Semi Trailer Manufacturers Specification: > Tare  Weight:6000 kg > Payload:30000 kg > Overall Length:7750 mm > Overall Width:2480 mm > Overall Height:1574 mm > Wheel track:1840 mm > Wheelbase:4740mm+1310mm 20ft Semi Trailer Manufacturers Dimension: 1. Main  Frame: Heavy duty and extra durability designed; Opting for high tensile steel Q345B, welding by automatic Submerged-Arc processes; 500mm Height “I” beam, Top Flange 14mm, width 140mm; Middle Flange 8mm; Bottom Flange 16mm, width 140mm. 2. Floor: Steel sheet 3mm thickness 3. Axle: 2 units of WONDEE brand-13T axle 4. Suspension: WONDEE brand 2-axle suspension, American design 5. Leaf Spring: four sets of reliable local brand, 8-piece leaf spring, 16*90mm 6. King Pin: one unit of 2” bolt-in kingpin 7. Landing Gear: Two-speed, manual operation, heavy duty WONDEE brand landing gear 8. Wheel Rim: 9 units of 9.00-22.5 wheel rim, 9. Tire: 9 units of 12R22.5 tire 10. Hydraulic System: 1set completed WONDEE brand hydraulic system 11. Lifting Height: 48° 12. Twist Lock: 4 nos. 13. Spare Tire Carrier: One set of spare wheel carrier including a riser 14. Pneumatic Braking System: one unit of WABCO RE 4 relay valve; four units of T30/30 spring brake chamber; one unit of reliable local brand 45L air tank; two units of reliable local brand standard coppery air-connector. 15. Electrical  System: One unit of JAEGER POWAY, 24V 7-pin ISO 1185 socket; two sets of reliable, local brand standard rear light, turn light, rear reflector, side light, side reflector etc. One set of WONDEE(brand) 6-core standard Cable. 16. Painting: Sand blasting before painting; one coats of primer, anti-corrosion; two coat of finish painting; color advised by client 17. Accessory One box with a set of standard trailer tool. Besides Tandem Axle 20ft Flatbed Semi Trailer Manufacturers, We still supply: 2 Axle 40ft Flatbed Semi Trailer 3 Axle 40ft Flatbed Semi Trailer