A convoy of lorries belonging to 913 MT Company (ASC) negotiating a hair-pin bend on the Bralo-Itea road. The convoy is led by a car, which probably carries the covoy's commanding officer. The Bralo-Itea road was an important transport route from 1917 when U-Boat activity in the Mediterranean reduced the level of shipping using the port of Salonika. A new route was opened using the railway networks of France and Italy, followed by a short crossing of the Adriatic from Taranto to Itea. From Itea lorries carried men and material to the railhead at Bralo, from where trains ran north to the base depots at Salonika. The Bralo-Itea road remained busy until British forces withdrew from Greece in 1919-20. IWM photograph HU87365, with permission. Photo taken in 1918 by Pte Christopher Harry Reynolds.

The British Army was the most mechanised of all in the Great War, when it came to using motor vehicles for transport. A large total of ASC Mechanical Transport Companies existed at some time in the war, in the following categories. Please note that the list is as yet incomplete, with more units to be added.

The ASC MT Depot Companies

The ASC Mechanical Transport Depot Companies filled a variety of administrative, recruitment, induction, training and re-supply roles. The Base Depots were based in the United Kingdom or at the port of entry to a theatre of war. Advanced Depots were located further up the lines of communication.

ASC Company	Remarks
52	Regular army. Home depot. Used as depot and discharge centre. Based at Aldershot.
53	Regular army. 1st Base Depot in France.
54	Regular army. 1st Advanced Depot in France, at Rouen then Abbeville.
364	Formed May 1915. 2nd Base Depot in France, at Calais.
365	Formed May 1915. 2nd Advanced Depot in France.
500	Formed September 1915. 3rd Base Depot in Alexandria, Egypt.
557	Formed November 1915 as Special Base Depot for Middle East, but was converted before departure into an Ammunition Column.
598	Formed October 1915. 4th Base Depot in Salonika, at Kalamaria.
599	Formed October 1915. Base Depot and Repair Unit in East Africa.

The ASC MT Companies in the Divisional Supply Columns

Each Division of the army had a certain amount of motorised transport allocated to it, although not directly under its own command. The Divisional Supply Column Companies were responsible for the supply of goods, equipment and ammunition from the Divisional railhead to the Divisional Refilling Point and, if conditions allowed, to the dumps and stores of the forward units. Used, of course, where loads were heavy. A Company initially comprised 5 officers and 337 other ranks of the ASC, looking after 45 3-ton lorries, 16 30-cwt lorries, 7 motor cycles, 2 cars and 4 assorted trucks for the workshop and stores of the Supply Column itself. All Companies served in France unless otherwise mentioned.

