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T40

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T40

T40_render_1.jpg
Battle Tier
1234567891011
Overview
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Well, the ones further down, of course.
" for more information
[Client Values; Actual values in
Specifically, the mismatch in crew values caused by commander's 10% crew skill bonus. Outside of a crew of 1 commander only, 100% crew is a fiction. The client values, given for 100% crew, will normally be taken into battle with 110% crew skill members aside from specific functions, causing their actual performance to deviate from the expected client value. These differences are taken into account in tooltip boxes.
]
125,000  Credits Cost
275275 HP Hit Points
20.31/22.521.87/24 t Weight Limit
Crew
  1. Commander (Radio Operator)
  2. Gunner
  3. Driver
  4. Loader
  5. Loader
Mobility
400440 hp Engine Power
38/14 km/h Speed Limit
3032 deg/s Traverse
19.6920.12 hp/t Power/Wt Ratio
YesYes Pivot
Armor
51/38/38 mm Hull Armor
Armament







{{#ifeq:HOLLOW_CHARGE|ARMOR_PIERCING||



{{#ifeq:|ARMOR_PIERCING||


HE/HEAT







{{#ifeq:ARMOR_PIERCING_CR|ARMOR_PIERCING||



{{#ifeq:HIGH_EXPLOSIVE|ARMOR_PIERCING||


AP/APCR/HE
Shells




















56/2800




















96/2800/68
Shell Cost
175/110/115/115/185 HP Damage
38/91.4/128/177/38 mm Penetration



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16.22 r/m 

Standard Gun

Reload Times
Nominal: 3.7 s
50% Crew: 4.58 s
75% Crew: 4 s
100% Crew: 3.55 s
Rammer: 3.2 s
Vents: 3.47 s
Both: 3.12 s
Both and BiA: 3.06 s
Both and Max Crew %: 2.93 s

See Crew, Consumables, or Equipment for more information.



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16.22 r/m 

Standard Gun

Reload Times
Nominal: 3.7 s
50% Crew: 4.58 s
75% Crew: 4 s
100% Crew: 3.55 s
Rammer: 3.2 s
Vents: 3.47 s
Both: 3.12 s
Both and BiA: 3.06 s
Both and Max Crew %: 2.93 s

See Crew, Consumables, or Equipment for more information.
Rate of Fire






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2136.75

Standard Gun

Using Shell Type 1 (175 Damage):
With wholly penetrating hits

Theoretical Damage Per Minute
Nominal DPM: 2136.75
50% Crew: 1725.5
75% Crew: 1975.75
100% Crew: 2227.75
100% Crew
Vents: 2278.5
Rammer: 2474.5
Both: 2530.5
Both and BiA: 2586.5
Both and Max Crew %: 2698.5

Advantageous Damage Per Minute
First-shot DPM: 2311.75
50% Crew: 1900.5
75% Crew: 2150.75
100% Crew: 2402.75
100% Crew
Rammer: 2649.5
Vents: 2453.5
Both: 2705.5
Both and BiA: 2761.5
Both and Max Crew %: 2873.5

See here, here, or here for more information.

Standard Gun

Using Shell Type 2 (110 Damage):


Theoretical Damage Per Minute
Nominal DPM: 1343.1
50% Crew: 1084.6
75% Crew: 1241.9
100% Crew: 1400.3
100% Crew
Vents: 1432.2
Rammer: 1555.4
Both: 1590.6
Both and BiA: 1625.8
Both and Max Crew %: 1696.2

Advantageous Damage Per Minute
First-shot DPM: 1453.1
50% Crew: 1194.6
75% Crew: 1351.9
100% Crew: 1510.3
100% Crew
Rammer: 1665.4
Vents: 1542.2
Both: 1700.6
Both and BiA: 1735.8
Both and Max Crew %: 1806.2

See here, here, or here for more information.






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2012.5

Standard Gun

Using Shell Type 1 (115 Damage):


Theoretical Damage Per Minute
Nominal DPM: 2012.5
50% Crew: 1624.95
75% Crew: 1860.7
100% Crew: 2098.75
100% Crew
Vents: 2145.9
Rammer: 2332.2
Both: 2383.95
Both and BiA: 2436.85
Both and Max Crew %: 2542.65

Advantageous Damage Per Minute
First-shot DPM: 2127.5
50% Crew: 1739.95
75% Crew: 1975.7
100% Crew: 2213.75
100% Crew
Rammer: 2447.2
Vents: 2260.9
Both: 2498.95
Both and BiA: 2551.85
Both and Max Crew %: 2657.65

See here, here, or here for more information.

