Crab locker

  • Sale
  • $900.00
  • Regular price $1,400.00


Crab Locker with its proven design and comparative advantages than other lockers on the market. Crab Locker equipped on 18 sets 4x4 vehicles over 5 years for extreme off road drive test, during the 5 years TRE continued to improve its capability and durability. With its New Air Operated Actuator Design, unique Oil Return System design, Two Piece Case Structure Design and easy installation feature, Crab Locker finally released on the market. Crab Locker is your best choice for weekend off road trip or extreme 4x4 off road drive

TRE Crab Locker equipped with the developed gear, the locking depth has been increased from 2mm for ordinary products to 5mm, which fundamentally solves the problems of automatic unlocking or insufficient locking effect in similar products. The gear adopts a nickel-plated design, which is fully rust-proof and greatly improves the degree of wear resistance, significantly improve the service life and locking efficiency of the product.

TRE Wave Spring equipped makes locking and unlocking elasticity more stable and endurable because of wave spring fit tight radial and axial spaces. Most importantly, Wave spring reducing the spring height by 50% than the ordinary coil / compression springs, so there is no need to drill the spring holes too deep on the clutch gear, this increased clutch gear strength a lot.


TRE4x4 provides a stable 5-year warranty with extensive distribution network and high-quality after-sales service to provide 100% after-sale protection
Strongest 4320 chromoly alloy steel gears provide the most rugged quality and the most stable work efficiency
Under the continuous research and development of TRE4x4 , more available models for more popular models are constantly being updated
The hardest hardness and increased thickness to make it provide the best working efficiency and stability when locked