ASC Company	Remarks
44	Pre-war. 7th Division and later 3rd Division.
46	Pre-war. 2nd Cavalry Division.
48	Pre-war. 5th Division.
50	Pre-war. 6th Division.
57	Pre-war. 1st Cavalry Division.
58	Pre-war. 1st Cavalry Division.
59	Pre-war. 1st Division.
61	Pre-war. 2nd Division.
63	Pre-war. 3rd Division. Later attached to 18th Division.
65	Pre-war. 4th Division.
67	Pre-war. Meerut Division. Later attached to 38th (Welsh) Division.
69	Pre-war. Lahore Division. Later attached to 16th (Irish) Division.
71	Pre-war. 2nd Indian Cavalry Division. Later attached to 74th (Yeomanry) Division.
73	Pre-war. 3rd Cavalry Division.
74	Pre-war. 8th Division.
77	Pre-war. 27th Division. Later, attached to 55th (West Lancashire) Division and then 58th (2/st London) Division.
81	Formed September 1914. 3rd Cavalry Division.
82	Formed October 1914. 1st Indian Cavalry Division.
83	Formed November 1914. 2nd Indian Cavalry Division.
89	Formed October 1914. 1st Indian Cavalry Division. Later attached to 52nd (Lowland) Division.
131	Formed January 1915. 9th (Scottish) Division.
133	Formed January 1915. 10th (Irish) Division. Later, attached to 14th (Light) Division.
135	Formed January 1915. 11th (Northern) Division. Later, attached to 37th Division.
175	Formed January 1915. 12th (Eastern) Division.
177	Formed January 1915. 13th (Western) Division.
179	Formed January 1915. Formed for 14th (Light) Division, but soon transferred to 18th (Eastern) Division and later 34th Division.
181	Formed December 1914. Formed for 28th Division, but soon transferred to 33rd Division.
244	Formed January 1915. 29th Division. Transferred to 10th (Irish) Division for service in Salonika.
257	Formed January 1915. 17th (Northern) Division.
259	Formed January 1915. 15th (Scottish) Division, and later 32nd then 31st Division.
261	Formed February 1915. 17th (Northern) Division, and later 22nd then 30th Division.
263	Formed February 1915. 18th (Eastern) Division, and later 33rd then 56th (London) Division.
265	Formed February 1915. 19th (Western) Division, and later 15th (Scottish) Division then 51st (Highland) Division.
267	Formed March 1915. 20th (Light) Division.
271	Formed February 1915. 46th (North Midland) Division.
273	Formed November 1914. 2nd Mounted Division.
274	Formed February 1915. 42nd (East Lancashire) Division, but did not proceed to Egypt. Remained in UK as driver training company
277	Formed March 1915. 47th (London) Division.
300	Formed June 1915. 17th (Northern) Division, and from August 1918, 1st Australian Divsion.
302	Formed March 1915. 61st (2nd South Midland) Division.
304	Formed March 1915. 35th Division.
306	Formed March 1915. Guards Division.
321	Formed August 1914. 19th Brigade. Later, Supply Column to XI Corps in Italy.
328	Formed March 1915. 48th (South Midland) Division.
336	Formed March 1915. 50th (Northumbrian) Division. Later served in Italy with 7th Division.
338	Formed April 1915. 22nd Division. Later served in Egypt with 10th (Irish) Division and Salonika as army troops under GHQ command.
340	Formed May 1915. 23rd Division.
342	Formed May 1915. 24th Division.
344	Formed May 1915. 25th Division.
346	Formed June 1915. 34th Division in France, but moved to Salonika as army troops and then attached to 28th Division.
348	Formed March 1915. Remained in England.
349	Formed April 1915. 49th (West Riding) Division.
352	Formed April 1915. Formed for 15th (Scottish) Division but served in France with 32nd Division.
354	Formed April 1915. Formed for 52nd (Lowland) Division but served in France with 30th Division, 34th Division, 55th (2nd West Lancashire) Division.
374	Formed June 1915. Formed for 38th (Welsh) Division but served in France with 39th Division.
379	Formed July 1915. 36th (Ulster) Division.
395	Formed July 1915. 10th (Irish) Division. Did not proceed overseas and was absorbed into Labour Corps in June 1917.
396	Formed July 1915. 11th (Northern) Division. Did not proceed overseas and was absorbed into Labour Corps in June 1917.
397	Formed July 1915. 13th (Western) Division. Did not proceed overseas and was absorbed into Labour Corps in June 1917.
398	Formed July 1915. 53rd (Welsh) Division. Did not proceed overseas and was absorbed into Labour Corps in June 1917.
413	Formed September 1914. 2nd Cavalry Division. Absorbed into 46 Company ASC in October 1916.
414	Formed September 1914. 3rd Cavalry Division. Absorbed into 73 Company ASC in October 1916.
415	Formed September 1914. 1st Canadian Division.
441	Formed July 1915 for 52nd (Lowland) Division, but absorbed into 38 Labour Company ASC, March 1916.
442	Formed July 1915 for 54th (East Anglian) Division, but absorbed into 38 Labour Company ASC, March 1916.
494	Formed August 1915 for 39th Division but saw service in France with 41st Division, then Italy with 23rd Division.
496	Formed August 1915 for 40th Division but saw service in France with 29th Division.
498	Formed August 1915 for 41st Division but saw service in France with 2nd Australian Division, and in Italy with 17th and 41st Divisions.
570	Formed September 1915 and served as LOC troops in East Africa. Absorbed into 648 Company in June 1917..
600	Formed October 1915 as an Auxiliary (Petrol) Company, but was attached to 2nd Australian Division on arrival in France. In July 1917 it was formally transferred to the Australian ASC, and was renamed 2 Australian MT Company in August 1918.
608	Formed November 1915. 40th Division.

