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Explore specifications, construction, available options, warranty and practical product information.
3500kgATM Rating
2820kgApprox. Payload
680kgTare Weight
2400mm × 1530mm × 300mm internal areaTrailer Size
5 YearsStructural Warranty
Overview
Product Overview
Heavy-duty 8×5 hot-dip galvanised tandem axle box trailer with 425mm sides, reinforced checker plate floor and 3500kg ATM.
The KKT-T85UH3500 is a tandem axle hot-dip galvanised box trailer with a 3500kg ATM, 680kg tare weight excluding cage and 2820kg load capacity.
Its internal loading area measures approximately 2400mm × 1530mm × 300mm, providing a practical 8×5 body size for trade, construction, landscaping, farm and general transport tasks.
The trailer combines a reinforced checker plate floor with 70mm × 50mm SHS support, 425mm fully welded sides, removable front and rear drop-down gates, full step-up platforms on both sides, tie-down rails all around and welded ladder rack holders.
The tandem axle running gear includes dual 50mm solid round axles with parallel bearings, rocker roller suspension, 12-inch electric drum brakes on all four wheels, 15-inch wheels and 195/15 tyres.
Features & Uses
Features & Recommended Uses
Key Features
3500kg ATM
680kg tare weight excluding cage
2820kg load capacity
Approximate 8×5 trailer size
Internal dimensions: 2400mm × 1530mm × 300mm
1800mm drawbar length
150mm × 50mm RHS drawbar section
Hot-dip galvanised box trailer design
Checker plate floor
70mm × 50mm SHS floor reinforcement
Left-to-right and front-to-back floor reinforcement
425mm high fully welded sides
Removable front drop-down gate
Removable rear drop-down gate
Full step-up platforms on both sides
Tie-down rails all around
Welded ladder rack holders
2 heavy-duty locking points on drawbar
Dual 50mm round solid axles
Parallel bearings
60mm rocker roller suspension
7-leaf, 7mm spring setup
12-inch electric drum brakes
Braking on all four wheels
15-inch wheels
195/15 tyres
50mm coupling rated to 3500kg
3500kg electric coupling
8-inch swing-up jockey wheel
LED tail lights
7-pin trailer plug
Compatible with flat, small round and large round connections
Recommended Uses
Construction material transport
Trade equipment transport
Landscaping work
Farm and acreage use
Property maintenance
Tool and equipment transport
Bulky cargo transport
Worksite material transport
Commercial transport use
Compatible machinery and cargo transport
Specifications
Technical Specifications
Model / SKU
KKT-T85UH3500
3D URL
tandem_box_trailer
Trailer Type
Tandem Axle Box Trailer
Size
8x5
ATM
ATM 3500kg
Axle Type
Tandem Axle
Brake Type
Electric Braked
Body Finish
Hot Dip Galvanised
Build & Towing
Build, Capacity & Towing
3500kgATM
680kgTare
2820kgApprox. Payload
Axle Type
Tandem Axle
Brake Type
Electric Braked
Body Finish
Hot Dip Galvanised
Towing components
Brakes
Electric Braked
Axle
Tandem Axle Box Trailer
Fitted accessories can change trailer weight and carrying capacity. Confirm the final configuration and your towing vehicle's limits before use.
Options & Included
Options & Included Equipment
425mm Fully Welded Sides
The 425mm high fully welded sides provide added containment for tools, materials and compatible cargo.
All cargo must be properly secured before transport.
Reinforced Checker Plate Floor
The checker plate floor is reinforced with 70mm × 50mm SHS supports running left to right and front to back.
The floor should be kept clean and inspected regularly, especially after carrying heavy, wet or abrasive loads.
Removable Drop-Down Gates
The removable front and rear drop-down gates provide improved access to the trailer body.
All gates must be correctly closed and secured before towing.
Full Step-Up Platforms
Full step-up platforms are fitted on both sides of the trailer for practical access.
The platforms should be kept clear of loose items before transport.
Tie-Down Rails
Tie-down rails are fitted all around the trailer to provide practical restraint points.
Only appropriately rated restraint equipment should be used.
Welded Ladder Rack Holders
Welded ladder rack holders provide flexibility for compatible trade use.
Any ladder rack or long item must be correctly fitted and secured before towing.
Heavy-Duty Drawbar Locking Points
The drawbar includes 2 heavy-duty locking points.
These provide additional practicality for securing compatible accessories or equipment.
Electric Brakes
The trailer is fitted with 12-inch electric drum brakes on all four wheels.
A compatible electric brake controller is required in the towing vehicle.
Rocker Roller Suspension
The 60mm, 7-leaf, 7mm rocker roller suspension is designed for tandem axle trailer applications.
It supports stable load handling and practical towing performance.
3500kg Electric Coupling
The trailer includes a 50mm electric coupling rated to 3500kg.
The towing vehicle and towbar must be rated for the trailer’s actual loaded weight.
Compatible options, when offered, are shown in the product configuration section above.
