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Ford Ranger Super Duty Chassis Extension

Product Description

With the arrival of the new 2026 Ford Ranger Super Duty, enhanced capability is front of mind — and for those seeking increased load-carrying practicality and improved handling under heavy loads, a 300mm chassis extension may be the solution.

Purpose-Built for Real-World Demands

Whether you’re fitting a service body, carrying oversized cargo, or towing serious loads, this extension delivers:

  • Improved dynamic stability under load
  • Greater load area and mounting flexibility
  • A more balanced and capable platform overall

Engineered for the Ranger Super Duty

Designed specifically for the Ford Ranger Super Duty, this 300mm chassis extension has been redeveloped for compatibility with the upcoming Super Duty platform — ensuring structural integrity, balance, and compliance are maintained to OEM standards.

  • Fully tested and validated by independent engineering signatories
  • Developed with vehicle-specific load distribution and safety in mind

Compliance You Can Trust

Multidrive Technology offers two compliance pathways:

Pre-registration fitment under Second Stage Manufacture (SSM) approval
Post-registration upgrades via VASS Engineering Certification

Every vehicle is certified, signed off, and ready for duty — on the road or off it.

More Than Just a Stretch, We also offer:

  • Tray fitment and custom body solutions
  • Integration with other accessories or fleet-specific requirements

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How much does a chassis extension for Ford Ranger Super Duty cost in Australia? 

Budget from $7,500–$12,000 AUD for a 300 chassis extension, and $15,000–$30,000+ when bundled with GVM/GCM upgrades, suspension, engineering and certification. Final pricing depends on scope and state-based approval.

Pricing snapshot

  • Base extension: typically $7.5k–$12k (fabrication, crossmembers, paint/coating).
  • Engineering & certification: $1.5k–$4k, depending on jurisdiction and test requirements.
  • Add-ons often chosen for mining: uprated suspension, brake upgrades, heavy-duty trays, tow upgrades — these push projects into the $20k–$30k+ range.

What influences the cost?

Extension length & design
The length of your extension requirements.A 300mm extension is standard. Anything longer requires extra steel, more welding time, and deeper driveline changes.

Driveline, brakes & electrics
Expect tailshaft work, brake-line reroutes, ABS/ESC recalibration, wiring extensions, and full corrosion protection — each adds parts and labour.

Compliance pathway
Costs shift with state sign-off, SSM/federal approval, and the load rating you’re targeting. More testing and documentation = higher spend.

Site-ready setup
Bundling fit-out pushes the cost up: tray fitment, long-range tank, service body or canopy, air systems, dual batteries, tow gear, and mine-spec lighting — all often done in the same job.

Benefits of a chassis extension

For payload distribution, towing stability, and tray real estate, extensions can make a Ranger Super Duty more suitable for tool loads, service bodies and long wheelbase requirements. Always confirm post-mod GVM/GCM, turning circle, ramp-over, and warranty position before committing.

Can I finance a chassis extension modification through Australian automotive lenders?

Short answer: yes.— but the pathway depends on how and when the work is done.

All Multidrive technology extensions can be offered Pre-rego under SSM as well as our range of GVM upgrades, this means that your upgrades can be added to your new vehicle deal via the dealer and be included in your vehicle finance.

Finance options

  • Business chattel mortgage / commercial hire purchase
    Suitable for fleets and ABNs. The loan is secured against the vehicle; the chassis extension and related gear can be bundled into the invoice if quoted at the same time as the vehicle or via an approved upfitter.
  • Finance lease / operating lease
    Works when the lender approves the modification list upfront and the vehicle returns within agreed specs at end of term.
  • Secured car loan (consumer)
    Possible if the extension is part of the dealer delivery or financed with an SSM/federally approved package. Many retail lenders won’t fund major mods after delivery.
  • Unsecured loan
    A fallback for post-purchase work, but rates are usually higher and terms shorter.
  • Equipment finance
    For add-ons such as service bodies, long-range tanks and mine-spec electrics if separated from the base vehicle.

What lenders and insurers look for

  • Engineering certificates and compliance docs (state and/or federal).
  • Updated GVM/GCM paperwork and tyre/load ratings.
  • Insurance acceptance of the post-mod vehicle.
  • Residual value impact, LVR, and vehicle age/kilometres.

 

Tip: If you plan to finance, line up quotes and compliance details before settlement so the lender can include the extension in the primary facility.

Are there any warranties offered with a chassis extension for Ford Ranger Super Duty?

Yes. If you choose Multidrive Technology, our chassis extensions are covered by a 3-year / 100,000 km warranty. That gives fleets a clear window of protection across typical duty cycles in mining and remote logistics.

What the warranty usually covers

  • Workmanship and structural components related to the extension.
  • Engineered parts supplied as part of the modification.
  • Support if defects arise under normal use and within the rated GVM/GCM and towing limits.

What to check in the fine print

  • Approved installers: Warranty generally applies when the work is completed by Multidrive or an authorised partner.
  • Service and inspections: Keep to the scheduled checks and retain records; missed inspections can void coverage.
  • Use within ratings: Overloading, unapproved accessories, or off-book changes can void claims.
  • Corrosion and wear items: Coatings and wear parts may have separate terms.
  • Transferability: Ask whether coverage transfers to a new owner—useful for fleet resale planning.

OEM warranty considerations

A properly engineered extension shouldn’t cancel the vehicle’s entire factory warranty, but the modified area is typically covered by the modifier (e.g., Multidrive), not the OEM. Keep your approval documents, mod plates, and engineering certificates on file.

Claims process

Report issues early, document the fault, provide service history, and avoid further use if safety is in question. This speeds assessment and keeps downtime down.