The ASC MT Companies allotted as Divisional Ammunition Parks

The MT Companies called Ammunition Parks operated dumps, or stores, of ammunition. This included the larger calibres of artillery shells which required special handling equipment, smaller shells, mortar rounds, grenades and small arms ammunition too. All saw service in France unless otherwise mentioned

ASC Company	Remarks
45	Pre-war. 1st Cavalry Division and later GHQ Troops, as 12 Reserve Park MT.
47	Pre-war. Ammunition Sub-Park for 4th Division.
49	Pre-war. 5th Division. Later, Ammunition Sub-Park for 6th Division.
51	Pre-war. 6th Division. Later, 3 GHQ Ammunition Park, then 3 GHQ Reserve MT Company.
56	Pre-war. 2nd Cavalry Division and later GHQ Troops, as 2 Reserve Park MT.
60	Pre-war. Ammunition Sub-Park for 4th Division.
68	Pre-war. Ammunition Park for Lahore Division. When Indian Corps left France, became 1 GHQ Ammunition Park.
70	Pre-war. Ammunition Sub-Park for Meerut Division. When Indian Corps left France, became Sub-Park for 38th (Welsh) Division.
72	Pre-war. Ammunition Park for 2nd Indian Cavalry Division.
75	Pre-war. Ammunition Park for 8th Division. Later, became Artillery Park for 1st Army.
76	Pre-war. Ammunition Park for 3rd Cavalry Division. Later, became 7 GHQ Reserve MT Company.
78	Pre-war. Ammunition Park for 27th Division.
79	Formed October 1914. Ammunition Park for 1st Indian Cavalry Division. Later, became 9 GHQ Reserve MT Company.
80	Formed October 1914. Ammunition Park for 2nd Mounted Division. Later, became 21 Ammunition Sub-Park for IV Corps..
134	Formed January 1915. Ammunition Sub-Park for 10th (Irish) Division. Absorbed into 133 MT Company (a Divisional Supply Column) March 1918.
136	Formed January 1915. Ammunition Sub-Park for 11th (Northern) Division.
180	Formed January 1915. Ammunition Sub-Park for 14th (Light) Division. Absorbed into 179 MT Company (a Divisional Supply Column) March 1918.
245	Formed January 1915. 29th Division. Transferred to 10th (Irish) Division for service in Salonika.
258	Formed January 1915. 17th (Northern) Division.
260	Formed January 1915. 16th (Irish) Division.
262	Formed February 1915. 17th (Northern) Division, and later 22nd then 30th Division.
264	Formed February 1915. 18th (Eastern) Division, and later 33rd then 56th (London) Division.
266	Formed February 1915. 19th (Western) Division, and later 15th (Scottish) Division then 51st (Highland) Division.
268	Formed March 1915. 20th (Light) Division. Absorbed into 267 MT Company (the Divisional Supply Column) March 1918.
269	Formed February 1915. 46th (North Midland) Division.
278	Formed March 1915. 47th (London) Division. Absorbed into 267 MT Company (the Divisional Supply Column) March 1918.
301	Formed June 1915. 17th (Northern) Division, and from August 1918, 1st Australian Division. Absorbed into 300 MT Company (the Divisional Supply Column) March 1918.
303	Formed March 1915. 35th Division.
305	Formed March 1915. Ammunition Sub-Park for 35th Division. Absorbed into 304 MT Company (the Divisional Supply Column) March 1918.
307	Formed March 1915. Guards Division.
329	Formed March 1915. 48th (South Midland) Division.
337	Formed March 1915. 50th (Northumbrian) Division. Later served in Italy with XIV Corps. Absorbed into 336 MT Company (the Divisional Supply Column) March 1918.
339	Formed April 1915. 22nd Division. Did not move to Salonika, but was detached and moved to France, where it became 51 Auxiliary (Omnibus) Company.
341	Formed May 1915. 23rd Division. Did not proceed to Italy with Division, becoming 8 GHQ Ammunition Park.
343	Formed May 1915. 24th Division.
345	Formed May 1915. 25th Division. Later served in Italy with XI Corps. Absorbed into 733 MT Company (the Divisional Supply Column) February 1918.
347	Formed June 1915 for 34th Division but appears not to have moved to France. Was in Egypt and palestine as Lines of Communication unit.
350	Formed April 1915. 49th (West Riding) Division. Absorbed into 349 MT Company (the Divisional Supply Column) March 1918.
353	Formed April 1915. Formed for 15th (SCottish) Division but served in France with 32nd Division. Absorbed into 352 MT Company (the Divisional Supply Column) March 1918.
357	Formed April 1915. Formed for 52nd (Lowland Division) but served in France with 30th Division, 34th Division. Absorbed into 354 MT Company (the Divisional Supply Column) March 1918.
375	Formed June 1915. Formed for 38th (Welsh) Division but served in France with 39th Division. Absorbed into 374 MT Company (the Divisional Supply Column) March 1918.
380	Formed July 1915. 36th (Ulster) Division. Absorbed into 379 MT Company (the Divisional Supply Column) March 1918.
492	Formed August 1915. Ammunition Column for 2nd Australian Division. Absorbed into 600 MT Company (the Divisional Supply Column) March 1918.
497	Formed August 1915 for 40th Division but saw service in France with V Corps. Absorbed into 302 MT Company in March 1918.
597	Formed October 1915 as 29 Ammunition Sub-Park, but joined 26th Division as Supply Column and saw service in Salonika.
601	Formed October 1915 originally as Supply Column for IV Corps, but served in France as Amminition Sub-Park for 29th Division.
607	Formed November 1915 and became 2 Australian Ammunition Sub-Park, in X Corps. Later served in Italy.

