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10, 12, and 15 Ton ProSeries Dual Tandem

Low Profile Designs for Easy Loading and Hauling on Every Job

a truck that is driving down the road

10, 12, and 15 Ton ProSeries Dual Tandem Trailers

Simplify Your Jobs with Durable Trailers, Built to Last

The 10 to 15 Ton ProSeries Dual Tandem equipment trailers feature our CNC pierced low profile designs. Easy loading and great load balance provide the best towing trailers available. Braking can be electric or air brakes, with flatbed or dovetail with ramps. HD Gooseneck hitch option is available for today’s super strong diesel pickups. These trailers are great for hauling small dozers, backhoes, and pavers, as well as lumber, pipe, and other construction material.

Winston Dual Tandem Equipment Trailers are available in 10, 12 and 15 Ton Models. These are the Ultimate Deckover Tagalong Trailers designed to haul all types or construction equipment. Low Profile Design with high quality components with many features.

  • Construction: hese Heavy Duty Trailers are built to make most lowboys jealous. Winston Trailers uses Pierced Unitized construction with Cross Frame Reinforcement and Suspension Manufacturers recommended hanger bracing. This design produces a strong platform for transporting you equipment.
  • CNC Pierced Main Frame: One piece 12 Hi-Tensile I-Beams are CNC Plasma pierced for precise clean cuts with extreme consistency.
  • Cross Frame Reinforcement: Cross members are inserted through the pierced frames, with belly braces and side bracing provide the unitized frame. Add suspension manufactures recommended hanger bracing produces a frame with ridged stability.
  • Suspension Difference: Winston Trailers 10 Ton Suspension is different from other manufacturers.
Diagram, Engineering Drawing
diagram, engineering drawing
Full 3' Wide Rubber Bushing Heavy Duty Springs
  • Winston Trailers uses Suspension Upgrades others Don’t.
  • Rubber Bushing Spring Eyes Never Have to be Greased.
  • Spread Axle Equalized Suspension Provides Larger Footprint for Better Load Balance.
  • 1/2′ More Tire Clearance than other Suspensions at Full Load Conditions.
  • Adjustable Suspension Feature for True Tracking and Easy Alignment
In lieu of a 2 1/2″ wide spring, Winston uses a Heavy Duty 3″ wide multi-leaf spring with rubber eye bushings. These springs outperform others by adding more tire clearance when loaded. These springs and equalizers never have to be greased because of the HD rubber eye bushings. Long Equalizers provide a larger footprint for balance and towing. Also added are adjusters for easy adjustability of alignment and tracking.
  • 5 position Adjustable Pintle Hitch
  • Cold Bent Long Radius Tongue
  • Lockable Tool Box in Tongue
  • Step on Driver Side
  • Oak Floor Staggered Where Joined
  • Heavy Duty Adjustable Suspension
  • 48.5″ Spread Axle Equalized Suspension
  • Dexter Axles Oil Bath Axles
  • Forward Self-Adjusting Electric Brakes
  • Breakaway Kit with Charger
  • 8 Lug Hub Piloted Bud Type Wheels
  • Double Hinged HD Ramps with Large Sand Pads
  • Spring Assist Ramps
  • Stake pocket with Rubrail Tie Downs
  • Sealed Modular Wiring Harness
  • Lifetime LED Lighting
  • Epoxy Primer
  • Acrylic Urethane Enamel Paint
Model 10 Ton – AP21025EL 12 Ton – AP21225EL 15 Ton – AP21225EL
GVWR* 25,980 30,400** 37,890**
Trailer Weight 5980 6400 7890
Deck Length 25′ (20′ Flat + 5′ Dovetail) 25′ (20′ Flat + 5′ Dovetail) 25′ (20′ Flat + 5′ Dovetail)
Deck Width 102″ 102″ 102″
Deck Height Approx. 35″/ 33″ Loaded 35″/ 33″ Loaded 35″/ 33″ Loaded
Main Beam 12″ at 16# I Beam G50+ 12″ at 19# I Beam G50+ 12″ at 22# I Beam G50+
Jack 12,000 lb Bolt on Dropleg 12,000 lb Bolt on Dropleg 25,000 Lb 2 Speed Bolt on
Tires ST235/80R16 E ST235/80R16 G 215/75R17.5 H
Suspension Springs HD 3″ W, 5 Leaf, HD 5,000 lb ea. HD 3″ W 6 Leaf, HD 6,000 lb ea. 3″ W 7 Leaf, HD 7,500 lb ea.
Tie-Downs 3″ Stakepockects w Rubrail 3″ Stakepockects w Rubrail 4″ Stakepockects w Rubrail
Spring Assist Ramps 20.5 x 60″ Ladder Style Flat 20.5 x 60″ Ladder Style Flat HD 20.5 x 60″ Ladder Style

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  • Deck Length
  • Colors
  • 12,000 lb 2 Speed Bolt on Jack
  • 25,000 lb 2 Speed Bolt on Jack
  • Dual Bolt on 2 Speed Jacks
  • Tool Box on Side
  • Winch Track or Winches
  • Tire Options Available
  • Spare Tire Carrier
  • Spare Tire and Wheel Combo
  • Gooseneck with 2 5/16″ Adj. Coupler
  • King Pin Insert for Gooseneck
  • Self Cleaning Dovetail
  • Steel Dovetail with Traction Cleats
  • Hutch Suspension
  • Elect/Hydraulic Brakes
  • 2S/1m ABS Air Brakes
  • Parking Brakes
  • Extra Step
  • Flat Deck (No Dovetail or Ramps)
  • Mud Flaps
  • 3’x 7 ½’ Wood Filled Hyd. Ramps
  • Paver Knife Edge Approach
  • Other upon Request

Don’t Wait to Order Your Trailer.
Contact Us Today!

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