diff --git a/docs/SpriteIDs.xlsx b/docs/SpriteIDs.xlsx
index 064b0a55..a39baf6c 100644
Binary files a/docs/SpriteIDs.xlsx and b/docs/SpriteIDs.xlsx differ
diff --git a/docs/changelog.txt b/docs/changelog.txt
index a660004e..1c46cc52 100644
--- a/docs/changelog.txt
+++ b/docs/changelog.txt
@@ -8,11 +8,11 @@
 - Coronation Coaches
 - More LNER Black 5 and Jubilee liveries
 - GWR Great Bear and Hall class rework
-- LMS 0-10-0 "Big Bertha" (needs coding)
 
 # v2.13
 - Added LNER J70
 - Added LNER V2
+- Added LMS 0-10-0 "Big Bertha"
 - Added Class 28
 - Added Class 58
 - Added Class 68 + Mk3 rake
diff --git a/gfx/Steam/LMS_BigBertha.png b/gfx/Steam/LMS_BigBertha.png
new file mode 100644
index 00000000..d4d202c9
Binary files /dev/null and b/gfx/Steam/LMS_BigBertha.png differ
diff --git a/lang/english.lng b/lang/english.lng
index 8b6e8ec0..87a4f7c3 100644
--- a/lang/english.lng
+++ b/lang/english.lng
@@ -457,15 +457,20 @@ str_LNERP2_usage				:Express Passenger
 str_LNERP2_eos					:1934-1936
 str_LNERP2_liveries				:LNER Green
 
+STR_NAME_LMSBigBertha			:LMS 0-10-0 "Big Bertha"
+str_LMSBigBertha_usage		    :Banking
+str_LMSBigBertha_eos			:1919
+str_LMSBigBertha_liveries		:LMS Red
+
 STR_NAME_LMSJubilee				:LMS 4-6-0 "Jubilee"
 str_LMSJubilee_usage		    :Express Passenger
 str_LMSJubilee_eos				:1934-1936
-str_LMSJubilee_liveries			:LNER Green
+str_LMSJubilee_liveries			:LMS Red
 
 STR_NAME_LMSBlack5				:LMS 4-6-0 "Black5"
 str_LMSBlack5_usage		        :Mixed Traffic
 str_LMSBlack5_eos				:1934-1951
-str_LMSBlack5_liveries			:LNER Green
+str_LMSBlack5_liveries			:LMS Black
 
