YWST: Low Range T-Case Gear Sets for the 1980-2007 Cruisers (1 Viewer)

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Land Cruiser Transfer Case Low Range Gear Sets

Sumo Gear sets are made to OE specifications in Japan. These popular gear sets offer transfer case gear reduction with the highest quality components on the market. Give us a call if you have any questions or would like to place an order!

SPLIT TRANSFER CASE: 8/1980-1/1990 4x/6x/7x Series (and later 7x's)

3:1 Low Range Gear Reduction Set - Split Case 8/1980-4/1986 4x/6x/7x Series

Fits Split-Cases with 34mm* Idler Shaft. Minor machining required. Made in Japan to OE Toyota specifications. Includes new input, idler & high/low output gears.
Part# TCG808631 - $1025.00

3:1 Low Range Gear Reduction Set- Split Case 4/1986-1/1990 6x/7x Series
Fits Split-Cases with 38mm* Idler Shaft, also fits 1990+ non US 7x/8x split style transfer cases, please call with VIN for verification. Minor case machining required. Made in Japan to OE Toyota specifications. Includes new idler & low speed output gears.
Part# TCG869031 - $705.00

IMG_1646.JPG

TCG808641 Shown

3.3:1 Low Range Gear Reduction Set - Split Case 8/1980-4/1986 4x/6x/7x Series

Fits Split-Cases with 34mm* Idler Shaft. Includes replacement input gear, idler gear assembly, idler shaft, idler bearings & thrust washers and high and low speed output shaft gears. Requires minor clearancing to case housing. Factory ratio is ~2.3:1, these 3.3:1 gears offer a ~45% low range reduction and a 10% high range reduction. Made in Japan to OE Toyota specifications.
Part# TCG808633 - $1150.00

3.3:1 Low Range Reduction Gear Set- Split Case 4/1986-1/1990 6x/7x Series
Fits Split-Cases with 38mm* Idler Shaft, also fits 1990+ non US 7x/8x split style transfer cases, please call with VIN for verification. Includes replacement input gear, idler gear assembly and high and low speed output shaft gears. Requires minor clearancing to case housing. Factory ratio is ~2.3:1, these 3.3:1 gears offer a 45% low range reduction and a 10% high range reduction. Made in Japan to OE Toyota specifications.
Part# TCG869033 - $1050.00

4:1 Low Range Gear Reduction Set - Split Case 8/1980-4/1986 4x/6x/7x Series
Fits Split-Cases with 34mm* Idler Shaft. Includes replacement input gear, idler gear assembly, idler shaft, idler bearings & thrust washers and high and low speed output shaft gears. Requires machining to case housing. Factory ratio is ~2.3:1, these 4:1 gears offer a 75% low range reduction and a 10% high range reduction. Made in Japan to OE Toyota specifications.
Part# TCG808641 - $1300.00

IMG_1647.JPG

TCG869041 Shown

4:1 Low Range Reduction Gear Set- Split Case 4/1986-1/1990 6x/7x Series

Fits Split-Cases with 38mm* Idler Shaft, also fits 1990+ non US 7x/8x split style transfer cases, please call with VIN for verification. Includes replacement input gear, idler gear assembly and high and low speed output shaft gears & FIPG sealant. Requires machining to case housing. Factory ratio is ~2.3:1, these 4:1 gears offer a 75% low range reduction and a 10% high range reduction. Made in Japan to OE Toyota specifications.
Part# TCG869041 - $1150.00

HIGH RANGE OVERDRIVE (Higher Speed/Lower RPM) & Underdrive (More power/higher RPM) Gear Sets:

10% Overdrive/Underdrive Split T-Case High Range Options for 8/1980-1/1990 4x/6x/7x Series

10% overdrive and 10% underdrive high range gear options for the 1980-1990 (and later non-US) Split T-Cases. - $395/set
Overdrive:

Underdrive:

These work WITH your existing idler gear and low range output, so you replace the input gear and the high range output gear to offer either a 10% underdrive or 10% overdrive in high range only. As the low range gearset is also driven by the input gear, this does alter the low range accordingly. These are a direct fit into a 86-90 38mm t-case. They can be used in the 80-86 34mm t-case by using the 86-90 idler gear (with conversion parts) and low speed output gear. Please call for pricing/options on the 34mm variants as we don't have these in the computer yet.

*Please verify idler shaft size by measuring the idler shaft where it protrudes from the back of your split transfer case. There is some noted overlap in the 34mm cases and some early uses of the 38mm cases. Please measure before ordering.

