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25 and 30 Ton ProSeries Dual Tri-Axle

Bigger Tagalong Trailers to Make Every Heavy-Duty Job A Breeze

“Big Daddy” 25 and 30 Ton Dual Tri-Axle Trailers

Better Hauling with Trailers Designed for the Heaviest Jobs

Our Big Daddy 25 and 30 Ton Dual Tri-Axle trailers are built to make most lowboys jealous. These are the largest tagalong trailers available, and we have plenty of experience building them. We recommend our heavy-duty, 3 x 7.5′ hidden hydraulic ramps to move large equipment with ease. Large main frames and 4 I-Beam construction with dual 2-speed bolt-on jacks make this a monster of a tag trailer.

Winston Dual Tri-axle Equipment Trailers are available in 25 and 30 Ton Models. These Heavy Duty Low-Profile Tagalong Trailers are designed to haul all types of construction equipment. Low-profile design with high-quality components and many features.

  • Construction: These Heavy Duty Trailers are “Built to Make Most Lowboys Jealous”. Winston Trailers uses 4 I-beam construction (2 main frame I-beams, plus 2 side rail I-beams joined together with upper and lower cross members and bracing).
  • CNC Pierced Main Frame: One piece 14′ Hi-Tensile I-Beams are CNC Plasma pierced for precise clean cuts with extreme consistency.
  • Siderails: Winston uses Hi-Tensile I Beam Siderails with CNC Plasma Diamond Cutouts for extra tie-downs in conjunction with I D-Rings providing securement of equipment.
  • Reinforcement: Cross members are inserted through the pierced frames, with belly braces and side bracing providing the unitized frame. Add suspension manufactures recommended hanger bracing produces a frame with ridged stability.
  • Diamond Cut Outs: Positive Cargo Securement against movement of an article in any direction. *49 CFR 393.102
  • 1′ Bent D-Rings: 55B angle relieves some stress load from the clip and ring. Ultimate Breaking Strength 46,760 lbs. Safe Working Load: 15,586 lbs.
  • Full 102 ‘Wide: Wide track equipment can cover stake-pockets making them difficult to tie to.
  • Diamonds & D-Rings: On a standard 20 Ton, 6 D-rings + 26 Diamond Cut Outs = 32 total tie-down points.
  • 5 position Adjustable Pintle Hitch
  • Dual 2 Speed Bolt on Jacks at 50,000 Lb Rating
  • 4 I-Beam Construction
  • Lockable Tool Box in Tongue
  • Step On Driver Side
  • Oak Floor Staggered Where Joined
  • H9700 Adjustable Suspension
  • 22,500 Lb Axles Oil Bath Axles
  • Premium Stemco Oil Seals
  • Outboard Drums for Easy Brake Inspection
  • 8 Lug Hub Piloted Bud Type Wheels
  • Wabco 2S/1M ABS Air Brakes
  • Emergency/Parking Brakes on Both Axles
  • Double Hinged HD Ramps with Large Sand Pads
  • Bi-Directional Spring Assist Ramps
  • Diamond and D-Ring Tie-downs
  • Sealed Modular Wiring Harness
  • Lifetime LED Lighting
  • Epoxy Primer
  • Acrylic Urethane Enamel Paint
25 Ton – AP22025AL 30 Ton – AP32225AL
GVWR 61,360 72,040
Trailer Weight 11,360 12,040
Deck Length 30′ (25′ Flat + 5′ Dovetail) 30′ (25′ Flat + 5′ Dovetail)
Deck Width 102″ 102″
Deck Height Empty 35″ 35″
Main Beam 14″ at 30# I Beam G50+ 14″ at 38# I Beam G50+
Tires 215/75R17.5 H 235/75R17.5 H
Suspension Springs 3 Leaf 22,400 Lb Per Axle 3 Leaf 25,000 Lb Per Axle
Ramps HD 20.5 x 60″ Ladder Style HD 20.5 x 60″ Ladder Style

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*Maximum GVWR with Weight Distributed Evenly, Not to Exceed Ratings of Components or Tow Vehicle. Never Exceed Tow Vehicle’s Towing or Load Specifications. Federal, State, and Local Restrictions may apply to Dimensions and Capacities. In accordance with our established policy of constant improvement, WTM. Inc. reserves the right to amend these specifications without notice.

  • Deck Length
  • Colors
  • Tool Box on Side
  • Spare Tire Carrier
  • Spare Tire and Wheel Combo
  • Self Cleaning Dovetail
  • Steel Dovetail with Traction Cleats
  • Air Ride/ Air Lift Front Axle
  • 4S/2m ABS 2 Axles Sensored
  • Extra Step
  • Flat Deck (No Dovetail or Ramps)
  • Mud Flaps
  • D-Ring Stiffeners
  • 3′ x 7′ HD Angle Hyd. Ramps
  • 3’x 7 ½’ Wood Filled Hyd. Ramps
  • Paver Knife Edge Approach
  • Aluminum Wheels
  • King Pin Low Boy Neck
  • Other upon Request

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