Light Armored Vehicle, Mortar1-3

LAV-M: General
Date of first acceptance 1985 Total acceptances 50
Manufacturer General Motors Canada Crew
5 men:
  • Commander in hull left front
  • Driver in hull left front
  • 3 mortar crewmen in hull right rear
LAV-M: Dimensions
Combat weight 26,720lbs
12,120kg
Height 84.3"
214cm
Length 251.6"
639.1cm
Width 98.4"
250cm
Tread Front: 85.8"
Rear: 86.8"
Front: 218cm
Rear: 220cm
Wheelbase Front to 2nd axle: 43.3"
Front to 3rd axle: 95.9"
Front to rear axle: 136.8"
Front to 2nd axle: 110cm
Front to 3rd axle: 244cm
Front to rear axle: 347.5cm
Ground clearance 14.9"
37.8cm
LAV-M: Armament
Type Mount Ammunition Traverse Elevation
81mm Mortar M252 Mount in hull center 90 360°
(manual)
Manual
7.62mm M60 or M240E1 MG Flexible in pintle mount 1000 rounds Manual Manual
Night vision
Image intensifying periscope for driver and commander
LAV-M: Armor
Assembly
Welding
Hull
Rolled hard homogeneous steel
LAV-M: Automotive
Engine General Motors 6V53T; 6 cylinder, 2 cycle, vee, supercharged diesel
Horsepower Gross: 275@2800rpm Torque Gross: 586 ft-lb@2000rpm Fuel capacity 71gal
270L
Transmission Allison MT653, 5 speeds forward, 1 reverse
Steering Steering wheel
Brakes Pneumatic-hydraulic
LAV-M: Suspension
Type Road wheels Shock absorbers
Front 2 axles: Independent coil spring
Rear 2 axles: Torsion bar
4/side On each wheel
LAV-M: Performance
Max level road speed 62mph
100kph
Max water speed 6.5mph
10kph
Max trench 68.4"
165cm
Max grade 60%
Max vertical obstacle 19.7"
50.0cm
Min turning diameter 50.8'
15.5m
Max fording depth Floats Cruising range ~400mi, roads
~640km, roads

The LAV-M was the LAV-25 with its 25mm gun turret replaced by a mount for the 81mm mortar. A three-section folding cover was installed over the mortar to permit firing from the vehicle. The commander was moved to a cupola directly behind the driver, and the machine gun was mounted at the commander's station. The smoke grenade launchers were attached to the hull roof since there was no longer a turret. The mortar crew was provided with a bench along the right side of the fighting compartment, and mortar ammunition was stowed along the opposite side of the rear compartment. The fuel tank was relocated from under the rear floor in the LAV-25 to the left side of the rear compartment.

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References

  1. Hunnicutt, R.P. Armored Car: A History of American Wheeled Combat Vehicles. Novato, CA: Presidio Press, 2002. Reprinted from Armored Car, R.P. Hunnicutt ©2002, available from Presidio Press, 505B San Martin Drive, Suite 160, Novato, CA 94945.
  2. Estes, Kenneth W. Marines Under Armor. Annapolis, MD: Naval Institute Press, 2000.
  3. Hogg, Ian V. The Greenhill Armoured Fighting Vehicles Data Book. London: Greenhill Books, 2000.

Last updated 11 Dec 2012.
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© Copyright 2012 Chris Conners