$1,959.99
This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available.

Short Description: The SKB 6U 20-Inch Deep 3RR Removable Shock Rack Case is a military-grade waterproof transport case engineered to protect sensitive 19-inch rack-mounted electronics from shock, vibration, dust, water, chemicals, and harsh environments. Featuring a fully removable rack frame and MIL-STD 810H construction, it is ideal for military, industrial, telecommunications, and broadcast applications.


SKB 6U 20-Inch Deep 3RR Removable Shock Rack Case – Heavy-Duty Protection for Rack-Mounted Equipment

Product Summary: The SKB 6U 20-Inch Deep 3RR Removable Shock Rack Case is designed for transporting, protecting, and servicing valuable rack-mounted electronics in demanding environments. Its removable rack frame incorporates SKB's patented Positive Lock® latching system, allowing the rack to slide out like a file drawer for complete equipment access and bench integration.

Available from Atlas Industrial Supply in Houston, Texas, this professional-grade rack case is molded from LMDP Linear Medium Density Polyethylene and meets or exceeds MIL-STD 810H standards. The case features eight elastomeric shock absorbers, gasket-sealed lids, recessed powder-coated stainless steel hardware, automatic pressure relief valve, square-hole rack rails, integrated lid hangers, and coupling straps for secure stacking.

Key Features

  • 6U removable shock rack with 20-inch rail-to-rail rack depth
  • Patented removable rack frame with Positive Lock® latching system
  • Complete rack removal for bench integration and equipment servicing
  • Meets or exceeds MIL-STD 810H military standards
  • Shockproof, waterproof, dustproof, heat-resistant, and chemical-resistant construction
  • LMDP Linear Medium Density Polyethylene roto-molded shell
  • Eight elastomeric shock absorbers reduce vibration and impact
  • Standard payload capacity of 40–150 lbs
  • Optional factory-installed heavy-duty shock system supports 160–300 lbs
  • Standard 19-inch rack width per ANSI/EIA-310-C
  • 20-inch rack depth (rail-to-rail)
  • Square-hole rack rails support #10-32 US and 6 mm international cage nuts
  • 2-inch gasket-sealed front and rear lids
  • Automatic pressure relief valve
  • Four spring-loaded comfort-grip carrying handles
  • Recessed black powder-coated stainless steel hardware
  • Molded stacking ribs compatible with SKB 3RR, 3RS, and many competitive rack systems
  • Integrated lid hangers and coupling straps
  • Available in Black, Desert Tan, and OD Green
  • Compatible with the optional SKB 3RR-RCB Shock Rack Caster Platform

Recommended Applications

  • Military communication systems
  • Industrial automation equipment
  • Oil & Gas control systems
  • Power generation monitoring equipment
  • Broadcast production systems
  • Telecommunications infrastructure
  • Networking equipment and servers
  • Aerospace and defense electronics
  • Government field operations
  • Mission-critical rack-mounted equipment transport

Technical Specifications

  • Rack Capacity: 6U
  • Rack Depth: 20 in rail-to-rail
  • Rack Width: Standard 19 in (ANSI/EIA-310-C)
  • Rack Type: Fully removable shock-mounted rack
  • Construction: LMDP Linear Medium Density Polyethylene
  • Compliance: Meets or exceeds MIL-STD 810H
  • Shock Isolation: Eight elastomeric shock absorbers
  • Payload Capacity: 40–150 lbs standard; 160–300 lbs optional
  • Front Lid Depth: 2 in
  • Rear Lid Depth: 2 in
  • Front Rail to Back Lid: 24.625 in (62.55 cm)
  • Rail to Rail: 19.75 in (50.16 cm)
  • Rear Rail to Front Lid: 24.75 in (62.87 cm)
  • Product Weight: 53.60 lbs (24.31 kg)
  • Exterior Dimensions: 31.5 × 24 × 17 in (80.01 × 60.96 × 43.18 cm)
  • Shipping Weight: 57.42 lbs (26.04 kg)
  • Operating Temperature: -40°F to 180°F (-40°C to 82.22°C)
  • Available Colors: Black, Desert Tan, and OD Green

Note: The 20-inch Deep 3RR Series does not include wheels as standard. Customers requiring easier mobility can add the optional SKB 3RR-RCB Shock Rack Caster Platform. Heavy-duty shock absorbers supporting payloads up to 300 lbs are available as a factory-installed option.

Why Buy from Atlas Industrial Supply?

Atlas Industrial Supply, headquartered in Houston, Texas, supplies premium SKB rack cases and industrial equipment protection solutions throughout Texas and across the United States. We support Oil & Gas, Power Generation, Manufacturing, Telecommunications, Aerospace, Military, Government, and Industrial Maintenance customers with expert technical support, competitive pricing, and fast nationwide shipping.

Frequently Asked Questions

What equipment fits inside the SKB 6U 20-inch Deep 3RR Shock Rack?

This case accommodates standard 19-inch rack-mounted equipment up to 20 inches deep, including communication devices, industrial controllers, networking hardware, servers, broadcast electronics, and military systems.

Can the rack frame be removed from the case?

Yes. The patented Positive Lock® removable rack system slides out like a file drawer and can be completely removed for equipment installation, servicing, and bench integration.

Is this SKB 6U shock rack waterproof?

Yes. The roto-molded shell, gasket-sealed lids, and automatic pressure relief valve provide excellent protection against water, dust, and harsh environmental conditions.

Does this model include wheels?

No. The 20-inch Deep 3RR Series does not include built-in wheels. An optional SKB 3RR-RCB caster platform is available for improved portability.

What payload can this shock rack support?

The standard shock isolation system supports equipment weighing between 40 and 150 pounds. A factory-installed heavy-duty shock system increases capacity up to 300 pounds.

Does the SKB 6U 3RR meet military standards?

Yes. The case is manufactured to meet or exceed MIL-STD 810H requirements, providing dependable protection for mission-critical electronic equipment.

Can multiple SKB shock rack cases be stacked?

Yes. Molded stacking ribs and included coupling straps allow secure stacking with compatible SKB 3RR, 3RS, and many competing rack case systems.

Does Atlas Industrial Supply provide nationwide shipping?

Yes. Atlas Industrial Supply ships SKB rack cases throughout the United States from Houston, Texas, while providing expert technical assistance before and after every purchase.

California Proposition 65

Warning: This product can expose you to chemicals including carbon black, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.

SKU: 3RR-6U20-22B
SKB 6U 20-Inch Deep 3RR Removable Shock Rack Case – Waterproof MIL-STD 810H Rack Transport Case
$1,959.99

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