Armored Command and Reconnaissance Carrier M114.

The driver's position in the front left and the commander's cupola can be seen in this overhead view. (Picture from TM 9-2320-224-10.)

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Armored Command and Reconnaissance Carrier M114.

Pioneer tools were stowed on and around the round rear hatch, and the observer had a roof hatch with two mounts for his 7.62mm machine gun. (Picture from TM 9-2320-224-10.)

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Armored Command and Reconnaissance Carrier M114.

External features are labeled in this drawing. 1. Driving lights. 2. Surfboard. 3. Geared-steer unit oil level access cover. 4. Bilge pump. 5. Air inlet & exhaust grille. 6. M19 (IR) periscope. 7. 7.62-mm machine gun pintle support. 8. 7.62-mm machine gun M60. 9. Gun mount M142. 10. M13 periscope. 11. Observer's hatch cover. 12. Personnel air vent. 13. Basic issue items. 14. Fixed fire extinguisher. 15. Fuel filler cover. 16. M26 periscope. 17. Driver's hatch cover. 18. Power plant master warning light. 19. Suspension. 20. Towing lug. (Picture from TM 9-2320-224-10.)

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Armored Command and Reconnaissance Carrier M114.

The various plugs and access covers on the hull bottom are illustrated here. (Picture from TM 9-2320-224-10.)

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Armored Command and Reconnaissance Carrier M114.

The interior of the vehicle is sketched here. 1. Parking brake lock. 2. Steering selector lever. 3. Radiator coolant surge tank filler cap. 4. Batteries. 5. Engine oil level dipstick. 6. Transmission oil level dipstick and filler tube. 7. Engine oil filler tube. 8. Transmission shift lever. 9. Drive "V" belts. 10. Gas-particulate filter unit. 11. Personnel heater control box. 12. Observer's jump seat. 13. Intercom box. 14. Dome light. 15. Tow, pintle kit and/or trailer lighting receptacle. 16. Hull rear door. 17. Jump seat (passenger). 18. Radio equipment. 19. Portable fire extinguisher. 20. Throttle control knob. 21. Choke control knob. 22. Driver's seat. 23. Steer bar. 24. Driver's switch and indicator panels. 25. Brake pedal. 26. Fuel shut-off valve. 27. Accelerator pedal. 28. Auxiliary power (slave) receptacle. 29. Accessory outlet receptacle. 30. Fuel drain plug. 31. Air cleaner. 32. Geared-steer unit oil level dipstick and filler tube. (Picture from TM 9-2320-224-10.)

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Armored Command and Reconnaissance Carrier M114 in Fort Knox, Kentucky.

Although amphibious, the small angle of approach and large front overhang served to limit the vehicle's ability to climb out of streams or up steep banks.

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Armored Command and Reconnaissance Carrier M114 belonging to the Patton Museum of Cavalry and Armor.

The driver's hatch is open, and is visible resting on the front hull plate. The trim vane only reaches halfway up the hull front, and its outline can be seen in front of the headlight guards.

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Armored Command and Reconnaissance Carrier M114 at the American Armoured Foundation Tank Museum.

The positioning of the open driver's hatch and trim vane can better be seen on this machine.

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Armored Command and Reconnaissance Carrier M114 belonging to the US Army Armor and Cavalry Collection.

The diminutive size of the M114 is shown well here with it parked next to a relatively hulking fire support team vehicle M981. The surfboard is absent on this M114 .

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Armored Command and Reconnaissance Carrier M114.

Components of the vehicle's powertrain are sketched here (though not to scale), with the engine, transmission, and steering gear shown from the left to right. (Pictures from TM 9-2350-244-24P.)

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Armored Command and Reconnaissance Carrier M114.

The installed powertrain is diagrammed in this drawing. Note the front/rear orientation of the powertrain versus that of the vehicle hull. (Picture from TM 9-2320-224-10.)

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Armored Command and Reconnaissance Carrier M114.

Parts of the installed powerplant are labeled in this image. (Picture from TM 9-2320-224-10.)

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Armored Command and Reconnaissance Carrier M114 at the Virginia Museum of Military Vehicles.

The engine is visible through the open grille in this image.

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Armored Command and Reconnaissance Carrier M114.

The track was redesigned during production; the old style on the left can be contrasted with the new version on the right. The early track was to be replaced after 1000 miles (1600km) of service. (Picture from TM 9-2320-224-10.)

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Armored Command and Reconnaissance Carrier M114 at the Virginia Museum of Military Vehicles.

Details of the drive sprocket are shown here. Note the late-type track.

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Armored Command and Reconnaissance Carrier M114.

Track tension was adjusted by injecting grease into or releasing grease from the track adjusting cylinder, which would respectively extend or retract the idler wheel. (Picture from TM 9-2320-224-10.)

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Armored Command and Reconnaissance Carrier M114 at the Virginia Museum of Military Vehicles.

The driver's position is shown here, ringed by his M26 periscopes, and the commander's cupola is directly behind. To the driver's right is the engine air inlet and exhaust grille. The filler cover to the driver's front left is for fuel, and the catch for the driver's hatch when it was open can be seen on the front slope below the forward periscope.

