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Duo Lift SW30D Swather Hauler

  • Item #: 91577

Product Description

The SW30D is a DOT-compliant, heavy-duty gooseneck trailer engineered for swather and windrower transport. Built to haul large machines with confidence, it pairs strength and versatility with smart features for safer, easier operation.

Key Features & Specs

  • 30,000 lb GVWR and dual 15,000 lb commercial axles for serious hauling capability
  • Gooseneck hitch with adjustable 2-5/16″ coupler for controlled, reliable towing
  • Folding and slide-out platforms: patent-pending caster wheel platforms (46" × 98") and folding drive-wheel platforms (30" × 88") to fit a wide range of swathers
  • Heavy frame construction with twin 10" × 4" flange beams, torque tubes, and tubular platform supports for long-lasting durability
  • DOT-compliant 12-V LED lighting (stop, turn, tail, marker, license) with sealed wiring harness and 7-way RV plug
  • Capacity to haul swathers up to approximately 22,000 lb (dependent on towing vehicle ratings)
  • Efficient transport dimensions: empty width 102", loaded maximum 159", platform height 21"
  • Slide-out, roller-assisted ramps (24½" × 102") with angle iron grousers and tapered edges for smooth loading

Why Choose the SW30D?
With the SW30D, you get a trailer designed around real field needs — flexible loading, rugged durability, and full highway compliance. Whether you’re hauling large rotary or draper swathers, this model delivers the strength, adaptability, and safety you need to transport with confidence.


Duo Lift provides Duo Lift ag parts such as the 91577 Duo Lift SW30D Swather Hauler.

Product Specs

  • Axles(2) 15000 Lb. 8-Bolt Oil Bath Hubs with M22 Studs and M22 Swiveling Flange Nuts
  • Brakes12-1/4” x 5” Electric Brakes on Both Axles;12-Volt Safety Breakaway System with Battery
  • Capacity30000 Lbs.; Self Propelled Swathers and Windrowers up to 22000 Lbs. (The Towing Vehicle Must be Rated to Tow the Gross Trailer Weight of the Swather Hauler Trailer)
  • ColorGloss Black; Gray Wheels and White Splash Guards 
  • DimensionsEmpty Transport Width 102”   -   Loaded Maximum Transport Width 159”  -  Length 32' Overall  Swather/Windrower Loading Area 18’;  Platform Height: 21”
  • Fenders14 Gauge Steel; Enclosed with White Splash Guards; 80" x 24" - Outside to Outside 82" 
  • Frame(2) 10” x 4” Wide Flange Beams with (3) 4” Heavy Wall Torque Tubes and (4) 4” x 4” HD Tubular Platform Supports
  • GooseneckGooseneck; Tapered Design; 8” x 4” Tubular Frame with 30000 Lb. Adjustable Height 2-5/16” Coupler and  (2) 1/2” Safety Chains
  • HitchGooseneck; Tapered Design; 8” x 4” Tubular Frame with 30000 Lb. Adjustable Height 2-5/16” Coupler and  (2) 1/2” Safety Chains
  • Jack(1) 12000 Lb. Side-Wind; Drop Leg Jack; (2) Adjustable Height Rear Loading Jack Stands
  • Lights12-Volt; D.O.T. Stop; Turn; Tail; Marker; License Lamps; w/ 7-Way RV Trailer Electrical Connector and Wiring Enclosed in Steel Conduit or Sealed Electrical Cord
  • PlatformCaster Wheel Platforms:  Patent Pending Slide Out Type; 46” x 98” Tread Plate Platforms with Bolt-On Multi   Position Caster Wheel Angling Guide/Stops; Locking Pins and Tire Guide Rails.  Accommodates Caster Wheel Track   Width From 108” to 129”.  Allows Caster Wheels to Spin to the Forward Travel Position During Unloading.  Drive Wheel Platforms:  Folding Type; 30” x 88” with Locking Pins; Sprin
  • RampsSlide Out; Roller Assisted; 24 1/2” x 102”; Tubular with Open Angle Iron Grousers and Tapered Ramp Edge
  • Suspension(4) 8-Leaf; 10000 Lb. Slipper Springs with Equalizers
  • Tires(8) 215/75R 17.5 LRH Radials 16-Ply; (4540 Lbs. Cap. Each);  Spare Tire Carrier Included
  • Wheels(8) Hub Piloted; 17.5 x 6.75 - 8 on 275mm Silver Color; Dual Wheels

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