diff --git a/code/game/machinery/vending/vendor_types/squad_prep/squad_engineer.dm b/code/game/machinery/vending/vendor_types/squad_prep/squad_engineer.dm
index 05784ec3c161..445ae80d401c 100644
--- a/code/game/machinery/vending/vendor_types/squad_prep/squad_engineer.dm
+++ b/code/game/machinery/vending/vendor_types/squad_prep/squad_engineer.dm
@@ -110,6 +110,7 @@ GLOBAL_LIST_INIT(cm_vending_clothing_engi, list(
 		list("Technician Satchel", 0, /obj/item/storage/backpack/marine/satchel/tech, MARINE_CAN_BUY_BACKPACK, VENDOR_ITEM_REGULAR),
 		list("Technician Welderpack", 0, /obj/item/storage/backpack/marine/engineerpack, MARINE_CAN_BUY_BACKPACK, VENDOR_ITEM_MANDATORY),
 		list("Technician Welder-Satchel", 0, /obj/item/storage/backpack/marine/engineerpack/satchel, MARINE_CAN_BUY_BACKPACK, VENDOR_ITEM_REGULAR),
+		list("Technician Welder Chestrig", 0, /obj/item/storage/backpack/marine/engineerpack/welder_chestrig, MARINE_CAN_BUY_BACKPACK, VENDOR_ITEM_MANDATORY),
 
 		list("BELT (CHOOSE 1)", 0, null, null, null),
 		list("G8-A General Utility Pouch", 0, /obj/item/storage/backpack/general_belt, MARINE_CAN_BUY_BELT, VENDOR_ITEM_REGULAR),
diff --git a/code/game/machinery/vending/vendor_types/squad_prep/squad_prep.dm b/code/game/machinery/vending/vendor_types/squad_prep/squad_prep.dm
index 9775c20cac33..4fcd3d25237c 100644
--- a/code/game/machinery/vending/vendor_types/squad_prep/squad_prep.dm
+++ b/code/game/machinery/vending/vendor_types/squad_prep/squad_prep.dm
@@ -77,6 +77,7 @@
 		list("Shotgun Scabbard", 5, /obj/item/storage/large_holster/m37, VENDOR_ITEM_REGULAR),
 		list("USCM Satchel", 10, /obj/item/storage/backpack/marine/satchel, VENDOR_ITEM_REGULAR),
 		list("USCM Technical Satchel", 10, /obj/item/storage/backpack/marine/satchel/tech, VENDOR_ITEM_REGULAR),
+		list("USCM Technical Chestrig", 10, /obj/item/storage/backpack/marine/engineerpack/welder_chestrig, VENDOR_ITEM_REGULAR),
 		list("USCM Uniform", 20, /obj/item/clothing/under/marine, VENDOR_ITEM_REGULAR),
 
 		list("BELTS", -1, null, null),
diff --git a/code/game/objects/items/storage/backpack.dm b/code/game/objects/items/storage/backpack.dm
index e36225177d91..40bd143fd074 100644
--- a/code/game/objects/items/storage/backpack.dm
+++ b/code/game/objects/items/storage/backpack.dm
@@ -914,6 +914,16 @@ GLOBAL_LIST_EMPTY_TYPED(radio_packs, /obj/item/storage/backpack/marine/satchel/r
 	max_fuel = 100
 	worn_accessible = TRUE
 
+/obj/item/storage/backpack/marine/engineerpack/welder_chestrig
+	name = "\improper Technician Welder Chestrig"
+	desc = "A specialized Chestrig worn by technicians and engineers. It carries one medium fuel tank for quick welder refueling and use."
+	icon_state = "welder_chestrig"
+	item_state = "welder_chestrig"
+	max_storage_space = 12
+	has_gamemode_skin = FALSE
+	max_fuel = 100
+	worn_accessible = TRUE
+
 // Pyrotechnician Spec backpack fuel tank
 /obj/item/storage/backpack/marine/engineerpack/flamethrower
 	name = "\improper USCM Pyrotechnician G6-2 fueltank"
diff --git a/code/modules/gear_presets/uscm_ship.dm b/code/modules/gear_presets/uscm_ship.dm
index 75d661da503f..2714dd063786 100644
--- a/code/modules/gear_presets/uscm_ship.dm
+++ b/code/modules/gear_presets/uscm_ship.dm
@@ -261,6 +261,7 @@
 	new_human.equip_to_slot_or_del(new /obj/item/storage/pouch/general/medium(new_human), WEAR_R_STORE)
 	new_human.equip_to_slot_or_del(new /obj/item/device/demo_scanner(new_human), WEAR_L_STORE)
 	new_human.equip_to_slot_or_del(new /obj/item/storage/bag/trash(new_human), WEAR_L_HAND)
+	new_human.equip_to_slot_or_del(new /obj/item/storage/backpack/marine/engineerpack/welder_chestrig, (new_human), WEAR_R_HAND)
 
 /datum/equipment_preset/uscm_ship/maint/load_rank(mob/living/carbon/human/new_human)
 	if(new_human.client)
diff --git a/icons/mob/humans/onmob/back.dmi b/icons/mob/humans/onmob/back.dmi
index fe04c9d66dc3..4689fd35ab50 100644
Binary files a/icons/mob/humans/onmob/back.dmi and b/icons/mob/humans/onmob/back.dmi differ
diff --git a/icons/mob/humans/onmob/items_lefthand_0.dmi b/icons/mob/humans/onmob/items_lefthand_0.dmi
index 1f154ef92396..a040ddb7a65e 100644
Binary files a/icons/mob/humans/onmob/items_lefthand_0.dmi and b/icons/mob/humans/onmob/items_lefthand_0.dmi differ
diff --git a/icons/mob/humans/onmob/items_righthand_0.dmi b/icons/mob/humans/onmob/items_righthand_0.dmi
index 858da88c29ed..a09244c30139 100644
Binary files a/icons/mob/humans/onmob/items_righthand_0.dmi and b/icons/mob/humans/onmob/items_righthand_0.dmi differ
diff --git a/icons/obj/items/clothing/backpacks.dmi b/icons/obj/items/clothing/backpacks.dmi
index 8dbba91502fe..26d2c944e9dd 100644
Binary files a/icons/obj/items/clothing/backpacks.dmi and b/icons/obj/items/clothing/backpacks.dmi differ