XL Specialized RGN

Quick Facts

  • Manufacturer: XL Specialized Trailers
  • Trailer Type: Hydraulic Removable Gooseneck / Detachable Gooseneck Lowboy
  • Common Model Family: XL Low-Profile Hydraulic Detachable Gooseneck
  • Common Capacity Range: 60,000 to 130,000 lbs for Low-Profile HDG models
  • Available Main Deck Lengths: Approximately 22 ft 9 in to 28 ft, depending on model
  • Common Loaded Deck Heights: 12 to 24 inches
  • Common Ground Clearance: Approximately 4 to 6 inches
  • Common Axle Configurations: Tandem Axle, Tri-Axle, Flip Axle, Booster, and Multi-Axle Configurations
  • Primary Applications: Construction Equipment, Excavators, Pavers, Agricultural Machinery, Industrial Equipment, and Oversized Loads
  • Loading Method: Front Loading Through a Hydraulically Detachable Gooseneck
  • Production Status: Active Production

Overview

The XL Specialized RGN is a hydraulic detachable gooseneck lowboy designed for transporting construction machinery, agricultural equipment, industrial components, and oversized loads. The removable front gooseneck allows the main deck to be lowered toward the ground so tracked or wheeled machinery can be driven directly onto the trailer.

XL Specialized offers several detachable-gooseneck configurations, including low-profile construction models, standard hydraulic detachable trailers, mini-deck trailers, extendable lowboys, and high-capacity multi-axle designs.

The Low-Profile Hydraulic Detachable Gooseneck family is particularly well suited for construction equipment. Available configurations provide loaded deck heights ranging from approximately 12 to 24 inches, allowing operators to select a trailer based on cargo height, ground clearance, capacity, and route requirements.

The combination of front-loading capability, low deck height, adjustable ride height, and multiple capacity options makes the XL Specialized RGN an important model within the lowboy and RGN trailer category.

Key Characteristics

The XL Specialized RGN uses a hydraulic gooseneck that detaches from the main deck. Once separated, the front of the trailer lowers to create a loading path for excavators, bulldozers, pavers, loaders, agricultural machinery, and other equipment.

XL’s low-profile gooseneck includes a relief cutout underneath the neck. This provides additional clearance around the tractor’s frame, fenders, and rear components.

The Low-Profile HDG design provides five variable ride-height positions at the front of the main deck. Manual rear ride-height adjustment allows the operator to level the deck or change ground clearance for different routes and loads.

Available models range from lightweight tandem-axle mini-deck trailers to higher-capacity tri-axle configurations that can accept flip axles, boosters, and other load-distribution equipment.

Construction-style models commonly include an open boom trough and bucket well for carrying excavators. Other versions use a wood-covered rear deck for machinery or commercial hauling applications.

Common Specifications

Capacity Range

Low-Profile HDG models are available with overall capacities ranging from approximately 60,000 to 130,000 lbs.

Individual models include capacities of approximately:

  • 60,000 lbs
  • 70,000 lbs
  • 80,000 lbs
  • 90,000 lbs
  • 102,000 lbs
  • 110,000 lbs
  • 120,000 lbs
  • 130,000 lbs

Higher-capacity standard hydraulic and specialized XL configurations may be available for operations exceeding this range.

Concentrated-Load Capacity

Concentrated-load ratings vary by model and deck construction.

Depending on the model, ratings may range from approximately 70,000 lbs over 16 ft to 130,000 lbs over 10 ft.

The concentrated-load rating is separate from overall trailer capacity and must be considered when positioning heavy machinery.

Gooseneck

Low-profile models commonly use an 11- or 13-foot hydraulic detachable gooseneck.

The underside relief cutout provides clearance around the tractor and can allow certain equipment, including scrapers, to be positioned over the gooseneck.

The neck commonly provides five adjustable ride-height positions.

Main Deck Length

Standard main deck lengths generally range from approximately 22 ft 9 in to 28 ft.

Common deck lengths include:

  • 22 ft 9 in
  • 26 ft
  • 28 ft

Deck length depends on the trailer’s capacity, axle configuration, neck design, and intended application.

