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GTC Fortress ALTA Extreme Duty Semi Truck (HGS/SIBTaT)

GTC (General Transportation Company) is renowned for manufacturing top-tier consumer and professional grade vehicles, including trucks, tractor-trailers, locomotives, and marine engines.

The GTC Fortress is an ultra-heavy-duty semi truck built for the toughest jobs. With five powered axles driven by a supercharged 25-cylinder engine, it delivers exceptional power and traction for hauling heavy loads over challenging terrain. Designed for reliability and durability in demanding industries like mining and construction, the Fortress is engineered to handle the most extreme conditions with ease. This specific unit, owned and operated by ALTA Industrial Corp., a leader in mining, oil drilling, and transportation, is primed for the most demanding mine site work.



[linktr.ee]

• Length: 9.0 m
  
• Cost: $24,000
  
• Power: Supercharged 25 cylinder engine
  
• Drivetrain: AWD
  
• Transmission: 5 speed sequential manual + reverse + towing gear
  
• Mass: 3500 kg
  
• Top Speed: 220 km/h
  
• Fuel Capacity: 1600 L diesel
  
• Payload Capacity: 70,000 lbs
  
• Seats: 2

• Semi trailer/gooseneck trailer compatible
  
• 5-working axles
  
• Trailer eBoost system capable
  
• Digital display readouts
  
• Quadsteer (Hexa-steer) mode
  
• GPS navigation
  
• Mood lighting
  
• Backup camera and sensors
  
• Cruise control
  
• Manual gearing for top speed and max torque
  
• Two (2) selectable modes
  
• Performance mode for high revs and top speed
  
• Low-Gear towing mode for towing or heavy loads
  
• Full suspension
  
• Spare battery
  
• Automatic turn radius limiter at high-speed
  
• Equipment for repair and life-saving
  
• Optimized to allow for multi-vehicle spawning
  
• No modded blocks

• If doing a burn-out while driving, change gears or release the gas
  
• Use the gears to achieve top speed/max torque

Turn on the "ignition key" under the steering wheel and release the handbrake in the centre console. Use the arrow keys up/down to change gears, out of neutral.



3D Map
Steering Box (Modified)
NJ Modular ECU V5 (Modified)

Refer to "Change Notes" tab for description of updates

HAVE FUN AND ENJOY! Please feel free to comment any bugs and I will attempt to fix them!

As with all my builds, this one is aimed at being easy to operate, functional, optimised and lag-free.

Please do not re-upload stand-alone craft or share without my permission, including custom versions.

Check out my other Stormworks builds :)