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M36
M36B1
M36B2


90mm Gun Motor Carriage M361-6
M36: General
Date of first acceptance April 1944 Total acceptances 1413
Manufacturers
  • Fisher Tank Arsenal
  • Massey Harris Co.
  • American Locomotive Co.
  • Montreal Locomotive Works
Crew
5 men:
  • Commander in turret right rear
  • Gunner in turret right front
  • Loader in turret left
  • Driver in hull left front
  • Assistant driver in hull right front
M36: Dimensions
Combat weight 63,000lbs
29,000kg
Height over AAMG 129"
328cm
Length without gun 235.1"
597.2cm
Gun overhang forward without muzzle brake 58.8"
149cm
Width 120"
305cm
Tread 83"
211cm
Ground clearance 17"
43cm
Fire height 85"
220cm
Turret ring diameter 69"
175cm
Ground pressure, zero penetration 12.9psi
.906kg/cm²
M36: Armament
Type Mount Ammunition Traverse Max traverse rate Elevation
90mm Gun M3 M4 in turret 47 rounds
(11 ready)
360°
(manual and hydraulic)
24°/sec +20° to -10°
(manual)
.50cal M2HB MG Flexible in turret AA mount 1000 rounds 360°
(manual)
-- Manual
M36: Armor
Assembly
Welding
Hull
Rolled and cast homogeneous steel
Location Thickness Angle from vertical
Upper front 1.5"
3.8cm
55°
Lower front 2.0"
5.1cm
0° to 56°
Upper sides .75"
1.9cm
38°
Lower sides 1.0"
2.5cm
Upper rear .75"
1.9cm
38°
Lower rear 1.0"
2.5cm
Front top .75"
1.9cm
90°
Rear top .375"
.953cm
90°
Floor .50"
1.3cm
90°
Turret
Rolled and cast homogeneous steel
Location Thickness Angle from vertical
Front (gun shield) 3.0"
7.6cm
Sides 1.25"
3.18cm
Rear 1.75" to 5.0"
4.45cm to 13cm
Top .375" to 1.0"
.953cm to 2.5cm
90°
M36: Automotive
Engine Ford GAA; 8 cylinder, 4 cycle, 60 vee gasoline
Horsepower Net: 450@2600rpm
Gross: 500@2600rpm
Torque Net: 950 ft-lb@2200rpm
Gross: 1040 ft-lb@2200rpm
Fuel capacity 192gal
727L
Transmission Synchromesh, 5 speeds forward, 1 reverse
Steering Controlled differential, steering levers
Brakes Mechanical, external contracting
M36: Suspension
Type Road wheels Track return rollers
Vertical volute spring 3 bogies/track;
2 wheels/bogie
1 at rear of each bogie
Drive sprockets Idlers Shock absorbers
13-tooth front drive Adjustable at rear of track None
M36: Track
T48
Outside guide, double pin, chevron, rubber
Width 16.56"
42.06cm
Pitch 6"
15cm
Shoes/track 79 Ground contact length 147"
373cm
T49
Outside guide, double pin, parallel bar, steel
Width 16.56"
42.06cm
Pitch 6"
15cm
Shoes/track 79 Ground contact length 147"
373cm
T51
Outside guide, double pin, smooth, rubber
Width 16.56"
42.06cm
Pitch 6"
15cm
Shoes/track 79 Ground contact length 147"
373cm
T54E1
Outside guide, double pin, chevron, steel
Width 16.56"
42.06cm
Pitch 6"
15cm
Shoes/track 79 Ground contact length 147"
373cm
M36: Performance
Max level road speed 26mph
42kph
Max trench 90"
230cm
Max grade 60% Max vertical obstacle 24"
61cm
Min turning diameter 62'
19m
Max fording depth 36"
91cm
Cruising range ~150mi, roads
~240km, roads


The 90mm GMC M36 was completed by installing a new turret on the hull of the 3" GMC M10A1; both new production hulls and M10A1s returning from the field were converted. Muzzle brakes were able to be fitted to all M36s except the first 600, since these early vehicles lacked the new equilibrator, stronger elevation mechanism, and stronger gun travel lock that were prerequisites for muzzle brake installation. Like other US tank destroyers, the M36 was open-topped, but a folding armored roof kit was developed to protect the crew from artillery airbursts. The kit still allowed 360° visibility, however, since it was elevated a short distance from the top of the turret.

The M36 had a large bustle on the turret rear that acted both as a counterweight to the 90mm gun as well as holding eleven 90mm ready rounds. The gun shield on the M36 was rounded, compared to the more pointed appearance of the M10's gun shield. Due to the high ground pressure, later M36s were fitted with the spaced-out suspension that was tested in the -E9 series of M4 Sherman which allowed extended end connectors to be attached to both the inside and outside of each track.


