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Kalyn Siebert

HRGNEX-3-55T

Arriving Soon · Oct 2026Upgrades
Capacity
55 ton
Deck height
20"
Overall length
56'
Width
102"
Type
Hydraulic Removable Gooseneck
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Build sheet

Profile

  • 55 ton
  • 102" wide
  1. 20" deck height
  2. 56' OAL
Drawing shows the trailer type, not to scale.

As-built upgrades on this unit

  • Axle Spread: 60 in. axle spacing (changes OAL)
  • Outer Aluminum Wheels: Aluminum outside wheels, all axles
  • Tire Inflation System: Installed
  • Battery Backup for Strobe Lights: Installed
  • Extendable Trailer: Extendable trailer, 3 axle, 55 ton
  • Flip Neck: 36 in. flip neck
  • Single Axle Flip
  • Power Pack: 13 HP power pack (plus diverter to PTO) in lieu of chain hangers
  • Air Scales: Quick Weigh air scales

Overview

Description55-ton 3-axle HRG (60" spread on some units)
ModelKSHRG-3-55T Extendable 34'-60' Modular
Capacity55 tons on 2 point load
Nominal DimensionsOAL 51 ft. closed, 72 ft. open; width 8 ft. 6 in.
Axle ConfigurationCapable of 4th axle inline and 3+1 set up
Estimated Weight35,778 lb. +/- 3%

Gooseneck

Gooseneck DesignHydraulic detachable 5-position adjustable neck, narrow neck
Fifth Wheel Height49 in. loaded, 15 in. setting, 2 in. king pin
King Pin SettingSingle position king pin at 96 in. swing, front lugs for 36 in. flip
Gooseneck HydraulicsPTO powered: two 9 in. x 16 in. main and one 4 in. x 10 in. lift arm cylinders
Gooseneck LockAir activated self-locking pin on gooseneck (positive lock)

Deck

Deck Length34 ft. deck closed, 60 ft. open length
Deck Width8 ft. 6 in.
Loaded Deck Height20 in. with 6 in. loaded ground clearance
Deck BeamsFull depth cambered deck beams
FrameworkBox beam design, 100,000 psi yield flanges and 80,000 psi web minimum
CrossmembersI-beam crossmembers on approx. 24 in. centers
Flooring2 in. nominal apitong decking with open center, bolt and clips on every other crossmember
D-Rings6 pair on outer deck and 2 pair on inner main deck
Outriggers13 pair swing out plus 1 pair heavy duty hook-on at front
Front RampsFront flip ramps for loading
Tool TrayExpanded tool tray 4 ft. long

Rear Bridge / Bogie

Wheel WellsOpen wheel wells
Boom TroughV style boom trough crossmembers
Connections for Future Axle AttachmentRear lugs, air and electrical connections for spreader bar and flip axle

Axles

Number3
Number of AxlesTwo (modular rear section)
Axle Type5 in. round, 5/8 in. wall, 25,000 lb. nominal capacity
Rear Axle LiftRear axle equipped with air lift, auto slack adjusters
UpgradeAxle Spread60 in. axle spacing (changes OAL)

Suspension

SuspensionRidewell or equivalent air ride with oil seals

Brakes

Brakes16-1/2 in. x 7 in. air brakes, parking brakes on center axle
Ride Height ControlAutomatic / manual ride height control with dump valve and air gauge

Tires & Wheels

Hubs10 stud, hub piloted, long studs, cast drums
Tires275/70R 22.5 (16-PR low profile)
UpgradeOuter Aluminum WheelsAluminum outside wheels, all axles
UpgradeTire Inflation SystemInstalled

Lighting & Electrical

Electrical12 volt system with 7-way sealed harness
LightsLED sealed beam lights with modular harness
Strobe LightsStrobe light package with toggle switch on rear
Marker LightsMid-turn signal / clearance light
UpgradeBattery Backup for Strobe LightsInstalled

Paint & Finish

PaintEpoxy primer and black polyurethane paint

Options

UpgradeExtendable TrailerExtendable trailer, 3 axle, 55 ton
UpgradeFlip Neck36 in. flip neck
UpgradeSingle Axle FlipIncluded
UpgradePower Pack13 HP power pack (plus diverter to PTO) in lieu of chain hangers
UpgradeAir ScalesQuick Weigh air scales

Standard Equipment

FlagsFlag and flag holders, 2 pairs, front deck and rear of trailer
Mud FlapsKS mud flaps
Oversize Load SignsOversize load sign brackets
Conspicuity TapeRed and white conspicuity tape

Included add-ons

  • 12TSAF
  • 36" FLIP NECK
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