Topic module

Weights, Dimensions, Plates and Overloading

Gross and axle weights, plated limits, train weight, dimensions, vehicle categories, weighbridges, load effects and action when overloaded.

Long-form learning
Concept to Risk to Memory to Check-up

How to prepare for DVSA LGV Part 1

Apply large-vehicle thinking to every rule: know the vehicle and load, scan farther ahead, protect blind areas and stopping space, and keep legal records and CPC obligations in the correct test stage.

Core concepts

Concept 1

Every relevant axle, gross and train limit must be respected; a legal total does not excuse an overloaded axle.

Exam cue: Compare measured axle and total weights with every applicable plated and legal limit.

Concept 2

Vehicle plates and current documents identify limits that must be matched to the actual combination and load.

Exam cue: Allow for fuel, driver, equipment and load in the operational weight.

Concept 3

Overloading harms braking, steering, stability, tyres, infrastructure and legal compliance.

Exam cue: If overloaded, stop and redistribute or remove load through a safe authorised process.

Risk pitfalls and guardrails

Checking only gross weight.

Guardrail: Do not apply car-scale assumptions to an LGV; account for mass, dimensions, blind areas, load and the applicable compliance regime.

Using payload estimate instead of a reliable weight.

Guardrail: Do not apply car-scale assumptions to an LGV; account for mass, dimensions, blind areas, load and the applicable compliance regime.

Continuing because the overload is small.

Guardrail: Do not apply car-scale assumptions to an LGV; account for mass, dimensions, blind areas, load and the applicable compliance regime.

Memory anchors

Every Axle Every Total

All axle, gross and train limits must be legal at the same time.

Plate Controls

Read the correct vehicle and trailer plates before calculating capacity.

Payload Includes Everything

Account for occupants, fuel, equipment and the carried load.

Weigh When Unsure

Use a suitable weighbridge rather than guessing.

Overload Changes Control

Extra mass lengthens stopping and can damage tyres, steering and stability.

Correct Before Continue

Redistribute or remove load before resuming an overloaded journey.

Checkpoint rule

Do the check-up only after you can summarize each concept in one sentence and identify one dangerous pitfall from memory.

Knowledge Check (after reading)

Short check-up to confirm understanding of this module.

Check-up Questions

1-2 question checkpoint

What does gross train weight limit?

A rigid lorry has a plated GVW of 18,000 kg and weighs 10,600 kg ready for work but before cargo. What theoretical payload remains?

Answer all questions to submit.

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