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Jeep Project CJ-7

An ongoing Budgeted Rebuild/Build up of a Rock
Crawling Machine.

Offroaders Guide to Gearing up for Offroad
From Basic Equipment to Well Equipped.  An extensive list guide to help you prepare your vehicle for the offroad.

Trailering Safety and Trailer Hitch Information

Off-Road Truck Driving Techniques and Safety

25 Top To Do Tips Before Going Offroad


Got Pop-ups
Spyware & Viruses? feels your pain. Let our Geeks help you...


Rausch Creek
Off-Road Park


Jeep Central
From Jeep History to Tech Specs and Projects.  This section is all about Jeeps.
Jeep Technical Info
Engine Swaps

Installing 23,000 Volt Offroad Lights

Onboard Air
Converting a York
AC Compressor
to Pump Air

What are HID Lights?

Onboard Air
Converting a York
AC Compressor
to Pump Air

Warn 9500i Winch Installation

Warn X8000i
Winch Installation


HEI Ignition
Installation & Review

Lockers, Limited Slips &
other Differentials Explained




Wheeling in the Valley of the Ferns

1.jpg (70086 bytes)
Tellico North Carolina

Paragon Adventure Park
Rock Krawl

Thousands more photos here..»





OX Locker - Lockers
Lockers, Limited Slips, Differentials
and the sport  of Offroading.

An Overview of Standard Carriers, Positraction & Limited Slips,
Locking Differentials, Spools and Mini-Spools





With the Ox Locker you have the benefits of both an open differential and a spool at the pull of a lever.  The Ox Locker is a cable driven locking differential that uses a single air-craft quality cable to engage the locker.  When activated, both axle shafts are locked together into the equivalent of a spool providing 100% equal traction to both wheels of that axle with no differential of speed between the wheels of that axle.  When the OX Locker is not activated, the differential operates as an open differential, providing the smooth, predictable handling characteristics for daily driving.

The fact that the OX Locker is only engaged when needed, means it can be installed in BOTH front and rear axles applications.  In addition the front OX locker and rear OX locker would be controlled with individual cables to engage/disengage them independently.  This gives more flexibility and control in situations offroad.

The OX Trax Locker is a simple, well designed unit that uses a four pin design differential which evenly distributes drivetrain stress.

The all mechanical design OX Locker is made by OX USA and are a 100% Made in U.S.A. product.  The lockers are made of 8620 forged and heat treated steel and use a four spider gear design on all OX Lockers.   The forged Steel Ramped Differential Cover is strong enough to take the abuse of offroad without worrying about damage.  A "Back Cut" gear tooth design is used for locking ring and the locking gear.  The cable is made from aerospace quality cabling.

OX Locker Reviews

How the OX Locker works:

The OX Locker is a cable actuated locking differential.  From inside the cab of the vehicle, a lever is used to engage or disengage the locking mechanism.  When the lever pulled, a single air-craft quality cable moves a shift fork that’s housed in the differential cover.  This in turn slides a collar over one of the side gears.  In the locked position the side gear is locked to the differential housing.  This eliminates any differential action and providing a 100% traction lock-up between the axle shafts making it essentially a spool.

Disengaging the OX Locker differential is as simple as sliding the cab mounted lever again, which releases the side gear.  Now the OX Locker differential is in a fully open carrier position.  The OX Locker is a solid, simple cable activated concept with no air hoses or compressors to install, break or leak. Internally there are no air pumps.  With installation there is no electrical wiring harnesses or switches to install.  The Ox Locker is equipped with a heavy duty aircraft-quality cable that's simple, strong and reliable. 


Manufacturers description of the OX Locker:

High-Tech aerospace engineering with no castings or stamped steel components. The OX uses a single air-craft quality cable to engage from an open differential to a fully locked unit with a shift of a lever. Super high quality material built for a maximum durability. Less is more, no air lines to leak, no wires to short out.

The new OX Locker™ (Patent Pending) works off the simple mechanism of push/pull. It takes no electricity, no air, and no hassles! The best part is that it locks and unlocks for your driving needs. Unlock for highway driving and tight turns off road. Lock for tough terrain and rock crawling.

