Dodge / Ram • 68RFE

Quality by Design. Monster by Nature.

In Stock
RoadReady 68RFE transmission with converter
Starting at$4,299

RoadReady 68RFE

  • OEM-quality replacement for stock power
  • Refreshed frictions, bushings, solenoids & seals
  • Factory-smooth shift feel
  • Warranty: 3 Year Warranty • Unlimited Miles
  • Horsepower: Stock
StreetMonster 68RFE transmission with converter
Starting at$4,899

StreetMonster 68RFE

  • Upgraded Valve Body; no loss of pressure
  • Billet Spring Retainer
  • HD converter to cut out slip & heat
  • Warranty: 3 Year Warranty • Unlimited Miles
  • Horsepower: 100 Over Stock
SportMonster 68RFE transmission with converter
Starting at$7,194.95

SportMonster 68RFE

  • Custom Big Stack Overdrive Shaft to handle High Torque
  • Clutch Count increased by 33% for more holding power
  • Dual Friction converter with Stamped Forged Cover
  • Warranty: 6 Year Warranty • Unlimited Miles
  • Horsepower: 600
In Stock
TrackMonster 68RFE transmission with converter
Starting at$8,395

TrackMonster 68RFE

  • Billet Input Shaft for High Horsepower
  • Custom Big Stack Overdrive Shaft to handle High Torque
  • Billet multi-disc converter for extra holding power
  • Warranty: 1 Year Warranty • Unlimited Miles
  • Horsepower: 700+

Why Choose Monster for Your 68RFE Transmission?

If you’re searching for a 68RFE transmission, a 68RFE for sale, or a 68RFE transmission for sale for your Dodge Ram diesel truck, choosing the right build matters. The 68RFE is a proven transmission platform when it is matched to the truck’s real use, proper converter, correct fluid, and the right upgrades. At Monster, we build tiered 68RFE options for everything from stock replacement daily drivers to heavy-tow work trucks and high-horsepower street or competition setups.

  • Tiered 68RFE builds for stock replacement, towing, tuned street trucks, and high-horsepower applications.
  • Matched 68RFE torque converter options designed to reduce slip, heat, and lockup failure under diesel load.
  • Valve body, clutch, hydraulic, and hard-part updates that target common Ram 68RFE transmission weak points.
  • Recommended cooling and 68RFE transmission fluid setup guidance to improve durability after install.
  • Built for popular Dodge 68RFE and Ram 68RFE transmission applications using the 6.7L Cummins platform.
  • Available performance-focused 68RFE upgrades depending on your horsepower, towing, and intended use.

What is the best 68RFE transmission for sale for my truck?

The best 68RFE transmission for sale depends on how you use your Ram. If you want a stock-style replacement, RoadReady is the right fit. For light towing or mild power increases, StreetMonster is a smart step up. For frequent heavy towing or tuned diesel trucks, SportMonster gives more holding power and better converter control. For serious horsepower, TrackMonster is the right 68RFE build.

What trucks use the 68RFE transmission?

The 68RFE transmission is commonly found in Ram 2500 and many Ram 3500 diesel trucks behind the 6.7L Cummins. When customers search for a Ram 68RFE transmission or Dodge 68RFE, they are usually looking for a replacement or upgraded unit for these heavy-duty applications. Always confirm by VIN or build sheet before ordering.

Is a 68RFE torque converter included?

Yes. Every complete unit includes a matched 68RFE torque converter. That matters because the converter plays a major role in heat control, towing performance, and lockup durability. Higher-tier builds use stronger converter strategies and multi-disc style options where more holding power is needed.

What fluid does a 68RFE transmission use?

The 68RFE transmission fluid requirement is ATF+4. Using the correct fluid is critical for shift quality, clutch apply performance, and long-term reliability. After installation, always verify fluid level at operating temperature and follow the correct fill procedure.

What are the most common 68RFE upgrades?

