Side view of Wilco Bulk Storage Trailer

Bulk Storage Trailer

Our WST-1600 trailer-mounted stationary bulk storage bins allow you to have readily available and accessible blended cement onsite.

  • Description Description
  • Ruler Specifications
  • Resources Resources

Four ASME-code pneumatic storage silos are mounted on an open-frame trailer that can store up to 1,660 ft3 of bulk materials. The trailer is deployed empty to well locations and is easily setup onsite; the hydraulic landing legs are retracted, resting the trailer’s under-frame on the ground and allowing the trailer to support the weight of the stored bulk cement. Bulk cement is conveniently and quickly unloaded using a trailer-mounted air compressor, powered by an on-board diesel engine. 

When space utilization is a concern, we also offer the market’s largest vertical storage solution with our 1,610-ft3 vertical deployment system.


  • Built to ASME code
  • Hydraulic landing leg jacks
  • Manual manifold valves standard with optional remote-control air-actuated valves
  • Optional dust collectors

Bulk Storage Trailer Specifications

Note: Trailer should only be transported empty.


47.0 ft 5.5 in. (14.47 m)


8 ft 6 in. (2.59 m)


13 ft 4 in. (4.06 m)

Total weight (empty)

37,100 lb (16 800 kg)

Weight at rear axles (empty*)

19,600 lb (8890 kg)

Unloaded kingpin weight

17,500 lb (7940 kg)

Bulk Storage Trailer Power Unit Specifications

Power unit

Tier III export or Tier IV final diesel engine

Fuel tank

30 gallons (114 L)


30-gallon (114-L) ASME air receiver with 3 in. (76.2 mm)


30-hp (22.4-kW) compressor producing approximately 200 ft3/min (5.66 m3/min) at 30 psi (207 kPa) at 2,000 RPM engine speed


Bulk Storage Trailer Frame Specifications



Steel I-beam frame mounted with a single axle and air ride suspension


25,000-lb (11 340-kg) axles with 71.5-in. (1.812-m) track


25,000-lb (11 340-kg) Neway air ride suspension

Steel wheel

22.5 × 8.25, 10-hole


11R22.5, 14-ply

Kingpin coupler

Heavy-duty 2-in. (50.8-mm) SAE Holland Hitch (other sizes also available)

Under-frame support structure

The special under-frame support structure is designed to maintain structural integrity of the trailer in a variety of conditions. This frame is employed after the trailer is deployed to a field location and the landing legs are contracted. The air suspension air pressure is released, and the total weight of the trailer and its contents are supported by the under-frame structure. The design is such that if the trailer were deployed on uneven ground that the structure retains structural integrity.

Bulk Storage Trailer Storage Vessel Specifications*

*Note: The tanks are designed per the ASME pressure vessel code for temperatures above -20 °F (-29 °C). Special low-temperature (-50 °F [-45.6 °C]) pressures can be optionally supplied.

Bulk storage tanks

Four 422-ft3 (12.0-m3) bulk storage tanks

Useable volume transport tanks

415 ft3 (11.8 m3)

Maximum allowable working pressure

40 psi at 250 °F (276 kPa at 121 °C)

Minimum design metal temperature

-20 °F at 40 psi (-29 °C at 276 kPa)


  • Bulk Storage Trailer Data Sheet
  • Wilco Capabilities and Services Brochure
  • Pressure Pumping and Cementing 24-hour Support Contacts

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