ARB Air Locker, Dana 44, 33 Spline 3.92 & Up Gear Ratio (RD113)

Product Description

ARB Air Locker Locking Differential Dana 44, 33 Spline 3.92 & Up Gear Ratio

Fits:

Jeep CJ (1970-1975); With Dana 44 Rear Axle, 33 Spline Shafts and 3.92 & Up Gear Ratio 

Jeep CJ-7(1986); With Dana 44 Rear Axle, 33 Spline Shafts and 3.92 & Up Gear Ratio 

Jeep Wrangler (TJ) (1997-2006); With Dana 44 Rear Axle, 33 Spline Shafts and 3.92 & Up Gear Ratio 

Important Note: Standard shafts use 30 splines. This locker will require and aftermarket 33 spine shafts.

The world's most highly regarded traction aid, an ARB Air Locker is a driver controlled locking differential originally designed to give serious 4 wheelers the traction needed to combat extreme off road terrain. When extra traction is required, the driver activates the Air Locker via a convenient dash mounted switch. Pneumatic pressure supplied by an on board air compressor engages ARB's patented locking mechanism within the Air Locker, thus preventing the wheels from turning independently. The Air Locker is deactivated by flicking a switch, returning the differential to normal.

ARB Air Locker's patented design has proved ultra dependable, even in the most arduous conditions. It's strength lies in its simplicity minimal moving parts ensures maximum reliability. All structural components are manufactured from aerospace grades of high alloy steel, and where possible, we increase the number of differential pinion gears to distribute torque loads evenly. Many recent Air Locker designs also utilise timed gear sets to further improve strength, a design feature that has led to a second US patent on the product.

The Air Locker design process involves exhaustive testing. Computerised Finite Element Analysis (FEA) allows us to subject each Air Locker design to "virtual" off road simulations far more extreme than those encountered in real life. Destructive laboratory testing is carried out to ensure the strength of the Air Locker exceeds that of the axles or other driveline components. Environmental test cells subject prototype models to high (120ºC) and low (-24ºC) temperature running conditions, as well as harsh wheelspin engagement for cycle durations of more than 20,000 actuations. Finally, field-testing is carried out in the harshest environments imaginable.

Once the design phase is complete, Air Lockers are manufactured at our state-of-the-art facility in Melbourne, Australia. Available for both front and rear diffs, we have Air Lockers in over 100 configurations to suit a wide range of vehicles around the world.

• Provides 100% traction on demand without affecting on road drivability or driveline wear.
  
• Vastly improved traction means less reliance on momentum, thus reducing the likelihood of vehicle damage and environmental impact.
  
• Easy, convenient operation allows the user to concentrate on the terrain without leaving the comfort and safety of the driver's seat.
  
• Ultra durable and extremely strong - only the highest quality materials used in construction.
  
• Incredibly simple yet effective design that employs minimal moving parts, thereby ensuring maximum reliability.
  
• Thoroughly tested and proven design trusted and used in over 80 countries around the world.
  
• Front and rear Air Lockers available for most makes and models.
  
• 2WD applications available.
  
• Easy installation and maintenance no special tools, skills or additives required.
  
• Air compressor also provides convenient, reliable source of air for inflating tyres, camping and leisure equipment.
  

Parts Included

• Locking Differential
  
• Carrier Bearings
  
• Switch
  
• Air Line
  
• Solenoid

Important Notes:

To operate the diff locks requires use of an on board air compressor. A range of ARB air compressors are available from Jeepey:

• CKSA12 Mini Compressor

• CKMA12 High Output Compressor

• CKMTA12 Twin Compressor

 Video:

Product Information

Click on a link below to view additional information about this product.

• Install Instructions

Manufacturer - ARB

ARB is Australia’s largest manufacturer and distributor of 4x4 accessories. ARB have an international presence, with an office in the US and an export network that extends through more than 80 countries around the globe. ARB philosophy, however, has never wavered from its original course – quality, reliability and practicality above all else.

ARB's range of 4WD accessories has been specifically designed to suit your vehicle and ensure you're prepared for any off road adventure you choose to take on. All ARB products are tested to the highest standards and subject to a comprehensive minimum two year warranty, ARB deliver exceptional quality and service giving you piece of mind.

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