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Freightliner Custom S2G Chassis

The S2G commercial truck pairs FCCC’s popular S2 chassis with the only factory-installed propane autogas engine available to the medium-duty truck market. With a GVWR of 33,000 lbs., it offers delivery fleet owners lower operational costs and reduced emissions, without sacrificing payload capacity or performance.

Each chassis we build is customized to the manufacturer and model specifications so they can deliver the features and styling they envision – that’s why we call ourselves Freightliner Custom Chassis. Your vehicle may come equipped with any combination of the options below, but no matter which FCCC chassis you buy, you can rest assured that our dedication to superior craftsmanship, the finest components and outstanding owner care will keep you on the road for years to come.

Download the S2G Chassis Brochure
Download the S2G Chassis Spec Sheet
Learn More about the S2G Walk-in Van Chassis

Custom S2G Chassis Engine

Powertrain Integration LPI Engine

The FCCC S2G’s 8-liter, 339 hp at 4100 rpm engine is supplied by Powertrain Integration, with a proven long block as its core. The engine can provide 495 lb/ft of torque at 3100 rpm, and its factory-installed liquid propane system is not a ship-through or aftermarket installation, which ensures seamless integration and consistent quality.

  • POWERTRAIN INTEGRATION 8L / 339HP / 495 LB.-FT. TORQUE

Custom S2G Chassis Transmission

Allison Transmission

The FCCC S2G comes equipped with an Allison 2300 automatic transmission with PTO provision. Allison absolutely dominates the automotive-based automatic in terms of reliability, durability and downtime.

  • 2300 RDS
  • 2350 HS
  • 2350 RDS WITH PTO PROVISION

Custom S2G Chassis Front Suspension

Detroit Front Axle
Leaf Springs

The S2G’s 55-degree wheel cut offers industry-leading maneuverability compared to traditional automotive-style pick-up truck cab configuration. Combined with Detroit front axles and taper-leaf spring suspension, it provides a smooth ride.

  • DETROIT FRONT AXLES / 8,000 – 12,000 LBS.
  • HENDRICKSON TAPER-LEAF SPRING FRONT SUSPENSION / 9,000 – 12,000 LBS.

Custom S2G Chassis Rear Suspension

Detroit Rear Axle
Multileaf Suspension

Detroit rear axles equipped with multi-leaf spring or the Airliner Air Ride suspension provide an overall smooth ride.

Rear suspension not only defines ride and handling – it determines how much weight your vehicle can carry.

  • DETROIT REAR AXLES / 21,000 – 23,000 LBS.
  • MULTI-LEAF SPRING SUSPENSION / 52″ VARIABLE RATE / 16,000 – 23,000 LBS.
  • AIRLINER AIR RIDE

Custom S2G Chassis Media