Features include:

  • All parts of the OX Locker™ are machined from solid bars and plates of steel.
  • Shifter components are machined from solid steel and aluminum. No castings are in the OX Locker™
  • Comes with a new ¼" solid steel, bullet proof differential cover with a 45° ramp for better approaching clearance and protection of all bottom bolts.
  • No drilling needed on axle housing.
  • Cable is rated for 365,000 cycles.
  • Comes with drain plug for easy oil draining.
  • Engage and disengage at any speed.
  • One year limited warranty (through OX Brands).
  • Available for the Dana 30, 35, 44, 60 and AMC 20 axles.
  • Made in America


OX Locker Hi-Lights

  • Precision Machined Cover
    Extra thick billet or forged differential cover. Built to withstand the rigors of offroad. Maintains a stable platform for proper shift fork action. Machined frontal ramp deflects rocks and minimizes damage. No need for extra differential skid plates.
  • Sure Shifting Engagement
    Locker engagement is provided by using our super durable manual shifter assembly. Built using billet machined aluminum and steel components. Easy and sure shift action leaves no doubt when you are locked up. This will feed through our custom designed aerospace quality cable assembly. All this adds up to reliability, no leaks, no shorts.
  • Four Pin Internal Design
    Utilizes the proven four spider gear internals. Unique four pin design provides the most strength available of any locker available. This is coupled with an outer case made from 8620 gear steel forged and heat treated to make the OX case virtually indestructible. This design will also be found on the "c-clip" Dana 35 unit, making it the only four pin Dana 35 made!
  • Extreme Grip Lock Ring
    Recently improved to feature a "back cut" gear tooth design. Taken from Porsche racing technology, this design was a proven solution to high load manual transmission issues. This shift ring is made to find engagement and hold on till you tell it to let go. Case hardened and through hardened to match the quality of the rest of the locker.
  • Applications
    Dana 30 3.73 and up, 27 spline
    Dana 30 3.73 and up, 30 spline
    Dana 35 3.55 and up, 27 spline
    Dana 35 3.55 and up, 30 spline
    Dana 44 3.92 and up, 30 spline
    Dana 44 3.92 and up, 33 spline
    Dana 60 4.10 and down, 35 spline
    Dana 60 4.10 and down, 30 spline
    Dana 60 4.56 and up, 35 spline
    Dana 60 4.56 and up, 30 spline
    AMC 20 3.08 and up. 20 Spline
    Ford 8.8 COMING SOON


Florida Manufacturing Group - Manufacturers of the Ox Locker
11625 Prosperous Drive
Odessa, FL 33556
Phone: 877-694-7699
Fax: 727-569-3200




OX Locker Reviews

ARB Air Locker Installation

ARB Locker Compressor Wiring Diagrams

Differential Differences
Overview of Standard Carriers, Positraction & Limited Slips, Locking Differentials, Spools and Mini-Spools


OX Locker Reviews

OX Offroad Products
Manufacturer of heavy duty lockers, ring and pinion, and u-joints.

The New Dana 44 Ox Locker First Look By Christian Hazel

Ford F-150 Ox Locker - Selective Locking
Battle Testing the Cable-Controlled OX Locker By John Cappa

Ox Locker Install in a Dana 44 Cherokee XJ


Jeep Project CJ-7

An ongoing Budgeted Rebuild/Build up of a Rock Crawling Machine.

All Terrain 
Mud Terrain
Tire Reviews & Info

All Terrain
AT Tire Reviews

Mud Terrain
MT Tire Reviews



Ramp Travel Index
RTI / Ramp Travel Index What it is and how to calculate it, with and without the ramp.

