Product Description
Core Product Advantages
Application Scenarios
Product Specifications & Additional Notes
Why Choose Our Differential Carrier Rear Assembly
The Differential Carrier Rear Assemblya is a vital mechanical component exclusively designed for pickup trucks, serving as the core of the rear axle system (compatible with 4x4 pickup models’ front axles as well). Its primary function is to transfer power from the transmission to the rear wheels while solving a key engineering challenge: enabling the left and right wheels to rotate at different speeds. This functionality is non-negotiable for pickups, which frequently operate across diverse terrains—from smooth urban streets to rugged off-road trails—and bear heavy loads on a regular basis.
When a pickup truck turns, the outer wheel covers a longer distance than the inner wheel. The rear differential carrier assembly automatically adjusts the rotational speed of each wheel, effectively preventing wheel slip, tire scuffing, and excessive stress on the drivetrain. This not only ensures smooth and stable driving but also extends the service life of the vehicle’s transmission and tire components, making it an essential replacement part for maintaining pickup performance.
OEM-Grade Fit & Quality: Manufactured strictly according to the original vehicle’s dimensions and specifications, ensuring a perfect fit and seamless replacement of the original rear differential carrier assembly—no modifications required.
12-Month Quality Guarantee: We provide a 12-month quality warranty from the date the customer receives the product, covering manufacturing defects and ensuring worry-free after-sales support.
Flexible Order Support: Small-batch orders are accepted (retail orders excluded), catering to the needs of repair shops, distributors, and small-scale wholesalers.
Specialized in Japanese & Korean Models: Focused on rear differential carrier assemblies for Japanese and Korean pickup trucks, including Toyota, Mazda, Isuzu, Mitsubishi, Hyundai, Kia, and other mainstream models.
Customizable Packaging: All differential carrier assemblies are packaged in high-quality plywood wooden cases. We offer custom logo printing on both the product and the wooden case, enhancing brand recognition.
Safe Shipping Solution: Plywood wooden cases are prone to damage during transportation, so all products are shipped on pallets by default to ensure safe delivery and avoid damage.
Urban Road Driving: When navigating city intersections, roundabouts, or narrow streets, the rear differential carrier assembly adjusts wheel speeds during frequent turns. It prevents tire scuffing and drivetrain strain, ensuring smooth, energy-efficient commuting for daily use.
Off-Road Exploration: In mud, sand, gravel, or mountain trails, 4x4 pickups rely on the rear differential carrier assembly (paired with limited-slip/locking differentials). It distributes torque to the wheels with grip, avoiding slip and maintaining traction, enabling safe passage through uneven, low-adhesion terrains.
Heavy-Duty Hauling/Towing: When carrying cargo or pulling trailers, the rear differential carrier assembly handles increased torque loads. It evenly transmits power to the drive wheels, ensuring stable acceleration and deceleration, preventing component overheating, and safeguarding driving safety.
Highway Cruising & Overtaking: At high speeds, the rear differential carrier assembly maintains consistent wheel rotation for stable straight-line driving. During overtaking (quick acceleration), it balances power distribution, enhancing responsiveness and ensuring smooth speed transitions.
Rural/Suburban Terrain: On dirt roads, farm lanes, or hilly paths with frequent turns and slight unevenness, the rear differential carrier assembly adapts to varying wheel travel distances. It reduces tire wear and improves maneuverability, suiting rural work or suburban leisure drives.
Specifications of the rear differential carrier assembly vary significantly based on vehicle types (especially pickup trucks, SUVs, and commercial vehicles). The following are general technical parameters, performance indicators, and physical specifications, along with common failure symptoms and notes:
Mechanical Performance Parameters
Parameter | Specification Range | Examples |
|---|---|---|
Maximum Input Torque | Compact Pickups: 200 – 350 N·m; Mid-to-Large Pickups/SUVs: 350 – 600+ N·m; Heavy-Duty Commercial Vehicles: 1000 – 3000+ N·m | Toyota Hilux: 320 N·m; Isuzu D-Max: 380 N·m |
Final Drive Ratio | Typically between 3.0 and 5.0 | 3.73, 4.10 (depends on engine characteristics and tire size) |
Gear Material | High-strength alloy steel, carburized and quenched | 20CrMnTi, 20CrMo (surface hardness: HRC 58-62) |
Gear Precision | Micron-level meshing precision | Low noise, high transmission efficiency |
Key Performance Indicators (For LSD/Performance Differentials)
Indicator | Specification Range | Application Scenarios |
|---|---|---|
Locking Factor (Bias Ratio) | Standard Open: ~1.0; Mild LSD: 1.5 – 2.0; Heavy LSD/Off-Road: 2.5 – 4.0+ | Family Pickups: 1.5 – 2.0; Hardcore Off-Road Pickups: 3.0 – 4.0+ |
Slip Rate Control | Split-Mu Surface: ≤2.5%; Full-Slip Surface (Ice/Snow): 1.5% – 2.0% | Wet/Slippery Roads, Winter Driving |
Response Time | ≤0.1 seconds | Electronic/Mechanical LSDs for dynamic handling |
Physical Specifications Example (Mid-size Pickup)
Physical Parameter | Specification |
|---|---|
Assembly Weight | 15kg – 40kg (Commercial vehicle models: >40kg) |
Lubricant Capacity | 1.0 – 2.5 liters (requires GL-5 grade gear oil) |
Bearing Preload | Axial play: 0.05 – 0.15 mm (precise adjustment required) |
Common Failure Symptoms & Notes
Oil Leaks: Caused by aging seals. Replace seals promptly to prevent gear damage due to insufficient lubrication.
Vibration/Shudder: Often caused by driveshaft imbalance or severe internal gear wear; inspect and replace damaged components immediately.
Binding/Sticking: Friction plates in LSDs may seize, leading to difficult turning and "wheel hop"; disassemble and repair or replace the differential carrier assembly.
Shipping Note: All products are shipped on pallets to protect the plywood wooden cases from damage during transportation.
Maintenance Note: Regularly check lubricant levels and replace GL-5 grade gear oil as recommended to extend product service life.
Product Description
Core Product Advantages
Application Scenarios
Product Specifications & Additional Notes
Why Choose Our Differential Carrier Rear Assembly