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90mm Gun Motor Carriage M36B11-5,7
M36B1: General
Date of first acceptance October 1944 Total acceptances 187
Manufacturer Fisher Tank Arsenal Crew
5 men:
  • Commander in turret right rear
  • Gunner in turret right front
  • Loader in turret left
  • Driver in hull left front
  • Assistant driver in hull right front
M36B1: Dimensions*
Loaded weight ~68,000lbs
~31,000kg
Height over-all 104.625"
265.746cm
Length over-all with gun in firing position 294.5"
748.0cm
Length over-all with gun in traveling position 286"
726cm
Width with sandshields 104.5"
265.4cm
Tread 83"
211cm
Ground clearance 17.125"
43.498cm
Turret ring diameter 69"
175cm
M36B1: Armament
Type Mount Traverse Ammunition Max traverse rate Elevation
90mm Gun M3 M4 in turret 47 rounds
(11 ready)
360°
(manual and hydraulic)
24°/sec +30° to -10°
(manual)
.50cal M2HB MG Flexible in turret AA mount 1000 rounds 360°
(manual)
-- Manual
.30cal M1919A4 MG Ball mount in right bow 2000 rounds 20° left, 25° right
(manual)
-- +20° to -10°
(manual)
M36B1: Armor
Assembly
Welding
Hull
Rolled and cast homogeneous steel
Location Thickness Angle from vertical
Upper front 2.5"
6.4cm
47°
Lower front 4.25" to 2.0"
10.8cm to 5.1cm
0° to 56°
Sides 1.5"
3.8cm
Rear 1.5"
3.8cm
10° to 22°
Top .75"
1.9cm
83° to 90°
Front floor 1.0"
2.5cm
90°
Rear floor .50"
1.3cm
90°
Turret
Rolled and cast homogeneous steel
Location Thickness Angle from vertical
Front (gun shield) 3.0"
7.6cm
Sides 1.25"
3.18cm
Rear 1.75" to 5.0"
4.45cm to 13cm
Top .375" to 1.0"
.953cm to 2.5cm
90°
M36B1: Automotive
Engine Ford GAA; 8 cylinder, 4 cycle, 60 vee gasoline
Horsepower Net: 450@2600rpm
Gross: 500@2600rpm
Torque Net: 950 ft-lb@2200rpm
Gross: 1040 ft-lb@2200rpm
Fuel capacity 168gal
636L
Transmission Synchromesh, 5 speeds forward, 1 reverse
Steering Controlled differential, steering levers
Brakes Mechanical, external contracting
M36B1: Suspension
Type Road wheels Track return rollers
Vertical volute spring 3 bogies/track;
2 wheels/bogie
1 at rear of each bogie
Drive sprockets Idlers Shock absorbers
13-tooth front drive Adjustable at rear of track None
M36B1: Track
T48
Outside guide, double pin, chevron, rubber
Width 16.56"
42.06cm
Pitch 6"
15cm
Shoes/track 79 Ground contact length 147"
373cm
T49
Outside guide, double pin, parallel bar, steel
Width 16.56"
42.06cm
Pitch 6"
15cm
Shoes/track 79 Ground contact length 147"
373cm
T51
Outside guide, double pin, smooth, rubber
Width 16.56"
42.06cm
Pitch 6"
15cm
Shoes/track 79 Ground contact length 147"
373cm
T54E1
Outside guide, double pin, chevron, steel
Width 16.56"
42.06cm
Pitch 6"
15cm
Shoes/track 79 Ground contact length 147"
373cm
M36B1: Performance
Max level road speed 26mph sustained
42kph sustained
Max trench 90"
230cm
Max grade 60% Max vertical obstacle 24"
61cm
Min turning diameter 62'
19m
Max fording depth 36"
91cm
Cruising range ~100mi, roads
~160km, roads


The M36B1 was constructed by mating the 90mm M36 gun turret with the hull of the late-production M4A3 Sherman. Internal stowage was rearranged to accomodate the larger 90mm rounds, and contrary to other tank destroyers the bow machine gun was retained.

