Freightliner M2 Chassis

Freightliner M2 Chassis

The Freightliner M2 chassis is the powerhouse foundation behind many Super C motorhomes, delivering commercial-grade performance with motorhome comfort. Built for strength and durability, the M2 features a robust steel frame, Cummins diesel engine options, and an Allison automatic transmission, offering exceptional towing capacity and long-haul reliability. Its spacious cab provides improved visibility, ergonomic controls, and rear air-ride suspension for a smooth, confident driving experience—ideal for RVers seeking heavy-duty capability without sacrificing comfort on the road.


Part Recommendations

Motion Control Units (MCU)

SSF-172-40-2 Primary
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SumoSprings

SSF-172-40-2 Primary
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Front Sway Bar

1139-148
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*OE front sway bar must have shackle style end links.

Rear Sway Bar

SS107
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Safe-T-Plus

41-140
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41-180
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*Must measure axle u-bolt diameter and tie rod diameter. This bracket is for 7/8" u-bolt.

41-180
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*Must measure axle u-bolt diameter and tie rod diameter. This bracket is for 3/4" u-bolt.

Front Track Bar

SuperSteer® SS400 Rear Trac Bar
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Koni Shocks

8805-1018a
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*Shocks Sold Individually. Expected mid-late August 2025.

8805-1019a
Sold out

*Shocks Sold Individually. Expected mid-late August 2025.


Freightliner M2 Videos

Installation Videos

Informational Videos

Transform Your Super C Motorhome

Great Upgrade for M2 Super C Motorhomes!

Customer Testimonial Videos

Coming Soon!


Freightliner M2 Articles

A camper parked in a forested area with a campfire setup nearby.

Enhancing the Ride and Handling of Super C Motorhomes

Super C motorhomes, built on the Freightliner S2RV and M2 chassis, offer a robust platform for comfortable long-haul travel. However, many owners experience steering play, handling challenges, and ride discomfort. In this educational blog, we explore the best steering and suspension upgrades to improve safety, stability, and overall driving experience.

 

CLICK HERE TO READ MORE!