M113A1 Armoured Personnel Carrier and Light Reconnaissance vehicle.

Tracked Armoured Personnel Carrier with aluminium hull and equipped with a steel T50 (Aust) turret with provision for one .50 inch M2HB and one .30 L3A3 Browning machine guns. There are five rubber tyred road wheels fitted to each side, with the drive sprockets forward and the idler wheels at the rear. The wheel hubs are a post Vietnam fitment - the original hubs were fitted with a small viewing port mounted in the centre, which allowed crew members to gauge the amount of lubrication needed. It is fitted with post-Vietnam conflict German Diehl-type double pin tracks with rubber block inserts. The vehicle is missing the two jerry-can holders which would have been mounted on the rear of the hull, and has had its rubber track side shrouds removed. The vehicle has been camouflaged in the standard late 1990s AUSCAM colours of olive drab, tan & black.

The M113A1 is an Armoured Personnel Carrier (APC) in service developed in the United states of America and introduced into Australian Army service in 1964.

The M113 family of vehicles includes seven variants - the APC, Armoured Fitters, Armoured Recovery Vehicle Light, Armoured Ambulance, Armoured Mortar, Armoured Command Vehicle and Armoured Logistic Vehicle.

The M113A1 remained in service with the Australian Army for over 50 years with a heavily modified and 'stretched' Australian version known as the M113AS4 introduced into service from 2007. As of 2022 this vehicle is still in service with the Australian Army and fourteen (14) with the Ukrainian Army.

This particular vehicle (Army Registration Number 134192) was first deployed to South Vietnam with 1 APC Squadron in 1966. It later served with 3 Cavalry Regiment until 1969. The vehicle covered close to 10,000 miles on operations, with an initial callsign of 40A, and later 21. The vehicle's first driver in Vietnam was Keith Jones. Prior to the deployment Keith drove the vehicle from Bandiana to Puckapunyal, from where it was shipped by rail to Sydney. It was then carried by the aircraft carrier HMAS Sydney to South Vietnam.

At the time of its initial deployment the vehicle was fitted with a single .50 calibre machinegun, mounted in a pintle above the crew commander's position. It was subsequently fitted with an Aircrafts Armament Incorporated M 74C turret, and by late 1968, with its current Cadillac Gage T50 turret.

Its second overseas deployment was to Rwanda as part of UNAMIR (United Nations Assistance Mission in Rwanda) with B Squadron 3/4 Cavalry Regiment and 5/7 RAR, 1994-96. Its callsign was 31A. Painted white with black United Nations insignia, the first time Australian armoured vehicles had been finished in this paint scheme. (The white paint is still present below the current camouflage).

Its third overseas deployment was to East Timor from October 1999 to 2001 during Operation Warden, INTERFET (International Force for East Timor) with B Squadron, 3/4 Cavalry Regiment. It was used extensively for patrol and security duties mainly in border regions in support of 2 RAR infantry companies, and on independent operations by day and night. Thousands of kilometers were covered on sealed roads and rugged cross-country. Its crew commander while in Timor was Captain Steve Wilson, its callsign 20A, and its nickname 'Bare Back'. The departure of B Sqn 3/4 Cav Regt from East Timor saw 134192, along with a number of other armoured vehicles from the Squadron, left in Dili. These were subsequently crewed by the relieving Troop from 2/14 Light Horse Regiment as part of UNTAET (United Nations Transitional Administration in East Timor). The vehicle was transfered to the Memorial in May 2000, and is operable, complete with most equipment. Lieutenant General F J Hickling AO CSC, Chief of Army, has described ARN 134192 as "an excellent historical artefact and encapsulates much of Army's modern operational experience. INTERFET was an important part of the ADF's history and captured the public's attention as few military endeavours have in recent times. As such I believe it to be fitting that it is properly represented within the Australian War Memorial."