Light Tank M24 SDF

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This page is about the Japanese M24 light tank, if you are looking for the American one , see M24 Chaffee. If you are looking for the one in the Thunder League version, see M24 TL Chaffee.


Arcade Realistic Simulator

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General info

The M24 SDF in the garage.

The Light Tank M24 SDF is a Rank III Japanese light tank with a battle rating of 3.3. It was introduced along with the initial Japanese Ground Forces tree in Update 1.65 "Way of the Samurai". This Japanese vehicle is identical to the American M24 Chaffee.

The main purpose, usage and tactics recommendations

General play style

The M24 SDF is a very good tank with a fairly interesting play style. Instead of being permanently stationed at a single point and continuously firing at an enemy, this tank offers impressive maneuverability and speed which allows it to perform impressive flanking maneuvers. The M24 SDF can travel at around 38 km/h forward and -25 km/h backwards. Its reverse speed is very good if a quick getaway by going backwards is needed. Thus, this tank excels at "peek-a-boo" tactics in which one hides behind a rock or other large piece of cover and repeatedly inches out to fire at an enemy.

The tank offers a 75mm M6 gun, which has a slower reload than the Sherman's 75mm M3 gun but is otherwise the same. Its shells come in handy for certain tanks; they generally penetrate armour very well. It is rare to experience a ricochet or be to unable to penetrate any armour.

DO NOT: Continuously shoot at a tank without backing up/moving. The vehicle's armour is very thin and will most likely be destroyed if it stays in one position and does not stop changing positions. Always try to get the first shot off in a head-on attack. Typically, the best shell to use is the M61 shell but it can also be beneficial to have M72 shells as well.

Vehicle characteristics

Tactics

Flanking the enemy is always a choice. If attacking with a more direct approach, keep hidden behind a building or boulder and pop out every now and then to take a shot at the enemy. Also, prioritize targets who are busy fighting others and cannot retaliate. Usually, after the first shot, their tank may be disabled, depending on what it is. Disabling the enemy tank's crew, tracks, engine, etc. allows for retaliation without the risk of any incoming enemy shells.

Specific enemies worth noting

Counter-tactics

Pros and cons

Pros:

  • Low profile
  • The best cannon for light tanks in its BR
  • Very agile once upgraded
  • Very fast reverse, thanks to the 4-speed reverse gear
  • Fast turret traverse
  • Equipped with a vertical plane stabilizer, allowing for more accurate shots on the move or shoot-n-scoot tactics
  • Pintle mounted HMG allows for air defense
  • Veterans of American GF will be familiar to this vehicle

Cons:

  • Thin armour on all sides
  • Low ammo count can be a problem in long games or RB/SB matches
  • Vulnerable to nearby explosions
  • Reload is quite slow for its caliber

Specifications

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Armaments

1 x 75 mm Gun M6 (48 rounds)
1 x 12.7 mm Browning M2HB heavy machine gun (1,000 rounds)
1 x 7.62 mm Browning M1919A4 machine gun (1,800 rounds)

