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| Dual Transfercase Setup |
Marlin Crawler was the first to bring dual
transfer cases to the USA and the first in the world to bring low range gear
kits to the Toyota market. As the leader in Toyota transfer cases we build the
best units period. We can give you the low range, slow crawling gears your
looking for.
Installing a dual transfer case into a 4-cyl equipped truck
requires moving your existing t/case back approximately 6.5 inches. The
additional crawl box is installed between the transmission and t/case. All 4-cyl
gear driven t/cases are 21-spline except for the 1986-87 turbo, which is
23-spline. 2.28:1, 4.00:1, or 4.70:1 gears can be used in any combination in the
two t/cases. The most common choice is one set of 2.28:1 gears and one set of
4.70:1 gears, known as a Dual Ultimate Crawler. When
building a transfer case for 4-cyl applications, the stock 21-spline input gear
can be used. When building turbo, V6 & V8 applications, we highly recommend
using a 23-spline input in the rear t/case. Otherwise, failure of a factory
21-spline input gear is certain. Floorboard and drive shaft modifications are
required. The factory crossmember remains in its original position.
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Understanding the Success of the Marlin Crawler
Have you ever wondered what makes the Marlin Crawler stand out from the rest? Or why the Marlin Crawler is the
most reliable Dual Case Adapter on the market? If you would like to know why Marlin Crawler has established
such an Amazing track record, then please read this article,
which clearly explains why the Marlin Crawler is the strongest and most reliable Toyota Dual Transfer Case System in the World.
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| MC07 Dual Transfer Case Adapters
Kits Includes: Double bearing adapter housing, new oversized billet
main shaft, double roller bearing pressed and installed, Cage roller bearing pressed,
installed, and greased, Marlin Crawler Turtle Knob key way for shift fork, Toyota
transmission output seal, Toyota gasket and seal kit, attaching hardware. Install Instructions
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MC-14100, MC07, 21 Spline Kit, $369 |
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MC-14101, MC07, 23 Spline Kit, $369 |
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MC-14106, MC07-R10, 21 Spline Kit, $369 |
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MC-14107, MC07-R10, 23 Spline Kit, $369 |
MC08 Dual Transfer Case Adapters
This special Billet aluminum adapter is also available in standard
or rotated fashion. The standard version is just like the MC07 above, except it is
made with Billet Aluminum which is much stronger than its Cast counterpart. The
rotated variant rotated the rear transfer case left by10 degrees. This lifts up the
4WD front section so that it is level with the rest of the transfer case. Increases
clearance under case by 1-3/16", and also raises the front driveline which
furthure improves ground clearance and helps prevent driveline damqage. Requires
slight bending of rear shifter.
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MC-14102, MC08, 21 Spline Kit, $499 |
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MC-14103, MC08, 23 Spline Kit, $499 |
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MC-14104, MC08-R10, 21 Spline Kit, $499 |
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MC-14105, MC08-R10, 23 Spline Kit, $499 |
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MC07-R10 Adapter Kit
Assembled R10 Adapter
Learn more about the
amazing Marlin Crawler
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Select Units are assembled, in
stock, and ready to ship!
Please call for more details!
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Ready-To-Run Crawl Boxes
Dual Marlin Crawler transfercase Crawl Box Unit
featuring 21 or 23-spline, 2.28:1 or 4.70:1 gear ratios. Complete, Ready-To-Run
Reduction Unit featuring our World-Famous Double Roller Cast or Billet Aluminum Adapter
Plates. No Crawl Box Assembly or Disassembly
Required. All necessary hardware included. Includes factory shifter assembly
with a Marlin Crawler Turtle Shift Knob. Unit installs
between transmission and transfer case. Floorboard and driveshaft modifications are
required. Fits 1979-1995 gear driven transfer cases, 4 & 5 Speed applications.
No core charge.
