Engine Codes

[yoter4x4]

I need to find out what motor I have in this jeep.

the only codes I see on the motor are as follows:

JDFW

EF32354444

does this make any sense to anyone? What motor is this?

[Davisrats]

the codes are on a flat pad on the block, under the #3 spark plug.

http://www.amcrc.com/tech/engine.html