 STR_NAME_WDTank				    :War Department 0-6-0 "Austerity Tank"
 str_WDTank_usage				:Low speed freight/shunting
diff --git a/src/sortpurchase.pnml b/src/sortpurchase.pnml
index 39f60f23..fa9fd3ce 100644
--- a/src/sortpurchase.pnml
+++ b/src/sortpurchase.pnml
@@ -11,6 +11,7 @@ sort(FEAT_TRAINS, [
   item_GWR_DeanGoods,
   item_GreatBear,
   item_GWRHall,
+  item_LMSBigBertha,
   item_LMSBlack5,
   item_LMSJubilee,
   item_LNERV2,
diff --git a/src/trains/_spriteset/Steam_Sprites/LMS_BigBertha.pnml b/src/trains/_spriteset/Steam_Sprites/LMS_BigBertha.pnml
new file mode 100644
index 00000000..255b2f81
--- /dev/null
+++ b/src/trains/_spriteset/Steam_Sprites/LMS_BigBertha.pnml
@@ -0,0 +1,40 @@
+spriteset(spriteset_LMSBigBertha_Purchase, "gfx/Steam/LMS_BigBertha.png") {
+	template_purchase_anim(0, 0)
+}
+
+spriteset(spriteset_LMSBigBertha_LMSRed, "gfx/Steam/LMS_BigBertha.png") {
+	template_train24px(0, 13)
+}
+
+spriteset(spriteset_LMSBigBertha_Tender_LMSRed, "gfx/Steam/LMS_BigBertha.png") {
+	template_train16px(0, 35)
+}
+
+
+switch(FEAT_TRAINS,SELF, sw_LMSBigBerthaLoco,cargo_subtype){
+    0:	spriteset_LMSBigBertha_LMSRed;
+}
+
+switch(FEAT_TRAINS,SELF, sw_LMSBigBerthaTender,cargo_subtype){
+    0:	spriteset_LMSBigBertha_Tender_LMSRed;
+}
+
+switch(FEAT_TRAINS, SELF, sw_LMSBigBertha, position_in_articulated_veh){
+	0: sw_LMSBigBerthaLoco;
+	1: sw_LMSBigBerthaTender;
+}
+
+switch(FEAT_TRAINS, SELF, switch_LMSBigBertha_length, position_in_articulated_veh) {	
+	0: return 6;
+	1: return 4;
+}
+
+switch (FEAT_TRAINS, SELF, switch_articulated_LMSBigBertha, extra_callback_info1) {
+	1: return item_LMSBigBertha;
+    return CB_RESULT_NO_MORE_ARTICULATED_PARTS; //stop adding vehicle parts
+}
+
+switch(FEAT_TRAINS,SELF,sw_LMSBigBertha_cargo_subtype_text,cargo_subtype){
+    0: return string(str_LMSRed);
+       return CB_RESULT_NO_TEXT;
+}
\ No newline at end of file
diff --git a/src/trains/steam/LMS/LMS_BigBertha.pnml b/src/trains/steam/LMS/LMS_BigBertha.pnml
new file mode 100644
index 00000000..41afe244
--- /dev/null
+++ b/src/trains/steam/LMS/LMS_BigBertha.pnml
@@ -0,0 +1,50 @@
+item (FEAT_TRAINS, item_LMSBigBertha, 703) {
+	property {
+		name: 							string(STR_NAME_LMSBigBertha);
+		climates_available: 			ALL_CLIMATES;
+		introduction_date:				date(1934,2,1);
+		model_life:						10;
+		retire_early:					1;
+		vehicle_life:					30;
+		reliability_decay:				7;
+		refittable_cargo_classes:		0;
+		cargo_allow_refit:				[GOOD, FOOD];
+		loading_speed:					3;
+		cost_factor:					20;
+		running_cost_factor:			24;
+		sprite_id:						SPRITE_ID_NEW_TRAIN;
+		speed:							50 mph;
+		misc_flags:						TRAIN_FLAG_NO_BREAKDOWN_SMOKE;
+		refit_cost:						0;
+		track_type:						RAIL;
+		ai_special_flag:				AI_FLAG_CARGO;
+		power:							2000 hp;
+		running_cost_base:				RUNNING_COST_STEAM;
+		dual_headed:					0;
+		default_cargo_type:				GOOD;
+		cargo_capacity:					1;
+		weight:							105 ton;
+		engine_class:					ENGINE_CLASS_STEAM;
+		tractive_effort_coefficient:	0.187561;
+		air_drag_coefficient:			0.1;
+		length:							5;
+		effect_spawn_model_and_powered:	EFFECT_SPAWN_MODEL_STEAM;
+		extra_weight_per_wagon:			0;
+		bitmask_vehicle_info:			0;
+	}
+	graphics {
+	length: switch_LMSBigBertha_length;	
+	additional_text:					return(string(str_purchase_loco_with_liveries,string(str_purchase_type_steam),string(str_LMSBigBertha_usage),string(str_LMSBigBertha_eos),string(str_LMSBigBertha_liveries)));
+	can_attach_wagon:					CB_RESULT_ATTACH_ALLOW;
+	cargo_capacity:						return 0;
+	cargo_subtype_text:					sw_LMSBigBertha_cargo_subtype_text;
+	articulated_part:        			switch_articulated_LMSBigBertha;
+	default: 							sw_LMSBigBertha;
+	purchase:							spriteset_LMSBigBertha_Purchase;
+	colour_mapping: 					return PALETTE_CC_FIRST;
+	create_effect:						steam_create_visual_effect;
+	sound_effect:						sw_steam_sound;
+	cost_factor:	return(GetAdjustedCost(24));
+	running_cost_factor: return(GetAdjustedCost(22));
+}
+}
\ No newline at end of file