Sourcing straw choppers from China

Zero duty within the supplied heading

Read from the UK Trade Tariff on 30 September 2026, heading 8433 covers harvesting and threshing machinery, including straw or fodder balers, and parts. The selected lines carry 0% duty from China, with no anti-dumping or countervailing measures and no suspensions recorded in the supplied data.

The table distinguishes replacement assemblies, harvesting machines and complete combines with choppers. It does not establish that every machine sold as a straw chopper belongs here. Confirm the commodity code using its function, drawings and how it is supplied. See combine harvesters for the wider heading. For olive harvesting equipment, see our olive harvesting machine sourcing guide.

The supplied complete-machine lines attach import and export waste controls; the parts line does not. For imports under waste notification controls, the exporter must seek consent from the dispatch country's competent authority. If buying damaged or scrap equipment from China, ask your customs broker to confirm the applicable waste requirements before shipment.

Specify the rotor and the host machine

State whether you need a combine-mounted replacement assembly or a complete machine. For a replacement, supply the host machine model, mounting drawings, drive arrangement, rotation direction, inlet and discharge geometry, and available clearance. Agree blade material, blade attachment, rotor balancing, bearing specification and access for maintenance.

Agree the straw condition and desired chopped output, then ask the factory to demonstrate the offered configuration with representative material. Machinery supplied in Great Britain must satisfy essential health and safety requirements. Request the configuration-specific conformity documents, English instructions and a description of guarding and safe blockage clearance before approving production.

Worked duty example

Illustrative example, not a quote: Illustrative order of one replacement straw-chopper assembly, assuming classification as a harvesting machinery part under 8433 90 00 00, invoiced at £8,000 free on board, with £1,200 of freight and insurance to the UK. The customs value is £9,200. Duty at 0% is £0. Import VAT at 20% is charged on the customs value plus duty, £9,200, so it is £1,840. With no duty, the only import tax is the VAT, which a VAT-registered importer can usually reclaim. The import duty and VAT guide explains each step.

Inspection checklist

Fit: compare mounting points, drive connections and housing clearances with the approved drawings and host machine.

Rotor: inspect blade attachment, blade consistency, bearing alignment and balance records; observe vibration during a controlled running trial.

Guards: check supplied covers, drive shielding and access arrangements against the approved design, with power isolated before opening.

Output and delivery: trial representative straw for uneven chopping or blockage, then check transport damage, loose fasteners, spares and documents. Use a written inspection brief.

What goes wrong

A replacement assembly can match the catalogue photograph yet fail to fit the host machine. Incorrect drive direction, housing interference and unsuitable discharge geometry can leave the buyer modifying equipment on arrival. Resolve these points against drawings and a fit trial before shipment.

Unequal blades, poor balance and misaligned bearings can produce vibration. Damp or tangled straw can expose feeding problems that a brief empty-running video misses. Agree a material trial, record the configuration tested and inspect the actual assembly that will ship.

Cambridge China Bridge sources these products for UK businesses, checking the factory and the documents before shipment. See factory verification. For machinery and equipment, see machinery imports.