You see, Paul has pretty much all the time in the world to get through a mud pit, so what he lacks in power, he makes up with torque and gearing. A five-speed Eaton transmission out of a Ford F-7000 bolted right up to the 5.9L Cummins, and features an 8:1 low gear.
Next, a 2.5:1 transfer case from an F-600 Ford sends power to 2 1/2-ton Rockwell axles, which are fitted with 6.72 gears. That means when Paul hits the go pedal, his 134:1 overall gear ratio sends a whopping 53,600 lb-ft of torque to the tires-enough to get through almost any mud pit.
As far as purpose-built vehicles go, this Bronco is one of the coolest we've seen in a while. Weighing in at 7,200 pounds and standing almost 10 feet tall, Paul's truck has only been stopped a couple of times by mud. In fact, he's won more than $1,500 by crawling through mud in Yankee Lake, Ohio. While this mud truck is certainly different, you can't argue with success. DP
 The inside is sparse, featuring...  The inside is sparse, featuring gauges, a couple of wires, and seats. "I liked the Cummins because of how easy it was to install," Paul says. "It only took two wires, then it fired right up." |  The rear of the truck has...  The rear of the truck has the factory International leaf springs, along with 6-inch lift blocks. |  The front end uses a hydraulic...  The front end uses a hydraulic steering system with borrowed parts from a forklift. "You can turn the wheel with one finger," Paul says. |
 Paul is seen here, halfway...  Paul is seen here, halfway up his 60-inch tall tires. In some deeper mud pits, the tires almost disappear, and he has to rely on the diesel's torque to pull him through. |  Paul added a set of pinion...  Paul added a set of pinion brakes to the 2 1/2-ton axles for stopping power. "I don't remember what kind of vehicle they came from," he admits. "We just went to the junkyard and started pulling parts." |  Paul escapes from the mud...  Paul escapes from the mud pit at Yankee Lake, Ohio. |