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2023 Fontaine Infinity Drop Deck 53′ Rear Axle Slide CA Legal – IN STOCK


  • 513-217-7001 – Sales Office

  • 410-917-1143 – Ron | Sales President





Steel main-beams and crossmembers, and high strength aluminum for the ultimate combination of strength and weight savings in the industry.

The Infinity Steel/Aluminum Combo With The Patented RASR Siderail
Gives You Everything You Want In A Flatbed … And More!


Sliding Winch Track

Includes a sliding winch track on both sides of the trailer for driver convenience and quicker, easier load securement.

Sliding Rope Hooks

“Driver-friendly” sliding rope hooks also serve as strap retainer clips that eliminate hassle and reduce securement time. The rope hooks can also be positioned to hold the winch pawl upright so that the winch can “free spool”. This makes it easier to pull more strap from the opposite side of the trailer.

RASR Siderail

The Fontaine RASR routed aluminum siderail is 12x stronger than the competition with more load securement options. Plus, it’s DOT rated the full length making load securement much easier. The recessed siderail face protects conspicuity tape for better visibility, longer life, reduced maintenance cost and keeps you DOT compliant.


Solid Foundation

Built tough, the Infinity features 4″ I-beams on 12″ centers, one piece welded knee braces and mainbeams. Constructed with continuous welds on both sides of the upper and lower flange using Grade 130K load bearing material.

Paint Process

The Fontaine 4 step paint process ensures that each trailer we build receives consistent, high quality and effective paint coverage on all exposed steel parts. Before the floor is installed, we sand blast the entire trailer to achieve optimal paint adhesion. We then use a 2-part PPG wet on wet primer and paint process. Any and all data on paint and coverage thickness is recorded to maintain consistency. The entire trailer then enters a curing oven so that the paint can completely dry and harden before any further work is done to the trailer.


Length / Width: 53 feet x 102 inches
Suspension Type: Rear Axle Slide
Deck Lengths: 11 feet front and 42 feet rear
Frame Rating: 80,000 lbs distributed – 55,000 lbs concentrated in 4 feet- GAWR and tire ratings determine legal payloads
Rear Deck Height: 40 inches – loaded
Flooring: 1 1/8 inch aluminum with 4 Apitong wood nailer strips
Crossmembers: 18 inch centers front deck / 12 inch centers rear deck – 4 inch jr. I-steel
Single Coil Hauling Package: Included – STANDARD
Side Rails: Exclusive Revolutionary RASR Rail Technology — one piece routed aluminum designed for strength and impact
Chain Cargo Tie Downs 17 pair recessed in siderails
Stake Pockets: Routed aluminum on 24 inch centers (2 load securement openings between stake pockets)
Rubrail: Integrated with siderail
Main Beams: 130K load bearing flanges
Kingpin: 30 inches
Loaded Fifth Wheel Height: 49 inches
Landing Gear: OEM Standard
Knee Braces: Fabricated on approx. 60 inch C/C
Bulkhead Pockets: 4 DOT type bulkhead pockets only – welded to front
Bulkheads: None – STANDARD
Number of Axles: 2
Axle Spindle: Tapered
Brakes: Spring brakes, auto slacks
Air Line Filters: (2) Meritor In-line type installed
ABS: 4S/2M – no cable or tool
Axle Spread: 122 inches open – 61 inches closed: Meets California, Canadian RTAC and BC dimensional specifications in closed position
Hub and Drums: 10-hole hub-piloted with outboard cast drums
Wheel Ends: Grease in hubs – *** 5-year wheel end warranty ***
Wheels: 22.5 x 8.25 (4) steel disc inside wheels – (4) Alcoa aluminum LvL One buffed outside
Tires: 255/70R 22.5 16PR OEM standard
Tire Inflation System: Hendrickson TIREMAAX PRO inflation system
Suspension Detail: Hendrickson AANT23K Intraax air ride
Air Assist Slide Box Pins: Standard mount of controls on slider frame
Auto Glad Hand Dump: Installed
Electric Dump Valve: Wired to 7-way auxiliary socket to dump rear axle
Load Scale: Air-Weight Digital Scale *For trailer only – does not communicate with truck*
Front Corners: Tapered
Electrical System: LED: 3 lights/side, 2 lights/side on rear – STANDARD
Paint: Black urethane on steel parts with Infinity decals – STANDARD
Conspicuity Tape: Per NHTSA specs – installed in recess on rubrails
Bumper: Weld-on type – meets underride requirements – painted steel
Mudflaps: 2 sets OEM standard; Spring loaded brackets behind front axle
Winch Track: Full length integrated double L type aluminum on both sides where possible — STANDARD
Sliding Winches: 12 total, 2 front deck and 10 rear deck: 6 each side; sliding Rope Hook/ Winch Strap Hook Retainers
Dock Bumpers: 1 pair rubber on rear
Hubodometer: None – STANDARD
Spare Tire Carrier: 1 standard – mounted between lower gooseneck beams at drop
Registration Holder: Install registration holder – OEM standard
Tool Box: None – STANDARD
Estimated Weight 11,373lbs +/- 3%

STOCK # 61842, 61843, 61844, 61845, 61846, 61847

Armstrong Trailer Sales is a family-owned and operated full-service semi-trailer dealership serving Ohio and the surrounding areas. We are your one stop shop for all your flatbed and step deck needs. As a full-service dealership we offer parts, accessories, rentals, repairs and reconditioning. We stock and install-on-demand the following: Tool boxes, HD Ramp Kits, chains, binders, straps, bungees, bulkheads, Sturdy-Lite headache racks, tarps, side kits, sliding tarp systems, Alcoa & Accuride aluminum wheels, new and used tires plus everything you would need for your flatbed, drop deck or lowboy.

Our mission is to create customers for life by delivering a superior sales and service experience on a consistent basis. Our goal is to be the leader in sales and service for all the brands we represent and customers we serve in the trucking industry. Our focus is good customer service as well as service after the sale. We want to get you on the road and making money as soon as possible. Therefore, we offer a large selection of premium products along with a desire to make the purchasing process easy and timely for you. If we say something will be done, then it will be done, no matter the circumstances.

Disclaimer: We try to be as accurate as possible with the photos on the listings we post. However, as we order many trailers at a time and many trailers look alike, the photos may not always be an accurate depiction of the product you are buying. Please go by the specifications on the listing and not the photos to avoid any misunderstandings. Thank you!


Additional information

Weight 11373 oz
Dimensions 53 × 102 × 49 in


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