Super Duty Rumble! The F-350 Tremor
Those that know trucks know that the ultimate off-road pickup from Ford is the Raptor.
Based off of an F-150, the Raptor gets a modified body, high-output engine and some
intense off-road hardware. But what if you want those similar off-road capabilities from
the Raptor, but in a heavy-duty truck? And rather than be sporty, you prefer luxury. Well,
Ford has that covered as they unleash the Tremor. And opt for it with the popular King
Ranch package and you have a truck that combines the ultimate in luxury, tech and off-
The Tremor is a package available on Ford’s Super Duty range of heavy-duty trucks that
adds off-road equipment such as meaty tires, a lifted suspension, and other rugged bits.
It’s available only on crew-cab models and only with either of the available upgrade
As-is, the current Ford Super Duties are quite intimating. Add in the Tremor package,
they just look flat out mean. First off, a lift kit raises the front suspension by two inches,
making the Tremor stand tall. Underneath, there is a front axle with a limited-slip
differential while the rear gets a locking differential. At each corner are 35-inch
Goodyear Wrangler Duratrac off-road tires wrapped around 18-inch matte black wheels.
The Tremor also has different shocks than those on a standard Super Duty. The front air
dam is five inches higher than normal, which helps the truck’s approach angle, and Ford
says that the Tremor model can cross water up to 33 inches deep. A rock-crawl mode
operates in low range, and Ford also has a Trail Control system that operates like a sort of
off-road cruise control.
The Tremor that Ford had me in last week was an F-350 decked out in the King Ranch
package. So while the Tremor is quite the off-roader, inside, itís nothing but Western-
theme luxury. We are talking about nice two-tone brown-and-tan leather seating surfaces
and armrests along with the famous ranch logo stamped in various places.
Under the hood, the Tremor can be fitted with either of the Super Duties optional
engines. The first is the 7.3-liter gasoline V8 that makes 430 hp and 475 lb.-ft of torque.
The other is the 6.7-liter turbocharged diesel V8 that makes 475 hp and an amazing 1,050
lb.-ft of torque. A 6.2-liter gas engine (385 hp and 430 lb.-ft of torque) is standard.
Regardless of engine choice, a 10-speed automatic transmission is used. The tester was
fitted with the diesel engine.
Climbing inside the cabin of the Tremor requires using the side step and the grab handle –
as this truck sits high. Once in, a familiar ambiance awaits the occupants. The interior
carries a blocky industrial theme that provides for big and easy-to-use controls and
buttons. Conveniences are found everywhere – from heated and vented seats to an 8- inch
touch screen. A helping hand is the multicamera that gives a 360-degree view around the
truck ñ practically a necessity when parking this big machine.
While the Tremor is big and can be a bit intimidating to look at, I found driving it to be
surprisingly easy. While you do feel its heft, itís quite manageable. The ride is a
somewhat jittery, but that’s too be expected for a big truck with no load. The ridiculous
diesel torque monster delivers power effortlessly and smoothly. It’s also relatively quiet –
maybe too quiet as I would prefer a little more of that familiar clattery diesel sound.
The Ford F-Series Super Duty has always been known for its amazing towing
capabilities, including being able to tow up to 37,000 pounds using a gooseneck trailer.
By combining the Tremor package with the King Ranch, you have one of the most
capable off-road vehicles that can handle any work task you throw at it – and do it all in
luxury. That must make it a super Super Duty.
— Christopher A. Randazzo
By The Numbers:
2021 Ford Super Duty F-350 SuperCrew King Ranch Tremor
Base Price: $62,810.00
Price as Tested: $82,685.00
Layout: front-engine / four-wheel drive
Engine: 6.7 liter PowerStroke V8 Diesel
Transmission: 10 – speed automatic
Horsepower: 475 hp
Torque: 1050 lb-ft
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