Dynatrac Tech Info and News

  • Dynatrac Free-Spin™ Hub Conversion Kits Replace Problematic Unit Bearings for Improved Durability and Fuel Economy

    In 2003 Dynatrac was the first company to engineer the Free-Spin™ manual locking hub conversion kit to replace the problematic unit wheel bearings found on Ford Super Duty and Dodge Ram Heavy Duty ¾- and 1-ton 4x4 pickup trucks. Unitized wheel bearings are especially prone to wear on lifted applications with bigger tires, and on trucks used for commercial purposes that see heavy-duty use all day, every day.

    The Dynatrac Free-Spin locking hub conversion kit reduces parasitic friction and wear on the front axleshafts, ring and pinion, differential bearings, and front driveshaft and U-joints. Reduced friction equates to increased fuel economy and decreased drivetrain noise on the highway. The Dynatrac Free-Spin kit is the only locking hub conversion kit that is 100 percent made in the U.S. Continue reading

  • The Difference Between New Generation Dana 44 Axles and Older Ones

    The Dana 44 has been a desirable axle for Jeep builds nearly since its introduction in the 1940s. But before you get too excited about scoring a Postal Jeep 44 or even spend much energy drooling over the next-gen or new generation Dana 44 used under the 2007-2016 Jeep Wrangler JK, you owe it to yourself to learn the facts. Not all 44s are equal.

    The Dana 44 has been manufactured for nearly 70 years, and was original equipment under Jeep, Ford, GM, Dodge, International Harvester and Studebaker vehicles, and even the Isuzu Rodeo and Honda Passport. And almost every one of these had some unique, funky specification just for that model. The Dana 44 has been offered in both high- and low-pinion, with centered and offset pumpkins. Factory axleshafts ranged from 10-spline through 32 with diameters from 1.175-inch up to 1.41-inch. Continue reading

  • A Better Jeep Wrangler JK Brake Upgrade from Dynatrac

    The first thought most people have after lifting their Jeep Wrangler JK and fitting it with 35-inch or taller tires is, that looks cool! The second thought is usually, wow, this thing doesn’t stop very well anymore – I need a brake upgrade!

    When you install larger and heavier wheels and tires on the popular Jeep JK, the stock brakes have a hard time bringing the increased mass to a stop. The result is that you lose confidence in your ability to bring the Jeep to a stop as needed and the fun-factor of the vehicle is reduced.

    The aftermarket recognized this need, and there are quite a few brake upgrades available. Dynatrac recently introduced its ProGrip Brake System for 2007-2015 Jeep Wranglers, which is unique in how it solves the braking issue. Continue reading

  • Welcome to the New Dynatrac Website

    You probably noticed pretty quickly that we have done a complete overhaul of our website. The new Dynatrac.com has a modern look to it and is responsive to automatically reconfigure to display and function well on smarthpones, tablets and an unlimited variety of computer screen sizes.

    But we didn’t build this website for us, we built it for you! So we want to know what you think! Kick the tires, engage the lockers and explore our new website. Then let us know what you think. Continue reading

  • Comparing Axle Upgrade Options for Your Jeep Wrangler JK, Rubicon, TJ, YJ and XJ Cherokee

    Instead of forcing our customers into a single axle option for their Jeep JK Wrangler, Wrangler Unlimited, Rubicon, TJ, YJ and XJ Cherokee, Dynatrac offers many different levels of complete bolt-in off-road axle assemblies to meet a broad variety of ways that people use their vehicles. From the Mopar JK Rubicon Dana 44 to the ProRock 80,™ we can meet just about every need, can help you choose the option that best fits your needs, including your budget. Continue reading

  • Full-Floating Versus Semi-Floating Axle

    Any drive axle must be capable of performing two functions: Support the weight of the vehicle safely and transmit power to the wheels for propulsion. By design, all steering (front) drive axles are full-floating, but rear drive axles may be semi-floating or full-floating. Continue reading

  • 10 Questions You Should Ask When Shopping for an Off-Road Axle

    If you're shopping for an off-road axle for your Jeep, there are a lot of choices. They all promise to be a bolt-in and an upgrade to the factory axles, but don't be fooled: there are some key differences! If you're looking for a Dana 44 upgrade or the strength and durability of a Dana 60-based axle, here are some important questions you need to ask companies that you're considering Continue reading

  • What Makes a Dynatrac ProRock™ Axle Different and Better for Your 4x4

    You’re probably familiar with Dynatrac and its axles, but did you know that the company was the first to introduce a high-clearance differential housing for off-roading? In 2002 the ProRock 60® debuted and changed the off-road axle industry forever. The patented design of the ProRock 60 provides more ground clearance than a much weaker and less capable Dana 44 axle, and a full inch more clearance than a Dynatrac Pro 60™ or traditional Dana 60. This feature alone allows your 4x4 to keep moving forward up the trail, instead of hung up and stuck. Continue reading

  • Dynatrac™ was Created Out of a Need for Quality Off-Road Axles

    If you’re building a Jeep or other 4x4 for off-roading, you probably know the name Dynatrac™ and associate it with big, beefy, high-quality axle assemblies. But there wasn’t always a Dynatrac offering alternatives to junkyard rebuilds of Dana 44 and Dana 60 axles with patented, unique drivetrain products designed specifically for the way you use your vehicle off road. The company had very humble beginnings. A man with a need and a drive to offer something better than what was available. Continue reading

  • Why Dynatrac™ Ball Joints Are Better

    In the early 1990s, we noticed that the balljoints the industry was switching to in solid-axle vehicles were not holding up as well as people thought they should. We looked at aftermarket alternatives and didn’t find any better quality, so we set out to engineer and build our own Heavy Duty Ball Joints.™ We wanted them to be as strong and durable as older kingpin setups, but to provide better control and accuracy like a balljoint. We also decided to make ours rebuildable, and exclusive for the performance off-road market. Continue reading

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