Folding Gooseneck Drop Deck

The Kalyn-Siebert folding gooseneck allows the front-loading of wheeled or tracked equipment without a winch. These trailers are designed with the construction and oilfield markets in mind - and built for years of performance.

Folding Gooseneck 3 Axle 35T

Image of Folding Gooseneck 3 Axle 35T.
Image of Folding Gooseneck 3 Axle 35T.
Image of Folding Gooseneck 3 Axle 35T.
Image of Folding Gooseneck 3 Axle 35T.
Image of Folding Gooseneck 3 Axle 35T.
Image of Folding Gooseneck 3 Axle 35T.
Image of Folding Gooseneck 3 Axle 35T.
Image of Folding Gooseneck 3 Axle 35T.

SpecificationsSchematicReference MaterialFeatures

Folding Gooseneck 3 Axle 35T

KS AbbreviationFGD
Legacy NameFGD-3-35T
Capacity70,000 lbs. in 12’ GAWR & tire rating determine legal loads
Overall nominal dimensions8’ 6” wide X 48’-8” length. Gooseneck 11’-5” , main deck 24’, and rear deck 13’ 3”.
Additional options available, please contact Kalyn Siebert sales for more information.
Gooseneck/NeckMechanical - raised and lowered using truck winch, air lock latch pins. Full width with pick up lugs for winch cable.
Swing Clearance84"
King Pin2"
5th Wheel Height50"
Main Deck24'
Rear Deck13' 3"
Main Deck Height, loaded24"
Ground Clearance6"
BeamsFour beam design, 130,000-psi yield flanges and 80,000 psi yield web. All 4 beams are the same height.
Crossmembers8” I –Beam 24” centers. On main deck
Floor1 ¾” Apitong with bridge clips and carriage bolts on every other crossmember. Center floored. No floor on rear deck.
OutriggersClips only.13 Pair. Front heavy duty
D-rings4 pair (bent) on siderail. Double key hole slots - one on each bolster and rear of deck.
Tool TrayExpanded metal tool tray at front of lower deck, approximately 6’ long.
Boom TroughFirst two crossmembers at rear lowered. No metal rear boom trough tray.
SuspensionRidewell Air Ride, 50” spread, none of the axles are built as lift axles.
Air ControlsAutomatic/Manual ride height control system. Manual regulator can be set based on load and locked to a specific pressure. Manual dump valve standard.
AxlesThree axles, OEM, 5” round with 5/8” wall, tapered spindles, 25,000 lb nominal capacity.
Hubs10 stud, hub piloted, long studs, steel hub.
DrumsCast Drum
Brakes16½” X 7” Air. No parking brakes as standard.
Slack AdjustersAutomatic
WheelsSteel disc wheels, 8 1/4 X 22 1/2
TiresOEM, 255/70R22.5, 16PR (Low Profile) radial tires.
Mud FlapsBlack anti-spray with Kalyn Siebert logo.
Under RideProtection Included
Finishing (Paint & trim)Shot blasted prior to paint. Epoxy primer and Black (standard) polyurethane paint. Air, electrical and hydraulic lines installed after painting is completed.
Lights & ElectricalLED-sealed beam, 12 volt. 7-way plug.
Conspicuity TapeDiscontinuous on sides.
ManualOne operator manual per order will be provided. Parts manual available as option.
Warranty5 year prorated frame warranty. 3 year prorated paint warranty. 1 year warranty on remainder of trailer.
Weight19,000 lbs + 3% tolerance. For trailers other than standard specification, weight and dimensional drawing will be provided by plant after order is received and accepted.
CommentsImages may include non-standard options

Click to view Schematic PDF.