Loaded Deck Height

Available loaded deck heights include approximately:

  • 12 inches
  • 15 inches
  • 18 inches
  • 20 inches
  • 22 inches
  • 24 inches

Mini-deck models provide the lowest deck height, while higher-capacity models may use taller main beams and greater deck height.

Ground Clearance

Ground clearance generally ranges from approximately 4 to 6 inches.

The lowest mini-deck and 15-inch deck configurations require additional care around railroad crossings, steep entrances, road crowns, and uneven jobsites.

Overall Length

Common overall trailer lengths range from approximately 46 ft 6 in to 53 ft.

Several mini-deck models use an approximately 48-foot overall length, while many tri-axle configurations measure approximately 53 ft.

Axles

Models with capacities between approximately 60,000 and 90,000 lbs commonly use two axles.

Models rated around 102,000 to 130,000 lbs commonly use three axles.

Selected rear frames can accept a flip axle, single-axle booster, power booster, or hydraulic flip axle.

Decking

Apitong hardwood decking is commonly installed. Apitong provides a durable surface for tracked and wheeled equipment while offering traction during loading.

Outriggers

Available outrigger arrangements include swing-out outriggers, heavy-duty swing-out outriggers, front pullout outriggers, and aluminum pullout outriggers.

Outriggers expand the usable support width for oversized equipment when properly deployed.

Boom Trough and Bucket Well

Construction-style models commonly include an open boom trough and bucket well. These areas allow an excavator’s boom and bucket to sit lower, helping reduce the overall loaded height.

Wheel Area

Available wheel-area configurations include wood-covered rear decks and bolster-style designs with an open boom trough.

Removable wheel covers may be available for carrying equipment over the rear tire area.

Cargo-Securement Equipment

Common equipment includes bent D-rings, flat D-rings, chain drops, chain slots, outriggers, flag holders, and additional securement points.

Final dimensions and capacities vary significantly between models. Buyers should confirm specifications using XL Specialized’s current Low-Profile Hydraulic Detachable Gooseneck information.

Common Applications

Advantages

  • Hydraulically detachable gooseneck provides front-loading access
  • Low deck height provides increased vertical cargo clearance
  • Multiple deck-height configurations are available
  • Five-position front ride-height adjustment
  • Rear deck height can be adjusted manually
  • Low-profile neck provides tractor and fender clearance
  • Suitable for tracked and wheeled machinery
  • Mini-deck models provide deck heights as low as approximately 12 inches
  • Available concentrated-load ratings support heavy machinery
  • Open boom trough helps lower an excavator boom
  • Bucket well helps reduce loaded excavator height
  • Available flip axles and boosters improve load distribution
  • Outriggers provide additional support width for oversized equipment
  • Numerous cargo-securement points are available
  • Wide selection of capacity and axle configurations

Limitations or Considerations

  • Low ground clearance requires careful route planning
  • The detachable gooseneck requires operator training
  • Hydraulic systems require additional maintenance
  • Some models require a tractor wet kit or separate hydraulic power unit
  • The trailer is heavier and more specialized than a flatbed or step deck
  • Long tri-axle and booster configurations require additional turning space
  • Heavy loads may require permits and escort vehicles
  • The lowest-deck models may have reduced clearance over railroad crossings
  • Actual legal payload may be lower than structural capacity
  • Wheel covers and outriggers must be used within their ratings
  • Machinery position can significantly affect axle and kingpin weights
  • Specialized configurations can have higher purchase and repair costs

Driver and Operator Considerations

Operators must be trained to detach, lower, reconnect, and secure the hydraulic gooseneck. The trailer and tractor should be aligned on stable ground before the loading process begins.

The loading area should be inspected for soft soil, holes, overhead obstructions, slopes, and insufficient maneuvering space. The tractor and trailer brakes must remain properly applied during connection and disconnection.

Equipment should approach the deck slowly and remain centered over the trailer’s structural beams. A spotter may be needed when loading wide machinery or equipment with limited operator visibility.

Cargo placement must account for kingpin weight, trailer axle weight, tractor drive-axle weight, and any flip axle or booster. Moving a machine a short distance can significantly change axle loading.

