MCR8 raised $7,352 in donations to The Rubicon Trail Foundation, making this the largest donation Marlin Crawler has ever raised for a non-profit organization!! Thank you to everyone who participated, we can't wait until next year!!

Lefty - Left Hand Drop Geared Transfer Case

Marlin Crawler is proud to offer the Inchworm Lefty, a left hand drop geared transfer case. We are now a full Tacoma, FJ Cruiser, and Tundra Rock Crawling drivetrain service shop. Our website will soon feature complete drivetrain options for your 1995 and newer Tacoma, FJ Cruiser, or Tundra, 4WD or Prerunner, automatic or manual transmission, 4-, 6-, or 8-cylinder applications. Full installation now available. Click here for more info...

New 4.70:1 XD Gear Kit

The long anticipated 4.70:1 Xtreme Duty gear set has finally arrived! This new gear set is truly a work of art. The Xtreme Duty gear set is the most feature rich and most technologically advanced Toyota low range gear set in the world. The Xtreme Duty gear set proves that when it comes to Crawling, their is no substitution to the Marlin Crawler.

Billet Shift Fork, R-series

We are proud to release our all-new high strength 7075-T6 billet aluminum R-series transmission 1st-2nd shift fork.

For R-series 5speed transmissions, this high strength shift fork is much stronger than the stock cast aluminum fork that wears out or even brakes all too often.

Heavy Duty Long Spline Front Driveline

We now carry these Heavy Duty Long Spline Drivelines to suit your single, dual, and triple case needs. Our shafts feature 25% larger splines and 160% thicker tubing than stock!

Available with or without a CV Joint, they feature full length splines for maximum extension and versatility to fit your custom high strength driveline needs.

4.70:1 Competition Chromoly Gear Kit

We are proud to introduce another addition to our highly successful Competition Series product line. These new gears are made with one thing in mind: Pure raw unbridled strength. These babies feature our unbeatable and overwhelmingly successful Total-Spline input technology. Nothing else can compare to a Marlin Crawler!

25mm Steering Upgrade Kit w/ Arms

[PATENT PENDING] Our new Competition Series Steering Upgrade Kit replaces the stock wimpy 17mm pivots with beefy 25mm Chromoly pins. The Marlin Crawler solution to blown up knuckle bearings and sheared pins starts with pivot pins that are 68% larger than stock...

30-Spline Transfer case Output Shaft

[PATENT PENDING] Our new Toyota 1979-95 gear drive transfer case output shaft is the first in the world to feature 30-splines. The increased spline count helps spread the load across the massive shaft diameter of 32mm at its thinnest spot. Additionally, our output shaft is riffle drilled...