Standard Gun

Using Shell Type 2 (115 Damage):


Theoretical Damage Per Minute
Nominal DPM: 2012.5
50% Crew: 1624.95
75% Crew: 1860.7
100% Crew: 2098.75
100% Crew
Vents: 2145.9
Rammer: 2332.2
Both: 2383.95
Both and BiA: 2436.85
Both and Max Crew %: 2542.65

Advantageous Damage Per Minute
First-shot DPM: 2127.5
50% Crew: 1739.95
75% Crew: 1975.7
100% Crew: 2213.75
100% Crew
Rammer: 2447.2
Vents: 2260.9
Both: 2498.95
Both and BiA: 2551.85
Both and Max Crew %: 2657.65

See here, here, or here for more information.

Standard Gun

Using Shell Type 3 (185 Damage):
With wholly penetrating hits

Theoretical Damage Per Minute
Nominal DPM: 3237.5
50% Crew: 2614.05
75% Crew: 2993.3
100% Crew: 3376.25
100% Crew
Vents: 3452.1
Rammer: 3751.8
Both: 3835.05
Both and BiA: 3920.15
Both and Max Crew %: 4090.35

Advantageous Damage Per Minute
First-shot DPM: 3422.5
50% Crew: 2799.05
75% Crew: 3178.3
100% Crew: 3561.25
100% Crew
Rammer: 3936.8
Vents: 3637.1
Both: 4020.05
Both and BiA: 4105.15
Both and Max Crew %: 4275.35

See here, here, or here for more information.
Damage Per Minute


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0.53 m 

With 50% Crew: 0.657 m
With 75% Crew: 0.573 m
With 100% Crew: 0.508 m
With BiA: 0.497 m
With BiA and Vents: 0.486 m
Maximum possible: 0.466 m

For more details, see Crew


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0.41 m 

With 50% Crew: 0.508 m
With 75% Crew: 0.443 m
With 100% Crew: 0.393 m
With BiA: 0.384 m
With BiA and Vents: 0.376 m
Maximum possible: 0.361 m

For more details, see Crew
Accuracy


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1.7 s 

With 50% Crew: 2.106 s
With 75% Crew: 1.839 s
With 100% Crew: 1.63 s
With GLD: 1.482 s
With BiA: 1.594 s
With BiA and Vents: 1.559 s
With both and GLD: 1.418 s
Maximum possible: 1.359 s

For more details, see Crew or Equipment


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1.7 s 

With 50% Crew: 2.106 s
With 75% Crew: 1.839 s
With 100% Crew: 1.63 s
With GLD: 1.482 s
With BiA: 1.594 s
With BiA and Vents: 1.559 s
With both and GLD: 1.418 s
Maximum possible: 1.359 s

For more details, see Crew or Equipment
Aim time
4444 deg/s Gun Traverse Speed
57° Gun Arc
-2°/+25°-10°/+30° Elevation Arc
9868 rounds Ammo Capacity
General
2020 % Chance of Fire






310 m 

With 50% Crew: 243.6 m
With 75% Crew: 276.8 m
With 100% Crew: 310 m
With Recon and Situational Awareness: 325.7 m
With Coated Optics: 341 m
With Binocular Telescope: 387.5 m
Maximum possible: 443.8 m

For more details, see Skills or Equipment






310 m 

With 50% Crew: 243.6 m
With 75% Crew: 276.8 m
With 100% Crew: 310 m
With Recon and Situational Awareness: 325.7 m
With Coated Optics: 341 m
With Binocular Telescope: 387.5 m
Maximum possible: 443.8 m

For more details, see Skills or Equipment
View Range


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265 m 

With 50% Crew: 208.2 m
With 75% Crew: 236.6 m
With 100% Crew: 265 m
With 100% Signal Boost: 318 m
When affected by 100% Relaying: 291.5 m
Maximum possible: 381.3 m

For more details, see Skills or Equipment


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615 m 

With 50% Crew: 483.2 m
With 75% Crew: 549.2 m
With 100% Crew: 615 m
With 100% Signal Boost: 738 m
When affected by 100% Relaying: 676.5 m
Maximum possible: 884.9 m

For more details, see Skills or Equipment
Signal Range
Values are Stock - click for Top


IV

AnnoA29_T40.png

125000

The T40 is an American tier 4 tank destroyer.

