Model 305D-B

Model 305D-B2018-04-16T16:29:21+00:00

Bottom Dump

Model 305D-B

With an empty weight of just 12,945 lbs. and a load capacity of up to 24 tons, the 305D Ultralite bottom dumps are a profitable investment. A rounded barrel-shape hopper design providing inherent strength eliminates the need for all but one stiffener making for a lighter weight trailer. The 21 cubic yard hopper capacity can be increased to 24 cubic yards with the additional sideboards and brackets.  The 305D is a triple axle bottom dump.Read More…

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Minimize Weight – Maximize Payload

With an empty weight of just 12,945 lbs. and a load capacity of up to 24 tons, the 305D Ultralite bottom dumps are a profitable investment. A rounded barrel-shape hopper design providing inherent strength eliminates the need for all but one stiffener making for a lighter weight trailer. The 21 cubic yard hopper capacity can be increased to 24 cubic yards with the additional sideboards and brackets.  The 305D is a triple axle bottom dump.  Rocking king pin bolsters that absorb and spread out load torque. Spring suspension is standard but an optional neway air ride suspension is available.

Unique Gates

All 305D trailers are equipped with air-operated double clamshell windrow gates. With high-speed 7″ cylinders these unique gates open faster, easier and with less outward tub-wall pressure than conventional flat-bottom gates.

Standard Equipment

  • *Capacity: 21 Cubic Yards
  • Estimated Base Weight: 12,945 lbs. (39’1″)
  • Main Frame: Tubular Trust Design
  • Pin Setting: 18″
  • Swing Clearance: 102″
  • Hitch: Fifth-Wheel Kingpin with Lateral Rocking Plate
  • Frame Height: 8′ 9″
  • Frame Length: 35′ or 39′ 1″
  • Frame Width: 8′
  • Target Area: 16’L x 88″W
  • Accessories: Weld-on Full Rear Fenders with Mud Flaps, Air Line Lubricator, Hitch Mounting Bracket, Brake Valve Rock Guard
  • Parking Stands: Gate Mounted
  • Gates: Single Air Operated – Windrow Type
  • Air Cylinders: (2) 7″ x 30″
  • Air Cylinder Lubricators: Water Separator
  • Gate Air Tank: 60 Gallon
  • Controls: Manual Valve
  • Openings: 58″ x 117″
  • Suspension: (6) Spring 3 Leaf
  • Axles: (3) 25,000 lb. Axles, Dual Tire, Oil Bath Bearings, Automatic Slack Adjusters
  • Brakes: 7×16.5 Full Air, Brake Priority Valve
  • Tires: 11.00 22.5 LRF Tubeless Bias
  • Wheels: Steel Hub Pilot 10-Hole Disc
  • Hubs: Outboard Brake Drums
  • Oil Seal Hubs: Internal Mated Assembly
  • Hydraulic Hook Up: Quick Couplers 2,500 PSI – 17GPM
  • Cylinders: (2) 9″ x 8″ Vertical Mount
  • Air / Electrical: Glad Hands / 7-Way Receptacle
  • Lights: Grote LED (10-Year Warranty)
  • Wiring Harness: Grote “Xtreme” Wiring Harness (7-Year Warranty)
  • Turn Signal:  Center Mounted Side Turn Signal
  • Finish: Steel Grit Shot Blast to Bright Metal, Epoxy Primer
  • Powder Coat Color: White / Black / Yellow / Blue / Red / Green / Sapphire Blue / Dark Gray
  • Decals: Hi-Visibility Reflective Package

Optional Equipment

  • Neway Air Ride Suspension
  • Air Lift / Retract – per Axle
  • Full Front Fender
  • Push Bar with Under Ride Protection (650 lb.)
  • Hitch Kit (Adds to Overall Length – Hitch Pivot to Rear Axle Measurement Shown on Drawing)
  • Gate Control – Single
  • Gate Control – Double
  • Heavy Duty Windrow Deflector
  • 12″ Side Board Brackets
  • 12″ Side Boards
  • Aluminum Hub Centrifuse Brake Drum (Outboard)
  • Versa Valve Infinite Gate Control
  • 22.5×8.25 Aluminum Wheel (10-Bolt Polished) in Lieu of Standard Each
  • 16.5×7 Brake Dust Cover
  • Pressure Guard Tire Inflation N/A

Spec Tables and Line Drawing

wdt_ID Model Capacity Gates Deck Axles Tires and Ply Rating
1 305D-B-35 21 Cu. Yds. Single Gate 35' 3 (12) 11.00 22.5 LRF Tubeless Bias
3 305D-B-39'1 21 Cu. Yds. Single Gate 39'1 3 (12) 11.00 22.5 LRF Tubeless Bias
4 305D-B-43 21 Cu. Yds. Single Gate 43' 3 (12) 11.00 22.5 LRF Tubeless Bias

*Capacity ratings are frame capacities only. Actual load capacities may be restricted by factors such as gross axle weight ratings (GAWR) or state and federal regulations.

Specifications subject to change without notice.

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