Every four-wheeler vehicle needs different kinds of transfer cases to run smoothly on varied terrains. There are plenty of GMC Transfer Cases for GMC vehicles that users may need if their vehicle isn’t working properly. If your vehicle’s gear gets struck while changing it, you need to change your transfer case.

It’s suggested to use the recommended oils or parts to keep your transfer case’s long life. Ensuring that the transfer case is working properly will also help you prevent your vehicle from getting damaged. One should always avoid using a vehicle with a damaged transfer case because improper power supply to wheels may cause accidents.

GMC NP 136 Transfer Cases

The GMC NP 136 is made for two drive types, including two high and 4WD. This transfer case features encoder motors for the electrical shift. There are twenty-seven spline front outputs in the GMC NP 136 Transfer Case, with its main drop on the driver’s side.

The NP 136 case is known to work best with a variety of vehicles like GMC Safari Van, Jimmy, and Suburban. Yukon’s Denali variant from 2000 itself can also use this transfer case. Some Chevy Astro Vans from 1999 onwards may also use the NP 136 case.

GM NP 231 Transfer Cases

The GM NP 231 features a low gear, having its ratio ranging from 2.70 and 1. Vehicles can move at various drive types like 2WD, 4WD, and neutral with the GM NP 231 Transfer Case.

The NP 231 model of GMC Transfer Cases also uses twenty-seven spline output at the front and a rear slip yoke. This unit of transfer cases works in vehicles like Blaze S 1998-1997, S10, and S15 Jimmy.

GM NP 236 Transfer Cases

The GM NP 236 works on chain-driven technology to support the 4WD and electric shift. The case of the NP 236 is made up of aluminum, making it lightweight. The gear ratio of the GM NP 236 is 2.72 to 1.

The low gear ratio of this unit, along with its drop output on the left, makes it good for various vehicles. One may use this transfer case in S10 Blazer and S10 Pickup trucks.

GM NP 261 Transfer Cases

The NP 261 model of GMC Transfer Cases are made for heavy vehicles like trucks and vans. The GM NP 261 also runs on chain-driven technology with a 4WD manual shift. The gear ratio of NP 261 also lies between 2.72-1.

The drop output of this case is on the left; it also supports most drive types, including 2high, 4high, and 4low. One may use the GM NP 261 Transfer Case in various Chevy like 1500, 2500,3500, Van, and GMC Sierra.

Conclusion

Each model of a transfer case fits well for multiple vehicles. While some cases support multiple drive types, there are a few transfer cases that support only select drive types like 4WD. Some of the GMC cases also have aluminum cases to ensure they are lightweight and durable.