Experimental tank destroyer developed on the basis of the M3 tank in the spring of 1942. The vehicle never entered mass production, nor saw service.

The T40 is basically a M3 Lee without its small turret and roof armor, but with better guns, camouflage values, and a more ideal placed gun mount. The Hetzer is a better brawler and ambush tank, while the SU-85B is a better sniper. However, the T40 is very versatile and easy to play. It can fight at any range as long as you know how to avoid getting hit. Its top gun is excellent for tier 4 and is arguably the best mid-ranged weapon of any tank at its tier. With the 9.6 update the tank lost 90 metres of view range, dropping from 400m to 310m.

The T40 leads to the M10 Wolverine.

Modules / Available Equipment and Consumables

Modules

Ico_gun_alpha.png

Guns

Tier Gun Penetration
(mm)
Damage
(HP)
Rate of fire
(rounds/minute)
Dispersion
(m/100m)
Aiming time
(s)
Weight
(kg)
Price
(Credits)

IV 75 mm AT Howitzer M1A1 38/91.4 175/110 16.22 0.53 1.7 138 26000
V 105 mm AT Howitzer M3 53/101.6 410/350 7.5 0.55 1.7 2100 40150
V 57 mm Gun M1 110/180/29 75/75/95 26.09 0.39 1.7 400 33000
IV 3-inch AT Gun M1918 90/100/42 110/130/170 16.22 0.43 1.7 900 27300
VI 76 mm AT Gun M1A1 128/177/38 115/115/185 16.22 0.41 1.7 1567 50330

Ico_engine_alpha.png

Engines

Tier Engine Engine Power
(hp)
Chance of Fire on Impact
(%)
Weight
(kg)
Price
(Credits)

IV Wright R-975EC2 400 20 515 11600
V Chrysler A57 440 20 570 13900

Ico_suspension_alpha.png

Suspensions

Tier Suspension Load Limit
(т)
Traverse Speed
(гр/сек)
Rmin Weight
(kg)
Price
(Credits)

III T40T41 22.5 30 0 6200 1850
IV T40T48 24 32 0 6200 4500

Ico_radio_alpha.png

Radios

Tier Radio Signal Range
(м)
Weight
(kg)
Price
(Credits)

IV SCR 210 325 80 1980
IX SCR 506 615 110 33600
II SCR 200 265 40 0


Compatible Equipment

Medium Spall Liner Camouflage Net Coated Optics Experimental Optics Wear-Resistant Gun Laying Drive Innovative Loading System Extended Spare Parts Kit Enhanced Gun Laying Drive Enhanced Vertical Coil Springs 2 Class Medium-Caliber Tank Gun Rammer Binocular Telescope Toolbox "Wet" Ammo Rack Class 1 

Compatible Consumables

Stabilizer Greasing Automatic Fire Extinguisher Natural Cover Optical Calibration Case of Cola Aim Tuning Experienced Firefighters 100-octane Gasoline 105-octane Gasoline Manual Fire Extinguisher Vent Purge Large First Aid Kit Large Repair Kit Duty Comes First Shell Organizer Orderly Ammo Rack Focus on Target Increased Focus Small First Aid Kit Small Repair Kit Gearbox Intricacy Steady Hand Pre-Battle Maintenance Combat Course 


Player Opinion

Pros and Cons

Pros:


  • High engine power
  • Very wide gun arc, and relatively short height
  • The gun is mounted at the very top of the hull, allowing you to hull down effectively
  • Effective when on the defence, good at sniping
  • Able to mount both the Tier 6 76mm M1A1 and the 105mm M3 howitzer guns, both of which are very good


Cons:


  • Mediocre top speed and maneuverability
  • Large silhouette
  • Open top body makes it prone to crew and module damage from artillery shells
  • Frontal armour is not thick enough to protect from most AP shells
  • 105 mm Howitzer has poor splash radius (hits on an enemy gun or gun mantle often fail to do any damage other than to the gun


