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M548
M548A1

Cargo Carrier M5481-3

M548: General
Manufacturer FMC Corp. Crew
4 men:
  • Driver in cab left front
  • 3 passengers in cab
M548: Dimensions
Combat weight 27,480lbs
12,460kg
Height over canopy bows 105.5"
268.0cm
Length 232"
589cm
Width over track shrouds 105.75"
268.61cm
Tread 85.0"
216cm
Ground clearance 16"
41cm
Ground pressure, zero penetration 8.6psi
.60kg/cm²
M548: Armament
Type Mount Ammunition Traverse Elevation
.50cal M2HB MG M49A1 or M66 ring mount above cab 600 rounds 360°
(manual)
Manual
M548: Armor
None
M548: Automotive
Engine General Motors 6V53; 6 cylinder, 2 cycle, vee diesel
Horsepower Gross: 212@2800rpm Torque Gross: 492 ft-lb@1300rpm Fuel capacity 105gal
397L
Transmission Allison TX-100, 3 ranges forward, 1 reverse
Steering DS200 controlled differential, steering levers
Brakes Differential band
M548: Suspension
Type Road wheels Track return rollers
Torsion bar 5 individually sprung dual/track Flat track
Drive sprockets Idlers Shock absorbers
10-tooth front drive Dual adjustable at rear of track On first and last road wheels/track
M548: Track
T130E1
Center guide, single pin, steel with detachable rubber pad
Width 15"
38cm
Pitch 6"
15cm
Shoes/track Left side: 63
Right side: 64
Ground contact length 111"
282cm
M548: Performance
Max level road speed 38mph
61kph
Max water speed 3.5mph
5.6kph
Max fording depth Floats Cruising range ~300mi, roads
~480km, roads

The M548 was based on the M113A1 APC, utilizing its drivetrain and running gear. The vehicle was constructed from 5083 aluminum, and the inner dimensions of the bed were 130.625" (331.788cm) long by 63.75" (161.9cm) wide. It was possible to elevate the floor of the bed to the height of the side sponsons, making the bed 96.5" (245cm) wide. Its payload capacity was 12,000lbs (5400kg), and a 20,000lb (9000kg) winch was mounted at the front of the hull. When used as an ammunition vehicle for self-propelled artillery, the M548 could hold 36 175mm or 8" rounds with the driver and 7 other men; 200 105mm rounds with the driver; and 80 155mm rounds with the driver and 3 other men.

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Cargo Carrier M548A11,3-5

M548A1: General
Date of first acceptance 1982
Manufacturer FMC Corp. Crew
4 men:
  • Driver in cab left front
  • 3 passengers in cab
M548A1: Dimensions
Combat weight 28,300lbs
12,800kg
Height over canopy bows 110.75"
281.31cm
Length 232"
589cm
Width over track shrouds 105.75"
268.61cm
Tread 85.0"
216cm
Ground clearance 17.1"
43.4cm
Ground pressure, zero penetration 8.5psi
.60kg/cm²
M548A1: Armament
Type Mount Ammunition Traverse Elevation
.50cal M2HB MG M49A1 or M66 ring mount above cab 600 rounds 360°
(manual)
Manual
M548A1: Armor
None
M548A1: Automotive
Engine General Motors 6V53; 6 cylinder, 2 cycle, vee diesel
Horsepower Gross: 212@2800rpm Torque Gross: 492 ft-lb@1300rpm Fuel capacity 105gal
397L
Transmission Allison TX-100, 3 ranges forward, 1 reverse
Steering DS200 controlled differential, steering levers
Brakes Differential band
M548A1: Suspension
Type Road wheels Track return rollers
Torsion bar 5 individually sprung dual/track Flat track
Drive sprockets Idlers Shock absorbers
10-tooth front drive Dual adjustable at rear of track On first 2 and last 2 road wheels/track
M548A1: Track
T130E1
Center guide, single pin, steel with detachable rubber pad
Width 15"
38cm
Pitch 6"
15cm
Shoes/track Left side: 63
Right side: 64
Ground contact length 111"
282cm
M548A1: Performance
Max level road speed 35mph
56kph
Max trench 66"
170cm
Max grade 60% Max vertical obstacle 24"
61cm
Min turning diameter 28'
8.5m
Max fording depth 40"
100cm
Cruising range ~300mi, roads
~480km, roads

The M548A1 utilized the engine and suspension improvements found in the M113A2. M548s were newly-constructed and rebuilt from M548s.

In 1994, M548A1s began to be rebuilt into M548A3s with the RISE enhancements of the M113A3.

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References

  1. Hunnicutt, R.P. Bradley: A History of American Fighting and Support Vehicles. Navato, CA: Presidio Press, 1999. Reprinted with permission from Bradley, R.P. Hunnicutt ©1999, available from Presidio Press, 505B San Martin Drive, Suite 160, Navato, CA 94945.
  2. TM 55-2350-224-14 Transport Guidance M113 Family of Vehicles (M113A2, M113A3, M106A2, M125A2, M548A1, M577A2, M667, M730A2, M741A1, M901A1, M981, M1015A1, M1059, M1064, AND M1068). Washington, DC: Dept. of the Army, 1 Feb 1993.
  3. Crismon, Fred W. U.S. Military Tracked Vehicles. Osceola, WI: Motorbooks International, 1992.
  4. TM 43-0001-31 Operator's Equipment Data Sheets for TACOM Combat and Tactical Equipment: Equipment Class 1450, 2310, 2320, 2330, 2350. Washington, DC: Dept. of the Army, 10 Jun 1985.
  5. "M548A3 Cargo Carrier." GlobalSecurity.org. 7 Jul 2011. 25 Oct 2016 <http://www.globalsecurity.org/military/systems/ground/m548.htm>.

Last updated 25 Oct 2016.
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