The first Mercedes-Benz Unimog U 1200 was built in 1976, and the last U 1600 from the heavy series rolled off the assembly line in 2002. The Unimog U 1200, U 1400 and U 1600 had a 6-cylinder engine.

FS-Unimog has the following characteristics:
- Available in U1200, U1400 and U1600 versions
- Price: from 26,400 to 46,400 USD
- 6 engine versions from 125 to 241 hp
. - Maximum speed: 80 km/h
- 7 platform configurations
- Capacity: 1500 L - 3600 L
- Customizable front and rear hydraulics
- 18 real Unimog colors
- 28 combinations of tires and discs

Additional configuration options:
- Behr air conditioner on the roof
- Forest cage
- Corn grate
- Front protective bar
- Protection with two headlights
- Protection on the roof
- No, one or two beacons.
- With or without Unimog side stickers
- Three exhaust system options
- 4 additional roof lights
- Sun visor
- Beep with sound
- Front headlight safety net
- Horseshoe on the radiator grille
- Color configuration of the lid
- Various colors and materials for the platform floor

Unimog has additional operational warning lights compared to other FS vehicles.:
- Turn signal of the first and second trailers
- The power take-off shaft is turned on
- Tipping over
- All-wheel drive (with VCA or Enhance Vehicle)
- Differential (with VCA or Enhance. Vehicle)
- Handbrake (with VCA or Enh. Vehicle)
- Flashing light (according to the Giants standard)
- Fuel reserve indicator (according to the Giants standard)
- Gearshift indicator (4 indicators in the center of the instrument panel)

A separate concrete cargo for the truck body is available for purchase in the category of the store "Cargo":
- Price: 1000 USD
- Weight: 1400 kg

Envelope in FS25: CodeBarcode

In version 1.1.0.0:
- Various improvements.