Performance

The T40's role on the battlefield is mostly determined by the guns you use. With the 105 mm AT Howitzer M3 it acts as a short range ambusher that can one shot most opponents in tier 4 matches. Though, you should take a more supporting approach in higher tier matches, as the HE damage greatly diminishes against better armoured tanks. With the 57 mm Gun M1 L/50 cannon it can be used as a sniping anti-tank machine gun over medium to long ranges. The 76 mm AT Gun M1A1 gun is widely considered as the best gun for this tank. It combines high penetration and a short aim time with a decent rate of fire and alpha strike damage. Its only drawback is the mediocre accuracy which diminishes its long range performance considerably. But feel free to spam even at those long ranges if you're in a good position, as your shells are cheap and plenty.

The key to play this tank effectively is to hide your rather large body from incoming shells. The T40 excels at hiding behind wrecks and shooting over hilltops.

In addition, this tank can become a proper killing machine if played in a defensive like manner correctly, keeping hostile players at bay as team mates push forward on other fronts or are rushing to assist. Use good cover and duck behind it often while reloading or are expecting enemy fire.


Early Research

  • The 57mm and 105mm guns, and the SCR 506 radio carry over from the T82. If you played the M3 Lee previously, the Chrysler A57 engine will also be available immediately.
  • All modules are mountable without upgrading the suspension, so most players go straight for the 76 mm AT Gun M1A1.
  • Go from there.


Suggested Equipment


Tank Gun Rammer Binocular Telescope Camouflage Net 


Gallery

Historical Info

Development history


T24 Gun motor carriage

The U.S. Army expressed a need for a vehicle capable of stopping and destroying enemy tanks. The new vehicle, dubbed the "Tank Destroyer", would have the same armor protection and general mobility of a standard tank, but would be heavily armed with enough punch to decimate enemy armored formations. Up until 1941, the only vehicles available were modified trucks and half-tracks, which lacked greatly in the mobility, firepower and armor departments.

During the summer of 1941, Baldwin Locomotive Works began development of a vehicle to fill the need for a true tank destroyer. They began with the chassis of an M3 Lee medium tank, added a modified superstructure with an open, hexagonally-shaped top, and armed the vehicle with the M1918 3-inch gun. The Ordnance Department accepted the vehicle for testing at Aberdeen at the end of the summer, designating it the T24 gun motor carriage. However, the extremely high silhouette of the vehicle was thought to detract from its ability to stalk its prey, and gun was found to be lacking in range and accuracy. The T24 was returned to Baldwin for adjustments.


T40/M9 America's First Tank Destroyer

What Baldwin later returned to the Army was basically a somewhat improved T24. Indeed, it was the T24 pilot vehicle, simply modified with a slightly lower superstructure and some minor improvements to the weapon and related systems. The vehicle was accepted for testing at Aberdeen once more, this time under the designation of T40. The Ordnance Department was still far from impressed, but a surprise attack on Pearl Harbor by the Japanese, and the subsequent entry of the United States into the war prompted the vehicle's adoption as the Army's first standardized full-track tank destroyer. It was christened the 3-inch Gun Motor Carriage, M9, and a production contract was awarded for 1,000 examples.

However, as the vehicle was not truly up the Army's standards, the contract was cancelled only four months later, in April 1942. The M9 had simply proven too slow, and furthermore, its 3-inch main armament was not available in sufficient quantity. As the vehicle had a basis on the M3 Lee medium tank, the silhouette was also above the minimum for a vehicle intended as an ambush predator. The Tank Destroyer Board finally abandoned the project at the end of the summer of 1942, officially due to the insufficient mobility and speed of the vehicle.


Historical Gallery

Historical Accuracy Errata

The following are consensus errors or inconsistencies which have been identified with the configuration of the vehicle in question and conflict with information available on the public record. The causes for these divergences in the game are normally not disclosed and may be rooted in game balance.

The T40 was never armed with any gun other than the 3-inch AT Gun M1918.
  • The vehicle actually had -8°/+29° of gun elevation.
  • Its actual gun arc is 37° (10° left and 27° right). In World of Tanks, however, it is 57°.