Drivers should verify the height, width, length, and weight of the loaded combination before departure.

Maintenance and Ownership Notes

The hydraulic gooseneck should be inspected for leaks, damaged hoses, worn pins, loose fittings, cylinder damage, and proper locking operation.

The neck connection, locking mechanisms, alignment components, and support system should be cleaned and inspected regularly.

Main beams, crossmembers, front ramps, bucket wells, boom troughs, rear bolsters, axle mounts, and outriggers should be examined for cracks, distortion, impact damage, and evidence of overloading.

Apitong decking should be checked for loose fasteners, splitting, rot, oil contamination, and damage from tracked equipment.

Air suspension, brakes, ABS components, tires, wheels, wheel ends, lighting, and the trailer’s electrical system require routine inspection.

Flip axles, boosters, removable wheel covers, and pullout outriggers create additional inspection and maintenance requirements.

Structural repairs should be completed by a qualified heavy-haul trailer facility using approved procedures.

Buying Considerations

  • Identify the exact XL model number
  • Confirm the overall capacity
  • Verify the concentrated-load rating
  • Measure the usable main deck length
  • Confirm the loaded deck height
  • Check the available ground clearance
  • Determine whether the deck is suitable for the intended machinery
  • Inspect the hydraulic detachable gooseneck
  • Operate the gooseneck through its full range
  • Check hydraulic cylinders, hoses, fittings, and controls
  • Confirm whether a tractor wet kit is required
  • Inspect the main beams and crossmembers
  • Examine the bucket well and boom trough
  • Inspect the Apitong decking
  • Verify the axle count and axle ratings
  • Determine whether a flip axle or booster can be installed
  • Inspect the air suspension, brakes, ABS, wheel ends, and tires
  • Check outriggers, D-rings, and chain drops
  • Confirm whether wheel covers are included
  • Review the trailer’s maintenance and repair history
  • Verify the VIN plate and manufacturer specifications
  • Confirm that the configuration can be permitted in the intended jurisdictions

Common Brands or Manufacturers

  • XL Specialized Trailers
  • Rogers Brothers
  • Trail King
  • Talbert Manufacturing
  • Fontaine Specialized
  • Landoll
  • Load King
  • Etnyre
  • Faymonville
  • Kalyn Siebert

Variants and Related Configurations

  • XL 60 HDGSM Mini-Deck
  • XL 70 HDGSM Mini-Deck
  • XL 80 HDGSM Mini-Deck
  • XL 80 HDGS
  • XL 90 HDGS
  • XL 102 HDGS
  • XL 110 HDGS
  • XL 110 HDGS Guardian
  • XL 120 HDGS
  • XL 130 HDGS
  • 15-inch deck configuration
  • 18-inch deck configuration
  • 22-inch deck configuration
  • Paver-style configuration
  • Agricultural Special configuration
  • Extendable RGN
  • Tandem-axle RGN
  • Tri-axle RGN
  • RGN with flip axle
  • RGN with rear booster

Comparison to Similar Trailers

Compared with a step deck trailer, the XL Specialized RGN provides a lower main deck and front-loading access. A step deck is generally lighter and better suited for mixed open-deck freight that does not require drive-on loading.

Compared with a conventional flatbed trailer, the XL RGN provides considerably more vertical clearance and better access for heavy machinery. The RGN is more complex, heavier, and more expensive to operate.

Compared with a fixed-neck lowboy, the detachable XL gooseneck allows equipment to be driven onto the front of the main deck. Fixed-neck trailers generally require rear ramps or lifting equipment.

Compared with the Rogers Brothers Detachable Lowboy, the XL lineup provides numerous standardized deck heights, including mini-deck models with approximately 12-inch loaded deck heights. Both manufacturers offer multiple capacity and axle configurations for construction and heavy-haul work.

Comparable models include the Trail King Hydraulic RGN, Talbert RGN Series, and Fontaine Magnitude RGN.

