Loader differential

Loader differential


The loader differential is a core transmission component installed in the middle of the drive axle, connecting the left and right half-shafts. Its core function is to allow the two wheels to rotate at different speeds when transmitting power to the two half-shafts, meeting the needs of turning and driving on uneven roads. It also has the functions of deceleration and torque increase, and bearing impact loads.

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Product Description

Loader differential

Product Introduction

The loader differential is a core transmission component installed in the middle of the drive axle, connecting the left and right half-shafts. Its core function is to allow the two wheels to rotate at different speeds when transmitting power to the two half-shafts, meeting the needs of turning and driving on uneven roads. It also functions as a deceleration and torque amplification device, and can withstand impact loads.

Main Types: Standard open bevel gear differential (standard configuration), anti-slip differential/differential lock (optional, for muddy/slippery roads).

Core Structure: Composed of a differential housing, cross shaft, planetary gears (2–4), half-shaft gears, and high-strength bearings; the gears are mostly made of 20CrMnTi alloy steel, carburized and quenched (HRC58–62), wear-resistant and impact-resistant.

Application Scenarios:

Compatible with 1–10 ton loaders (ZL15/ZL30/ZL50/ZL70, etc.), widely used in:

  • Mines/quarries: heavy loads, rough and bumpy roads, frequent turning and starting/stopping, requiring impact resistance and stable differential.
  • Ports/Cargo Yards: Container and bulk material handling involves high-density operations, requiring efficient transmission and good heat dissipation.
  • Construction Sites: Muddy and gravel roads at construction sites often result in wheel slippage on one side; a differential lock can be added to improve maneuverability.
  • Municipal/Sanitation: Street sweeping and waste material transport require low-speed, high-torque operation and frequent steering; differential locks reduce tire wear.
  • Agriculture/Forestry/Storeyards: Operations on soft ground and in material storage areas require balancing wheel speeds to prevent getting stuck.

Product Specifications

  • Compatible Tonnage: 3T / 5T / 6T / 7T Loaders
  • Structure: Straight bevel gear open differential (optional forced locking differential)
  • Components: Differential housing, cross shaft, 4 planetary gears, 2 half-shaft gears, wear-resistant shims, needle roller bearings
  • Gear Material: 20CrMnTi alloy structural steel
  • Heat Treatment: Carburizing and quenching, tooth surface hardness HRC58-62
  • Transmission Efficiency: ≥93%
  • Planetary Gear Tooth Count: 18 teeth (general purpose)
  • Half-Shaft Gear Tooth Count: 28 teeth / 30 teeth (mainstream)
  • Gear Module: 7, 8, 9 modules (8 module is commonly used for 5-ton loaders)
  • Half-Shaft Splines: Commonly used 16 splines / 18 splines / 24 splines
  • Applicable Final Reduction Ratio: 4.875, 5.286, 5.731, etc., commonly used loader speed ratios
  • Rated Transmission Torque: 3500~8000 Maximum impact torque: 12000 N·m
  • Maximum permissible input speed: ≤3200 r/min

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