The ASC MT Omnibus Companies

The army requisitioned and used buses as a means of transport for troops.

ASC Company	Remarks
90	Formed October 1914. 1st Omnibus Company. Initially in Second Army area, later GHQ Troops.
91	Formed October 1914. 2nd Omnibus Company. Initially in First Army area, later GHQ Troops.
92	Formed October 1914. 3rd Omnibus Company.
93	Formed October 1914. 4th Omnibus Company. Initially in Second Army area, later GHQ Troops. Eventually converted to a MT Mobile Repair workshop.
339	Formed April 1915 as Ammunition Park for 22nd Division. Did not move to Salonika, but was detached and moved to France, where it became 51 Auxiliary (Omnibus) Company.
405	Formed July 1915. 15th Omnibus Company.
563	Formed August 1915. 16th Auxiliary (Omnibus) Company.
563	Formed September 1915. 18th Auxiliary (Omnibus) Company.

The ASC MT Companies attached to the Royal Garrison Artillery as Ammunition Parks

The heavy guns and howitzers of the RGA, with attendant equipment and ammunition, needed motorised transport to haul them. The MT Companies called Ammunition Parks operated dumps, or stores, of ammunition. The larger calibres of artillery shells required special mechanical handling equipment. All served in France unless otherwise mentioned.

