4 Axle Heavy Duty Dump Semi Trailer
The 4 Axle Heavy Duty Dump Semi Trailer (also known as a 4-Axle Heavy-Duty Tipper Semi Trailer, Quad-Axle Heavy Haul End Dump Trailer, 60-Ton High-Capacity Tipper Semi Trailer, or 4-Axle Heavy Mining Dump Semi Trailer) is an ultra-rugged, high-capacity self-unloading transport trailer engineered specifically for extreme payload requirements, heavy mining ore hauling, quarry rock transit, large-scale civil infrastructure projects, and severe-service bulk logistics. Designed to operate under demanding axle-load regulations while providing enhanced weight distribution, this 4-axle dumper features either a quad-axle setup or a front lift axle configuration (3 fixed + 1 liftable axle) to reduce tire wear during empty return trips. Built on an extra-reinforced high-tensile structural steel main chassis (Q345B/Q550/T700) welded via automated submerged-arc processes, it incorporates a heavy-duty rectangular or U-shaped steel cargo body with a high-impact floor deck (8mm or 10mm). Powered by a heavy-duty front-mounted multi-stage HYVA telescopic hydraulic hoist system, it delivers exceptional lifting force and rapid tipping cycles. Outfitted with 4 commercial heavy-duty axles (13T/16T/20T FUWA, BPW, STEYR, or AQ axles), 10/11-leaf mechanical spring or heavy bogie/air suspension, an automatic top-hinged tailgate with heavy locking jaws, and a dual-line pneumatic air braking system with WABCO emergency relay valves, this 4-axle heavy-duty dump trailer offers supreme frame rigidity, long service life, and maximum ton-kilometer operational efficiency. Fully certified under ISO9001, CCC, CE, and SGS standards.
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Product Details
Technical Specifications
Model NO. : Customized / 4-Axle Heavy Duty Spec
Type : Semi-Trailer / 4 Axle Heavy Duty Dump Semi Trailer (Quad-Axle Tipper)
Load Capacity : 55 - 75 Tons (Severe Heavy-Duty Payload Rating)
Volumetric Capacity : Approx. 35 - 50 CBM (Customizable)
Condition : New
Grade : Extreme Heavy-Duty / Mining, Quarry & Heavy Infrastructure Grade
Shape : Heavy Rectangular or U-Shape Cargo Box / Front-Hoist End Dump
Origin : Shandong, China
Production Capacity : Customized
Certifications : ECE / ISO9001 / CCC / CE / SGS
HS Code : 8716399000
Overall Dimensions : Customized (Approx. 10500-12500 x 2500-2550 x 3200-3800 mm)
Cargo Box Inside Dimensions : Customized (Approx. 10000-12000 x 2300-2400 x 1500-1800 mm)
Tare Weight : Approx. 9500 kg - 12000 kg
King Pin Setting : 1220 mm
Steel Sheet Thickness : Floor Thickness 8mm - 10mm, Side Wall Thickness 6mm - 8mm (High-Tensile Steel Q345B / Q550 / NM400)
Hydraulic Jack : Full set of HYVA hydraulic system, heavy-duty front setting multi-stage telescopic cylinder
Lift Axle Option : Optional 1st Axle Air Lift System with Automatic/Manual Control Valve
Tailgate : One-piece tailgate with upper articulation, automatic mechanical/pneumatic heavy safety lock system
Wheel Base : 4800mm + 1310mm + 1310mm + 1310mm / Customized
Tread : 1840 mm
Axle Number : 4 Axles (3 Fixed + 1 Pneumatic Liftable Axle or 4 Fixed Axles)
Axle Brand : AQ, FUWA, BPW or STEYR axle
Axle Capacity : 13 Ton / 16 Ton / 20 Ton per axle
Rims & Tires : Rim 8.0-20 or 8.5-20 / 9.00-22.5; Tire 11.00-20, 12.00-20 or 12R22.5
Tire Number : 16 pcs + 1 Spare Tire
Tire Brand : Triangle / Double Coin / Linglong
Suspension : 4 axle mechanical suspension with 11-pcs leaf spring / Heavy Bogie Suspension / Air Ride
Leaf Spring : 11-pcs (or 12/14-pcs extra-heavy reinforced spring packs)
Brake System : Dual lines pneumatic brake system, WABCO Emergency Relay Valve; T30/30+T30 air chamber; parking brake
