DETACHABLE GOOSENECK LOWBOY TRAILERS

Jet's Lowboy trailers are manufactured in standard capacities of 35 Ton, 45 Ton, 51 Ton, and 55 Ton. All models are available in various lengths and axle configurations to accommodate your hauling needs. Furthermore, Jet offers popular RGN Trailer options that include easy to use aluminum slideouts, outriggers, full width aluminum top deck, lift axles, & flip axles to accommodate your large and oversized equipment.

Jet Trailer's high quality craftsmanship and attention to detail puts our Hydraulic Detachable Gooseneck lowboy trailers in a class of their own. In addition to using high strength steel, our RGN trailers are comprised of four engineered beams that are automatically welded on both sides. As a result, our detach trailers have a high safety rating.

Be sure to view the videos below to see how easy it is to operate a Jet lowboy trailer.

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    Features Options Specifications Line Drawings
    Product Videos Image Gallery

    Construction - Frame & Crossmembers

    Front Loading & Hook-up

    Hydraulic System

    Suspension, Axles, & Wheels

    Parking Brake

    Liquid-filled Air Gauge

    Manual Raise & Lower Valve

    LED Lights & Wire Harness

    Bucket Well

    D-Rings & Chain Slots

    Flag Holders

    Decking

    Tool Box

    Mud Flaps

    Corrosion Resistant Paint System

    Four engineered and fabricated High Strength Steel I-Beams, Automatically Welded, top, bottom, and on both sides.
    Crossmembers are Structural, High Strength Steel, 4” I-Beam cross members welded to all four beams.

    Front nose is tapered with ramps & traction bars.
    Hook-up is a self guided V-style approach with auto lock safety pin.

    Hydraulic Detach Trailers operate on a PTO powered hydraulic system. Two main cylinders with one lift arm cylinder. This is not a ground bearing trailer.

    Air Ride Suspension Standard, Rated @ 25,000#, 9” ride height.
    Hub Pilot, Axle Beam Rated @ 25,000# with ABS, Oil bath hubs.
    Steel Wheels, White powder coat, 10 Holes, nut 33mm

    Type 30/30 mechanical spring brake for the trailer when unhooked from the tractor's air supply.

    Installed in a weather resistant enclosure in the middle of the trailer by the front suspension. Reads pressure from the airbags. Filled with shock absorbing liquid to protect the gauge from vibration.

    Allows to lower the main deck when needing to detach the neck from the trailer, and raise the main deck after hookup

    Bullet style clearance and marker, Side turn signal, 4” round tail light, license plate light. Long lasting, Reduced maintenance, very bright.
    Factory sealed with internal ground to reduce corrosion and maintenance.

    Standard on 51 Ton: approx. 6' long, 7 1/2" deep (optional on 35 Ton: approx. 6' long, 5" deep)

    D-Rings are approximately 6' centers on lower deck on web of outer rail.
    Chain slots are approximately 3' centers on outer rail on lower deck.

    2 flag holders on front of the lower deck by the front nose & 2 on the very rear of trailer

    1 7/8" Apitong in the outer track area. (Center decking and wood types are optional.)

    Tool Box located in front of lower deck between main beams (lid optional) - approximately 30"W x 41"L x 11"D

    Anti-sail with Jet Trailers logo, 2 located on the neck and 2 located rear at the rear of trailer.

    Trailer is shot blasted, cleaned and coated with a corrosion resistant coating and Slate Gray top coat

    Features

    Construction - Frame & Crossmembers

    Four engineered and fabricated High Strength Steel I-Beams, Automatically Welded, top, bottom, and on both sides.
    Crossmembers are Structural, High Strength Steel, 4” I-Beam cross members welded to all four beams.

    Front Loading & Hook-up

    Front nose is tapered with ramps & traction bars.
    Hook-up is a self guided V-style approach with auto lock safety pin.

    Hydraulic System

    Hydraulic Detach Trailers operate on a PTO powered hydraulic system. Two main cylinders with one lift arm cylinder. This is not a ground bearing trailer.

    Suspension, Axles, & Wheels

    Air Ride Suspension Standard, Rated @ 25,000#, 9” ride height.
    Hub Pilot, Axle Beam Rated @ 25,000# with ABS, Oil bath hubs.
    Steel Wheels, White powder coat, 10 Holes, nut 33mm

    Parking Brake

    Type 30/30 mechanical spring brake for the trailer when unhooked from the tractor's air supply.

    Liquid-filled Air Gauge

    Installed in a weather resistant enclosure in the middle of the trailer by the front suspension. Reads pressure from the airbags. Filled with shock absorbing liquid to protect the gauge from vibration.

