德纳485双桥
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Product Descreiption
The Dana 485 Double Axle is a high-performance, heavy-duty tandem drive axle system engineered for commercial vehicles, vocational trucks, buses, and industrial machinery. Designed to deliver exceptional load-bearing capacity, traction, and durability, the Dana 485 excels in severe-duty applications such as construction, mining, logging, and long-haul transportation. Its integrated design, advanced gearing technology, and modular components make it a trusted solution for operators requiring uncompromising strength and efficiency in multi-axle configurations.
Key Specifications
- Rated Load Capacity:
- Gross Axle Weight Rating (GAWR): Up to 13,600 kg (30,000 lbs) per axle, with a cumulative tandem capacity of 27,200 kg (60,000 lbs) or higher (configuration-dependent).
- Tandem Axle Spacing: Adjustable from 1,200 mm to 1,500 mm (47–59 inches) to optimize weight distribution and vehicle stability.
- Gear Ratio Options:
- Standard Ratios: 3.42:1, 3.73:1, 4.10:1, 4.56:1, 5.13:1, and 6.17:1 (customizable for torque, speed, and fuel economy).
- Advanced Options: Hypoid or Spicer® AdvanTEK® gearing for reduced noise, vibration, and friction.
- Axle Type & Configuration:
- Full-Floating Design: High-strength axle shafts with removable hubs for easy maintenance.
- Differential Types:
- Open differential (standard).
- Limited-slip differential (LSD) for improved traction.
- Locking differential (manual or automatic) for off-road/low-traction environments.
- Electronic Traction Control (ETC) for adaptive power distribution.
- Brake System Compatibility:
- Drum Brakes: Up to 457 mm (18 inches) diameter with S-cam or wedge actuators.
- Disc Brakes: Vented rotors with multi-piston calipers for high-heat dissipation.
- ABS/ESC Integration: Standard anti-lock braking and electronic stability control compatibility.
- Material & Construction:
- Axle Housing: Forged alloy steel or nodular iron with reinforced ribbing for torsional stiffness.
- Axle Tubes: 140–160 mm diameter, 14–16 mm wall thickness for maximum load support.
- Gears: Case-carburized and ground spiral bevel gears for quiet, efficient power transmission.
- Dimensions & Weight:
- Overall Width: 2,000–2,400 mm (79–94 inches) (adjustable based on vehicle frame and suspension).
- Weight: Approximately 680–760 kg (1,500–1,675 lbs) per tandem setup (excluding brakes/wheels).
Technical Features
- Unmatched Durability:
- Corrosion-resistant coatings (e-coat, zinc-nickel plating) for longevity in harsh environments.
- Heat-treated gears and shafts resist wear under high-load, high-cycle conditions.
- High Torque & Efficiency:
- Optimized gear tooth profiles and high-contact ratios reduce friction and energy loss.
- Low-friction seals and bearings extend service intervals.
- Modular & Scalable Design:
- Compatible with Dana’s Spicer® Pro-40™ and AdvanTEK® technologies for seamless integration with front/middle axles.
- Plug-and-play wheel end and brake components simplify retrofits.
- Serviceability & Maintenance:
- Easy access to differential service ports, lubrication points, and replaceable wear components.
- Extended service intervals (up to 200,000 km with synthetic gear oil).
- NVH Optimization:
- Precision-machined gears and vibration-damping mounts minimize noise and harshness.