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P/N |
Model |
Ratio |
Spline |
Price |
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MC-14400 |
MC07-U |
2.28:1 |
21 |
$719 |
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MC-14401 |
MC07-U |
2.28:1 |
23 |
$869 |
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MC-14402 |
MC07-U |
4.70:1 |
23 |
$1,168 |
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MC-14400R |
MC07-R10-U |
2.28:1 |
21 |
$719 |
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MC-14401R |
MC07-R10-U |
2.28:1 |
23 |
$869 |
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MC-14402R |
MC07-R10-U |
4.70:1 |
23 |
$1,168 |
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MC-14403 |
MC08-U |
2.28:1 |
21 |
$849 |
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MC-14404 |
MC08-U |
2.28:1 |
23 |
$999 |
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MC-14405 |
MC08-U |
4.70:1 |
23 |
$1,298 |
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MC-14406 |
MC08-R10-U |
2.28:1 |
21 |
$849 |
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MC-14407 |
MC08-R10-U |
2.28:1 |
23 |
$999 |
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MC-14408 |
MC08-R10-U |
4.70:1 |
23 |
$1,298 |
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21-Spline 2.28:1
MC07-U Crawl Box
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Dual Ultimate Crawler
This is the ultimate setup for your rock crawler.
Features our 4.70 gears in the rear case and MC07
dual adapter plate. 20 forward and 4 reverse gear
combinations. Fits 1979-1995 gear driven transfer
case applications. 4 & 5 Speed application only.
4.00 or 4.97 gears available upon request. One t/case
shifter included, reuse your original shifter in second
position.
Additional $250 core charge will be refunded
upon return of single stock gear drive transfer case.
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MC-14450, Transfer Case Assembly, Dual 2.28 & 4.70 4Cyl 21 Spline, $1,445 |
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MC-14470, Transfer Case Assembly, Dual 2.28 & 4.70 4Cyl 23 Spline, $1,619 |
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Installation service available on all transfer case kits & components. |
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3.0L V6 Dual Case Setups, 1988-1995
Installing a dual transfer case into your 3.0L V6 truck
can be done in two ways: 1) By using two gear driven transfercases, you can
replace your stock Chain Drive transfercase with a Gear Driven Dual Case
Transfercase. 2) By using one gear drive transfercase low range Crawl Box, a
100% bolt-in Dual Case Unit can be installed between your factory transmission
and factory chain drive transfercase. We have been using the Gear Drive
Transfercases and its components for over ten years and have found them to be
most reliable. We believe that a 1979-95 Gear Drive Transfercase is stronger
than a 1988-95 Chain Drive Transfercase. The biggest problem with the Chain
Drive Transfercase seems to be with its input gear, which we have seen fail.
The Chain Drive Transfercase uses a 2.56:1 planetary gear reduction, which, due
to reliability concerns, we do not offer lower gearing options for. With
this said, a Chain Drive Dual Case setup is limited to the addition of a 2.28:1
(or 4.00, 4.70, 4.97) MC10-R10 Crawl Box. A combined Reduction of 5.84:1 is
standard and a 12:1 is the optional Ultimate setup
using the 4.70:1 ratio (please note that the 4.00 and 4.97:1 gear ratios are generally
not recommended).
The Gear Drive Transfercase uses a standard 2.28:1 gear
reduction, and may be swapped for a 4.70:1 (or 4.00/4.97 if desired). When
combined with our Gear Drive Dual Case Unit of 2.28:1, a standard combined
reduction of 5.19:1 is achieved while a 22.09:1 is the
optional Double Ultimate setup
using two sets of 4.70:1 gears, something that is NOT possible in a Chain Drive
Dual Case Setup.
Floorboard and drive shaft modifications are required, while
the factory crossmember is retained and remains in its original position. |
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| Ready-To-Run V6 Gear Drive Dual Crawler |
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1988 - 1995 Pickup/4Runner V6 Dual case assemblies. Completely
assembled dual case V6 unit ready to bolt in. Replaces factory chain drive
transfer case.
Comes with assembled V6 adapter plate and all mounting hardware & tcase
mount. Includes Marlin Crawler Turtle Shift Knob and shifter. No core charge. 4.00 & 4.97 gears also available.
On 1992-95 Applications, an Electronic Vehicle Speed Sensor is required (see below).
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MC-14550, Transfer Case Assembly, Dual 2.28 & 2.28 V6, $1,619 |
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MC-14560, Transfer Case Assembly, Dual 2.28 & 4.70 V6, $2,065 |
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| Ready-To-Run V6 Chain Drive Dual Crawler |
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1988 - 1995 Pickup/4Runner V6 Dual Case Unit. This MC10-R10
Marlin Crawler is a rotated adapter plate with our famous Double Row Bearing
that allows the installation of a 1979-95 Gear Drive reduction unit between
your 3.0 V6 Transmission and 1988-95 Chain Drive T/case. This Unit is
completely assembled (pictured to the right) and ready to be fitted between your stock 3.0 V6
transmission and chain drive transfercase. Standard Low Range is 2.28:1, and
can be upgraded to a 4.70:1 Low Range Gear Set for the Ultimate Crawl Ratio.
