Technical Manual (TM 5-6115-271-25P) for Military Model DC 3.0 MD/28V Generator Set May 1966 FSN 6115-012-1997
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TM 5-6115-271-25P
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This Technical Manual TM 5-6115-271-25P covers the Military Model DC 3.0 MD/28V Generator Set, identified under FSN 6115-012-1997, and is dated May 1966. This manual also covers the Military Model HF 3.0 MD generator set, identified under FSN 61115-075-1638 and FSN 6115-012-1993, as well as the Military Model SF 3.0 MD generator set, identified under FSN 6115-075-1640 and FSN 6115-913-9290. For collectors of U.S. Army technical manuals, military power-generation equipment references, Cold War support-system literature, and dated government publications, this is a strong period document tied to a specialized family of Army utility and field-support equipment.
Because this is a -25P technical manual, it belongs to the organizational, field, and depot maintenance repair parts and special tools side of Army documentation. Manuals in this category were intended to support the identification of assemblies, components, repair parts, and special tools required to keep equipment serviceable across multiple maintenance levels. That gives this publication strong technical and workshop-oriented value for collectors, researchers, and restorers.
The Military Model DC 3.0 MD/28V Generator Set and Related Variants
The Military Model DC 3.0 MD/28V, HF 3.0 MD, and SF 3.0 MD generator sets belong to the broader family of military power-generation, utility, and field-support equipment. As identified by their nomenclature, these were compact 3.0 kW-class generator sets, placing them squarely in the support side of Army operations rather than in the category of conventional weapons or combat vehicles.
Equipment in this class was associated with supplying dependable electrical power for field sites, maintenance areas, communications equipment, support facilities, and other mission-essential systems where fixed commercial power was unavailable or impractical. In military service, smaller generator sets like these were especially important because they could support dispersed operations, portable equipment, and specialized electrical requirements in the field.
For collectors, that makes this manual especially interesting because it documents the technical side of Cold War military support equipment rather than more commonly seen combat hardware. It also has strong crossover appeal for anyone interested in military generators, utility equipment, and U.S. Army field-support systems. The inclusion of multiple covered models and multiple FSNs adds cataloging value for collectors who prefer manuals tied to specific service-identified equipment rather than only general nomenclature.
What This Manual Covers
As an organizational, field, and depot maintenance repair parts and special tools technical manual, TM 5-6115-271-25P would have been intended to support the maintenance and parts-identification functions for the Military Model DC 3.0 MD/28V, HF 3.0 MD, and SF 3.0 MD generator sets.
In practical terms, a manual like this is especially relevant for:
- nomenclature and identification
- repair-parts identification
- assembly and component breakdowns
- special tools listings
- maintenance-related support information
- archival and restoration research use
That makes it valuable not only as a collectible, but also as a practical reference for anyone studying how the Army supported smaller generator and utility equipment during the Cold War period.
Historical Significance
The date May 1966 places this publication in the Cold War period, when the U.S. military maintained extensive technical literature covering not only weapons and vehicles, but also the utility and support equipment required to sustain field operations. Manuals like this reflect a period when Army documentation extended into every part of the logistical chain, including generator sets, maintenance tools, utility systems, and field-support infrastructure.
For collectors and historians, this manual is especially relevant to subjects such as:
- Cold War U.S. Army technical manuals
- military generator sets and field power systems
- Army utility and support equipment
- repair parts and special tools documentation
- dated military technical publications
Because it covers multiple related generator-set models rather than a more common tactical vehicle or weapon system, it also adds variety to collections that already include standard ordnance or maintenance manuals.
About This Manual
This listing is for Technical Manual TM 5-6115-271-25P for the Military Model DC 3.0 MD/28V Generator Set, identified under FSN 6115-012-1997 and dated May 1966.
This manual also covers:
- Military Model HF 3.0 MD — FSN 61115-075-1638 and FSN 6115-012-1993
- Military Model SF 3.0 MD — FSN 6115-075-1640 and FSN 6115-913-9290
It is especially well suited for:
- U.S. Army technical manual collections
- Cold War utility and support-equipment displays
- generator and military power-equipment collections
- museum exhibits on Army maintenance and field-support systems
- archive and research libraries focused on U.S. military technical publications
Because manuals were working documents, surviving examples are valued not only for their content, but also for their connection to real military maintenance and support practice.
Why This Manual Matters
Many military manuals focus on the primary weapon, vehicle, or combat platform. This one documents the support side of military readiness, specifically a family of compact generator sets used to provide dependable electrical power in military environments. That makes it especially useful for collectors who want to preserve the broader technical and logistical picture of Army operations rather than only front-line hardware.
For collectors, it is a solid stand-alone Cold War technical manual with a specialized subject focus. For researchers, it offers a useful reference point for Army generator documentation, repair-parts support, and field power history. For museums, it helps explain the behind-the-scenes systems that supported communications, maintenance, facilities, and operational readiness.
Ideal For
This manual is a strong fit for:
- U.S. Army technical manual collections
- Cold War utility and support-equipment displays
- generator and military power-equipment collections
- museum and archival reference libraries
- collectors of military paperwork and dated technical publications
Approx length 10", Approx width 8", Approx height .25", Approx weight 1lbs.
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