As the one military truck to rule them all, the Derry Longhorn 4520 is a heavy truck with a twist - literally. Unlike most regular transports, this model uses an extra rear steerable axle to increase its mobility. Add this feature to an excessively powerful engine and military-grade durability and you've got a terrifyingly capable, high performance transport vehicle, as long as you can afford to keep filling its fuel tanks!
A very sturdy gearbox optimized for harsh off-road conditions, sacrificing fuel efficiency, top speed and gear count in exchange for three Low Gear stages.
A more powerful alternative to regular stock power systems, this engine offers increased power, durability and acceleration at the cost of fuel consumption.
A fine-tuned version of a popular engine sporting excellent reliability and power at the cost of even lower fuel efficiency.
A high-range gearbox variant with increased gear count and top speed, and an additional High Gear at the cost of lower durability.
A specialized gearbox allowing free Low Gear / R Gear transfer ratio tuning. Notoriously fragile and not very fuel-efficient in AWD mode owing to its mechanical complexity.
A thorough rework of a popular truck engine variant offering a noticeable bump in performance at the cost of decreased fuel efficiency.