Sources and External Links

USA
Light Tanks IT1 Cunningham IIM2 Light Tank IIT1E6 IIT2 Light Tank IIT7 Combat Car IIIM22 Locust IIIM3 Stuart IVM5 Stuart VM24 Chaffee VM7 VIT21 VIT37 VIIT71 VIIIM41 Walker Bulldog IXT49 XXM551 Sheridan
Medium Tanks IIT2 Medium Tank IIIM2 Medium Tank IVM3 Lee VM4 Improved VM4A2E4 Sherman VM4 Sherman VRam II VIM4A3E8 Fury VIM4A3E8 Thunderbolt VII VIM4A3E8 Sherman VIM4A3E2 Sherman Jumbo VIIT20 VIIT23E3 VIIIT25 Pilot Number 1 VIIIM46 Patton KR VIIIM26 Pershing VIIIT26E4 SuperPershing VIIIT69 VIIIT95E2 IXM46 Patton IXT54E1 XM48A1 Patton XM60 XT95E6
Heavy Tanks VT14 VT1 Heavy Tank VIM6 VIIT29 VIIIT26E5 VIIIM6A2E1 VIIIT32 VIIIT34 VIIIT34 B IXM103 XT110E5 XT57 Heavy Tank
Tank Destroyers IIT3 HMC IIIT56 GMC IVM8A1 IVT40 VM10 Wolverine VT67 VIM18 Hellcat VIM36 Jackson VIIM56 Scorpion VIIT28 Concept VIIT25/2 VIIT25 AT VIIIT28 VIIIT28 Prototype IXT30 IXT95 XT110E3 XT110E4
Self-Propelled Artillery IIT1 HMC IIIT18 HMC IIIM7 Priest IVT82 HMC IVM37 VM41 HMC VIM44 VIIM12 VIIIM40/M43 IXM53/M55 XT92 HMC
Tank Destroyers
USA IIT3 HMC IIIT56 GMC IVM8A1 IVT40 VM10 Wolverine VT67 VIM18 Hellcat VIM36 Jackson VIIM56 Scorpion VIIT28 Concept VIIT25/2 VIIT25 AT VIIIT28 VIIIT28 Prototype IXT30 IXT95 XT110E3 XT110E4
UK IIUniversal Carrier 2-pdr IIIValentine AT IVAlecto VArcher VAT 2 VIChurchill Gun Carrier VIAchilles VIAT 8 VIIChallenger VIIAT 15A VIIAT 7 VIIIAT 15 VIIICharioteer IXTortoise IXFV4004 Conway XFV215b (183) XFV4005 Stage II
Germany IIPanzerjäger I IIIMarder II IVStuG III Ausf. B IVJagdpanzer 38(t) Hetzer IVMarder 38T VStuG IV VPz.Sfl. IVc VStuG III Ausf. G VIDicker Max VIJagdpanzer IV VINashorn VIIE 25 VIIKrupp-Steyr Waffenträger VIIJagdpanther VIISturer Emil VIIIFerdinand VIIIKanonenjagdpanzer VIIIRheinmetall Skorpion G VIIIJagdpanther II VIII8,8 cm Pak 43 Jagdtiger VIIIRhm.-Borsig Waffenträger IXJagdtiger IXWaffenträger auf Pz. IV XGrille 15 XJagdpanzer E 100 XWaffenträger auf E 100
France IIRenault FT AC IIIFCM 36 Pak 40 IIIRenault UE 57 IVSomua SAu 40 VS35 CA VIARL V39 VIIAMX AC mle. 46 VIIIAMX AC mle. 48 IXAMX 50 Foch XAMX 50 Foch (155) XAMX 50 Foch B
USSR IIAT-1 IIISU-76M IIISU-76I IVSU-85B VSU-85 VSU-85I VISU-100 VISU-100Y VIIISU-122S VIISU-152 VIISU-100M1 VIISU-122-44 VIIIISU-152 VIIIISU-130 VIIISU-101 IXObject 704 IXSU-122-54 XObject 263 XObject 268
China IIT-26G FT IIIM3G FT IVSU-76G FT V60G FT VIWZ-131G FT VIIT-34-2G FT VIIIWZ-111-1G FT VIIIWZ-120-1G FT IXWZ-111G FT XWZ-113G FT
Japan
Czechoslovakia
Sweden IIPvlvv fm/42 IIIIkv 72 IVSav m/43 VIkv 103 VIIkv 65 Alt II VIIIkv 90 Typ B VIIIUDES 03 VIIIStrv S1 IXStrv 103-0 XStrv 103B
Poland