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3 Axle Side Dump Semi Trailer — 50 Ton Hydraulic Side Tipper

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3 Axle Side Dump Semi Trailer — 50 Ton Hydraulic Side Tipper

The 3 axle side dump semi trailer is a self-discharging semi-trailer that tips its steel body to the left or right instead of tipping backwards. It carries up to 50 t of ore, coal, sand, gravel or construction spoil in a body of roughly 30 m³, and discharges it through a five-cylinder hydraulic system (4 × φ125 mm + 1 × φ140 mm) driven by the tractor PTO. Because the truck never has to reverse into a pit or turn around on the stockyard, one side tipping trailer shortens the haul cycle on flat quarry and yard floors.
PRODUCT DESCRIPTION

Specifications at a Glance

Payload
50 t
≈30 m³ body volume
Axles
3 × 13 t
FUWA or Huajing
Hydraulics
5 cylinders
4 × φ125 + 1 × φ140 mm
Discharge
Side
Left or right, built to order

What Is a Side Dump Semi Trailer?

A side dump semi trailer — also sold as a side tipper semi trailer or side tipping trailer — is a semi-trailer whose body is hinged to the frame and raised sideways by hydraulic cylinders, so the cargo is discharged over the side rail rather than out of the back. The body carries a steel floor with 2.3 mm Q235 side walls divided into three or five doors per side, and each side door is hinged at the top so it lifts and swings clear as the body rises.

That design changes the haul cycle. A rear dump trailer has to reverse into position and needs a pit, an embankment or a clear run-out after tipping. The side dump trailer is loaded and unloaded from level ground: the tractor stays in line, the body discharges to the kerb side, and the unit drives straight out. On a quarry floor, a coal stockyard or a construction spoil tip, that keeps trucks moving instead of queueing for a turnaround.

This 3 axle side dump trailer is built for exactly that duty — a 9,000 mm body on three 13 t axles, on 12 tyres, tipping to one side as specified at order.

Best suited to

  • Iron ore, coal and mineral haulage from pit to stockyard
  • Sand, gravel and crushed stone distribution
  • Construction spoil and excavation removal in tight sites
  • Slag, soil and bulk yard handling on level floors
  • Fleets that already run 6×4 tractors and want a lower cost per tonne
Not the right unit? If your site loads from a silo or needs rear discharge into a hopper, look at the rear dump semi trailer, the side dump semi trailer range or a side wall semi tra

How the Hydraulic Side Tipping Cycle Works

  1. Load. Bulk material is loaded from above with a wheel loader or excavator. The 3 mm steel floor and 2.3 mm Q235 side walls take direct bucket contact.
  2. Travel. The load is carried on three 13 t axles with American-type mechanical suspension and a 500 mm Q345B main beam, with the body locked down on the frame.
  3. Position. The driver pulls up parallel to the discharge line, lowers the JOST A300C landing gear where the ground demands extra support, and engages the tractor PTO.
  4. Tilt. The four φ125 mm cylinders raise the body while the φ140 mm cylinder completes the stroke, and the top-hinged side doors swing clear so the material flows out over the side rail.
  5. Return. The body settles back on the frame, the doors close and lock, and the truck drives away without a turnaround — the reason a side tipping trailer keeps cycle times short on level ground.

Hydraulic and pneumatic controls are grouped on the trailer, and the electrical system runs on standard 24 V with a 7-way harness, so the unit can be hooked to a normal 6×4 tractor rather than a dedicated prime mover.

Full Technical Specifications

Standard export configuration of the 3 axle side dump semi trailer. Dimensions, tare weight, tyre brand, axle brand and painting scheme are confirmed on the approved drawing before production.
ModelTY-SDT-3AX side dump semi trailer
Overall dimensions (L × W × H)9,200 × 2,400 × 3,200 mm (outside)
Body dimensions (L × W × H)9,000 × 2,200 × 1,500 mm (inside)
Body volume≈30 m³
PayloadUp to 50 t
Tare weight≈8.5 t (standard build; varies with body thickness and options)
Side wall2.3 mm Q235 steel, ribbed, three or five doors per side
Body floor3 mm steel plate (flat or diamond plate)
Discharge directionSide — left or right, built to order
Lifting systemFive hydraulic cylinders: 4 × φ125 mm + 1 × φ140 mm, tractor PTO driven
Main beam500 mm height, Q345B; upper plate 16 mm, middle 8 mm, lower plate 18 mm
Side beam16# channel steel
Axles3 × 13 t, FUWA or Huajing
SuspensionAmerican-type mechanical suspension
Leaf spring90 mm (W) × 13 mm (T) × 10 leaves
KingpinJOST 2.0 in or 3.5 in bolt-in, 3.5 in traction pin
Landing gearJOST A300C
Rim9.00–22.5, 12 pcs (special export specification)
Tyres12 pcs — 12R22.5 or 315/80R22.5, Triangle brand or equivalent
Spare wheel carrier2 pcs
Braking systemDual-line air brake, WABCO RE 6 relay valve, spring brake chambers, 45 L air reservoir
ABSOptional — specify ABS or EBS at order
Electrics24 V, 7-way harness; orange side markers, red rear lamps, orange turn signals
PaintingComplete chassis sand-blasted to clean rust, 1 coat anti-corrosive primer, 2 final coats
AccessoriesOne standard tool box, tyre spanner, crank bar, spare wheel carrier
ShippingBulk cargo, RoRo or 40HQ container (4 units in 3 × 40HQ with bolt-on side walls)
Production lead time≈15 working days for one set; 10–30 days depending on quantity