ASC Company	Remarks
94	Formed October 1914. Ammunition Park for 22 Siege Battery RGA. In October 1915, absorbed into 55 MT Company.
250	Formed February 1915. Ammunition Column for 7th Brigade RGA.
256	Formed February 1915. Ammunition Column for 1st Brigade RGA. Later under First Army as a Siege Park.
272	Formed March 1915. Ammunition Column for 12 Siege Battery RGA. Later under 1st ANZAC and the Australian Corps Heavy Artillery.
282	Formed March 1915. Ammunition Column for 15th Brigade RGA. Later under I Corps Heavy Artillery.
283	Formed March 1915. Ammunition Column for 19th Brigade RGA. Later under XVII Corps Heavy Artillery, and called G Siege Park.
335	Formed March 1915. Ammunition Column for 14th Brigade RGA. Later under XIII Corps Heavy Artillery.
363	Formed May 1915. Ammunition Column for 18th Brigade RGA. Later under V Corps Heavy Artillery.
376	Formed June 1915. Ammunition Column for 24th Brigade RGA. Later 43rd Siege Park, seeing service in Salonika.
377	Formed July 1915. Ammunition Column for 23rd Brigade RGA. Later Third Army Siege Park.
402	Formed July 1915. Ammunition Column for 25th Brigade RGA. Later 4th or D Corps Siege Park.
403	Formed July 1915. Ammunition Column for 26th Brigade RGA. Later II ANZAC or Y Corps Siege Park, and then XXII Corps Heavy Artillery.
406	Formed July 1915. Ammunition Column for 27th Brigade RGA. Later X Corps Siege Park, and then II and IV Corps Heavy Artillery.
416	Formed March 1915. Ammunition Column for 6th Brigade RGA.
417	Formed March 1915. Ammunition Column for 12th Brigade RGA.
491	Formed August 1915. Ammunition Column for 28th Brigade RGA. Later XI Corps Heavy Artillery, in Italy.
557	Formed November 1915 as Special Base Depot for Middle East, but was converted before departure into an RGA Ammunition Column. Was attached to 69 and then 68 Siege Batteries, in England. Finally, moved to France as an Auxiliary Horsed Transport Company for service with 4th Cavalry Division.
558	Formed November 1915 as Special Base Repair Unit for Middle East, but was converted before departure into Ammunition Columnfor 70 Siege Battery RGA.
560	Formed November 1915. Ammunition Column for 35 Siege Battery RGA. Did not exist after April 1916.
561	Formed October 1915. Ammunition Column for 50 Siege Battery RGA. Operated caterpillar engines. In March 1916, became an Army Troops unit for Third Army.
562	Formed August 1915. Ammunition Column for 30th Brigade RGA. Later served as Corps Siege Park for 1st ANZAC and then IV Corps.
565	Formed August 1915. Ammunition Column for 31st Brigade RGA. Later served as VI Corps Siege Park.
583	Formed September 1915. Ammunition Column for 22 Siege Battery RGA. Later served as 11 GHQ Reserve MT Company.
592	Formed September 1915. Ammunition Column for 32nd Brigade RGA. Served in France under VIII Corps.
593	Formed October 1915. Ammunition Column for 33rd Brigade RGA. Served in France under XIV Corps and VIII Corps, as "H" Siege Park.
594	Formed October 1915. Ammunition Column for 34th Brigade RGA. Served in France under II Corps, as "B" Siege Park, and then X Corps and "X" Siege Park.
602	Formed October 1915. Ammunition Column for 36th Brigade RGA and later absorbed into 48th Siege Battery RGA.
604	Formed November 1915. Ammunition Column for 65th Siege Battery RGA and became XV Corps Siege Park.
616	Formed December 1915. Ammunition Column for 58th Siege Battery RGA.
617	Formed December 1915. Ammunition Column for 60th Siege Battery RGA.

The ASC MT Auxiliary (Petrol) Companies

More transport units, using petrol-driven vehicles (they are not petrol tankers).

ASC Company	Remarks
315	Formed March 1915. 3rd Company, based at Etaples. Lines of Communication troops under GHQ command.
316	Formed March 1915. 4th Company. Provided local transport at Rouen. Lines of Communication troops under GHQ command. Operated steam tractors.
317	Formed March 1915. 5th Company.
318	Formed March 1915. 6th Company. Provided local transport at Boulogne.
587	Formed September 1915. 17th Company. Under Second Army command.
589	Formed September 1915. 19th Company. Under First Army command. Absorbed into 384 Company (Army Troops MT) in March 1918.
590	Formed September 1915. 20th Company. Provided local transport and worked on forestry at Rouen.
591	Formed September 1915. 21st Company. Under Third Army command. Absorbed into 371 Company (Army Troops MT) in March 1918.
600	Formed October 1915 as an Auxiliary (Petrol) Company, but was attached to 2nd Australian Division on arrival in France. In July 1917 it was formally transferred to the Australian ASC, and was renamed 2 Australian MT Company in August 1918.

The ASC MT Auxiliary (Steam) Companies

More transport units, using steam-driven vehicles.

ASC Company	Remarks
356	Formed April 1915. 7th Steam Company. Lines of Communication troops under GHQ command.
366	Formed May 1915. 8th Steam Company. Lines of Communication troops under GHQ command.
367	Formed May 1915. 9th Steam Company. Lines of Communication troops under Second Army command.

The ASC MT Motor Ambulance Convoy Companies

Specialised motorised transport used on the lines for evacuation of casualties.

