Heavy Vehicle Class (HVNL s.6)
3+ Axles | > 8.0t GVM | Min. Licence: HR
Heavy Rigid (HR)
Multi-axle heavy rigid trucks (6x4 bogie drives, 8x4 twin-steers) and articulated buses built for high-mass payloads.
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1. Basic & Technical Info
2. Licensing & Conditions
3. Enforcement Options
4. Images & Diagrams
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1. Basic Information & Technical Specifications
- Configuration: 3 or more axles, GVM > 8.0t. 3-Axle Rigid GML is 22.5t; 4-Axle Twin-Steer GML is 26.5t/27.5t.
- Common Fleet: 6x4 quarry tippers, 8x4 concrete agitators, hook-lift bin trucks.
2. Licensing Requirements & Conditions
- Required Class: Minimum HR (24 months Car tenure or 12 months LR/MR).
- Condition B Enforcement: Prohibits driving constant-mesh manual gearboxes (18-speed Eaton Fuller Roadrangers common in tippers). Breach is s.18(1A) RSA. 0.00 BAC.
3. Enforcement Options & Roadside Focus
- The 9.0t Trailer ATM Trap: HR drivers towing a Dog or Tag trailer rated >9.0t ATM are driving outside licence category (requires HC).
- Tandem Drive Overloads: Weigh bogie drive groups (>16.5t GML limit).
4. Reference Images & Inspection Points
6x4 Bogie-Drive Tipper
Common quarry truck requiring Roadranger manual competence and tandem mass checks.