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Armored Command and Reconnaissance Carrier M114 belonging to the Patton Museum of Cavalry and Armor.

The M114 featured a round rear entry door, and it is open on this vehicle. Visible on the door interior are the mounting points for three M72 light antitank weapons.

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Armored Command and Reconnaissance Carrier M114 at the American Armoured Foundation Tank Museum.

Stowage is in place on this vehicle, including the antitank rockets on the rear door. The observer's and commander's hatches are open, and the periscope in the observer's hatch can be seen. The mushroom-shaped structure on the left rear corner of the roof is an air vent.

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Armored Command and Reconnaissance Carrier M114 belonging to the Patton Museum of Cavalry and Armor.

Looking through the open hatch, the stations for the crewmen are visible. The observer was positioned in the right rear of the vehicle; his hatch is obvious in the roof, and his seat faces inward on the floor. The folded passenger jump seat is visible across from the observer's spot. The commander's cupola is in the center of the vehicle's roof, and the driver sat in the front left of the M114. The vehicle's engine compartment is to the driver's right, and a radio would normally be placed on the shelf just to the commander's left. Guards for the suspending torsion bars can be seen running across the floor.

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Armored Command and Reconnaissance Carrier M114 at the Virginia Museum of Military Vehicles.

The observer's position is detailed here. His seat is folded up on this vehicle, and a radio is mounted behind him.

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Armored Command and Reconnaissance Carrier M114 at the Virginia Museum of Military Vehicles.

The observer's hatch was provided with a periscope mount, and the location of a dome light can be seen on the roof in the center of the entryway.

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Armored Command and Reconnaissance Carrier M114.

The observer was provided with two places to install the M142 mount for his M60 machine gun, one at the rear and one on the hull roof's right side. (Picture from TM 9-2320-224-10.)

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Armored Command and Reconnaissance Carrier M114 at the Virginia Museum of Military Vehicles.

The passenger seat is shown here. The mounting point of the rear idler wheel can be seen immediately to the passenger's right, and the vertical support for the commander's seat overlaps the torsion bar guard on the floor.

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Armored Command and Reconnaissance Carrier M114.

The commander's position is shown here. 1. Hatch cover locking assembly. 2. Dome light. 3. Radio equipment. 4. Commander's seat. 5. Height adjustment handle (pull up and with body weight raise or lower seat). 6. Intercom box. 7. Vision block (8). 8. Commander's seat backrest. 9. M13 spare periscope stowage box. (Picture from TM 9-2320-224-10.)

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Armored Command and Reconnaissance Carrier M114 at the Virginia Museum of Military Vehicles.

This interior of the commander's cupola is further illustrated in this image.

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Armored Command and Reconnaissance Carrier M114.

The driver's position is labeled in this picture. 1. M26 periscope. 2. Indicator panel. 3. Steer bar. 4. Fuel sight tube 5. Accessory outlet receptacle. 6. Driver's switch panel. 7. Auxiliary power receptacle. 8. Fuel shut-off valve. 9. Brake pedal. 10. Foot rest. 11. Fixed fire extinguisher. 12. Driver's hatch cover locking lever. 13. Personnel heater control panel. 14. Headlight dimmer switch. 15. Transmission shift lever. 16. Choke control knob. 17. Throttle control knob. 18. Steering selector lever. 19. Engine air cleaner. 20. Parking brake lock. 21. Accelerator pedal. 22. Driver's seat. (Picture from TM 9-2320-224-10.)

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Armored Command and Reconnaissance Carrier M114 belonging to the Patton Museum of Cavalry and Armor.

The driver's position is visible in this view. An infrared periscope M19 could be installed in his hatch for night operations.

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Armored Command and Reconnaissance Carrier M114 belonging to the Patton Museum of Cavalry and Armor.

A closer view of the driver's position is presented here. His seatback is folded forward, and the stowage box for the M19 infrared periscope is nicely labeled. The steering selector lever can be seen to the right of the air cleaner. This allowed the driver to change between geared ("HI" lever position) and clutch-brake ("LO" lever position) steering. Clutch-brake steering was to be used with the transmission shift lever in the "1-2" position, and the vehicle wasn't to be switched to LO steering at speeds above 5mph (8kph) nor driven in LO steering at speeds above 10mph (16kph).

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Armored Command and Reconnaissance Carrier M114.

The process for deploying the surfboard is detailed here. (Picture from TM 9-2320-224-10.)

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Armored Command and Reconnaissance Carrier M114A1.

The new commander's cupola can be contrasted with the type shown in the above images. The machine gun has its travel lock deployed on this vehicle. (Picture from TM 9-2320-224-10.)

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Armored Command and Reconnaissance Carrier M114A1.

The carrier is shown here from the opposite angle. (Picture from TM 9-2320-224-10.)

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Armored Command and Reconnaissance Carrier M114A1.