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90mm Gun Motor Carriage M36B21-5,8
M36B2: General
Date of first acceptance May 1945 Total acceptances 724
Manufacturer
  • American Locomotive Co.
  • Montreal Locomotive Works
Crew
5 men:
  • Commander in turret right rear
  • Gunner in turret right front
  • Loader in turret left
  • Driver in hull left front
  • Assistant driver in hull right front
M36B2: Dimensions*
Fighting weight 66,000lbs
30,000kg
Height over-all 123.6875"
314.1663cm
Length over-all 293.875"
746.443cm
Width with sandshields 120"
305cm
Tread 91"
230cm
Ground clearance 18.375"
46.673cm
Turret ring diameter 69"
175cm
Ground pressure, zero penetration 15psi
1.1kg/cm²
M36B2: Armament
Type Mount Traverse Max traverse rate Elevation
90mm Gun M3 M4 in turret 360°
(manual and hydraulic)
24°/sec +20° to -10°
(manual)
.50cal M2HB MG Flexible in turret AA mount 360°
(manual)
-- Manual
M36B2: Armor
Assembly
Welding
Hull
Rolled and cast homogeneous steel
Location Thickness Angle from vertical
Upper front 1.5"
3.8cm
55°
Lower front 2.0"
5.1cm
0° to 56°
Upper sides .75"
1.9cm
38°
Lower sides 1.0"
2.5cm
Upper rear .75"
1.9cm
38°
Lower rear 1.0"
2.5cm
Front top .75"
1.9cm
90°
Rear top .375"
.953cm
90°
Floor .50"
1.3cm
90°
Turret
Rolled and cast homogeneous steel
Location Thickness Angle from vertical
Front (gun shield) 3.0"
7.6cm
Sides 1.25"
3.18cm
Rear 1.75" to 5.0"
4.45cm to 13cm
Top .375" to 1.0"
.953cm to 2.5cm
90°
M36B2: Automotive
Engine General Motors 6046; 12 cylinder (6/engine), 2 cycle, twin in-line diesel
Horsepower Net: 375@2100 crankshaft rpm
(188/engine)
Gross: 410@2900 propellor shaft rpm
(205/engine)
Torque Net: 1000 ft-lb@1400 crankshaft rpm
(500/engine)
Gross: 885 ft-lb@1900 propellor shaft rpm
(443/engine)
Fuel capacity 165gal
625L
Transmission Synchromesh, 5 speeds forward, 1 reverse
Steering Controlled differential, steering levers
Brakes Mechanical, external contracting
M36B2: Suspension
Type Road wheels Track return rollers
Vertical volute spring 3 bogies/track;
2 wheels/bogie
1 at rear of each bogie
Drive sprockets Idlers Shock absorbers
13-tooth front drive Adjustable at rear of track None
M36B2: Track
T48
Outside guide, double pin, chevron, rubber
Width 16.56"
42.06cm
Pitch 6"
15cm
Shoes/track 79 Ground contact length 147"
373cm
T49
Outside guide, double pin, parallel bar, steel
Width 16.56"
42.06cm
Pitch 6"
15cm
Shoes/track 79 Ground contact length 147"
373cm
T51
Outside guide, double pin, smooth, rubber
Width 16.56"
42.06cm
Pitch 6"
15cm
Shoes/track 79 Ground contact length 147"
373cm
T54E1
Outside guide, double pin, chevron, steel
Width 16.56"
42.06cm
Pitch 6"
15cm
Shoes/track 79 Ground contact length 147"
373cm
M36B2: Performance
Max level road speed 25mph sustained
40kph sustained
Max trench 90"
230cm
Max grade 50% Max vertical obstacle 19"
48cm
Min turning diameter 62'
19m
Max fording depth 42"
110cm


Eventually supplies of M10A1 hulls were used up, so diesel-powered M10 hulls were coverted to the 90mm turret, yielding M36B2.

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References

  1. Hunnicutt, R.P. Sherman: A History of the American Medium Tank. Navato, CA: Presidio Press, 1994.
    Reprinted with permission from Sherman, R.P. Hunnicutt ©1994, available from Presidio Press, 505B San Martin Drive, Suite 160, Navato, CA 94945.

  2. TM 9-374 90-mm Gun M3 Mounted in Combat Vehicles. Washington, DC: War Department, 11 September 1944.

  3. Chamberlain, Peter, and Chris Ellis. British and American Tanks of World War Two. Frome, England: Cassell & Co., 2000.

  4. Siemers, Cary. "USA's M36, M36B1, M36B2 Tank Destroyers." World War II Tanks & Vehicles and Advanced Squad Leader. 26 Jan 2001. 7 Feb 2001 <http://www.shadowsfolly.com/WWII/USA/M36TD.htm>.

  5. Zuljan, Ralph. "M36 Tank Destroyer." Second World War Armor. 16 Mar 2000. 7 Feb 2001 <http://www.onwar.com/tanks/usa/fm36.htm>. Second World War Armor

  6. Teo, Terence. "M36 Jackson page." E-mail to the author. 23 Nov 2010.

  7. TM 9-748 90-mm Gun Motor Carriage M36B1. Washington, DC: War Department, 20 January 1945.

  8. TM 9-745 90-mm Gun Motor Carriage M36B2. Washington, DC: War Department, 28 July 1945.

*Dimensional and performance information for the M36 was reprinted with permission from Hunnicutt's Sherman, while that for the M36B1 and M36B2 came from their respective technical manuals. Any inconsistencies should presumably simply be chalked up to differences in source data and not to actual differences in production.


Last updated 3 Jan 2016.

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© Copyright 2001-16 Chris Conners