Palletized stack of used military surplus portable duct type heaters in camouflage finish, Model H140, available at Boyer Equipment in Houston, TX.
Identification nameplate for military surplus portable duct type heater showing NSN 4520-01-477-0568, Model H140, 140,000 BTU/HR rating, and Choctaw Manufacturing credentials.

Portable Duct Type Heater

  • $2,000.00

Identification nameplate for military surplus portable duct type heater showing NSN 4520-01-477-0568, Model H140, 140,000 BTU/HR rating, and Choctaw Manufacturing credentials.

Condition: Used, Operational | Heat Output: 140,000 BTU/hr | Design: Portable Duct-Type | NSN: 4520-01-477-0568

The NSN 4520-01-477-0568 Portable Duct Heater is a heavy-duty, military-grade climate control solution engineered to provide reliable, high-volume heated airflow in the most demanding field conditions. Delivering an impressive 140,000 BTU/hr, this self-contained unit features an integrated blower system designed for precision heat routing via duct connections. It is the definitive choice for emergency response operations, industrial warehouse environmental control, and heavy equipment vehicle preheating in Houston, TX.

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NSN 4520-01-477-0568 — 140,000 BTU Military-Grade Duct Heater

This Portable Duct-Type Heater (NSN 4520-01-477-0568) is the industry definitive asset for extreme-weather environmental control and temporary heating. Originally procured for rugged military field service, this unit is built to withstand harsh conditions while delivering a massive 140,000 BTU/hr of directional heat. Its integrated blower and duct-ready design allow operators to push targeted warmth precisely where it is needed—whether isolating specific maintenance bays, heating large rapid-deployment shelters, or preheating heavy construction machinery before cold-starts.

Comprehensive Technical Specifications:

  • NSN: 4520-01-477-0568
  • Model Number: H140
  • Manufacturer: Choctaw Manufacturing and Development Corporation
  • Power/Fuel: Electric Powered, Multifuel
  • Heat Output: 140,000 BTU/HR
  • Weight: 360 LBS
  • Manual Reference: TM 9-4520-271-14
  • Application: Tents, military shelters, vehicle preheating, and industrial workspaces

Core Advantages & Performance:

  • Elite Heating Capacity: With a 140,000 BTU/hr output, this unit provides the definitive thermal solution for large-scale temporary structures and emergency response heating operations.
  • Surgical Heat Placement: The duct-type design allows the main combustion and blower unit to remain safely outside while pushing clean, heated air deep into enclosed workspaces or equipment housing.
  • Military-Grade Durability: Engineered for rugged field service, the heavy-duty structural housing and proven internal components ensure maximum operational uptime in challenging weather.
  • High-Versatility Deployment: Designed to be highly portable at 360 lbs, this system is easily mobilized across industrial sites, commercial construction zones, or disaster relief staging areas.

Sales Status: Used, Operational – $2,000.00 Located in Houston, Texas. Available as a highly sought-after military surplus asset. Contact us at 281-598-0378 to request a formal quote.

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