Popular 68RFE upgrades include valve body improvements, better clutch capacity, upgraded hard parts, deeper pans, improved cooling, and a stronger torque converter. The right upgrade path depends on whether the truck is stock, tuned, used for towing, or built for high horsepower.

Do I need a Quick Learn after installing a 68RFE transmission?

Yes. After installing a 68RFE transmission, you should perform a Quick Learn and adaptive reset with a capable scan tool, then follow a proper drive cycle. This helps the transmission adapt correctly and can improve shift quality while protecting the new clutches.

What should I replace when installing a 68RFE?

At minimum, replace both 68RFE filters, use fresh ATF+4 68RFE transmission fluid, and flush or replace the cooler and lines. This is one of the most important steps when installing a 68RFE transmission for sale into a Ram truck because leftover contamination can damage the new unit.

Is the 68RFE good for towing?

Yes, the 68RFE transmission can be an excellent towing transmission when it has the right converter, cooling strategy, proper fluid, and build level. For stock trucks and light towing, a stock-style replacement may be enough. For heavier tow use, upgraded 68RFE builds with stronger internals and better converter control are the better long-term choice.

*Build choice should always be based on actual horsepower, tire size, axle ratio, trailer weight, and tuning.

68RFE Knowledge Hub

Everything you need to choose, install, and protect your 68RFE

68RFE Transmission Buying Guide: Fluid, Torque Converter, Upgrades, and Ram Fitment

Jump to: Buying guideHydraulic issues68RFE torque converter68RFE transmission fluid68RFE upgradesInstall checklistQuick Learn

Looking for a 68RFE transmission for sale?

If you’re searching for a 68RFE for sale or a 68RFE transmission for sale, the key is choosing a build that matches how the truck is actually used. A stock replacement 68RFE may work fine for a daily-driven Ram that stays near factory power. A truck that tows heavy, runs larger tires, or uses added power needs a stronger converter strategy, better clutch holding capacity, and the right hydraulic improvements. Buying the wrong 68RFE tier can lead to extra heat, converter slip, and reduced life under load.

Why 68RFE transmissions fail under load

The 68RFE transmission is heavily affected by hydraulic control, clutch timing, converter lockup behavior, and heat. In stock form, higher load from towing, tuning, or oversized tires can expose weak areas in clutch apply timing and line pressure. That is why stronger valve body calibration, clutch-capacity improvements, and targeted hydraulic updates are some of the most important upgrades for a working Ram 68RFE transmission.

68RFE torque converter: why it matters

The 68RFE torque converter is one of the biggest factors in towing performance and heat control. Diesel torque can punish the converter clutch under heavy load, especially during lockup events. A properly matched converter helps reduce slip, improves power transfer, and supports better durability whether the truck is stock, tuned, or used for frequent towing. Higher-tier 68RFE builds benefit from stronger converter designs and more holding capacity.

68RFE transmission fluid: what to use

When customers search for 68RFE transmission fluid, the answer is simple: use ATF+4. Correct fluid is essential for apply performance, shift feel, and clutch protection. The wrong fluid can change how the transmission behaves under temperature and load. After installation, always verify the level at the proper operating temperature and make sure both filters are replaced.

Most popular 68RFE upgrades

Common 68RFE upgrades include valve body improvements, increased clutch count, better hard parts, stronger overdrive-related components, upgraded converters, deeper pans, and improved cooling. Some trucks only need a reliable stock-style replacement with fresh hydraulic parts and proper fluid. Others need a more serious 68RFE build because they tow hard, run hot tunes, or see repeated high-load use.

68RFE installation checklist

  • Replace both 68RFE filters (pan + spin-on)
  • Flush or replace cooler and lines
  • Fill with ATF+4 only
  • Verify fluid level warm and correctly
  • Perform Quick Learn and adaptive reset
  • Recheck for leaks after heat cycles

Quick Learn and adaptive reset

A newly installed 68RFE transmission should not just be filled and driven hard immediately. Quick Learn and adaptive reset help the unit establish proper clutch volume indexes and shift behavior. Following the correct drive cycle can improve shift quality and help protect the transmission during the break-in period.