Main armament

1 x 75 mm Gun M6
  • Ammunition Capacity: 48 Shells
  • Gun Depression: -10°
  • Gun Elevation: 15°
  • Turret Rotation Speed: 14.3°/s (Stock), __._°/s (Upgraded), 38.4°/s (Prior + Full Crew), __._°/s (Prior + Expert Qualif.), __._°/s (Prior + Ace Qualif.)
  • Reloading Rate: __._s (Stock), 7.4s (Full Crew), __._s (Prior + Expert Qualif.), __._s (Prior + Ace Qualif.)
1 x 75 mm Gun M6
  • Ammunition Capacity: 48 Shells
  • Gun Depression: -10°
  • Gun Elevation: 15°
  • Turret Rotation Speed: 14.3°/s (Stock), __._°/s (Upgraded), 20.4°/s (Prior + Full Crew), __._°/s (Prior + Expert Qualif.), __._°/s (Prior + Ace Qualif.)
  • Reloading Rate: __._s (Stock), 7.4s (Full Crew), __._s (Prior + Expert Qualif.), __._s (Prior + Ace Qualif.)
1 x 75 mm Gun M6
  • Ammunition Capacity: 48 Shells
  • Gun Depression: -10°
  • Gun Elevation: 15°
  • Turret Rotation Speed: 14.3°/s (Stock), __._°/s (Upgraded), 20.4°/s (Prior + Full Crew), __._°/s (Prior + Expert Qualif.), __._°/s (Prior + Ace Qualif.)
  • Reloading Rate: __._s (Stock), 7.4s (Full Crew), __._s (Prior + Expert Qualif.), __._s (Prior + Ace Qualif.)
Ammunition
Ammunition Penetration in mm @ 90° Type of
warhead
Velocity
in m/s
Projectile
Mass in kg
Fuse delay in m: Fuse sensitivity in mm: Explosive Mass in
TNT equivalent
in g:
Normalization At 30° from horizontal: Ricochet:
10m 100m 500m 1000m 1500m 2000m 0% 50% 100%
M72 shot 110 109 92 76 62 51 AP 619 6.3 N/A N/A N/A -1° 43° 30° 25°
M48 shell 10 10 10 10 10 10 HE 463 6.3 0.4 0.5 666 +0° 11° 10°
M61 shot 90 88 81 73 65 59 APCBC 618 6.8 1.2 20 63.7 +4° 42° 27° 19°
Ammo Racks
Ammo rack of the M24 Chaffee
Full
ammo
1st
rack empty
2nd
rack empty
Recommendations Visual
discrepancy
48 25 (+23) (+47) None No

Secondary armaments

1 x 12.7 mm Browning M2HB heavy machine gun (pintle-mount)
1 x 7.62 mm Browning M1919A4 machine gun (coaxial)

Crew

  • Commander
  • Gunner
  • Loader
  • Driver
  • Assistant Driver

Total: 5 Crew members

Armour

Armour Type:

  • Rolled homogeneous armour
  • Cast homogeneous armour (Gun mantlet)
Armour Front (Slope angle) Sides Rear Roof
Hull 25.4 mm (60°) Front glacis
25.4 mm (44°) Lower glacis
25.4 mm (13°) Front
12.7 mm (13°) Rear
12.7 mm (71-74°) Top
19 mm (1-43°) Bottom
12.7 mm
Turret 38.1 mm (8-40°) Turret front
38.1 mm (1-45°) Gun mantlet
25.4 mm (17-26°) 25.4 mm 12.7 mm
Armour Sides Roof
Cupola 38.1 mm 38.1 mm

Notes:

  • Suspension wheels and tracks are 15 mm thick.
  • Belly armour is 12.7 mm thick.
  • Gun barrel is 20 mm thick.
  • Gun breech is 300 mm thick in structural steel

Engine & mobility

Weight: 18.4 ton

Max Speed: 63 km/h
Stock

  • Engine Power: 459 hp @ 3199 rpm
  • Power-to-Weight Ratio: 24.94 hp/ton
  • Maximum Inclination: 37°

Upgraded

  • Engine Power: 565 hp @ 3199 rpm
  • Power-to-Weight Ratio: 30.71 hp/ton
  • Maximum Inclination: 43°
Weight: 18.4 ton

Max Speed: 56 km/h
Stock

  • Engine Power: 262 hp @ 3199 rpm
  • Power-to-Weight Ratio: 14.24 hp/ton
  • Maximum Inclination: 40°

Upgraded

  • Engine Power: 296 hp @ 3199 rpm
  • Power-to-Weight Ratio: 16.09 hp/ton
  • Maximum Inclination: 41°
Weight: 18.4 ton

Max Speed: 56 km/h
Stock

  • Engine Power: 262 hp @ 3199 rpm
  • Power-to-Weight Ratio: 14.24 hp/ton
  • Maximum Inclination: 40°

Upgraded

  • Engine Power: 296 hp @ 3199 rpm
  • Power-to-Weight Ratio: 16.09 hp/ton
  • Maximum Inclination: 41°

Modules and improvements

History of creation and combat usage

Development

As early as 1942, the light tanks M3 and M5 Stuart have been seen as severely lacking in the modernizing design of tanks and how they fight. The armour was seen as insufficient and the 37 mm gun was also deemed useless against newer German tanks like the Panzer III and Panzer IV. The system needed an upgrade, specifically a light tank that mounts the 75 mm gun seen on the Shermans. An attempt to mount a 75 mm gun on a Stuart was deemed inefficient as it reduced ammo stowage and left the armour too thin on the design.

