Southern States Utility

Specifications

• 2026 Utility Trailer 4000D-X Composite® Series 4000D-X Composite
• Year2026
• ManufacturerUtility Trailer
• Model Name4000D-X Composite® Series
• Trim Name4000D-X Composite
• Generic Type (Primary)Dry Van
• Weights
• GVWR65,000 lb
• Capacities
• Payload Capacity55,000 lb
• Cargo CapacitySupport legs: Jost® model A401 enhanced 50,000 lb capacity
• DimensionsKingpin location: 36" from front | Support leg location: 105" from center line of kingpin to center line of support legs | Support leg shoe type: 10" × 10" ultra low profile cushion foot | Rear treadplate: .219" high × 27" deep high strength steel treadplate integral with rear buckplate | Side wall lining closures: 45° front corner diagonal lining closures
• Interior Height110½" at front and 111" at rear
• Interior Width101" at wearband
• Overall Length53' 0"
• Overall Height13' 6" on 46½" height 5th wheel
• Overall Width102⅜"
• FeaturesDeck type: Straight with ½" wedge | Kingpin plate: 3 ga. high strength steel full width | Kingpin type: AAR hardness cruciform | Support leg bracing: Bolt-on cross-bracing with 7 ga. 3¼" deep high strength steel channels | Support leg crank location: Roadside of support legs || Slider pin release mechanism: Hendrickson® Quik-Draw® air-operated slider repositioning system | Air ride dump valve: Hendrickson® automatic | Hubcaps: Federal-Mogul “non-vented” | Gladhands and receptacle location: Gladhands and receptacle mounted on an aluminum extrusion offset to roadside | Rear door hinges: 4 per door | Holdbacks: Recessed swing door / Chain link and hook type door | Floor type: 1⅜" laminated hardwood floor with 20,000 lb front axle fork truck rating and with 3 screws per board per crossmember | Floor joint sealant: Caulking applied prior to assembly between each joint | Front wall lining: (2) .016" grade 80 galvanized (G40) steel panels pre-painted white with rolled edges | Side wall lining: Snag-Free® pre-painted white galvanized steel “anti-snag” | Conspicuity tape location: On bottom rails and at rear | Front panel finish: Pre-painted white with Ultra Road Shield™ Plus (URS+) | Front corner post finish: Natural aluminum | Front subframe assembly finish: Fully flooded inside with black rust preventative finish, top plate prime painted | Side panel finish: Pre-painted white with Ultra Road Shield™ Plus (URS+) | Rear case finish: Satin finish stainless steel | Rear subframe finish: Rust preventative coating | Vertical & horizontal I.C.C. bumper finish: Utility black enamel on horizontal bumper, black scharpf on vertical bumper | Bottom side rail finish: Natural aluminum | Top front & top side rail finish: Natural aluminum | Roof exterior finish: Natural aluminum | Floor undercoat: Pre-coated with black sealer on bottom of wood floor | Support leg finish: Rust preventative coating | Mudflap type: Black plastic anti-sail with Utility logo, mounted with steel reinforcing straps | Side mounted aerodynamic air deflectors: Advanced aerodynamic side skirt USS-120A-4 | Slack adjusters: Bendix® Versajust® automatic | Hub piloted system with outboard drums: 10 stud hub-piloted system with outboard cast drums with 16½" × 7" brakes included with ConMet Preset Plus®
• Construction MaterialApproach plate: 8 ga. carbon steel full width | Front panels: .040" aluminum, pre-painted white with Ultra Road Shield™ Plus (URS+) | Front wall posts: (4) 2" 14 ga. high strength 50 steel hat-shaped posts | Front corner post: .080" extruded aluminum 4¾" radius | Front top rail: Extruded aluminum wraparound | Roof bows: 11⁄16" anti-snag 18 ga. galvanized steel bows bonded to roof skin | Top rails: 4½" deep heavy-duty extruded aluminum | Rear case corner posts & header: Satin finish stainless steel | Rear door hinge material: Non-polished aluminum | Front wall wearband: 14" high galvanized steel grade 80 | Wearband: 18 ga. 12" high corrugated steel surface mounted | Roof skin: .040" one-piece aluminum coil
• Rear DoorRear door lock rods: 1 per door | panels: ½" composite rear swing doors with pre-painted white galvanized steel panels with polyethylene core | Rear door lining: Pre-painted white galvanized steel door panels with polyethylene core | hinges: 4 per door
• SidewallsSide panels: Composite panel side wall design with injected polyurethane foam core; .040" aluminum exterior side wall panels, pre-painted white with Ultra Road Shield™ Plus (URS+) | Side posts: ⅜" 14 ga. high strength galvanized hat-shaped 24" center line; (front and rear subframe 16" center line) with "A" slots on 8" vertical center line; posts on 12" center line at extreme front panel
• ChassisBottom rails: 10⅝" deep heavy-duty extruded aluminum | Crossmembers front subframe to legs: 23⁄16" steel hat-shaped crossmembers with continuous endplate | Crossmembers legs to rear subframe: 4" steel 80,000 psi I-beam crossmembers with 4 rivet end clips on 12" center line | Crossmembers over rear subframe: 4" steel I-beam crossmembers with 4 rivet end clips on 12" center line | Crossmembers over support legs: (5) 4" steel I-beam crossmembers with 4 rivet end clips on 12" center line over legs | Hendrickson air ride system with integral axles: Hendrickson® ULTRAA-K air ride/slider system with 49" axle spacing | Axle spindle nuts: ConMet® included with Preset Plus® | Vertical and horizontal I.C.C. bumper: D.O.T. high strength steel vertical with non-slip 7" deep horizontal
• MainframeFront subframe: 3½" deep box beam design; raised 1⅜"
• SuspensionSlider suspension location: 70" rear and 166" forward for 96" of slider travel
• Brakes
• Brake System TypeAir brake chambers: Bendix® EnduraSure™ 3030 | Anti-lock brake system (ABS): Bendix® TABS-6 2S/1M | Brake lining style: Hendrickson® HXS brake lining style | Air actuation system: 1 tank with spring brakes
• Wheels & Tires
• WheelsWheel bearings: ConMet® included with Preset Plus® | 22.5" × 8.25" standard width wheels: Factory choice steel 10 hub piloted wheels
• Tires, Rear Specification295/75R 22.5” Michelin X®-Line Energy-T2 14ply Load Range 'G' | Oil seals: ConMet® included with Preset Plus® | Wheel bearing lubrication: Mobilube HD Plus 80W-90 oil
• Electric
• ElectricalElectrical receptacle: 7-way without circuit breakers | Main harness: Utility moisture-resistant 6-wire harness with internal ground and 7-way plug
• Lights and Safety
• LightingClearance lights quantity: 0-1-2-5 D.O.T. minimum clearance light package | Rear header clearance lights: Grote® Micronova® LED grommet-mounted | Upper clearance lights: Factory choice LED with 3" mounting hole at center line | Lower clearance lights: Grote® Micronova® LED PC-rated | Side mounted directional light: Grote® Supernova® LED combo on bracket below bottom rail (each side) | ABS warning light: Grote® Micronova® LED PC-rated | Stop, tail, turn lights: Grote® 4" LED (10-diode) lights, 2 per side with black snap-in flange