2/3.5 Inch 50/90# Forging Fifth Wheel for Heavy Duty Trucks
20+ years of experiences (since 1999)
Implementing IATF 16949-2016
Implementing ISO 9001-2015
Quality testing by an independent laboratory
Warranty: 18 months since shipping date
Unique lock-jaw/bar design: Easy & Safe locking
Stamped plate with Fabricated frame: Robust & Reliable
Dispatch within Customized Production Based on Your Requirements : Your order will be manufactured according to your specifications (size, material, usage, etc.) with professional engineering support..- Lead Time: 3–60 Days Depending on Quantity and Specification Warranty: Production and delivery time may vary based on your order volume and customization details. Contact us for an accurate schedule.
Description
WONDEE forging fifth wheels link semi-trailers with towing trucks, tractors, or dollies. Available in 2″ (50 mm) and 3.5″ (90 mm) king pin sizes, they suit heavy-duty applications. Camper trailers also use this configuration for pickup towing.
Key Features
- Automotive quality management system: IATF16949-2016
- Quality management system: ISO9001-2015
- Technical standards: GB/T 31879-2015, GB/T 4606, GB/T 4607
- Warranty: 18 months from shipping date
- Raw material: Q345 pressed steel or cast steel top plate; forged alloy steel lock
- Top plate: Pressed steel with hardened front lock area
- Lock: Forged, machined, heat-treated alloy steel jaw with adjustable wear
- Operating handle: Easy pull handle with secondary locking device
- Mounting bolt: ISO standard bolt pattern with elongated holes
- Maintenance: Simple 4-part locking mechanism for easy service
- Loading capacity: Exceeds European standards
- Grease: Special high-efficiency grease for prolonged service life
- Annual sales: 50,000+ units
- Overseas markets: 30+ countries including Thailand, Australia, Russia, UAE, and more
- Clients overseas: 40+
- Factory area: 25,000+ m² with 200+ equipment sets
- Employees: 100+ including 6 engineers
- Certificates: FORM E, FORM A, COC, BV, SGS, SASO
Specifications
| Production Series | Forging 2″, Forging 3.5″, Casting 2″, Casting 3.5″ |
|---|---|
| Suitable King Pin | 2″, 3.5″, 50, 90 mm |
| Capacity 2″ (50 mm) | Vertical Load 20,000 kg; Gross Combination Weight 65,000 kg; D-Value 152 kN; U-Value 20 Tonne |
| Capacity 3.5″ (90 mm) | Vertical Load 30,000 kg; Gross Combination Weight 80,000 kg; D-Value 200 kN; U-Value 30 Tonne |
| Mounting Height | 150-250 mm or 7″-11″ |
| Slide Plate Travel | 8″, 12″, 16″, 24″, 36″, 48″ |
| Swing Type | Single or Double Swing |
| Interchangeable Brands | JOST, SAF-HOLLAND, Fuwa fifth wheels |
| Colors | Shiny black, dark black, grey, blue, red, customized |
| Lead Time | 15–25 working days |
| MOQ | 10 pcs |
| Payment Terms | TT, LC, DP |
Forging Type Fifth Wheel Series
| Item No. | Rated Vertical Load (kg) | D-Value (kN) | Lengthways Swing Angle (°) | Installation Height (mm) | King Pin Size | Weight (kg) |
|---|---|---|---|---|---|---|
| FW50-FS01 | 20000 | 152 | 12 | 150.5 | 50 (2″) | 126 |
| FW50-FS02 | 20000 | 152 | 16 | 173 | 50 (2″) | 130 |
| FW90-FS01 | 25000 | 182 | 12 | 165 | 90 (3.5″) | 140 |
| FW90-FS02 | 25000 | 182 | 15 | 175 | 90 (3.5″) | 145 |
Casting Type Fifth Wheel Series
| Item No. | Rated Vertical Load (kg) | D-Value (kN) | Lengthways Angle (°) | Transverse Swing Angle (°) | Installation Height (mm) | King Pin Size | Weight (kg) |
|---|---|---|---|---|---|---|---|
| FW50-C01 | 25000 | 176 | 15 | 0 | 167.5 | 50 | 172 |
| FW50-C3038C1 | 28000 | 170 | 15 | 0 | 195 | 50 | 229 |
| FW90-C3038C1 | 36000 | 260 | 15 | 0 | 195 | 90 | 229 |
| FW90-C3038G1 | 40000 | 260 | 15 | 7 | 290 | 90 | 300 |
Components & Maintenance
WONDEE supplies repair kits and all major components for fifth wheels. The locking system contains only four moving parts, simplifying maintenance, replacement, and repairs. Use high-efficiency grease to prolong service life across various conditions.
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