    Manual Raise & Lower Valve

    Allows to lower the main deck when needing to detach the neck from the trailer, and raise the main deck after hookup

    LED Lights & Wire Harness

    Bullet style clearance and marker, Side turn signal, 4” round tail light, license plate light. Long lasting, Reduced maintenance, very bright.
    Factory sealed with internal ground to reduce corrosion and maintenance.

    Bucket Well

    Standard on 51 Ton: approx. 6' long, 7 1/2" deep (optional on 35 Ton: approx. 6' long, 5" deep)

    D-Rings & Chain Slots

    D-Rings are approximately 6' centers on lower deck on web of outer rail.
    Chain slots are approximately 3' centers on outer rail on lower deck.

    Flag Holders

    2 flag holders on front of the lower deck by the front nose & 2 on the very rear of trailer

    Decking

    1 7/8" Apitong in the outer track area. (Center decking and wood types are optional.)

    Tool Box

    Tool Box located in front of lower deck between main beams (lid optional) - approximately 30"W x 41"L x 11"D

    Mud Flaps

    Anti-sail with Jet Trailers logo, 2 located on the neck and 2 located rear at the rear of trailer.

    Corrosion Resistant Paint System

    Trailer is shot blasted, cleaned and coated with a corrosion resistant coating and Slate Gray top coat

    Aluminum Slideouts -- POPULAR

    Axles - Configuration & Lift Kit -- POPULAR

    Flip Axle & Flip-up Rear Hinges -- POPULAR

    King Pin

    Trailer Width

    Aluminum Wheels

    Tire Inflation Equalization System

    34' Lower Deck

    Wheel Wells

    Suspension area & Boom Trough

    Outriggers

    Front Deck – Alumninum or Steel

    Wood, additional

    Front Gooseneck Fenders

    Power Unit

    Hydraulic Winch

    D-Rings

    Rear Beavertail

    Tool Box Lid

    Chain Rack

    Tail & Marker Lights

    Strobe Lights

    Paint Color

    Aluminum beam and bolted construction, (*not available on 51 or 55 Ton models*)

    49” centers on 35 Ton, 54.5” centers on the 45, 51 & 55 Ton are the most common, other configurations available.
    Lift axles are either non regulated or regulated with control box. Can be installed for any axle in several combinations (Front, Middle(s) and/or Rear)

    Lowboy trailer can be ordered with or prepared for a future flip up axle. The flip axle is pinned and removable. This adds another axle for additional capacity. As a result, it can make the trailer over length.

    Different king pin location options are available. Changing the location could affect the swing clearance of the trailer.

    Standard lowboy trailer width is 102”. 96” width is optional.

    Light weight. Available in Standard or Extra Polish finish.

    Regulates correct and equal tire pressure across all tires. Controls two axles. Triple axles will require and second system.

    34' of lower deck before the axles. (*available on 35 Ton series only*)

    Wheel wells & rear slant covered with tread plate, cleats on slant.

    Options for the center of the suspension area between the axles in include a level aluminum deck, tread plate or a boom trough. The boom trough is the area between the wheels and leaves the space open for an excavator boom or similar long item.

    Located on 2” centers, Fold in when not in use

    Designed to sit level to the ground when trailer is attached to the tractor, Flooring is aluminum extrusions, or apitong wood for a steel deck.

    Available in 2” nominal apitong flooring for inside main beams, or for outriggers

    Rubber Belt with brackets covers a greater area, allows for more protection than mud flaps

    8HP with electric-start.

    Front Mount, 20,000 lbs capacity typical, other options available

    Optional locations and spacing, top of flange on lower deck is common.

    The rear beavertail allows for loading over the axles and wheels from the rear of the trailer.

    Optional lid for tool box on the main deck allows to be padlocked for security.

    Allows for storage of chains and binders in the neck/tower area.

    Three tail lights are standard. Four are optional. Increases the visibility of the trailer from the rear. Multiple configurations to increase the visibility of the trailer in the dark. Please contact us about options.

    Two round amber lights with toggle switch on rear allow for the optional stobe lighting during transport.

    Stocking colors are black and red, or custom matching is possible.

    Options

    Aluminum Slideouts -- POPULAR

    Aluminum beam and bolted construction, (*not available on 51 or 55 Ton models*)

    Axles - Configuration & Lift Kit -- POPULAR

    49” centers on 35 Ton, 54.5” centers on the 45, 51 & 55 Ton are the most common, other configurations available.
    Lift axles are either non regulated or regulated with control box. Can be installed for any axle in several combinations (Front, Middle(s) and/or Rear)

    Flip Axle & Flip-up Rear Hinges -- POPULAR

    Lowboy trailer can be ordered with or prepared for a future flip up axle. The flip axle is pinned and removable. This adds another axle for additional capacity. As a result, it can make the trailer over length.

    King Pin

    Different king pin location options are available. Changing the location could affect the swing clearance of the trailer.

    Trailer Width

    Standard lowboy trailer width is 102”. 96” width is optional.

