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All-New 2020 F-Series Super Duty Debuts Rock-Crushing Tremor For Most Capable Off-Road Super Duty EVER!

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The 2020 F-Series Super Duty is delivering next-level capability in an all-new way – the Tremor Off-Road Package. Tremor pushes the boundaries of Super Duty off-road capability with new hardware and tech to handle rough terrain, providing greater towing and payload than Ram Power Wagon. This is the most capable off-road Super Duty ever.
Tremor Off-Road Package

“A growing number of Super Duty customers use their trucks for more than work. They’re fishing, camping and towing boats on weekends and they go off-road, so we designed this truck specifically for them – more ground clearance, bigger shocks, bigger tires and more off-road capability,” said Todd Eckert, Ford truck group marketing manager. “Tremor balances what customers demand in terms of work with what they need in the great outdoors.”

Off-road upgrades start with:
  • a set of aggressive 35-inch-diameter Goodyear Wrangler Duratrac maximum-traction tires – the largest diameter tires available on a heavy-duty pickup
  • mounted on a set of unique 18-inch matte-finished black wheels combined with a 2-inch front-end lift and shorter air dam result in:
    • an impressive 10.8 inches of ground clearance,
    • best-in-class water fording of 33 inches, and
    • the best approach and departure angles of any Super Duty ever – 31.65 degrees and 24.51 degrees, respectively.

Additional hardware includes:
  • off-road running boards that tuck up next to the body for damage control
  • extended-axle vent tubes
  • same beefy skid plates as fitted to FX4 models

The 2020 Super Duty Tremor features selectable drive modes. These include:
  • normal for around-town use
  • tow/haul for optimized performance under load
  • eco for enhanced fuel economy
  • slippery for icy conditions
  • deep snow/sand for low-traction conditions

Unique to Tremor is a new rock-crawl mode, which is optimized to operate in 4x4 low and is enabled by the standard TorqShift® 10-speed automatic transmission.

Tremor trucks equipped with the 7.3-liter gas engine have a 53:1 crawl ratio while those equipped with the 6.7-liter diesel engine have a 44:1 crawl ratio.

For the first time ever, Super Duty gets Trail Control, a feature that debuted for F-150 Raptor and Ranger. It functions in any mode like cruise control for off-road driving. Custom 1.7-inch piston twin-tube dampers work to control body motion. These massive shocks feature substantial oil volume that serves to keep internal temperatures low, while the large cross-section works to improve responsiveness.

At very low speeds, they are tuned for soft damping, which is dialed up for control over more severe impacts. Internal hydraulic rebound helps soften the blow of the hardest hits.

Tremor uses a locking rear differential with electronic shift-on-the-fly engagement and a new Dana® limited-slip front differential. In certain modes, the front axle can sense when a tire has lost traction and uses the brakes to send power to the wheel with traction.
Tremor Off-Road Package
The Tremor Off-Road Package will be available when the 2020 Super Duty launches later this year.

- + Disclaimers