ABS Brand : WABCO / Kemi
Self-dumping : Hydraulic Self-dumping (Rear End Tipping)
Main Beam : I shape, Mild Alloy (16Mn / Q345B / Q550 / T700) by Automatic submerged arc welding
Cross Beam : Mild Alloy Q235 High-Density Crossmember Matrix
King Pin : Welded / Bolted kingpin, size 50# (2") or 90# (3.5")
Landing Gear : Double sides operation, Static capacity 30 Ton / 35 Ton (JOST / FUWA)
Spare Tire Carrier : 1 or 2 Units Heavy-Duty Winch Carriers
Tool Box : 1 Unit Heavy-Duty Lockable Steel Box
Lights & Reflectors : Rear light, rear reflector, turn indicative light, side reflector, fog lamp, number plate light
Wiring : 24V, 6 lines / 7 lines ISO Standard Wiring Harness
Air/Elec. Connector : ISO standard air connector, 24V 7 pin plug socket
Paint : Sand blasting before painting, color upon request (Sa 2.5 + Epoxy Zinc Primer + Polyurethane Topcoat)
Warranty : Main Beam Frame 3 Years / Axles & Major Parts 1 Year
Package : Nude Packing / Bulk Vessel / Ro-Ro / SKD Packaging
Delivery Time : 20 - 25 Working Days
Payment Terms : T/T, L/C
Key Structural & Performance Features
1. Superior 4-Axle Load Distribution & Lift Axle Flexibility
- Quad-Axle Weight Compliance: Four heavy commercial axles distribute heavy total gross vehicle weights over more tire footprints, meeting strict bridge-formula and highway weight regulations while preserving road surfaces.
- Optional Pneumatic Lift Axle: The front axle can be equipped with an automated air-lift mechanism, raising the tires off the road during empty unladen runs to drastically cut tire wear, lower rolling resistance, and reduce fuel consumption.
- Extreme Load Stability: Widened track dimensions and a 4-axle footprint significantly enhance lateral chassis stability during high-angle tipping on unpaved mining or quarry grounds.
2. Reinforced Heavy-Duty Body & Chassis Architecture
- High-Impact 8mm–10mm Steel Deck: The cargo box floor plate is constructed from extra-thick 8mm or 10mm high-tensile steel (Q345B/Q550 or NM400 wear plate) backed by dense crossmembers, resisting severe impact gouging from large rocks and excavator buckets.
- Submerged-Arc Welded Deep Main Frame: Built on ultra-deep Q345B/Q550/T700 steel main I-beams fabricated via automated submerged-arc welding, preventing frame bowing and torsional flex under 75-ton payload stress.
- Front HYVA Telescopic Cylinder Package: Outfitted with a heavy-duty multi-stage HYVA front-setting telescopic hydraulic cylinder, delivering high lifting torque, smooth extension, and reliable tipping control.
3. Commercial Heavy Running Gear & Air Braking Safety
- 13T/16T/20T Heavy Commercial Axles: Fitted with 4 heavy-duty axles (FUWA, BPW, STEYR, or AQ) engineered for high dynamic load capacity and low maintenance requirements in rough environments.
- Heavy Multi-Leaf or Bogie Suspension: Heavy 11-piece or 12-piece leaf spring packs or bogie equalizer suspensions maintain equal axle loads across deep ruts, rocks, and mud tracks.
- WABCO Emergency Air Braking System: Dual-line pneumatic compressed air braking system equipped with WABCO emergency relay valves and T30/30+T30 spring brake chambers provides rapid stopping performance and holds the trailer firmly locked during tipping operations.
Commercial & Logistics Terms
- Shipping & Delivery: Shipped via Ro-Ro vessel, Bulk Cargo vessel, or stacked in SKD format to minimize international ocean freight costs.
- Warranty Coverage: 3-Year structural guarantee on the main chassis frame; 1-Year warranty covering axles, landing gear, hydraulic cylinder assembly, and braking valves.
- Payment Terms: 30% T/T deposit, 70% balance paid prior to dispatch; irrevocable L/C at sight accepted.
