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The winterized T-51b armor is a unique set of power armor in the Fallout 3 add-on Operation: Anchorage.


A pre-War product of West Tek in conjunction with the United States government.[1] The armor was developed at Fort Strong, utilized in both China and at the Battle of Anchorage.[2][3][4][5] The suits in Anchorage had to be adapted for the cold and have a US Army logo and flag decal on the back.[6] It also has two stars on the front of the shoulder plates and has the serial code DiV:5128417 USA Army on the left front.


Unlike the regular T-51b power armor found in Fort Constantine, the winterized version lacks rust, features a snow-camouflaged paint job with US livery, and has 45 damage resistance as opposed to the regular version's 50.


  • Can be seen on armored infantry in the Anchorage Reclamation simulation.
  • Can be found in the VSS vault after completion of the simulation.


  • The winterized T-51b is not available to the Lone Wanderer during the simulation. They get it after finishing the add-on.
  • There is no need to receive the Power Armor Training perk before obtaining the suit as once the quest is finished by opening the VSS armory, the perk is automatically granted.
  • The armor outside the simulation has a slightly darker color and has black gloves instead of yellow.
  • The picture of the helmet when in the inventory is just the picture used for the armor instead of one of the actual helmets.
  • Even though the new U.S. flag is already seen on the flagpoles in the army camps, the backs of the racked T-51b suits still show the old U.S. flag.
  • Power armor can only be worn if the player character has gained the Power Armor Training perk, either by talking to Paladin Gunny in the Citadel, by starting the Take it Back! quest, or by completing the Anchorage Reclamation simulation.

Behind the scenes

The winterized T-51b power armor was created by character artist Jonah Lobe.[Non-canon 1]


  • PCPC Playstation 3Playstation 3 Xbox 360Xbox 360 The version given after completing the Anchorage Reclamation simulation is the "sim" version, rather than the intended "wasteland" version. Among other issues, the "sim" version has abnormally high health—close to 10 million hit points—and as a result, will likely never become noticeably damaged. The armor can only be repaired by merchants. [verified]
  • PCPC Playstation 3Playstation 3 Xbox 360Xbox 360 Taking this armor while doing the quest You Gotta Shoot 'Em in the Head (helmet excluded) will confuse the game into thinking you picked up the T-51b power armor from Fort Constantine and will complete the mission. This also rewards with the achievement or trophy respectively. Mr. Crowley will no longer speak to you after getting the armor, other than the remark about stealing what was rightfully his. One way to avoid this is to keep the winterized version in storage (e.g. in the locker in the Megaton house or Tenpenny Tower suite) while completing the quest, or hand over the keys and beat Crowley to the armor. [verified]
  • PCPC Playstation 3Playstation 3 Xbox 360Xbox 360 The power helmet can be worn with multiple head items at once, like hats or bandanas. [verified]
  • Xbox 360Xbox 360 Sometimes, when equipping the power armor (the helmet has not been confirmed) the power armor will appear invisible, leaving only the arms visible, but it will still have the 45 DR of the suit. Un-equipping and then re-equipping the power armor can fix this. [verified]
  • PCPC Playstation 3Playstation 3 When the power helmet is equipped and Chinese stealth armor is worn, your body may become entirely invisible and your helmet will look like it is floating yet you can still move and fight. To fix this take off the helmet and your character will be fixed. [verified]



  1. ZAX 1.2: "In 2069, West Tech was the single largest contractor for the United States government; its largest contract being Powered Infantry Armor Model T-51b."
    (ZAX 1.2's dialogue)
  2. Fort Strong terminal entries; General Brock's terminal, General Brock's Report - June 2076
  3. Fallout 4 loading screens: "The T-51 series of Power Armor was the pinnacle of mechanized protection before the Great War. First introduced in the Battle of Anchorage, it is highly valued today for its increased protective capabilities."
  4. Capitol Post terminal entries; Capital Post Top Stories -- January 11, 2077
  5. Constantine Chase: "How's our boys in the suits doing?"
    Thomas Morgan: "The T-51b units are at 95 percent readiness level. We've had a bit of trouble adapting them to the cold."
    Constantine Chase: "What are we looking at for losses if we pull this off?"
    Thomas Morgan: "I'd say about 20 percent, sir. But that number significantly decreases if we can get the tin cans in there."
    Constantine Chase: "Any word from Washington on my latest request?"
    Thomas Morgan: "Sorry sir, they said the technicians are still dragging their heels a bit on the fusion power plant issues."
    Constantine Chase: "Well you tell them that if they want their viable liberation contingency ready in case Operation: Anchorage fails, they need to get off their asses!"
    (Constantine Chase and Thomas Morgan's dialogue)
  6. Constantine Chase: "How's our boys in the suits doing?"
    Thomas Morgan: "The T-51b units are at 95 percent readiness level. We've had a bit of trouble adapting them to the cold."
    Constantine Chase: "Well, tell those men they need to be ready. As soon as the Pulse Field is down, we need them cocked, locked and ready to rock."
    (Constantine Chase and Thomas Morgan's dialogue)


  1. JonahLobe on Reddit: "Not sure, but I made the winterized T-51b for F3!"