    Aluminum Wheels

    Light weight. Available in Standard or Extra Polish finish.

    Tire Inflation Equalization System

    Regulates correct and equal tire pressure across all tires. Controls two axles. Triple axles will require and second system.

    34' Lower Deck

    34' of lower deck before the axles. (*available on 35 Ton series only*)

    Wheel Wells

    Wheel wells & rear slant covered with tread plate, cleats on slant.

    Suspension area & Boom Trough

    Options for the center of the suspension area between the axles in include a level aluminum deck, tread plate or a boom trough. The boom trough is the area between the wheels and leaves the space open for an excavator boom or similar long item.

    Outriggers

    Located on 2” centers, Fold in when not in use

    Front Deck – Alumninum or Steel

    Designed to sit level to the ground when trailer is attached to the tractor, Flooring is aluminum extrusions, or apitong wood for a steel deck.

    Wood, additional

    Available in 2” nominal apitong flooring for inside main beams, or for outriggers

    Front Gooseneck Fenders

    Rubber Belt with brackets covers a greater area, allows for more protection than mud flaps

    Power Unit

    8HP with electric-start.

    Hydraulic Winch

    Front Mount, 20,000 lbs capacity typical, other options available

    D-Rings

    Optional locations and spacing, top of flange on lower deck is common.

    Rear Beavertail

    The rear beavertail allows for loading over the axles and wheels from the rear of the trailer.

    Tool Box Lid

    Optional lid for tool box on the main deck allows to be padlocked for security.

    Chain Rack

    Allows for storage of chains and binders in the neck/tower area.

    Tail & Marker Lights

    Three tail lights are standard. Four are optional. Increases the visibility of the trailer from the rear. Multiple configurations to increase the visibility of the trailer in the dark. Please contact us about options.

    Strobe Lights

    Two round amber lights with toggle switch on rear allow for the optional stobe lighting during transport.

    Paint Color

    Stocking colors are black and red, or custom matching is possible.

    Specifications
    • Model
    • 35T49-2
    • 35T53-2
    • 35T53-3
    • 51T48-3
    • 51T53-3
    • 51T53-4
    • Capacity – 15' Maximum load
    • 70,000 lbs
    • 70,000 lbs
    • 70,000 lbs
    • 102,000 lbs
    • 102,000 lbs
    • 102,000 lbs
    • Trailer Length
    • 49'
    • 53'
    • 53'
    • 48'
    • 53'
    • 53'
    • Trailer Width
    • 102”
    • 102”
    • 102”
    • 102”
    • 102”
    • 102”
    • Trailer Main Deck Length
    • 30'
    • 34'
    • 30'
    • 21'
    • 26'
    • 21'
    • Trailer Main Beam Height (typical)
    • 12”
    • 13.5”
    • 12”
    • 16”
    • 16”
    • 16”
    • King Pin Height
    • 48”
    • 48”
    • 48”
    • 50”
    • 50”
    • 50”
    • Swing Clearence
    • 85.5”
    • 85.5”
    • 85.5”
    • 108”
    • 108”
    • 108”
    • Ground Clearance
    • 8”
    • 8”
    • 8”
    • 8”
    • 8”
    • 8”
    • Suspension
    • Tandem Axle Air Ride
    • Tandem Axle Air Ride
    • Triple Axle Air Ride
    • Triple Axle Air Ride
    • Triple Axle Air Ride
    • Quadruple Axle Air Ride
    • Axle Configuration
    • 49” Center Spacing
    • 49” Center Spacing
    • 49” - 49” Center Spacing
    • 54.5” - 54.5” Center Spacing
    • 54.5” - 54.5” Center Spacing
    • 54.5” - 54.5” - 54.5” Center Spacing
    • Wheels
    • (8) 22.5” x 8.25” Steel
    • (8) 22.5” x 8.25” Steel
    • (12) 22.5” x 8.25” Steel
    • (12) 22.5” x 8.25” Steel
    • (12) 22.5” x 8.25” Steel
    • (16) 22.5” x 8.25” Steel
    • Tires
    • (8) 255/70R 22.5 radials
    • (8) 255/70R 22.5 radials
    • (12) 255/70R 22.5 radials
    • (12) 255/70R 22.5 radials
    • (12) 255/70R 22.5 radials
    • (16) 255/70R 22.5 radials
    • Brakes
    • 16 1/2" x 7", 2S1M ABS
    • 16 1/2" x 7", 2S1M ABS
    • 16 1/2" x 7", 2S1M ABS
    • 16 1/2" x 7", 2S1M ABS
    • 16 1/2" x 7", 2S1M ABS
    • 16 1/2" x 7", 2S1M ABS
    • Weight (lbs, typical)

    typical or approximate specification, may vary with specific options

    Line Drawings
    Video
    Gallery
    Trailer Products