Canada's 25 pdr. Sexton self propelled gun

Photos

25 pdr Sexton self propelled gun:
Canada's 25 pdr Sexton self propelled gun
25 pdr Sexton self propelled gun:
Canada's 25 pdr Sexton self propelled gun

Design

Based on the needs of the British Purchasing Commission the Ram tanks that were being produced were altered to take a 25 pdr.4 Was very similar to the US M7 Priests.

Early vehicles had welded superstructure. Later models had cast nose, towing hook for ammo trailer, auxiliary generator, and mounts for antiaircraft machine guns.

Fighting Compartment

There was a hatch on the left side for loading ammunition. The fighting compartment could be covered with a canvas. The gun was installed in a special cradle.

Crew

The driver was placed on right and gun was offset to the left.

Production

  • Sexton: 2,1501,4
    • Production: 1943 - 19451
    • Manufacturer: Montreal Locomotive

Variants

  • Sexton:
  • Sexton GPO: Late 1943 gun was removed and extra radios, map tables, telephone cables, and Tannoy unit were added for gun position officers of Sexton batteries. 4

Usage

It was used almost exclusively for artillery support of armored divisions.4

Northwest Europe

The Sexton was primarily used in Northwest Europe from 1944 to 1945.4

After World War II

The Sextons were still being used by the British Army in the 1950s and even in some countries until the late 1990s.4

Specifications

  Sexton
Crew Commander, driver, gunner, gun layer, loader, radio operator.2
61,2,3,4
Physical Characteristics  
Weight 55,660 lb4, 57,000 lb2,3
25,300 kg4, 25,855 kg1,3
25.45 tons1
Length 20' 1"1,2,3,4
6.12 m3,4, 6.121 m1
Height 8'1,2,3,4
2.438 m1, 2.44 m3,4
Width 8' 11"1,2,4, 9'2
2.717 m1, 2.72 m3,4
Ground clearance 1' 5"
Ground contact length  
Ground pressure  
Armament  
Main 25 pdr (87.1 mm)1
25 pdr howitzer3,4
25 pdr howitzer Mk II2
Secondary  
MG 2: 7.7 mm (.303 cal) Bren MG1,2
2: .303" Bren MG4
1: Browning MG4
MG - antiaircraft 2: .303" Bren MG2
Side arms  
Quantity  
Main 1051
87: HE2,4
18: AP4
25: AP2
Secondary  
MG 50 gun magazines.2 (1,500 rounds)
Side arms  
Armor Thickness (mm) 122, 251,2, 324
Hull Front, Upper  
Hull Front, Lower  
Hull Sides, Upper  
Hull Sides, Lower  
Hull Rear  
Hull Top  
Hull Bottom  
Engine (Make / Model) Wright Continental R-975-C11
Continental R-9752
Continental3
Cooling Air1,2
Cylinders Radial1,2, Radial 93,4
Net HP 4003,4
Transmission (type)  
Fuel (type)  
Octane  
Capacity  
Performance  
Traverse 25° left1,2, 15° right1,2
Speed - Road 25 mph1,2,3,4
40.2 kph3,4, 40.23 kph1
Speed - Cross Country 20 mph2
Range - Road 125-140 miles2, 180 miles1,3,4
290 km1,3,4
Turning Radius  
Elevation Limits +40° to -9°1,2
Fording depth 3' 4"3,4, 3' 6"2
1.01 m3,4
Trench crossing 6' 3"4, 7' 5"2
1.91 m4
Vertical Obstacle 2'2,4
0.61 m4
Suspension (Type) Vertical volute.2
Wheels each side 6
Return rollers each side 3
Track length  
Tires  
Track width 15.5"2
American tracks: 16.5"2
Track centers/tread 6' 11"2

Sources:

  1. The Encyclopedia of Tanks and Armored Fighting Vehicles - The Comprehensive Guide to Over 900 Armored Fighting Vehicles From 1915 to the Present Day, General Editor: Christopher F. Foss, 2002
  2. British and American Tanks of World War Two, The Complete Illustrated History of British, American, and Commonwealth Tanks 1933-1945, Peter Chamberlain and Chris Ellis, 1969
  3. The Encyclopedia of Weapons of World War II, Chris Bishop, 1998
  4. Armored Fighting Vehicles, 300 of the World's Greatest Military Vehicles, Philip Trewhitt, 1999
20th Century American Military History Crucial Site

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