Centerline Step Deck Extendable
The Centerline step deck extendable is the newest trailer to the Centerline trailer product line. We took over a year designing this trailer so that it could enter the market, ready to outperform the competition. Explore this trailer further by clicking the tabs above.
Trailer Features
Extendable Deck
The lower deck extends out to 18 feet with eight increment positions for 58 feet of lower deck length.
Rear Liveroll
A heavy duty 8.75” live roll and two pair of supper rollers are located on the rear of the trailer.
Split Liverolls
One pair of 6.75″ air lift split live rolls are mounted to the rear of the female main deck.
Bulkhead Guards
Vertically mounted channels installed on bulkhead to prevent damage from skids.
Slide Roller
This trailer uses four large heavy duty 8″ x 3″ greasable rollers that allow the slider frame top open easier, as well as extend the lifespan of the roller themselves.
Outriggers
Four sets of sliding outrigger tubes extend the deck width to accommodate extra wide loads.
| Model | FD513EX |
| Step Deck Capacity | 45,000 kg GVWR, 80,000lb in 10’ |
| Width | Outside of Side Rail: 8’6”, Outside of Rub Rail: 9’.6” |
| Length | 51’.6” Closed & 69’.6” Open |
| Top Deck Length | 10'0" |
| Lower Deck Length | 40’.8” Closed & 58’8” Open |
| Lower Deck Height | 36” Laden |
| Upper Coupler | 3/8” @ 54” Height |
| King Pin Setting | 2” King Pin @ 24” Setting |
| Swing Radius | 75.5” |
| Frame | High Tensile Manufactured Single Drop I Beam |
| Side Rail | 7” @ 9.8lb. ft. Structural Channel |
| Crossmembers | S4 Junior Beam @ 12” Spacing |
| Roller System | (4) H/D Grease Type Rollers- (2) on Female & (2) on Male Section |
| Lock System | (2) 2” Shot Pins Operated By Type 30/30 Air Chambers |
| Liverolls | (1) 4” Half Pipe Mounted on Backside of Gooseneck, (1) Pair 6.375” Air Lift Split Liverolls at Rear of Female Main Deck, (1) H/D 8.625” Rear Mounted Liveroll c/w (2) Sets Support Rollers |
| Bumper | 4” x 4” Tube Bumper & Uprights c/w ½” Chain Slots |
| Rub Rail | 3/8” x 3” Flat Bar Full Length of Trailer Mounted Side Rail |
| Stake Pockets | Formed 4” Deep @ 24” O/C on Sides Not Occupied by Pin Pocket |
| Pin Pockets | (3) Pair External Mount Pin Pockets on Top Deck Spaced Evenly, (1) Pair External Mount Pin Pockets @ 45 Degree on G/N Half Pipe, (10) Pair External Mount Pin Pockets on Lower Deck Spaced Evenly, (1) Pair External Mount Pin Pockets @ 45 Degree on Rear Liveroll, (2) Pair of Quads Ahead of Rear Liveroll Inside of Side Rail, (1) Pair Ahead of Rear Liveroll in Center @ 10” Inside Width |
| Outriggers | (4) Sets of Sliding 4’ x 4” Outrigger Tubes c/w 6” x 4” End Plates, 14’.0” Maximum Overall Width When Open |
| Load Securement | (15) 3-Bar Winches Staggered from Roadside to Curbside, (3) on Top Deck & (12) on Lower Deck, (15) J Hooks Opposite Winches Mounted on Side Rail |
| Landing Gear | Two Speed Crank Down with Handle on Street Side |
| Deck Material | 1 5/16” Shiplap Fir Wood Decking, Removable Checker Plate Covers Over Each Axle Between Rails |
| Suspension | (3) 25,000 lb. air ride c/w rebound chains |
| Axles | (3) 25,000lb @ 77” Track (8’.6” wide over tires), 12.5” x 7” Extended Service Brake Lining & Enclosed Cam Tubes, Automatic Slack Adjusters & Dust Shields on All Axles , Stemco Guardian Seals & 80/90w Gear Oil |
| Hubs & Drums | 10 stud 8.25 x 22.5 pilot mount steel disc |
| Tires | 245/70R17.5 Low Profile Radial |
| Wheels | (6) Alcoa LVL110 Stud 6.75 x 17.5 Pilot Mount Aluminum- Clean Buff, (6) 10 Stud 6.75 x 17.5 Pilot Mount Steel Disc- Silver |
| ABS System | Bendix 2S/1M |
| Air System | Supply & Service Gladhands & 12” Rubber Hose in Pickup Throat, Weigh Gauge, Ride Height Manual Dump & Override Valve, Holster Valve & Weigh Gauge, Three Ball Valve to Operate Deck Slide Pin Locks, Three Ball Valve to Operate Air Lift Liverolls, All Control Valves Mounted in Weatherproof Cabinets |
| Lighting | Integrated Wiring Harness, LED rubber Shock Mounted Lighting System, (2) Pair Swingout Wide Load Lights, (2) Rear Mounted Amber Strobes c/w Switch in Air Dump Cabinet, Rear Mounted 4 Pin Female Electrical Receptacle Plug |
| Finish | Sandblasted, Epoxy Primer & PPG Urethane In (1) Colour |
| Safety Tape | Applied as per regulations |
| Warranty | Prorated (5) Year Warranty on All Components Built by Centerline, All Non-Centerline Manufactured Parts Cover Own Warranty |
- Different deck lengths & widths
- Tri-drive compatible neck
- Available in tandem or tridem axle configuration
- 4.5” liveroll mounted on gooseneck c/w (2) sets support rollers
- Tuff-Lift axle lift system (+)
- Onboard scale systems (+)
- Aluminum wheels, lightweight hubs and Centri-Fuse drums
- Aluminum toolbox
There are no videos at this time.
To view our inventory of in stock and on order step decks, click the button below.