Our Capabilities
ALAMCOR is an accredited Vehicle Assessment Signatory Scheme (VASS) engineering provider specialising in heavy vehicle modification assessment and certification. We deliver independent compliance inspections, engineering reports, blue plates and approval documentation for modified heavy vehicles across transport, civil, mining, and municipal sectors across Victoria.

Heavy Vehicle VASS Capabilities
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Exhaust System alteration (A4)
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Transmission substitution or additional fitting (B1)
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Tail Shaft alterations (C1)
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Rear Axle installation (D1)
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Relocation of airbrakes (G1)
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Brake system certification (G4)
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Fitting of Air Operated Accessories (G6)
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Wheelbase Extension outside OEM options (H1)
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Wheelbase Reduction outside OEM options (H2)
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Wheelbase alterations within OEM options (H3)
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Chassis Alteration (H4)
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Body mounting (J1)
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Fitting of roll-over or falling object protection system (J3)
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Tipper Bodies (J4)
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Seating Capacity Alteration, seat, seatbelt and anchorage installation (K1)
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Fuel system alterations (M1)
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Towbar and coupling installation other than fifth wheels and kingpins (P1)
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Fifth wheel and kingpin installation (P2)
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Installation of vehicle mounted lifting system (R1)
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GVM/GCM re-rating (S1)
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Construction of tow trucks (T1)
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Design of tow trucks (T2)
More certification codes coming soon
Technical Assessment Services
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Engineering inspections and compliance reports
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VASS approval documentation and signatory reports
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VSB6 modification code assessments
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ADR and vehicle standards compliance checks
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Design and calculation review
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Rectification advice and re-inspection services


Technical Resources
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Heavy vehicle inspection and measurement tools
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Axle spacing, mass and dimension calculation software
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Structural and mounting assessment tools
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Engineering calculations and analysis software
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CAD drawing review capability
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Standards and regulatory compliance libraries
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Photo and documentation reporting systems
Standards & Compliance Framework
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VicRoads / NHVR VASS requirements
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National Heavy Vehicle guidelines
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VSB6 & relevant modification codes
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Australian Design Rules (ADRs)
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Applicable Australian Standards