In April 1943, Ordnance with Cadillac started on a project for the new light tank, designation Light Tank T24. The powertrain and transmission of the M5 Stuart was used with the ultimate goal of producing a vehicle weighing less than 20 tons. This left the vehicle with relatively thin armour to keep light. At the time, a lighter 75 mm gun was developed for mounting on the B-25 Mitchell bomber without sacrificing performance, and this was mounted onto the light tank in development. The tank used 410 mm wide tracks with a torsion bar suspension that greatly improves cross-country travel. The engine was a Cadillac 44T24 V-8 petrol engine. The chassis was designed with the expectation that it would be used as a basis of many different vehicle roles so it was called the "Light Combat Team". The light tank end design had a low profile at 9 ft. 1 in. height and featuring a crew of five with a three-man turret, an improvement over the two-man turrets of the Stuarts. The first finished vehicle arrived on October 15, 1943 and was deemed a success, starting a contract for 1,000 units that was later raised to 5,000 units. The vehicle was classified as the Light Tank M24 and as the Chaffee by the British after US General Adna R. Chaffee, Jr., who helped develop some of America's earliest tank designs. The vehicle was produced by Cadillac and Massey-Harris from April 1944 to August 1945 with a total of 4,731 units produced.

Japanese Service

In July 1st, 1954, Japan set up its post-war military force, the Japan Self-Defense Forces with the purpose of defending Japan should it come under conflict in the ongoing Cold War between America and the Soviet Union. To jump start the remilitarization, America gave the newly formed JSDF several M24 Chaffees along with some M4A3E8 Shermans. The M24 would soon be retired once it was found that they were unable to contend against the Soviet's T-34-85, leading to a limited use until replaced by more capable tanks.

Screenshots and fan art

Skins and camouflages for the _____ from live.warthunder.com.

Additional information (links)

References


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jp_m24_chaffee.png

Icon-country-jap.png M24 Chaffee
Nation Japan
Type Light tank
Rank 3
Battle Rating
3.3
3.3
3.3

   Metric✓       Imperial   

   Metric       Imperial✓   

Characteristics
Weight
18,400 kg
40,565 lb
Number of Crew 5
Hull armour thickness
25.4/25.4/19/12.7 mm
1.0/1.0/0.75/0.5 inches
Statistics
Engine power (stock)
459 hp
262 hp
262 hp
Engine power (upgraded)
565 hp
296 hp
296 hp
HP/ton ratio (stock)
24.94
25.34
14.24
14.47
14.24
14.47
HP/ton ratio (Upgraded)
30.71
31.20
16.09
16.34
16.09
16.34
Max speed
63 km/h
39 mph
56 km/h
35 mph
56 km/h
35 mph
Main Weapon
1 x 75 mm M6 Cannon
Ammo stowage 48 rounds
Vertical guidance -10°/15°
Secondary Weapon
1 x 12.7 mm M2HB Heavy machine gun
Ammo stowage 1,000 rounds
Mount Pintle mount
Vertical guidance -10°/70°
Horizontal guidance -60°/60°
1 x 7.62 mm M1919A4 Machine gun
Ammo stowage 1,800 rounds
Mount Coaxial
Economy
Required RP 26,000 RP
Vehicle cost 100,000 SL
Crew training cost 29,000 SL
Max repair cost*
1,320 SL
1,500 SL
1,350 SL
Free repair time (Stock)
18h 53m
20h 53m
22h 03m
Free repair time (Upgraded)
6h 17m
6h 57m
7h 21m
Warning: this sidebar is a WIP and can be incorrect. Last updated 1.77.2.165.