Call Us

270-908-9656

Email

chicagopermit@gmail.com

AXLE CONFIGURATIONS EXPLAINED

Understanding your axle setup is essential for permits, weight distribution, and safe hauling. Explore the most common axle configurations used in the trucking industry.

Get a Permit Now →
01

Single Axle

Consists of one set of wheels on one axle. Commonly found on smaller trucks, trailers, and front steering axles.

♟
Typical Capacity Up to 20,000 lbs
⎯◯⎯
Common Use Light-duty trucks,
steering axles
☷
Permit Impact Lower weight allowance
compared to multi-axle
02

Tandem Axle

Two axles with four wheels. The most common configuration on trailers and used to distribute more weight.

♟
Typical Capacity Up to 34,000 lbs
⎯◯⎯
Common Use Most trailers, dump
trucks, semi-trailers
☷
Permit Impact Better weight distribution
and higher allowances
03

Tri Axle

Three axles with six wheels. Provides increased weight capacity and stability for heavy hauls.

♟
Typical Capacity Up to 46,000 lbs
⎯◯⎯
Common Use Heavy-duty trailers,
construction haulers
☷
Permit Impact Higher load capacity
with stable distribution
04

Quad Axle

Four axles with eight wheels. Offers maximum weight distribution and is used for the heaviest and most specialized loads.

♟
Typical Capacity Up to 60,000+ lbs
⎯◯⎯
Common Use Specialized heavy haul,
lowboy, modular trailers
☷
Permit Impact Maximum weight
allowance with permits
i
Important Note: Axle weights, spacing, and configurations affect permit requirements and legal load limits.
Always verify with the issuing authority to ensure compliance.
Get a Permit Now →

Stay Compliant

We help you meet all state
& province regulations.

Save Time

We handle the paperwork so you
can keep moving.

Expert Assistance

Our team knows the rules
and requirements.

We're Here to Help

Call or email us for fast,
friendly support.

Other Pages

Home

About

Services

Team

Contact

Quick Links

Privacy Policy

Term of Services

Blogs

Pricing & Packs

FAQ

WorkING Hours

We provide fast and reliable permit solutions with expert support, helping carriers stay compliant and keep every load moving on schedule.

© 2000 CHICAGO PERMIT AGENCY