Split T-Case Gear Options:


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80/100 TRANSFER CASE: 1/1990-2007 8x/10x

IMG_3589.JPG

TCG9007ODHR Shown

80/100 High Range 10% Overdrive Gear Set - 8x/100 Series Land Cruisers

Fits 1/1990-1/1998 8x Series/LX450 and 98-07 100 Series Land Cruisers/LX470 (100/470 applications require additional parts, call for info). Fits factory full-time (HF2A/HF2AV) transfer cases found in US Spec and global market Land Cruisers. These gears offer a 10% overdrive in high range, equivalent to converting axle gears from the 4.10 to 3.70 gears without having to do ring & pinion work.
Part# TCG9007ODHR - $505.00

80/100 High Range 10% Underdrive Gear Set - 8x/100 Series Land Cruisers
Fits 1/1990-1/1998 8x Series/LX450 and 98-07 100 Series Land Cruisers/LX470 (100/470 applications require additional parts, call for info). Fits factory full-time (HF2A/HF2AV) transfer cases found in US Spec and global market Land Cruisers. These gears offer a 10% underdrive in high range, equivalent to converting axle gears from the 4.10 to 4.56 gears without having to do ring & pinion work.
Part# TCG9007UDHR - $505.00

IMG_1622.JPG

TCG900731 Shown

3.1:1 Low Range Reduction Gear Set - 80/100 Series Land Cruisers

Fits 1/1990-1/1998 8x Series/LX450 and 98-07 100 Series Land Cruisers/LX470. Fits both factory full-time (HF2A/HF2AV) transfer cases found in US Spec and global market Land Cruisers. Includes both low speed output gear and idler gear & FIPG sealant. Minor case clearancing is required using a die-grinder, otherwise these are a direct fit to your 80/100 Series transfer case. Factory ratio is 2.49:1, these 3.1:1 gears offer a 25% low range reduction with no change to the 1:1 high range. Made in Japan to OE Toyota specifications.
Part# TCG900731 - $725.00

80 New Gear Chart.JPG


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Last edited:
3:1 Low Range Gear Reduction Set - Split Case 8/1980-4/1986 4x/6x/7x Series
Fits Split-Cases with 34mm* Idler Shaft. No case machining required. Made in Japan to OE Toyota specifications.
Part# TCG808631 - COMING SOON

FIRST on that list....please (should work in my BJ74...I hope!!)
 
FIRST on that list....please (should work in my BJ74...I hope!!)

Cool, I'd love to make that happen. I'll keep you posted!
 
80/100 High Range Reduction Gear Set - 80/100 Series Land Cruisers

Would this be an alternative to changing out the diff gears?
 
80/100 High Range Reduction Gear Set - 80/100 Series Land Cruisers

Would this be an alternative to changing out the diff gears?

Absolutely but we are not 100 certain 20% reduction is going to happen in the US spec T-Case without some major mods and/or swap to a non-US part-time case BUT if we can make it happen, they will be an excellent option for lower gearing without diff work.

Edit: we do have 10% reduction available, think 4.11 to 4.56 axle type change.
 
@cruiseroutfit always been a fan of you guys and your great customer service. I would like to know more about -

80/100 High Range Reduction Gear Set - 80/100 Series Land Cruisers
Fits 1/1990-1/1998 8x Series/LX450 and 98-07 100 Series Land Cruisers/LX470. Fits both factory part-time (H1FA) and full-time (HF1A/HF2AV) transfer cases found in US Spec and global market Land Cruisers. Made in Japan to OE Toyota specifications.
Part# TCG9007HR - COMING SOON

Can you elaborate here, or shoot me a PM ? Looking for more summer projects to take away my spare time !
 
@cruiseroutfit always been a fan of you guys and your great customer service. I would like to know more about -

80/100 High Range Reduction Gear Set - 80/100 Series Land Cruisers
Fits 1/1990-1/1998 8x Series/LX450 and 98-07 100 Series Land Cruisers/LX470. Fits both factory part-time (H1FA) and full-time (HF1A/HF2AV) transfer cases found in US Spec and global market Land Cruisers. Made in Japan to OE Toyota specifications.
Part# TCG9007HR - COMING SOON

Can you elaborate here, or shoot me a PM ? Looking for more summer projects to take away my spare time !

These gears exist for non-US part-time cases, getting a set for a full time case might be tough as I eluded to above but we are working with manufactures to make it happen. Time will tell if the demand and engineering work out.
 
Kurt, pm me price shipped to CA for 5.29 gears with master kits for oem lockers and 3.1:1 low range reduction gear. Thanks.
 
Any more info on the 3:1 split sets kurt?
 
Kurt, pm me price shipped to CA for 5.29 gears with master kits for oem lockers and 3.1:1 low range reduction gear. Thanks.

Sorry, just seeing this. Give us a shout at the shop, we have several options for just about everything on your list :D
 
Any more info on the 3:1 split sets kurt?

I'll post some more info tomorrow :D

We've received an update from the manufacturer, they will require minor clearancing. We were optimistic on the no mod claim but are still excited to have a 3:1 option. It will be perfect in my BJ74 for example.
 
Any more info on the 3:1 split sets kurt?

Update: They are still safe and sound in this pallet of Japan goodies :D

20170417_180432.jpg
 
Lol
 

It's 2nd in line to get pulled apart tomorrow. The pallet in front is from Slee. Spring is a bit crazy :D
 
@Mace

Unboxing the 3:1 gears for the 80-90 Split t-case

Box

gears5.jpg


Gears

gears4.jpg
 
NICE!!!

Any info from your buddy? I have not heard anything.
 
lol
 
How about the High range reduction and the low range reduction kit in the same case? is it possible?
 

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