ASC Company	Remarks
323	Formed March 1915. 5 Motor Ambulance convoy, under Second Army.
324	Formed March 1915. 6 Motor Ambulance convoy, under Third Army.
325	Formed March 1915. 7 Motor Ambulance convoy, under First Army. Moved to Salonika.
326	Formed March 1915. 8 Motor Ambulance convoy, under First Army.
355	Formed April 1915. 9 Motor Ambulance convoy, under Second Army and later in Salonika.
359	Formed May 1915. 10 Motor Ambulance convoy, under Fourth Army.
378	Formed July 1915. 11 Motor Ambulance convoy, under Fourth Army.
418	Formed October 1914. 1 Motor Ambulance convoy, under GHQ.
419	Formed October 1914. 2 Motor Ambulance convoy, under Second Army.
420	Formed October 1914. 3 Motor Ambulance convoy, under Fourth Army.
421	Formed August 1915. 4 Motor Ambulance convoy, under Fifth Army.
559	Formed August 1915. 12 Motor Ambulance convoy, under Fifth Army.
566	Formed August 1915. 13 Motor Ambulance convoy, under First Army.
567	Formed August 1915. 14 Motor Ambulance convoy, under Second Army.
568	Formed August 1915. 15 Motor Ambulance convoy, under First Army.
569	Formed August 1915. 16 Motor Ambulance convoy, under Third Army.
595	Formed October 1915. 17 Motor Ambulance convoy. Served in Salonika.
618	Formed January 1916. 18 Motor Ambulance convoy. Served in East Africa.
626	19 Motor Ambulance convoy
627	25 Motor Ambulance convoy
628	26 Motor Ambulance convoy
629	27 Motor Ambulance convoy
638	20 Motor Ambulance convoy
639	21 Motor Ambulance convoy
640	22 Motor Ambulance convoy
645	24 Motor Ambulance convoy
656	23 Motor Ambulance convoy
699	29 Motor Ambulance convoy
704	30 Motor Ambulance convoy
705	31 Motor Ambulance convoy
771	32 Motor Ambulance convoy
773	33 Motor Ambulance convoy. Served in Mesoptamia.
787	34 Motor Ambulance convoy
894	35 Motor Ambulance convoy
908	36 Motor Ambulance convoy
909	37 Motor Ambulance convoy
911	39 Motor Ambulance Company (Lines of Communication troops)
920	38 Motor Ambulance convoy
970	40 Motor Ambulance convoy
1049	42 Motor Ambulance convoy
1060	43 Motor Ambulance convoy
1075	44 Motor Ambulance convoy
1078	1 Motor Ambulance Transport Company
1091	45 Motor Ambulance convoy
1129	47 Motor Ambulance convoy

The ASC MT Heavy Repair Shops

The forerunner of the REME of the Second World War.

ASC Company	Remarks
319	Formed March 1915. 1st Heavy Repair Shop, based at Paris. Lines of Communication troops under GHQ command.
320	Formed March 1915. 2nd Heavy Repair Shop, based at Rouen. Lines of Communication troops under GHQ command.
358	Formed May 1915. 3rd Heavy Repair Shop. Lines of Communication troops under GHQ command.
404	Formed July 1915. 2nd Mobile Repair Unit. Lines of Communication troops under Third Army command. Known to have been in Saint-Omer and Albert.
422	Formed January 1915. 1 Workshop, repairing and maintaining Ant-Aircraft Batteries.
423	Formed June 1915. 2 Workshop, repairing and maintaining Ant-Aircraft Batteries. Served in Italy from late 1917.
558	Formed November 1915 as Special Base Repair Unit for Middle East, but was converted before departure into Ammunition Column for 70 Siege Battery RGA.
584	Formed September 1915. 3rd Mobile Repair Unit. Lines of Communication troops under Second Army command.

The ASC MT Bridging and Pontoon Companies

ASC Company	Remarks
360	Formed May 1915. 4th Bridging Train, and later called a Pontoon Park. Fourth Army in France, and later in Italy.
370	Formed May 1915. 6th Bridging Train, and later called a Pontoon Park. Third Army in France.

The ASC MT Local Auxiliary Companies

ASC Company	Remarks
603	Formed in November 1915 and moved to Malta, remaining there as 22 Local Auxiliary Coy.
606	Formed in November 1915 and remained in London as 23 Local Auxiliary Coy.
612	Formed in January 1916 and remained in York as 24 Local Auxiliary Coy.
613	Formed in January 1916 and remained in Liverpool as 25 Local Auxiliary Coy.
614	Formed in January 1916 and remained in Edinburgh as 26 Local Auxiliary Coy.
615	Formed in January 1916 and remained in Dublin as 27 Local Auxiliary Coy.