Licensing, Safety & Maintenance Overview


Every trailer includes LED lights, manufacturers VIN plate and VIN number ready for registration. This complies with all state and territory regulations.
Extra Particulars: every state is different in regards to registration of trailers.

Please ensure you have your invoice when you visit any licensing centre and the Licensing Information Sheet for either an FMT or FBT in order to correctly complete the paperwork.
Licensing Information Sheet (FMT)
Licensing Information Sheet (FBT)

You may also need Bulldog Folding Trailers’ Vehicle Import Approval documentation. If you do, please contact us and we will email the appropriate documents to you.


Self Assessment Form: Please contact us to receive the form or your local licensing centre to obtain the form online.


Weighbridge Certificate: This certificate is required in the State of NSW. Please print and take into the licensing centre with you. In NSW the trailer needs to be taken over the pits for inspection. Please call your local centre and find out about the process.
Weighbridge Certificate (FMT)
Weighbridge Certificate (FBT)


Bulk Licensing Form MR1A: Bulldog Folding Trailers has bulk licensing which means we can licence the trailer for you. Please print off the Bulk Licensing Form MR1A in full colour and post back to us. Please contact us for the postal address.

If you have any further questions about licensing, please do not hesitate to contact us and we will be more than happy to assist you.

Safety and Maintenance

Bulldog Folding Trailers are built to VSB1 which is the Vehicle Standards Bulletin for trailers in Australia  that do not exceed 4.5 tonnes (4500kg)  aggregate trailer mass.
Wheel Alignment and Draw bar Alignment:
The procedure to ensure the wheel alignment and draw bar alignment is “true”  is in the operation manual. An operation manual comes with every trailer.
When you have the wheel alignment accurate to the mm, tip mark the position of the bolt and nut relative to the axle assembly bracket adjustment slot for easy visual inspections.  
Do a visual and hand inspection of nuts and bolts to ensure they are not loose. 
Check wheel guards to ensure the lock nut is tight and there is no movement of the guard on the spigot.

Towing Vehicle Capacity

The maximum vehicle towing capacity is the entire trailer weight including the load. Bulldog Folding Trailers has been carefully designed to not exceed a typical compact vehicle’s tow capacity (usually a minimum of 450kg). This allows nearly any properly licensed vehicle (from small cars to larger 4Wd’s) to safely tow the trailer. We do advise that you check your vehicle specifications for more specific information.

Hitch Capacity – 750kg Static load

Hitches are rated for gross trailer weight (GTW) and tongue weight (TW). The gross trailer weight is the total weight of the trailer including the load. Trailer tongue weight (TW) is the amount of downward weight on the tongue. The tongue weight should be 10 to 15% of the total trailer weight. The Bulldog Folding Trailer has been outfitted with a B50 – X (50mm) ball hitch which can handle nearly ten times more than its rated GTW and TW. It is always recommended that the vehicle’s hitch be installed by a professional reputable shop.

Check-list Before Use

  1. Tyres are properly inflated. Check the operation manual for the correct PSI
  2. Trailer lighting is working properly.
  3. Hitch and tongue free of deformities and defects.
  4. The trailer is setting level with the tow vehicle.
  5. Trailer ball should be lightly greased.
  6. Safety chains should be long enough for tight turns.
  7. Safety chains should be crossed in case of a hitch or coupler failure.
  8. Safety chains should not touch the ground.
  9. Lighting hookup wire should be long enough for tight turns.
  10. Lighting hookup should not touch the ground
  11. Check that all nuts and bolts are properly tightened.

Wheel Bearing Maintenance

Trailer wheel bearings should be greased every six months and before long trips. Check them during long trips by feeling the hub for excessive heat. Caution: If the bearing is adjusted too tight or is low on grease it can get excessively hot! A hot bearing needs immediate attention. Grease or proper adjustment will normally ease the problem, but bearing replacement may be necessary.

Bearing Replacement

  1. Remove dust cap, cotter pin, nut, and washer. Pull hub off spindle.
  2. Use a hammer and a mild steel bar to drive out old inner cups.
  3. Use a solvent such as kerosene to clean the hub, nut, washer and spindle. All dirt and old grease must be removed.
  4. Inspect inside the hub where the cups seat and the spindle for scoring, pitting, bending, dents, thread or other damage. Pay close attention to the raised rear surface of the spindle where the grease seal grips. If it is scored or pitted the grease seal may leak.
  5. File off nicks or burrs using a fine file or emory cloth, then wipe away any filings, then re-clean with solvent.
  6. Coat the spindle and the inside of the hub lightly with grease.
  7. Use the mild steel bar to drive the new cups in to the hub until they are solidly seated. Do not damage the cup surfaces.
  8. Pack both bearings with grease forcing grease inside the cage in-between all the rollers starting at the large end until grease shows at the small end.
  9. Install the packed rear bearing in the hub.
  10. Install the grease seal. Don’t hammer directly on the seal. Use a block of wood. Take care to drive the seal in straight. Seal should be flush to the outside surface of the hub.
  11. Fill the hub, in behind the seal, with grease then slide the hub over the spindle being careful not to damage the seal against the spindle. Pack the hub full of grease.
  12. Install the packed outer bearing and cup then pack more grease into any voids and install the washer and nut.
  13. While turning the hub, use a 12” wrench to tighten the nut until the hub begins to bind indicating that all the bearing parts are sealed properly.
  14. Back off the nut about ¼ turn, as needed, until you have between .001” to .007” of end play.
  15. Warning: Failure to back off the nut to allow end play may cause the bearings to overheat and fail creating a risk of serious bodily harm.
  16. Lock the nut in place using a new cotter pin.
  17. Re-check end play. Install the dust cap.