Drawbar Lowbed Full Trailer
The Drawbar Lowbed Full Trailer is a heavy-duty, low-profile transport trailer engineered specifically for carrying oversized machinery, construction excavators, tracked vehicles, transformers, and heavy industrial equipment in full-trailer drawbar combinations. Built with high-strength Q345B/Q550 structural steel and continuous automated submerged-arc welding, it features an ultra-low platform deck height, heavy-duty rear loading ramps (spring-assisted or hydraulic), and side-extending outriggers to accommodate wider cargo. Designed as a self-supporting full trailer with an independent front steering bogie, it incorporates a 360-degree ball-bearing slewing ring turntable and a heavy-duty triangular drawbar towing mechanism, placing zero vertical hitch load on the towing truck. Equipped with high-capacity 13T–16T commercial axles, heavy-duty mechanical leaf spring or bogie suspension, and dual-line ABS air braking, it delivers exceptional stability, high load capacity, and safe transport clearance for heavy crawler machinery. Fully certified under ECE, ISO9001, CCC, CE, DOT, and SGS standards.
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Product Details
Technical Specifications
Model NO. : Customized
Type : Full Trailer / Lowbed Drawbar Trailer
Load Capacity : 30T / 40T / 50T / 60T / 80T
Condition : New
Grade : Heavy Duty / Oversized Machinery Transport Grade
Shape : Lowbed / Step-Deck Drawbar Full Trailer
Origin : Shandong, China
Production Capacity : Customized
Certifications : ECE, ISO9001, CCC, CE, DOT, SGS
HS Code : 8716399000
Overall Dimensions : 10000-14000 x 2500-3000 x 1200-1400 mm (Excluding Drawbar Length)
Platform Deck Height : 850mm - 1200mm (Low-Profile Step Deck)
Drawbar Length : 1500-2000 mm (Rigid Frame with Heavy Towing Eye)
Platform Dimension : Customized Lowbed Deck with Outriggers (Widening Brackets)
Wheel Base : Customized per Axle Configuration (Front Single / Rear Multi-Axle Bogie)
Tread : 1820 mm / 2050 mm
Axle Number : 2 / 3 / 4 Axles
Axle Brand : FUWA / BPW / HuaJin Heavy Duty
Axle Capacity : 13T / 16T / 20T per axle
Tire Number : 8 / 12 / 16
Tire Specification : 8.25R20 / 10.00R20 / 12R22.5 / 295/80R22.5
Tire Brand : Triangle / Double Coin / Linglong / Chaoyang
Rim : 7.5-20 / 8.5-20 / 9.00-22.5
Steering System : Ball-Bearing Heavy-Duty Slewing Ring Turntable
Suspension : Heavy Duty Mechanical Multi-Leaf Spring / Heavy Bogie Suspension
Leaf Spring : 10pcs / 12pcs / 16pcs Heavy-Duty Reinforced (90x16mm / 100x16mm)
Brake System : Dual-Line Pneumatic Air Braking System with ABS
ABS Brand : WABCO / Kemi / Haldex
Self-dumping : Not Self-dumping
Material : High-Strength Structural Steel (Q345B/Q550)
Main Beam Height : 500mm / 550mm / 600mm Heavy-Duty I-Beam
Upper Plate : 14mm / 16mm
Down Plate : 18mm / 20mm
Middle Plate : 10mm / 12mm
Welding : Automatic Submerged-Arc Welding
Platform Floor : 4mm / 5mm Checkered Steel Plate with Reinforced Crossmembers
Ramps : Heavy-Duty Spring-Assisted / Hydraulic Rear Loading Ramps
Outriggers : Side Swing-Out Widening Brackets (Outriggers) for Oversized Width Cargo
Towing Eye : Standard 50mm / 90mm Forged Steel Drawbar Eye
Spare Tire Carrier : 1-2pcs
Tool Box : 1pcs Heavy-Duty Lockable Steel Box
Electric System : 24V, 7 Pin Socket, LED Marker Lights
Wiring Harness : Armored Weatherproof Lines
Painting : Sand Blasting + Epoxy Zinc-Rich Primer + Polyurethane Topcoat
Colour : Optional Custom RAL Code
Warranty : Main Beam 3Y / Axle 1Y
Package : Nude / Container / Ro-Ro
Delivery Time : 25-30 Working Days
Payment Terms : T/T, L/C
Key Structural & Performance Features
1. Ultra-Low Deck & Heavy-Duty Frame Architecture
- Low-Profile Step-Deck Design: Engineered with a lowered cargo platform and deep main longitudinal I-beams (500mm–600mm height) to lower the center of gravity, ensuring safe transport of tall industrial machinery and compliance with vertical clearance limits.
- 100% Self-Supporting Drawbar Layout: Features an independent front steering bogie that supports the entire front axle load, eliminating vertical tongue weight on the towing truck and ensuring stable combination vehicle dynamics.
- Q345B/Q550 High-Tensile Spine: Main frame fabricated from high-yield structural steel using continuous automated Submerged-Arc Welding (SAW), providing superior resistance against heavy point loads and torsional stress.
2. Slewing Ring Turntable & Heavy Running Gear
- Precision Ball-Bearing Turntable: 360-degree heavy-duty slewing ring steering turntable delivers ultra-smooth front-axle articulation, tight turning radiuses, and excellent tracking accuracy behind the towing vehicle.
- Shock-Damped Towing Mechanism: Triangular drawbar equipped with a forged 50mm/90mm towing eye and internal rubber bushings to absorb longitudinal impacts during stopping and acceleration.
- Heavy Commercial Axles & ABS Braking: 2 to 4 heavy-duty commercial axles (FUWA / BPW; 13T–20T rating) combined with WABCO / Haldex dual-line ABS air brakes for dependable stopping performance under heavy payloads.
3. Loading Ramps & Oversized Cargo Securing
- Heavy-Duty Loading Ramps: Equipped with robust spring-assisted mechanical ramps or optional hydraulic ramps, enabling self-propelled construction machinery (excavators, loaders, rollers) to drive onto the deck effortlessly.
- Side Outriggers (Widening Brackets): Fitted with pull-out or swing-out outriggers on both sides to increase overall platform width when hauling oversized or wide industrial structures.
- Corrosion Protection: Surfaces undergo automated shot-blasting, anti-rust epoxy priming, and polyurethane topcoating for long-term resistance to environmental weathering.
Commercial & Logistics Terms
- Warranty Policy: 3-Year warranty for the main structural chassis frame; 1-Year warranty for axles.
- Delivery Lead Time: 25 – 30 working days upon order confirmation.
- Packaging & Shipping: Nude packing; shipped via Container, Ro-Ro vessel, or Bulk Cargo ship.
- Payment Terms: T/T (Telegraphic Transfer), L/C (Letter of Credit).

