Why Motorhome Weight Checks Are Non-Negotiable in Australia
Unlike caravans, motorhomes carry the engine, living quarters, and all your gear in one integrated unit. This makes weight distribution critical—exceeding limits risks suspension failure, tyre blowouts, or loss of control.
- Legal Compliance: Australian Design Rules (ADR) and state regulations cap Gross Vehicle Mass (GVM) and axle loads. Exceed them? Expect $600+ fines and defect notices.
- Safety First: Overloaded front axles reduce steering response; rear overloads cause sway on highways.
- Warranty Protection: Manufacturers void warranties if GVM is breached—our certified reports prove compliance.
With fuel prices soaring, a balanced motorhome can also save up to 15% on diesel by reducing strain on drivetrain components.
Motorhome Types We Weigh: From Compact Campers to Luxury A-Class
No two motorhomes are the same. Our mobile service covers every class with precision scales and digital reporting:
| Motorhome Class | Common GVM Range | Key Check Points |
|---|---|---|
| Campervans (e.g., VW Crafter, Fiat Ducato) | 3,500–4,500 kg | Front axle bias from cab conversions; water tank placement |
| C-Class (e.g., Winnebago, Avida) | 4,500–6,000 kg | Slide-out weight shifts; garage storage impact |
| A-Class (e.g., Sunliner, Paradise) | 6,000–12,000 kg | Tag axle balance; rooftop solar & satellite dish loads |
Pro Tip: Even “lightweight” Fiat Ducato-based vans often exceed 3,500 kg when fully loaded—pushing drivers into Light Rigid (LR) licence territory.
Real WA Motorhome Case Studies: Before & After Weighing
We have helped hundreds of grey nomads and families optimise their rigs. Here are actual cases:
- Fiat Ducato Campervan – Margaret River
Issue: 180 kg over front axle after adding rooftop solar + bike rack.
Fix: Relocated spare tyre to rear; adjusted water fill to 50%.
Result: Balanced axles, 12% better fuel economy, no more steering wander. - Iveco Daily A-Class – Esperance
Issue: 800 kg garage overload (motorbike + tools). Tag axle under by 300 kg.
Fix: Redistributed jerry cans; upgraded rear springs.
Result: Passed Main Roads WA inspection; avoided $2,200 in potential fines. - Mercedes Sprinter 4×4 – Ningaloo Reef
Issue: Off-road mods (bull bar, winch, dual batteries) shifted CoG forward.
Fix: Installed rear weight distribution kit; moved pantry items aft.
Result: Restored 4WD traction; safer coral coast corrugations.
Step-by-Step Motorhome Weight Check Process
- Book Online: Select “Motorhome Weigh” at caravanweightcheck.com.au
- We Come to You: Mobile service from Perth to Broome
- Full Weigh-In: Individual axles + total GVM using certified scales
- Digital Report: Instant PDF with compliance status, load recommendations, and photos
- Expert Advice: Face-to-face tips on packing, upgrades, and licence needs
Average time: 45 minutes. Cost: Flat Fee $150.
Licence Requirements for Motorhome Drivers in Australia
| Motorhome GVM | Required Licence |
|---|---|
| Up to 4,500 kg | Standard Car (Class C) |
| 4,501–8,000 kg | Light Rigid (LR) – automatic if auto trans |
| Over 8,000 kg | Medium Rigid (MR) or higher |
Did you know? Many “4.5-tonne” motorhomes tip the scales at 4,800+ kg when loaded—requiring an LR upgrade. We will calculate your exact needs.
Packing Smart: Motorhome Weight-Saving Hacks
- Ditch the Duplicates: One kettle, not three.
- Water Discipline: Fill tanks to 50% for transit; top up at destinations.
- Lightweight Upgrades: Swap cast-iron cookware for titanium; use collapsible silicone.
- Garage Audit: Weigh motorbikes, BBQs, and generators before loading.
Every 100 kg saved = ~0.5 L/100 km diesel saved.
FAQs: Motorhome Weight & Compliance in Australia
Q: Can I drive a 5-tonne motorhome on a car licence?
A: No—anything over 4,500 kg GVM requires an LR licence in WA.
Q: How often should I weigh my motorhome?
A: Annually, or after modifications, new gear, or water tank upgrades.
Q: Do slide-outs affect weight distribution?
A: Yes—extended slide-outs shift CoG outward. We weigh in both positions.
Q: What if I’m over GVM?
A: We provide a prioritised offload plan. Options include GVM upgrades (legal engineering cert required).
Book Your Motorhome Weight Check Today
Don’t risk your dream trip on guesswork. Get a certified mobile motorhome weighing anywhere – Perth, Bunbury, Albany, Exmouth, or beyond.
Call: 1300 996 072
Book online: https://caravanweightcheck.com.au/enquiries/
Email: info@caravanweightcheck.com.au