Build Details That Decide Service Life

Hydraulic lifting system

Four φ125 mm lifting cylinders are paired with one φ140 mm cylinder. The body is hinged to the frame through the cylinders and slewing bearings, so the lift is a guided arc rather than a free tilt, and the 140 mm cylinder finishes the stroke at the point where the load breaks loose. The pump is driven from the tractor PTO, which keeps the trailer independent of a separate power pack.

Body, side walls and doors

Side walls are 2.3 mm Q235 steel, ribbed and divided into three or five doors per side. Doors are hinged at the top of the body so they turn up and out of the way as the body rises, and lock bars along the side rail keep the load contained in transit. The floor is a 3 mm steel plate, which is thick enough for direct bucket loading without a liner.

Chassis and running gear

The 500 mm Q345B main beam runs 16 mm / 8 mm / 18 mm plate, supported by 16# channel side beams. Three 13 t FUWA axles with American-type mechanical suspension carry the load on 12 tyres, so the bogie keeps rolling even with a puncture. JOST D200T landing gear and a JOST 2.0 in or 3.5 in bolt-in kingpin are standard fittings, which means spare parts are available in most export markets.

Protection and finish

The complete chassis is sand-blasted to remove mill scale and rust before painting, then finished with one anti-corrosive primer and two final coats. That preparation is the difference between a trailer that still looks like new after two seasons of coal or aggregate work and one that is being repainted at the first wash-down.

Documentation supplied with each unit

  • Approved dimension and welding drawing for your build
  • Axle, tyre, kingpin and landing gear specifications
  • Hydraulic system layout and cylinder data
  • Loading, tipping and lock-down operating instructions
  • Container loading plan where container shipment is used
Ask for the drawing set before you order. The trailer is built to a drawing, not to a brochure — the drawing is where discharge side, door count, floor thickness and tyre brand are fixed. We issue it for approval before cutting steel.

3 Axle Side Dump Semi Trailer — 50 Ton Hydraulic Side Tipper

Factory

3 Axle Side Dump Semi Trailer — 50 Ton Hydraulic Side Tipper

Exhibition

3 Axle Side Dump Semi Trailer — 50 Ton Hydraulic Side Tipper

Workshop
FAQ

Q1、Why choose Tongya Automobile Co.,Ltd ?

1,China leading manufacturer of semi trailer and tanker trailer since 1982,China famous brand, Annual output of 10,000 units different kinds of semi trailers 

2,More than 19 years export experience since 2005, Fully understand different local specs and standard from more than 50 different countries 

3, Customized product is available, with modern and advance production line with all kinds of production equipment and production process

4, Professional technical team with 24 fully experienced engineers


Q2、What can you buy from Tongya Automobile Co.,Ltd?
Bulk Cement Tanker Semi trailer , Fuel Tanker Semi Trailer, Flatbed Semi Trailer, Skeleton Semi Trailer, Lowbed Semi Trailer, Dump Trailer,dolly trailer ,Fence Semi-trailer,Side Wall Semi-trailer, full trailer, Flour tanker trailer, ISO bulk tanker container etc.

 

Q3、Can I visit your factory?
Of course,welcome to visit our factory.we are located in Liangshan, Shandong Province, a face-to-face conversation can serve you better.

 

Q4、How about your delivery time?
10-30 days after receive the deposit, depend on the order quantity.

 

Q5、What payment terms do you use?
 T/T and L/C payment are acceptable.

 

Q6、Which incoterms 2010 terms can we work?

Normally we accept FOB, CFR, CIF.

 

Q7、Is it available to print our own brand on the vehicle?
Yes, we accept to do OEM for well known distributors and dealers.

 

Q8、What information should I let you know if I want to get a quotation?
First, please let us know which kind of trailers you want
Second, Please let us know what kind of cargo that you will load with our trailers? Loading capacity? road condition? 
Third, what trailer size is OK for you, and do you want customized product
Four, your truck specs, like 2.0 or 3.5 inch fifth wheel ? fifth wheel height? 6*4 or 4*2 truck will use ?
Five, order quantity, destination port 
The more information you will provide, the more accurate and competitive price we can offer. 

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