heavy vehicle modifications

At HYPE Engineering, we specialize in certifying a comprehensive range of heavy vehicle modifications, ensuring compliance with Queensland’s regulations and the National Heavy Vehicle Regulator (NHVR) standards. Our expertise covers vehicles exceeding 4.5 tonnes Gross Vehicle Mass (GVM), providing professional assessments and certifications for various modifications.

We are authorised to certify the following modifications.

Section A – Engines

  • A1: Engine substitution
  • A2: Air cleaner substitution or additional fitment
  • A3: Turbo charger installation
  • A4: Exhaust system alteration
  • A5: Road speed limiter installation

Section B – Transmission modification

  • B1: Transmission substitution of additional fitment

Section C – Tail shaft modification

  • C1: Tail shaft alterations

Section D – Rear axles

  • D1: Rear axle installation
  • D2: Differential substitution
  • D3: Fitting of non-standard rear wheel components

Section E – Front axle, steering wheels and tyres

  • E1: Front axle installation
  • E2: Steering alteration
  • E3: Fitting of non-standard front wheel components

Section F – Suspension modifications

  • F1: Suspension substitution
  • F2: Trailer suspension modifications

Section G – Brakes

  • G1: Relocation of air brake components
  • G2: Installation of trailer braking controls
  • G3: Trailer brake system upgrade
  • G5: Fitting of auxiliary and endurance brakes
  • G6: Fitting of air operated accessories
  • G7: Brake system substitution/wheelbase extension
  • G8: Trailer brake system upgrade (design)

Section H – Chassis

  • H1: Wheelbase extension outside OEM options
  • H2: Wheelbase reduction outside OEM options
  • H3: Wheelbase alterations within OEM
  • H4: Chassis alteration
  • H5: Trailer chassis modifications

Section J – Body mounting

  • J1: Body mounting
  • J2: Truck-bus body fitting
  • J3: Fitting of roll-over or falling object protection system

Section K – Cabin

  • K1: Seating capacity alteration, seat, seatbelt and anchorage alteration
  • K2: Certification of seat and seatbelt anchorage
  • K3: Cabin conversions
  • K5: Installation of wheelchair occupant restraint system
  • K6: Child restraint anchorage installation

Section M – Fuel systems

  • M1: Fuel system alterations

Section P – Tow couplings

  • P1: Towbar and coupling installation other than fifth wheels and kingpins
  • P2: Fifth wheel and kingpin installation

Section R – Vehicle mounted lifting systems

  • R1: Installation of vehicle mounted lifting systems
  • R2: Wheelchair loader installation

Section S – Vehicle rating

  • S1: GVM/GCM re-rating (to S2 or S3 approved design or within manufacturer’s specifications)
  • S2: GVM re-rating (design)
  • S3: GCM re-rating (design)
  • S4: GVM rating (rigid omnibus) (stand-alone Queensland code)
  • S5: GVM rating (articulated omnibus) (stand-alone Queensland code)
  • S6: Omnibus licencing evaluation (stand-alone Queensland code)
  • S7: ATM/GTM re-rating
  • S10: Concessional livestock loading (stand-alone Queensland code)
  • S11: Road train trailer rating
  • S12: ATM/GTM re-rating (design)
  • S13: Bus life vehicle rating

Section T – Tow truck modification

  • T1: Tow trucks (construction)
  • T2: Tow trucks (design)