What's Included
KKT-T85UH3500 tandem axle box trailer
3500kg ATM configuration
Hot-dip galvanised box trailer design
Checker plate floor
70mm × 50mm SHS floor reinforcement
425mm high fully welded sides
Removable front drop-down gate
Removable rear drop-down gate
Full step-up platforms on both sides
Tie-down rails all around
Welded ladder rack holders
2 heavy-duty locking points on drawbar
1800mm drawbar
150mm × 50mm RHS drawbar section
Dual 50mm round solid axles
Parallel bearings
60mm, 7-leaf, 7mm rocker roller suspension
12-inch electric drum brakes on all four wheels
15-inch wheels
195/15 tyres
50mm electric coupling rated to 3500kg
8-inch swing-up jockey wheel
LED tail lights
7-pin trailer plug
Flat, small round and large round plug compatibility
Cage, cargo, machinery, straps, registration and items not specifically listed in the selected configuration or quotation are not included.
The trailer has a maximum 3500kg ATM.
The stated tare weight is 680kg excluding cage.
The stated load capacity is 2820kg.
If a cage or additional accessories are fitted, the final tare weight may increase and available payload may decrease.
Final payload should be confirmed against the certified tare weight shown on the compliance plate.
Loads must be evenly distributed and properly secured before towing.
Cargo must be suitable for the trailer size, side height and legal loaded weight.
Front gate, rear gate and loose items must be fully secured before towing.
A compatible electric brake controller is required in the towing vehicle.
The towing vehicle and towbar must be rated for the trailer’s actual loaded weight.
Lights, brakes, bearings, tyres, gates and coupling should be checked regularly.
Images may show optional equipment or a representative configuration.
Component appearance may vary slightly between production batches.
Warranty & FAQ
Warranty & Frequently Asked Questions
5-Year Structural Warranty
Eligible new King Kong Trailers. Terms and conditions apply.
1-Year Component Warranty
Selected components, including leaf springs, lights, wiring and jockey wheels. Terms and conditions apply.
Can I add accessories to this trailer?
Compatible accessories are shown in the product configuration section where available. Options vary by model; please confirm compatibility before ordering.
Does the displayed price include registration?
Registration is not included unless selected. Registration availability, administration fees and pickup-related charges depend on the selected configuration and branch.
Can I pay a deposit instead of the full amount?
Where offered in the checkout or quotation process, a deposit option may be available. Please check the payment information shown for your selected product.
Which pickup branch should I select?
Select the most convenient available pickup location. Stock, registration services and charges may vary between Penrith, Gosford, Newcastle, Queanbeyan and Dubbo.
Are the product images and 3D models exact specifications?
Images and 3D models are for reference. Final specifications may vary with production updates, stock and selected accessories.
What warranty applies to a new King Kong trailer?
Eligible new King Kong trailers have a five-year structural warranty. Selected components, including leaf springs, lights, wiring and jockey wheels, have a one-year warranty. Terms and conditions apply.
Need help choosing?
Confirm the right setup before you order.
Our team can help confirm the correct product, ATM rating, accessories, registration option, stock and pickup location for your requirements.
Compare key specifications across closely
related models. The current product is
highlighted so you can quickly review size,
capacity and running-gear differences.
Swipe or scroll horizontally to compare all models.
Construction material transport, Trade equipment transport
Trade equipment transport, Construction material transport
Trade equipment transport, Landscaping work
Construction material transport, Trade equipment transport
Build Details
Built better where it counts.
A closer look at the construction details commonly found
across the King Kong Trailers range. Select a feature to
explore the materials, structure and practical finishing
behind the build.
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Universal Trailer Details
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Compare Your Options
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Three relevant alternatives selected from the
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KKT-T85UH3500 - 8×5 Tandem Axle Hot-Dip Galvanised Box Trailer 3500kg ATM ·
8×5 · 3500kg ATM · Tandem Axle
From choosing the right setup to collecting with confidence.
A trailer purchase should feel clear from the beginning.
Our role is to help remove uncertainty around
product choice, final setup and collection, so you know what
you are ordering before you arrive.
Three stages. One clear process.
This section focuses only on the buying and handover
experience, without repeating specifications, warranty,
finance or branch information shown elsewhere.
01
Choose with clarity
Review the selected model, intended use and compatible
equipment before placing an order or requesting a quote.
→02
Confirm before collection
Our team can verify the final setup and collection
requirements before you travel, reducing last-minute
changes and uncertainty.
→03
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Receive a practical handover and clear guidance on the
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Customer Reviews
Trusted by customers who rely on their trailers.
Fifteen selected five-star customer reviews and ratings.
On desktop, the carousel moves three reviews at a time so
visitors can browse more feedback with fewer transitions.
Auto playing · 3 reviews per slide
“
Shawn and the team were great to deal with. This is the
second trailer I’ve purchased from them. Needless to say,
good quality.
Keegan ByrnesGoogle Review
“
Great service and availability. Shawn helped make sure
we had everything we needed with the trailer. Easy to
communicate with and super friendly.
PHYLLi DesignsGoogle Review
“
Exceptionally quick service and a very well-manufactured
trailer. I bought an 8×5 trailer with a ramp, high sides,
spare wheel and toolbox and got good value for money.
Connect3 Pabbly ConnectGoogle Review
“
Highly recommended to everyone. Good price with
fantastic service.
Dave LeeGoogle Review
“
Very helpful service and awesome build quality.
The trailers are heavy duty.
William ThomsonGoogle Review
“
Great service. Will definitely be using these guys
again in the future.
Alex FullerGoogle Review
“
The product is great and the team are very helpful.
Kevin FraserGoogle Review
“
Excellent service and great products. Highly recommended.
Rong LiGoogle Review
“
Thank you to the team for their excellent service.
Giorgios SiailisGoogle Review
“
Excellent business to deal with. Fred and Shawn were
very helpful.