 

How long does a professional chassis extension installation take?

For a Ford Ranger Super Duty, plan for 5–10 business days of workshop time once the vehicle is on the hoist. Total project duration can be longer when you include engineering sign-off, parts availability, and any extra fit-out.

Installation timeline (vehicle on site)

  • Day 1: Intake, measurements, strip-down, jig setup.

  • Days 2–3: Cut, sleeve/insert, box and weld the chassis; add crossmembers.
  • Day 4: Driveline changes (tailshaft, brake lines), wiring extensions, corrosion protection and coating.
  • Day 5: Reassembly, alignment, quality checks.
  • Days 6–8 (if required): GVM/GCM upgrades, suspension, brake package, tray/service body fitment.
  • Days 9–10: Engineering inspection, road test, paperwork, mod plate.

Lead time before the booking

Allow 2–6 weeks for parts, jig availability, and paperwork. Pre-booking helps fleets lock in a slot and reduce downtime.

What can extend the schedule

  • Scope: Longer wheelbase changes, dual-cab to cab-chassis conversions, or complex trays and canopies.
  • Compliance pathway: State requirements, test bookings, or SSM/federal processes.
  • Accessories: Long-range tanks, compressors, dual batteries, tow upgrades, mine-spec lighting.
  • Discovery items: Rust repair, accident damage, or unexpected driveline wear.

How fleets minimise downtime

  • Approve the final scope and drawings before the vehicle arrives.
  • Confirm parts are on hand, including suspension and brake kits.
  • Bundle sign-off and inspection into the booking window.
  • If ordering new vehicles, consider pre-registration work via an approved upfitter so the vehicle arrives ready for site.

Want a firm estimate for your spec? Share your wheelbase target, accessory list, and state, and we’ll map a dated schedule with deliverables.

NSVs Quick Release Extinguisher Clamps

Securely holds an 80mm, 1kg fire extinguisher and allows rapid access in emergencies. Designed for simplicity under pressure—no fiddly parts or complex mechanisms.

Includes a vehicle-specific powder-coated bracket. Installation takes ~20 minutes. Crash-tested and compliant with ECE and ADR standards.

Note: Fire extinguisher not included.

Aluminium Fleet Trays

Our aluminium fleet tray for the Ford Ranger Super Duty is purpose-built to meet the demands of heavy-duty fleet applications, offering a lightweight yet robust solution through precision-engineered extruded aluminium. Designed to integrate seamlessly with the Ranger Super Duty platform, the tray features a modular T-slot mounting system that allows easy fitment of accessories like tool holders, undertray storage, wash bays, and more. Fully designed, tested, and assembled in Australia, the tray is shake-tested for durability and can be paired with GVM upgrades, dual battery setups, and other essential fleet accessories—delivering a versatile and future-ready solution for serious load-handling.

Our Service Options

GVM Upgrades

6x6 Conversions

Differential Upgrades

Chassis Modifications

Fleet Solutions

Trays

Dual Batteries

Accessories

  • 25 Hume Reserve Court, Bell Park, VIC 3215
  • (03) 5240 7150
  • sales@multidrive.com.au

4x4 GVM Upgrades

  • 3780KG GVM UPGRADE – SUITS LC78/79
  • 3780KG PARABOLIC GVM UPGRADE – SUITS LC78/79
  • 3950KG GVM UPGRADE – SUITS LC78/79
  • 3950KG PARABOLIC GVM UPGRADE – SUITS LC78/79
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  • 3510KG PARABOLIC GVM UPGRADE – SUITS HILUX 8GEN
  • 3510KG GVM UPGRADE – SUITS RANGER PX3
  • 3510KG PARABOLIC GVM UPGRADE – SUITS RANGER PX3
  • 3700KG GVM UPGRADE – SUITS NEXT GEN FORD RANGER
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Custom 4x4 Ute Trays

  • Aluminium Fleet Tray – Suits D/C Models
  • Aluminium Fleet Tray – Suits S/C Models
  • NORWELD TRAY/CANOPY – SUITS MOST CAB CHASSIS
  • NORWELD TRAYS

Fleet Solutions

  • FIRE SPECIFICATION CAB CHASSIS SUITS-LC79SC
  • FIRE SPECIFICATION CAB CHASSIS – SUITS RANGER PX3 SC

Accessories

  • CHILD RESTRAINT ANCHOR KIT – SUITS LC79DC
  • DUAL ARMREST KIT – SUITS LC70S
  • OEM WINCH SOLENOID RELOCATION KIT SUITS TOYOTA LC70S W/ DUAL BATTERY
  • INTEGRATED LED LIGHTBAR – SUITS LC200

6x6 Conversions

  • SIX WHEEL CONVERSION (6×4) – SUITS LC79SC
  • SIX WHEEL CONVERSION (6×6) – SUITS LC79SC
  • SIX WHEEL CONVERSION (6×4) – SUITS LC79DC
  • SIX WHEEL CONVERSION (6×6) – SUITS LC79DC
  • SIX WHEEL CONVERSION (6×4) – SUITS HILUX 8GEN
  • SIX WHEEL CONVERSION (6×6) – SUITS HILUX 8GEN

Chassis Extensions

  • 300mm CHASSIS EXTENSION – SUITS LC79SC
  • 300mm CHASSIS EXTENSION – SUITS LC79DC
  • 500mm CHASSIS EXTENSION – SUITS LC79DC
  • 300mm CHASSIS EXTENSION – SUITS RANGER PX3
  • 300mm CHASSIS EXTENSION – SUITS RANGER SUPER DUTY
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