55 Ton Triaxle Hydraulic Gooseneck MUSTANG

The Aspen 55Ton Tri Axle Hydraulic Gooseneck MUSTANG serves as one of the foundational models of Aspen’s Timber Series, engineered for heavy-duty tasks in both general hauling and construction. It’s tri axle design distributes weight evenly, while the hydraulic gooseneck offers quick attachment and detachment. Robust materials ensure consistent performance even on challenging terrain. A key strength of the MUSTANG is Aspen’s Arched style Signature gooseneck, which has proven to reduce operator effort and enhance safety. Advanced engineering supports durability on off-road sites and smooth highways alike, and its user-focused design helps minimize downtime. Overall, the Mustang is a reliable partner for anyone requiring a versatile, hard-working trailer capable of handling the toughest transport tasks with ease.

Load Specification
55 Tons in 15′-0″ length

Gooseneck
Narrow hydraulically removable, Aspen “Arched” style Signature gooseneck
Two kingpin positions with removable kingpin
Swing stops to adjust upper coupler height
Hydraulic system operates bolt in swing down support arms in middle of gooseneck
Dual source hydraulic power c/w tractor power take-off and 13hp Honda power unit
Hydraulic power pack installed in aluminum enclosure, comes with aluminum door cover
Bolt on Aluminum fenders with powerpack access and Full width heavy duty “bushflap”
Gooseneck extension to suit 168” swing hydraulic flip – suitable for tandem jeep.

Main Frame
Decking: 3” rough fir throughout
Double drop, four beam design
Fully fabricated high yield main beams
Camber in the main deck is set to suit maximum rated load
Low profile front-loading ramps, c/w grouser bars
Drop-in Chain basket installed at the rear of deck
In-deck recessed chain tiedowns (two pair)
Chain pockets opposite each crossmember at 24-inch centers
Inner D-rings above first axle

Rear Frame
Aspen style 18” bolsters mounted on top of bottom flange between each axle, including D-rings on ends
Aspen standard load bearing square tail
10” Depressed style bolster cross members offering deeper boom knuckling trough
One pair of flag holders, c/w Aspen wide load flags
One pair of D-sign holders installed on 29 ½” centers
Single axle tag dolly kit to suit Fish mouth style booster

Running Gear
Suspension: 90,000 lb. air ride,
Axle Spacing: 60”
Axles: (3) 25,000 lb., capacity per axle (Nom)
Tires: (12) 275/70R22.5 premium on/off road radials
Wheels: (12) 8.25 x 22.5 Aluminum
Hubs: 10-stud hub piloted, to suit steel or aluminum wheels
Brakes: 16.5×7 drum
Brake Chambers: spring brakes on each axle
Travel restrictors (Jerk chains) on all axles

Air System & Electrical
Air tanks installed in rear frame, air tank bracket include vibration dampening
Dump valve, manual override, and air scale gauge in control box with magnetic door, control box is mounted in drivers side bolster
Air brake system to meet FMVSS
Air brake valves, remote mounted in protected area
Air beyond for connection to Aspen Single Axle Booster
DOT 12V system, 7-way connector
Rubber grommet LED lighting to meet FMVSS/CMVSS
Oval mid-ship turn signals
One set of 36” swing-out lights installed on gooseneck
One set of 12” swing-out lights installed on the back of deck
Strobe lights with switch at rear of trailer
Electrical beyond for connection to Aspen Single Axle boosters

Paint
Sandblasted, SSPC-SP 6 blast, primed two-part primer and painted single Aspen standard color (two-part plastic paint)
Conspicuity tape to meet FMVSS/CMVSS