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AKA Mule. You can carry an additional 50 lbs. of equipment for each level of this Perk.— in-game description, Fallout

Strong Back is a perk in Fallout, Fallout 2, Fallout 3, Fallout: New Vegas, Fallout 4, Fallout 76 and Fallout Tactics.

Fallout, Fallout 2, Fallout Tactics

With each level of this perk, you can carry an additional 50 lbs. of equipment.

Fallout 3 and Fallout: New Vegas

With this perk, you can carry an additional 50 lbs. of equipment.

Notes

  • This perk also stacks with Burden to Bear.
  • With this perk and 10 Strength, you can carry up to 300 lbs. before becoming overencumbered.
  • In Fallout: New Vegas with the add-on Honest Hearts, this perk allows you to bring 100 lbs. of equipment with you through a dialog check with Jed Masterson.
  • In Fallout: New Vegas with the add-on Lonesome Road, when combined with a Strength of 10, Burden to Bear, the NCR Courier duster and the Hoarder trait, you can achieve a carrying weight of 400 pounds.

Fallout 4

What are you, part pack mule? Though those favoring heavier weapons and armor are likely to take this perk on general principle, it's also hugely beneficial to scavengers; spend more time in the wilderness gathering loot to sell or trade! Carry a greater complement of killing equipment! And at higher levels, have some way of easily maneuvering back to safety without dropping your ill-gotten gains.Fallout 4 Vault Dweller's Survival Guide description

Effects

Rank Requirements Description Form ID
1 STR 6 What are you, part pack mule? Gain +25 to carry weight 0004B24E
2 STR 6, LVL 10 You now have +50 to carry weight. 00065E5B
3 STR 6, LVL 20 When overencumbered, you can use Action Points to run. 00065E5C
4 STR 6, LVL 30 (Normal Mode) When overencumbered, you can fast travel.

(Survival Mode) When overencumbered, you will not become injured.

001D2489
5 STR 6, LVL 40 Far Harbor (add-on) When overencumbered, running costs 50% less action points. xx0423A3

Notes

  • With rank 3 of this perk, running while overencumbered consumes AP similarly to sprinting. Because of this, increased Endurance also lowers the AP drain just like it would for sprinting.
  • Rank 3 of the Moving Target perk also takes effect with the ability granted by rank 3 of this perk, reducing the AP drain of running while overencumbered. It also combines with rank 5 of this perk multiplicatively, further reducing (but not negating) the AP drain.
  • On Survival Mode, Rank 4 will negate damage taken from being overencumbered.
  • Rank 5 requires the Far Harbor add-on.

Bugs

  • Icon pc.png Icon xboxone.png Icon ps4.png A bug with rank 3 will use Fusion Core energy, since it still drains AP. This will quickly use up any Fusion Core energy from your suit, but only when moving. As mentioned above, Moving Target and Rank 5 of Strong Back will reduce the AP drain, but AP drain on moving can never be totally negated, and thus will still continually drain Cores.[verification overdue]
  • Icon pc.png Icon ps4.png The help text in the Perks screen incorrectly states the Normal mode effects for Rank 4 even when playing in Survival mode. [verification overdue]

Fallout 76

What are you, part pack mule?

Effects

Rank Description Form ID
1 You Gain +10 Carry Capacity 0004B24E
2 You Gain +20 Carry Capacity 00065E5B
3 You Gain +30 Carry Capacity 00065E5C
4 You Gain +40 Carry Capacity 001D2489
Nuclear Winter

Strong Back is a perk in the Nuclear Winter battle royale mode and requires 1 SPECIAL point to equip.

Rank Description Form ID
1 Gain +25 to carry weight. 00479B5A

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