Quick answer: In Queensland, an HR (Heavy Rigid) licence lets you drive a truck over 8 tonnes Gross Vehicle Mass (GVM) with more than 2 axles, including eligible prime movers and heavy rigid trucks. You can also tow a trailer with a maximum 9-tonne GVM. There is not one simple maximum truck weight for every HR vehicle; the licence class is defined by vehicle type, GVM and axle configuration, while the vehicle’s legal mass limits also depend on its manufacturer rating, axle limits and applicable heavy-vehicle rules.
What Is the Biggest Truck You Can Drive With an HR Licence?
The key point is that Queensland’s HR licence definition does not simply say “up to a specific maximum GVM”. An HR licence covers a truck, including a prime mover or mobile crane, that is over 8 tonnes GVM and has more than 2 axles. It also covers eligible buses over 8 tonnes GVM with more than 2 axles and articulated buses. citeturn0search1
HR Licence Truck Weight and Axle Requirements
For an HR vehicle, two details are especially important: GVM and axle count. The vehicle must be over 8 tonnes GVM and have more than 2 axles. This is what separates the HR class from MR, which covers vehicles over 8 tonnes GVM with a maximum of 2 axles. citeturn0search1
Can an HR Licence Drive a 3-Axle Truck?
Yes. A 3-axle truck can fall within the HR class when it meets the other HR requirements, including being over 8 tonnes GVM. Three-axle rigid trucks are commonly used in freight, construction, waste management and other commercial operations. The truck’s actual legal operating mass is still subject to the vehicle’s ratings and heavy-vehicle mass rules.
Can You Drive a 4-Axle or 5-Axle Truck With HR?
An HR licence can cover eligible rigid trucks with more than two axles, so a 4- or 5-axle rigid truck may fall within the HR class. However, you should not assume that the number of axles alone determines the truck’s legal carrying capacity. Queensland’s heavy-vehicle rules and the vehicle’s approved ratings still apply.
How Much Weight Can an HR Truck Carry?
Your HR licence does not give you a blanket permission to load a truck to any particular weight. The permitted mass depends on the truck’s GVM, axle and suspension ratings, manufacturer specifications, road and bridge restrictions, and other applicable heavy-vehicle requirements. Queensland Government information shows that rigid trucks are classified using different GVM and axle combinations, demonstrating why the truck’s own rating must be checked rather than relying only on the licence class. citeturn0search7
Can You Tow a Trailer With an HR Licence?
Yes. Under the Queensland HR class, you may tow a trailer with a maximum 9-tonne GVM. If the trailer is more than 9 tonnes GVM, the combination moves into the heavy combination (HC) class rather than remaining an HR vehicle. citeturn0search1
HR vs HC: Which Licence Do You Need?
The simplest distinction is the trailer and combination configuration. HR is for eligible heavy rigid vehicles and allows a trailer up to 9 tonnes GVM. HC covers an HR vehicle and also allows a truck or prime mover over 8 tonnes GVM with a trailer over 9 tonnes GVM. citeturn0search1
What About B-Doubles and Road Trains?
An HR licence is not the licence class for driving a B-double or road train. Queensland places these multi-combination vehicles under the MC class. An MC licence covers a B-double and a road train, while an HC licence is required for eligible heavy combinations above the HR trailer limit. citeturn0search1
Examples of Trucks You May Drive With HR
- Multi-axle rigid freight trucks
- Heavy construction and tipper trucks
- Waste collection trucks
- Concrete agitator trucks, where the vehicle meets the HR classification
- Water and service trucks that meet HR requirements
- Eligible heavy rigid buses and articulated buses
Frequently Asked Questions
Is there a maximum GVM for an HR licence?
Queensland’s HR class is defined as a truck over 8 tonnes GVM with more than 2 axles, rather than by one universal maximum GVM. The vehicle must still comply with its legal mass and operating limits. citeturn0search1
Can HR drivers drive a prime mover?
An eligible prime mover can fall within the HR vehicle definition when it meets the HR requirements. If it is being operated with a trailer configuration that requires a higher heavy-vehicle class, an HC or MC licence may be necessary. citeturn0search1
Can I upgrade from HR to HC later?
Yes. Queensland’s current upgrading rules allow eligible HR licence holders to progress to higher heavy-vehicle classes after meeting the required experience period and other requirements. citeturn0search6
Last reviewed: 1 September 2026. Heavy-vehicle licensing and mass rules can change. Confirm your licence conditions and the vehicle’s legal operating limits with Queensland Transport and Main Roads before driving.