parts - Other parts of the goods of tariff item No. 8406.81.00 or 8406.82.00: - Blades, rotating or stationary, wholly or chief part of metal, for the repair or remanufacture of steam turbines or parts thereof | - | Free | CCCT, LDCT |
| 84.07 | | Spark-ignition reciprocating or rotary internal combustion piston engines. | | | |
| 8407.10.00 | | Spark-ignition reciprocating or rotary internal combustion piston engines. - Aircraft engines | NMB | Free | CCCT, LDCT |
| 8407.10.00 | 20 | Spark-ignition reciprocating or rotary internal combustion piston engines. - Aircraft engines - New, not exceeding 372 kW | NMB | Free | CCCT, LDCT |
| 8407.10.00 | 30 | Spark-ignition reciprocating or rotary internal combustion piston engines. - Aircraft engines - New, exceeding 372 kW | NMB | Free | CCCT, LDCT |
Harmonized Tariff Schedule of the Canada inquiry: aircraft+parts