The commander's station is shown in this picture. 1. Vision block. 2. Electrical control box assembly. 3. Elevating mechanism handle. 4. Gun firing trigger. 5. Elevating mechanism assembly. 6. Commander's seat back rest. 7. Commander's seat. 8. Intercom box. 9. Cupola hatch cover lock handle. 10. Dome light. 11. Traverse mechanism assembly. 12. Traverse mechanism speed shift lever. 13. Traverse mechanism handle. 14. Fixed fire extinguisher instruction plate. (Picture from TM 9-2320-224-10.)

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Armored Command and Reconnaissance Carrier M114.

The new cupola used the turret-type M2HB machine gun, which was equipped with a firing solenoid and a right-hand ammunition feed. The flexible-type M2HB used a left-hand ammunition feed. (Picture from TM 9-2320-224-10.)

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Armored Command and Reconnaissance Carrier M114.

The solenoid installation is shown here, and the commander could select single shot or automatic fire from his control box. The solenoid trigger could also be operated manually in case of a failure of the electrical firing system. (Picture from TM 9-2320-224-10.)

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Armored Command and Reconnaissance Carrier M114.

The sights for the M26 cupola are detailed in this picture. They were used for boresighting, and the gun could be aimed with the sights or via tracers. (Picture from TM 9-2320-224-10.)

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Armored Command and Reconnaissance Carrier M114.

The observer's position is shown here. 1. Electrical connector for gas-particulate filter unit (circuit no. 10). 2. Dome light. 3. Bracket (provided for gas-particulate filter unit M8A3). 4. Binoculars bracket. 5. Personnel heater heat control knob. 6. Personnel heater duct damper handle. 7. M13 spare periscope stowage box. 8. Periscope locking knob. 9. Observer's hatch cover. 10. M13 periscope. 11. Hatch cover locking lever. 12. Personnel heater air inlet grille (crew compartment). 13. Jump seat. 14. M25 spare periscope stowage box. 15. M14 rifle retaining clips. (Picture from TM 9-2320-224-10.)

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Armored Command and Reconnaissance Carrier M114A1 in Elizabethtown, Kentucky.

This vehicle sports some modifications related to testing it underwent as a robotic fighting vehicle, but it allows us to see the M26 cupola fitted to the M114A1. The smoke grenade launchers on the hull and the cameras located on the front hull and the machine gun mount would not be expected on a service vehicle. The modifications were performed by Charles S. Spalding and personnel from the Army Armor and Engineer Board.

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Armored Command and Reconnaissance Carrier M114A1 in Elizabethtown, Kentucky.

The machine gun on this vehicle is a replica, but its position and ammunition tray can be seen. The cupola travel lock points the weapon off to the vehicle's right to allow the driver access to his hatch.

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Armored Command and Reconnaissance Carrier M114A1 in Elizabethtown, Kentucky.

Further details of the machine gun mount can be seen here.

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Armored Command and Reconnaissance Carrier M114A1 in Elizabethtown, Kentucky.

The handle and guard for the fire extinguisher have been painted red. The hinge mechanism for the driver's hatch is at the left of the image.

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Armored Command and Reconnaissance Carrier M114A1 in Elizabethtown, Kentucky.

The catch and spring for the cupola door were mounted on the rear, and the observer's hatch and support can be seen in the foreground.

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Armored Command and Reconnaissance Carrier M114A1.

The cupola with hydraulic controls is sketched here. 1. Traverse mechanism. 2. Electric control box. 3. Elevating mechanism. 4. Hydraulic control assembly. 5. Interrupter valve. 6. Housing assembly (interrupter brake). (Picture from TM 9-2320-224-10.)

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Armored Command and Reconnaissance Carrier M114A1.

The hydraulic system is shown here from the rear. The interrupter valve prevented the cupola from traversing the machine gun over the observer's hatch and machine gun; an override button allowed the resumption of 360° traverse. (Picture from TM 9-2320-224-10.)

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Armored Command and Reconnaissance Carrier M114A1.

The hydraulic system is seen here from the front. 1. Elevating mechanism (upper portion). 2. Elevating control box. 3. Elevating mechanism (lower portion). 4. Hydraulic control assembly (power unit). 5. Interrupter valve. 6. Housing assembly (interrupter brake). 7. Traverse mechanism. (Picture from TM 9-2320-224-10.)

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Armored Command and Reconnaissance Carrier M114A1.

The cupola controls are detailed in this picture. 1. Cupola power switch. 2. Armament control switch. 3. Manual pump handle. 4. Handle control assembly. 5. Interrupter valve. 6. Reservoir level sight gage. 7. Firing trigger. 8. Magnetic brake switch. 9. Traverse mechanism brake handle. (Picture from TM 9-2320-224-10.)

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Armored Command and Reconnaissance Carrier M114A1.

Two additional batteries were added in the engine compartment to supply the electric power needed for the hydraulic system. (Picture from TM 9-2320-224-10.)

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Armored Command and Reconnaissance Carrier M114A1E1.

The 20mm gun makes a striking contrast to the machine guns on the vehicles above. The black cylinder on the gun mount in front of the commander of the near vehicle is an AN/TVS-2 passive night sight. (Picture taken 1 Sep 1975; available from the National Archives.)

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Last updated 4 Sep 2021.
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© Copyright 2002-21 Chris Conners