68RFE FAQs

What is a 68RFE transmission?

The 68RFE transmission is a heavy-duty 6-speed automatic commonly used in diesel Ram trucks behind the 6.7L Cummins. It is one of the most searched diesel transmissions because it is widely used in Ram 2500 and Ram 3500 applications.

Where can I buy a 68RFE transmission for sale?

If you are looking for a 68RFE for sale or a 68RFE transmission for sale, make sure you choose a build based on actual towing, horsepower, and truck use. A stock replacement is not always the right answer for tuned or hard-working trucks.

What fluid goes in a 68RFE transmission?

The correct 68RFE transmission fluid is ATF+4. Fresh fluid and both new filters are strongly recommended any time a transmission is replaced or installed.

How much fluid does a 68RFE hold?

Capacity varies depending on converter, pan depth, and cooler system, but many installs end up in the rough range of around 13 to 17 quarts total. Always verify final fill level with the proper warm checking procedure.

What does a 68RFE torque converter do?

The 68RFE torque converter transfers engine torque into the transmission and controls lockup under load. In diesel trucks, converter quality is critical for towing, heat control, and long-term durability.

What are the best upgrades for a Dodge 68RFE?

The best Dodge 68RFE upgrades usually include a stronger converter, valve body improvements, clutch-capacity updates, improved hard parts, better cooling, and the correct build tier for the truck’s intended use.

Is the 68RFE good for towing?

A properly built Ram 68RFE transmission can work very well for towing. The key is matching the transmission and converter to trailer weight, tire size, power level, and heat management.

What is the difference between a stock 68RFE and an upgraded 68RFE?

A stock-style 68RFE is built for factory-like driving conditions. An upgraded 68RFE typically includes better clutch capacity, improved hydraulic control, a stronger converter, and other durability changes aimed at towing or added power.

Do I need a cooler with a 68RFE transmission?

For many diesel trucks, especially tow rigs, improved cooling is a smart investment. Lower transmission temperature helps fluid life, converter performance, and clutch durability.

What trucks have a Ram 68RFE transmission?

Most searches for a Ram 68RFE transmission relate to diesel Ram 2500 and many Ram 3500 trucks using the 6.7L Cummins. Some later applications may vary, so final verification by VIN or build sheet is always recommended.

Can I run a tune with an upgraded 68RFE?

Yes, but the correct build level matters. Mild tunes may be fine with an entry performance build, while heavy tuning or frequent towing usually calls for stronger converter and clutch-capacity upgrades.

How do I choose between RoadReady, StreetMonster, SportMonster, and TrackMonster?

RoadReady is best for stock replacement. StreetMonster is a great choice for mild upgrades and light towing. SportMonster is ideal for heavier towing and more demanding diesel use. TrackMonster is for high-horsepower applications that need the strongest 68RFE setup.

Ram 68RFE Transmission Fitment Guide

The 68RFE transmission is best known as the automatic transmission used in many Ram 2500 and Ram 3500 diesel trucks equipped with the 6.7L Cummins. If you are searching for a Ram 68RFE transmission, a Dodge 68RFE, or a 68RFE transmission for sale, this fitment section is designed to help you narrow down the most common applications before ordering.

Because some model years and configurations may vary, especially in later 3500 applications, you should always verify by VIN, build sheet, or transmission tag before purchasing a replacement or upgraded 68RFE transmission.

Vehicle Engine Typical Years Common Notes
Ram 2500 Pickup 6.7L Cummins 2007.5–Present One of the most common 68RFE transmission applications.
Ram 3500 Pickup 6.7L Cummins 2007.5–2012 Many trucks in this range use the Dodge 68RFE.
Ram 3500 Pickup 6.7L Cummins 2013–Present Some use a 68RFE, others use Aisin. Verify before ordering.

Note: If you are unsure whether your truck uses a 68RFE transmission, confirm by VIN or build sheet before buying. This is especially important when ordering a 68RFE for sale online.