🎓 Prepared by students from Boğaziçi University

What is Load Distribution Rule?

Load distribution rules limit the maximum weight on each axle and tire to maintain vehicle balance, stability, and braking. Overloading shifts the center of gravity, reduces handling and braking power, and is illegal. These laws protect drivers and roads from structural damage.

Short answer

Load distribution rule is the law that limits weight per axle and tire to a safe level—typically 10 tonnes per axle for most vehicles. Proper loading keeps the center of gravity low and maintains steering, braking, and suspension control.

Load Distribution Principles
  1. 1
    Know max weight
    Total vehicle + cargo limit
  2. 2
    Distribute evenly
    Front/rear axle weight balance
  3. 3
    Center of gravity
    Keep load low and centered
  4. 4
    Check limits
    Verify per-axle tire weight
01

Step-by-step worked examples

A truck has max weight 15 tonnes (cargo). Front axle limit: 6 tonnes, rear: 10 tonnes. Load plan?

Place 5 tonnes cargo over front axle, 10 tonnes over rear—within limits, center of gravity stays low.

Driver loads 18 tonnes onto a 15-tonne truck. What's the problem?

Illegal, exceeds max total; reduces braking, affects steering, damages suspension and roads; subject to fines.

Cargo placed only over rear axle. Effects?

Rear axle overloaded, front loses traction, steering becomes light, braking ineffective, vehicle unstable.
02

Flashcards

03

Quick quiz

Q1.Load distribution rule main purpose?

Correct answer: B. Axle limits protect braking and steering integrity.

Q2.Typical axle weight limit?

Correct answer: B. Standard vehicle spec; check manufacturer details.

Q3.Overload effect on braking?

Correct answer: B. Weight increases stopping distance; fade worsens.

Q4.Best cargo position?

Correct answer: C. Lowers center of gravity; maintains stability.
📄Download this topic as a printable worksheet (PDF)Summary + 10 questions + answer key — print it, share it in class.
Study better with Bounlu apps
Notek
Notek

The full card deck, worked steps and AI-tutor support for “What is Load Distribution Rule?” are in Notek — study by hand before your exam.

Get it free
Notek 1Notek 2Notek 3Notek 4Notek 5
04

Common mistakes

Overloading doesn't affect braking.Correct: Increases stopping distance; brakes fade.

Any axle limit is safe.Correct: Exceeding legal axle limits is dangerous and illegal.

High cargo placement is fine.Correct: Raises center of gravity; reduces stability.

Even loading doesn't matter.Correct: Uneven loading causes steering and suspension problems.

05

FAQ

What is load distribution rule?

The law limiting maximum weight per axle and tire for vehicle safety and durability.

Why do axle limits exist?

Protect braking, steering, suspension; prevent road damage and accidents.

Overload penalties?

Heavy fines, vehicle confiscation in some regions, civil liability for road damage.

How to load cargo safely?

Distribute weight evenly, keep low, center over axles, verify axle limits.

Related topics