Offroad Tire Info
P-Metric Tire Sizes Conversion to Inches
Tire Terminology
Wheel Terminology
How to Pick the Right
Tires for your Truck
Truck Tire Info
Tires - What Hits What Fits
All Terrain  Mud Terrain
Tire Reviews & Info
Mud Terrain MT Tire Reviews
All Terrain AT Tire Reviews
Super Swamper Bogger
Super Swamper SSR
Super Swamper SX
Super Swamper Vortrac
Interco IROK TSL
Super Swamper LTB
Super Swamper TSL
Super Swamper TSL Radial
Super Swamper Narrow
Interco SS-M16 Swamper
Thornbird TSl Radial
Thornbird TSl Bias
Thornbird TSL
Parnelli Jone Dirt Grip
BFGoodrich Krawler
BFGoodrich MT T/A KM
BFGoodrich MT T/A KM2
BFGoodrich AT TA KO
BFGoodrich Mud King XT
Bridgestone Dueler MT
Cooper Discoverer ST
Cooper Discoverer STT
Cooper Discoverer ST/C
Federal Couragia MT
Firestone Destination AT
Firestone Destination MT
General Grabber MT
General Grabber AT2
Green Diamond Icelander
Ground Hawg Mud Tire
Hankook Dynapro MT
Hankook Dynamic MT RT01
Hercules Terra Trac MT
Hercules Trail Digger MT
Kelly-Springfield Safari DTR
Kelly-Springfield Safari MSR
Kumho Road Venture MT
Kumho Road Venture KL71
Kumho Road Venture AT
Dick Cepek Mud Country
Dick Cepek F-C II
Dick Cepek Fun Country II
Dick Cepek Fun Country Nylon
Dick Cepek Fun Country Kevlar
Mastercraft Courser MT
Mastercraft Courser HTR
Mastercraft Courser HTR Plus
Maxxis BigHorn Radial
Maxxis Creepy Crawler
Maxxis Trepador
Maxxis Buckshot Mudder
Maxxis MA-SW
Maxxis M-8080 Mudzilla
Maxxis MT-754 Buckshot
Maxxis MT-753 Bravo
Maxxis MA-751 Bravo
Maxxis MA-S2 Marauder II
Maxxis MA-S1 Marauder
Maxxis MT-762 BigHorn
Nitto Mud Grappler
Nitto Terra Grappler
Nitto Dura Grappler
Nitto Dune Grappler
Nokian Vatiiva MT
Pit Bull Rocker Extreme
Pit Bull Maddog
Pit Bull Growler
Goodyear Wrangler MT/R
Pro Comp Xterrain
Pro Comp All Terrain
Pro Comp Mud Terrain
Pro Comp Xtreme AT
Pro Comp Xtreme MT
Toyo Open Country MT
TrXus Mud Terrain
TrXus STS All Terrain
Michelin LTX A/T²
Michelin LTX AT2 Press
Michelin LTX AT2
Mickey Thompson MTZ
Mickey Thompson MTX
Mickey Thompson Baja Claw Radial
Mickey Thompson Baja Claw Bias
Mickey Thompson Baja Crusher
Mickey Thompson Baja ATZ Radial SLT
Competition Claw
Dunlop Mud Rover
Federal Couragia M/T
Nitto Dura Grappler
Yokohama Geolandar
Dick Cepek's 2008 F-250 Super Duty Project Vehicle – Project CRUSHER
Mud Tire Reviews
Product Reviews
Tire Reviews
ATV Tire Index
Carlisle 489 Titan
Dunlop Quadmax
Dunlop Quadmax Sport
Quadmax Sport Development
Highlifter Outlaw
ITP Holeshot
ITP Holeshot MX
ITP Holeshot ATR
ITP Holeshot XC
ITP Holeshot XCR
ITP Holeshot MXR
ITP Holeshot XCT
ITP Mud Lite
ITP Mud Lite XTR
ITP Sandstar
Kenda K538 Executioner
Tubeless Bearclaw K299
Kenda Klaw K532
Kenda Klaw K533
Kenda K534 Sand Gecko
Maxxis M961/M962 Mud Bug
Maxxis Rooster Paddle Tire
Maxxis M917/M918 Bighorn
Maxxis M966 Mudzilla
Super Swamper TSL ATV
Super Swamper TSL Vampire
Super Swamper Vampire EDL
Swamp Lite ATV Tires
ATV Tire Mounting
ATV / Quad Links
Quad Tire Reviews Index


Off-Road Lights
by LightForce Product Review / Installation.
from Off-Road Lights


Jeep Dana 300 TeraLow - 4:1 Gearset for the Dana 300 Transfer Case

Jeep Trans Swap
T-18A Transmission Rebuild & Short Shaft Conversion

Black Diamond Suspension Lift install for CJ-7


From the
Department of Cheap   Tricks and Useful Tips

Ultra-Cool Hand Throttle for Free!

Jeep V8 Swap Tips

The Exploding Clutch

Radiator Protection using 6 bucks worth of material

Cracked Under Pressure - Fixing a smashed fingernail

A Cheap, effective alternative to undercoating

Home-built Saginaw Gearbox Brace for the cost of lunch!

Ammo Box Storage - Mounting Them for Quick Disconnect

Home-built Serious Skid-Plate protection for the Oil Pan for under 20 bucks!