M40/M43

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M40/M43

Icon
USA SPG Tier VIII
Battle Tiers
123456789101112
Totals
Cost 2,700,000  Credits
Hit Points 400400 HP
Weight Limit 36.69/3736.69/37 t
Crew
Commander
Driver
Gunner
Radio Operator
Loader
Loader
Mobility
Engine Power 400500 hp
Speed Limit 38.6/10 km/h
Traverse 2022 deg/s
Power/Wt Ratio 10.910.9 hp/t
Pivot YesYes
Armor
Hull Armor 108/25/12 mm
Armament
Damage 938-15631388-2313 HP
Penetration 66-11077-128 mm
Rate of Fire
1.82100% crew: 1.9 rpm
+ BiA : 1.94 rpm
+ Food: 2.02 rpm
1.23100% crew: 1.28 rpm
+ BiA : 1.31 rpm
+ Food: 1.37 rpm
r/m
Accuracy
0.72100% crew: 0.69 m
+ BiA : 0.67 m
+ Food: 0.65 m
0.86100% crew: 0.82 m
+ BiA : 0.8 m
+ Food: 0.77 m
m
Aim time
6.5100% crew: 6.23 s
+ BiA : 6.08 s
+ Food: 5.85 s
7.5100% crew: 7.19 s
+ BiA : 7.02 s
+ Food: 6.75 s
s
Gun Traverse Speed
10100% crew: ? deg/s
+ BiA : ? deg/s
+ Food: ? deg/s
10100% crew: ? deg/s
+ BiA : ? deg/s
+ Food: ? deg/s
deg/s
Gun Arc -18°/+18°
Elevation Arc -5°/+45°-5°/+45°
Ammo Capacity 3016 rounds
General
Chance of Fire 2020 %
View Range
380100% crew: 380 m
+ BiA : ? m
+ Food: ? m
380100% crew: 380 m
+ BiA : ? m
+ Food: ? m
m
Signal Range
325100% crew: 338.93 m
+ BiA : 346.59 m
+ Food: 361.91 m
750100% crew: 782.14 m
+ BiA : 799.82 m
+ Food: 835.18 m
m
Parent Contour-USA-M12.png
Child
Contour-USA-M53 55.png200,000 XP
Research
RT-USA-M40 M43.jpg
Values are Stock - click for Top
USA-M40M43.png

The M40/M43 is an American tier 8 self-propelled gun.

The M40 became the most powerful Allied SPG of WWII. The M40 fought in the battle for Cologne in 1945. Both the M40 and M43 were used during the Korean War.

The M40/M43 SPG was built on a widened and lengthened M4A3 medium tank chassis. The vehicle is designated as the M40 Gun Motor Carriage in a version that mounts the 155mm M1A1 "Long Tom" gun. The version that mounts the 8-inch (203mm) Howitzer is designated the M43 Howitzer Motor Carriage.

The M40/M43 leads to the M53/M55.


















Modules

Gun
TierNameAmmoDamagePenetrationShell PriceRate of FireAccuracyAim TimeElevationXP CostPriceWeight
07VII 155 mm Gun M1A1 30 1250/1250 HP 88/90 mm 1,120 Credits/13 Gold
1.82100% crew: 1.9 rpm
+ BiA : 1.94 rpm
+ Food: 2.02 rpm
r/m
0.72100% crew: 0.69 m
+ BiA : 0.67 m
+ Food: 0.65 m
m
6.5100% crew: 6.23 s
+ BiA : 6.08 s
+ Food: 5.85 s
s
-5°/+45° --- 96,50096,500 Credits 4,352 4,352 kg
08VIII 8-inch Howitzer M1 16 1850/1450/1850 HP 102/241/102 mm 1,388 Credits/1,092 Credits/15 Gold
1.23100% crew: 1.28 rpm
+ BiA : 1.31 rpm
+ Food: 1.37 rpm
r/m
0.86100% crew: 0.82 m
+ BiA : 0.8 m
+ Food: 0.77 m
m
7.5100% crew: 7.19 s
+ BiA : 7.02 s
+ Food: 6.75 s
s
-5°/+45° 21,000 150,000150,000 Credits 4,645 4,645 kg

Engine
TierNamePowerFire ChanceTypeXP CostPriceWeight
04IV Wright Continental R-975C1 0400 400 hp 020 20 % Gasoline --- 11,00011,000 Credits 0549 549 kg
05V Wright Continental R-975C4 0460 460 hp 020 20 % Gasoline 1,500 13,90013,900 Credits 0549 549 kg
06VI Ford GAA early 0500 500 hp 020 20 % Gasoline 5,100 29,00029,000 Credits 0708 708 kg

Suspension
TierNameLoad LimitTraverse SpeedXP CostPriceWeight
07VII M40 003737 t 02020 d/s ------ 19,07019,070 Credits 15,000 15,000 kg
08VIII M43 39.539.5 t 02222 d/s 16,30016,300 32,00032,000 Credits 15,000 15,000 kg

Radio
TierNameRangeXP CostPriceWeight
04IV SCR 510
325100% crew: 338.93 m
+ BiA : 346.59 m
+ Food: 361.91 m
325100% crew: 338.93 m
+ BiA : 346.59 m
+ Food: 361.91 m
m
0--- --- 1,9801,980 Credits 0080 80 kg
06VI SCR 610
420100% crew: 438 m
+ BiA : 447.9 m
+ Food: 467.7 m
420100% crew: 438 m
+ BiA : 447.9 m
+ Food: 467.7 m
m
1,480 1,480 24,60024,600 Credits 0100 100 kg
10X SCR 619
750100% crew: 782.14 m
+ BiA : 799.82 m
+ Food: 835.18 m
750100% crew: 782.14 m
+ BiA : 799.82 m
+ Food: 835.18 m
m
9,000 9,000 54,00054,000 Credits 0080 80 kg

Historical Info

M40 in the US Army Ordnance Museum

The 155 mm Gun Motor Carriage M40 was a US self-propelled artillery vehicle built on a widened and lengthened Medium Tank M4A3 chassis, but with a Continental engine and HVSS (Horizontal Volute Spring Suspension) that was introduced at the end of the Second World War. Equipped with a 155 mm M2 gun, it was designed to replace the earlier M12 Gun Motor Carriage. Its prototype designation was the T83, but this was changed to the M40 in March 1945.

A single pilot vehicle was used in the European Theatre in 1945 by the 991st Field Artillery Battalion, along with a related 8-inch Howitzer Motor Carriage T89, which was sometimes also equipped with a 155 mm barrel.[1] From there, it was deployed during the Korean War.

After World War II, the M40 was used by the British Army, who designated it the 155mm SP M40.


A version on the same chassis mounted an 8-inch (203 mm) howitzer and was designated the M43 Howitzer Motor Carriage. It was standardized in August 1945, 48 were built. The M43 saw action in the Korean War.

Variants

The Army planned to use the same T38 chassis for a family of SP artillery:

  • Cargo Carrier T30- a few built before cancellation in December 1944 to make more chassis' available for GMCs.
  • 8 inch Howitzer Motor Carriage M43- 8 in (203 mm) HMC, standardized August 1945, 48 were built.


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