What does a transfer case doubler do?
The key to a Doubler™ setup, and the heart of the system, is the adapter and shaft that mate the 203 range box to the transfer case. The job of the adapter is to mate the 2 cases together and support the shaft that transfers the power from the 203 to the transfer case.
What is a NP203 Doubler?
For more than 11 years now, Off Road Design (ORD) has offered a NP203/205 Doubler kit designed to multiply the low-range gear ratio of fullsize trucks and SUVs. This combination of gearing vastly improves crawlability and torque multiplication without adversely affecting high-range cruising speed and engine rpm.
Which NP205 for Doubler?
Input Bearing Size ORD bases its Doubler on a TH400-style NP205, which utilizes a larger/stronger 90mm input bearing. NP205s with the small bearing will require case machining in order to build a Doubler.
Is the Dana 300 a good transfer case?
One of the best transfer cases ever built is the Dana Model 300. This cast iron transfer case is found in 1980 to 1986 model-year Jeeps, but it adapts well to many popular transmissions. Builders like it because it’s light and durable, but still provides superior performance.
How long is a 203 205 Doubler?
The overall length of the Doubler™ is now 21.5″ for all versions. This is measured from the front face of the 203 to the rear yoke centerline on the 205. This is the same length as the original 203, and only 6″ longer than original GM 205 applications.
Does a Dana 300 have PTO?
The biggest difference between the Dana 18 and Dana 300 is the Dana 300’s centered rear output through the port where the power take-off (PTO) was located on a Dana 18.
What’s the best transfer case for a jeep?
Take the guess work out of repairing a damaged transfer case all togther. If you’re looking to upgrade your existing transfer case, check out an Atlas II transfer case from Advance Adapters. Offering extreme low range and independent control of the front and rear axles, the Atlas II is the ultimate transfer case for your Jeep.
What kind of transfer case does a doubler have?
Basically, the Doubler consists of the gearbox section from an NP203 transfer case coupled to a complete 205 transfer case. It’s a 3 speed transfer case system, it has options for the 1:1 and 2:1 options that an NP205 would normally have plus a double low range gear of 4:1 with both cases in low range.
Can a 4 wheel drive case be replaced?
Fix your 4 wheel drive system with a new complete transfer case. If you’re existing transfer case is in need of repair, whether it be a broken chain, gears, or maybe even a cracked housing, now you can simply replace the entire transfer case with a brand new unit. Take the guess work out of repairing a damaged transfer case all togther.
What kind of transfer case does a NP205 have?
It’s a 3 speed transfer case system, it has options for the 1:1 and 2:1 options that an NP205 would normally have plus a double low range gear of 4:1 with both cases in low range. Choose an Option… GM Ford Dodge Choose an Option…