Engine Type
The J-20 was powered by a variety of engines throughout its production run. Initially, it was equipped with a 5.9-liter, V8 engine that produced 215 horsepower. Later models were available with a 6.6-liter, V8 engine that produced 197 horsepower, a 5.9-liter, six-cylinder engine that produced 125 horsepower, or a 4.2-liter, six-cylinder engine that produced 110 horsepower.
Transmission Type
The J-20 was available with either a four-speed manual transmission or a three-speed automatic transmission. The transmission was mounted directly to the engine and drove the rear wheels through a transfer case.
Transfer Case
The J-20 was equipped with a New Process NP208 transfer case, which had a two-speed range and allowed the driver to shift between two-wheel drive and four-wheel drive modes. The transfer case had a low range for off-road use and was controlled via a lever on the floor of the vehicle.
Front Axle
The front axle of the J-20 was a Dana 44 axle, which was a full-floating axle with a maximum capacity of 4,500 pounds. The axle was mounted directly to the frame of the vehicle and used leaf springs for suspension.
Rear Axle
The rear axle of the J-20 was a Dana 60 axle, which was a full-floating axle with a maximum capacity of 5,500 pounds. The axle was mounted on top of the frame rails and also used leaf springs for suspension.
Other Features
The Jeep J-20 Pickup was a rugged and capable heavy-duty pickup truck that was designed for both on-road and off-road use. It was available with a variety of engines and transmissions, and featured a New Process transfer case, a Dana front axle, and a Dana rear axle, which gave it excellent off-road capabilities. The J-20 could handle heavy loads with ease, and its leaf spring suspension provided a smooth ride. Overall, the J-20 was a reliable and durable pickup truck that was well-suited for a variety of tasks, from hauling cargo to off-road adventures.