Best Fit For

  • Construction contractors
  • Heavy-equipment transporters
  • Heavy-haul carriers
  • Equipment-rental companies
  • Agricultural machinery transporters
  • Paving contractors
  • Excavation companies
  • Mining operations
  • Forestry contractors
  • Demolition companies
  • Industrial machinery movers
  • Operators transporting tall equipment
  • Carriers requiring front-loading capability
  • Fleets needing several capacity and deck-height options

Related Equipment

Related Freight Types

Related Trailer Types

Related Trailer Models

Related Guides

Regulatory and Compliance Notes

The XL Specialized RGN must comply with federal, state, provincial, and local requirements governing trailer dimensions, axle weights, brakes, ABS equipment, lighting, tires, cargo securement, and commercial vehicle inspections.

Many machines transported on an RGN exceed standard legal dimensions or weight limits. These movements may require oversize or overweight permits, route surveys, escort vehicles, warning signs, flags, additional lighting, and restricted operating times.

Structural trailer capacity does not determine legal highway capacity. Legal weight depends on the tractor configuration, axle spacing, number of axles, tire ratings, bridge laws, and individual permit conditions.

Flip axles and boosters must be installed and positioned correctly. Adding another axle does not automatically create legal carrying capacity unless the load is properly distributed.

Buckets, booms, blades, attachments, and articulated components must be secured separately when required by cargo-securement regulations.

Real World Operating Notes

In real-world use, the XL Specialized RGN provides considerable flexibility because operators can choose among multiple deck heights, capacities, and axle configurations.

The lowest mini-deck models are useful for exceptionally tall machinery but provide only about four inches of ground clearance. Route selection becomes especially important with these trailers.

The adjustable ride-height system can help operators clear certain obstacles and level the loaded deck. It does not eliminate the need to evaluate railroad crossings, steep driveways, road crowns, and jobsites.

Bucket wells and boom troughs are particularly useful when hauling excavators. Correctly positioning the boom and bucket can reduce overall height and eliminate the need to remove certain components..

Frequently Asked Questions

What does RGN mean?

RGN stands for removable gooseneck. The front gooseneck detaches so the main trailer deck can be lowered for drive-on loading.

What is the capacity of an XL Specialized RGN?

Low-Profile HDG models offer overall capacities ranging from approximately 60,000 to 130,000 lbs. Other XL detachable and specialized configurations may provide additional capacity.

How low is the main deck?

Available deck heights range from approximately 12 inches on mini-deck models to approximately 24 inches on selected heavy-capacity configurations.

How is the gooseneck operated?

The gooseneck is operated hydraulically. Depending on the configuration, hydraulic power may come from the tractor’s wet kit or an onboard power unit.

Can an XL RGN carry an excavator?

Yes. Construction-style models can include an open boom trough and bucket well designed to position an excavator’s boom and bucket lower.

Can additional axles be added?

Selected rear frames can accept flip axles, boosters, or other load-distribution components. Compatibility depends on the model and original trailer configuration.

What is the advantage of the adjustable ride height?

Adjustable ride height allows operators to change the front deck height for load clearance, trailer leveling, and certain route conditions.

Is an RGN better than a step deck?

An RGN is generally better for heavy tracked or wheeled machinery that must be driven onto the trailer. A step deck is usually lighter and more efficient for general open-deck freight.

What should buyers inspect on a used XL RGN?

Buyers should inspect the gooseneck, hydraulic system, locking components, main beams, decking, bucket well, boom trough, outriggers, suspension, axles, brakes, tires, and securement points.

Availability and Where to Find

New XL Specialized RGN trailers are available through XL Specialized Trailers and authorized dealers. Availability depends on the required capacity, deck height, main deck length, axle arrangement, and selected options.

Buyers can order configurations for construction, agriculture, commercial hauling, oversized equipment, and other specialized applications.

Used XL Specialized trailers are available through heavy-equipment dealers, trailer dealerships, fleet sales, commercial auctions, and online truck-and-trailer marketplaces.

Before purchasing, buyers should verify the model number, VIN, overall and concentrated-load ratings, deck dimensions, hydraulic requirements, axle configuration, empty weight, maintenance history, and included load-distribution equipment.

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