Couple and uncouple goods vehicle trailers

URN: SFLDGV10
Business Sectors (Suites): Driving Goods Vehicles
Developed by: Lantra
Approved: 2026

Overview

This standard is about coupling and uncoupling goods vehicle trailers.

It covers the selection of safe and suitable places to couple and uncouple trailers. It includes the identification and use of different coupling equipment, and the relevant legal, safety and operating requirements that apply.

This standard is relevant for drivers of goods vehicles and those who are responsible for coupling and uncoupling goods vehicle trailers as part of their job role.


Performance criteria

You must be able to:

1    maintain the health and safety of yourself and others at all times, in line with the relevant legislation and organisational requirements
2    assess the risks associated with the work before starting and throughout the activity and take action to minimise or report risks in line with organisational procedures
3    confirm that the required personal protective equipment (PPE) for the work being carried out is worn at all times in line with organisational procedures
4    confirm that the relevant training has been received to carry out the work, recognise the limits of your competence and seek access to further training, where required
5    identify the allocated trailer for coupling in line with organisational procedures
6    check the compatibility of the goods vehicle and the trailer in line with the relevant manufacturers’ and the Driving and Vehicle Standards Agency (DVSA) guidelines 
7    check that the goods vehicle and trailer type, depth and height are compatible for coupling
8    manoeuvre the goods vehicle in relation to the trailer, ready for coupling
9    check that the trailer's brakes are applied prior to coupling to the goods vehicle
10    connect the trailer and goods vehicle, including sliding fifth wheel
couplings in line with manufacturers’ operating instructions 
11    manoeuvre the goods vehicle and test that coupling has been established with the trailer 
12    make all other required connections to the vehicle and trailer when coupling
13    confirm that the goods vehicle and trailer systems work properly after coupling, and that the vehicle is safe to drive
14    select a safe site for uncoupling trailers from their goods vehicle
15    deploy trailer legs in line with manufacturers’ operating instructions before
uncoupling to prevent trailer grounding
16    disconnect the connections between the goods vehicle and trailer when uncoupling, in line with manufacturers’ operating instructions
17    check that uncoupling has been achieved before driving the goods vehicle away
18    maintain effective communication with colleagues when carrying out the work
19    respond to unexpected situations when coupling and uncoupling
goods vehicle trailers in line with organisational procedures
20    carry out the work in accordance with approved procedures and practices and in compliance with the relevant statutory, organisational and other requirements relating to coupling and uncoupling goods vehicle trailers


Knowledge and Understanding

You need to know and understand:

1    your responsibilities under the relevant health and safety legislation and organisational requirements
2     how to identify hazards and assess risks associated with the work being carried out, and suitable control measures and Safe Systems of Work (SSoW) that can be put in place to reduce risks
3     the relevant personal protective equipment (PPE) that should be worn when coupling and uncoupling goods vehicle trailers
4     the Driving and Vehicle Standards Agency (DVSA) guidelines, manufacturers’ operating instructions and organisational procedures for coupling and uncoupling the goods vehicle and trailer
5     the different systems for coupling goods vehicles and trailers and how they work
6     how to check that the goods vehicle and trailer type, depth and height are compatible for coupling
7    how to safely connect and disconnect the different types of connections when coupling and uncoupling the goods vehicle trailer
8    how to confirm that the goods vehicle is aligned to the trailer for coupling and uncoupling, and why this procedure must be undertaken
9    why and how to check the trailer brake is engaged before coupling and uncoupling
10    how to safely check that coupling and uncoupling the goods vehicle trailer has been achieved 
11   how to check that the goods vehicle and trailer systems work properly after coupling, and that the vehicle is safe to drive
12    how to select a safe and suitable site for uncoupling the goods vehicle trailer
13    how to prepare the trailer prior to uncoupling from the goods vehicle
14   how to deploy trailer legs whilst goods vehicles and trailers are attached
15    why and how to confirm all connections are correctly stowed away when not in use
16     the roles and responsibilities of colleagues and why it is important to maintain effective communication with colleagues when carrying out your work
17     how to respond to unexpected situations when coupling and uncoupling goods vehicle trailers, the actions to take and organisational procedures for reporting issues that cannot be resolved
18   the approved procedures and practices, statutory, organisational and other requirements relating to coupling and uncoupling goods vehicle trailers


Scope/range


Scope Performance


Scope Knowledge


Values


Behaviours


Skills


Glossary

Connections: air line, electrical lines, fluids

Goods vehicle: the vehicle you normally drive, includes trailer when connected, and ancillary equipment

Health and safety includes mental and physical wellbeing

Manoeuvre: forward movements, reverse movements, turns

Personal Protective Equipment (PPE) could include: high-visibility clothing, hard hats, protective clothing, eye protection, masks, gloves, safety footwear

Safe System of Work (SSoW) is a method of work that puts in place control measures arising from a risk assessment, in order to manage identified hazards, which are broken down into four elements: safe person; safe equipment; safe place; and safe practice.

Statutory, organisational and other requirements:

  • Driving, vehicle and transport regulations
  • Machinery and equipment regulations
  • Workplace safety regulations
  • Working time regulations
  • Codes of practice
  • Organisational requirements
  • Environmental, ethical and social considerations

Unexpected situations could include:

  • Damage to 5th wheel connector trailers
  • Damage to connector plate tractor units
  • Trailer legs unable to retract and deploy
  • Damage to vehicle and trailer connections

Links To Other NOS


External Links


Version Number

3

Indicative Review Date

2031

Validity

Current

Status

Original

Originating Organisation

Skills for Logistics

Original URN

SFLDGV10

Relevant Occupations

Transport Drivers and Operatives, Removals

SOC Code

8211

Keywords

couple; uncouple; goods vehicle; trailer