Includes Marlin Crawler Turtle Shift Knob and shifter, and a replacement
transmission mount. No core charge. 4.00 &
4.97 gears also available but are generally
not recommended.
On 1992-95 Applications, an Electronic Vehicle Speed Sensor is required (see below).
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| The MC10-R10-K Kit is NOT Ready-To-Run. It
includes the MC10-R10 Adapter kit assembled with Bearings and Dowel Pins,
Coupler, thrust washer, required hardware, and Turtle Knob. A Front Adapter
P/N# 30-4GT (see below) is required to adapt to the gear drive Crawl Box, and
a Donor 1979-95 Gear Drive Transfercase is required to assemble the Crawl Box.
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MC-14551, MC10-R10-U 3.0 V6 Chain Drive Dual Case Crawl Box, 2.28:1, $1,299 |
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MC-14552, MC10-R10-U 3.0 V6 Chain Drive Dual Case Crawl Box, 4.70:1, $1,749 |
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MC-14553, MC10-R10-K 3.0 V6 Chain Drive Dual Case KIT, 2.28:1, $649 |
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MC-14553, MC10-R10-K 3.0 V6 Chain Drive Dual Case KIT, 4.70:1, $1,099 |
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| V6 Gear Drive Dual Crawler Kits
V6 Dual t/case kit. Requires 2 4-cyl gear driven top shifting
t/case assemblies. Rear t/caser input must be 23-spline. Dual kit includes V6
plate, MC07 dual adapter, and (2) input gears. Dual Ultimate kit includes V6
plate, MC07, 1 input gear, and 23 spline 4.70 gears for the rear case. 4.00
& 4.97 gears also available.
V6 Adapter Plate Instructions |
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MC-14202, Transfer Case Kit, Dual 2.28 & 2.28 V6, $1019 |
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MC-14203, Transfer Case Ultimate Kit, Dual 2.28 & 4.70 V6, $1,319 |
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| V6 Adapter Plate
Allows 4Cyl gear driven transfer case to bolt onto 1988-1995 3.0L 5speed
V6 transmission replacing chain drive case. New Updated design now includes a
special Seal Adapter (not pictured).
V6
Adapter Plate Instructions
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MC-14210, 30-4GT V6 Adapter Plate, $349 |
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Triple Drilled Flanges
Our flanges
feature all the 84 and up popular patters. Makes
fitting drive shafts with other patterns much
easier. Bolt on installation.
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MC-14660, Transfer Case Flange, $35 |
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MC-14661, Differential Flange, $35 |
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Total Spline™ 2.28:1 Turbo Input
Marlin Crawler's Exclusive Total Spline™ 23-spline 2.28:1 transfercase input gear.
Originally for Factory 1986-1987 Turbo Transfercase input gear. Accepts 5spd
transmission outputs of R150F (3.0L V6) and R151F (2.4L Turbo I4). Fits any gear
driven t/case 1979-1995. Factory 2.28:1 Gear Ratio.
Don't settle for
Non-Total-Spline™ technology!
Do it right the first time and
never worry about strip-outs or input failure again!
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MC-14211, 23 Spline Input Gear, $159 |
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| Marlin Crawler VSS
We are now producing our very own Vechicle Speed
Sensor (VSS). This 3-wire, 4-pluse magnetic pulse amplifier will
convert ANY Toyota vehicle with a standard 22x1.50 mechanical
speedometer drive to an electronic speedometer system. Features a
standard Toyota VSS Plug for your convience. The Applications are
unlimited, converting both 4WD and 2WD 22x1.50 mechanical speedometer
setups to electronic 3-wire, 4-pulse speedometer setups. Now
installing a Tacoma Engine into a Hilux or Land Cruiser is a snap!
Works on both Gear and Chain Drive Transfercases!
For 1992-95 V6 Applications, when converting to a Gear Drive
T/Case Setup, the only previous option was to use a 1992-95 Factory
Toyota 4cyl 5-speed Gear Drive T/Case VSS, that sells for $210. The
New Marlin Crawler VSS saves $150 on a 1992-95 V6 Transfercase
Conversion.
Please click here for more pictures.
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MC-VSS, Electronic Vehicle Speed Sensor, $59 |
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