Type 75 SPH
Contents
Description
The Type 75 SPH is a rank IV Japanese tank destroyer with a battle rating of 6.7 (AB) and 6.3 (RB/SB). It was introduced in Update 1.91 "Night Vision".
General info
Survivability and armour
The armour of Type 75 SPH resists 7.62 mm machine gun fire from any side and can sustain 12.7 mm rounds when angled from any side, however, the hull is made out of aluminium, so it's actual effective armour is around 15 mm. Because of that, the tank can be knocked out by large-calibre HE shells.
For that reason, it is not recommended to drive to hostile tanks closer than 300 m and slightly angle to avoid being shot with MG from the side and about 700 m to avoid unnecessary damage. Slightly angle the tank towards passageways to have a chance of making a reply shot. Do not angle too much, to avoid exposing your sides or triggering fuses on rank V APHE, which mostly has 19 mm trigger with exception of German and some US tanks which have 14 mm sensitive fuse.
Front of the hull can take the most of the MG punishment due to various modules taking damage for the crew, with high chance of just being set on fire instead, however, if enemy aims for the turret they will eventually hit weaker flat parts and hit the non-critical crew with a chance of taking out the gunner. Keep your opponents on your left to prevent that from happening.
The right front side of the hull houses the driver. They are sealed away from turret compartment by the engine and fuel tanks. The turret houses the rest of the crew. Quite often, explosive damage to one section does nothing to the other, however, pure AP shells can potentially penetrate modules and destroy crew in both of the sections, or hit the charges on the floor of the turret.
Armour type:
- Aluminium alloy 7039 (hull, turret)
| Armour | Front (Slope angle) | Sides | Rear | Roof |
|---|---|---|---|---|
| Hull | 30 mm (13°) Front glacis 30 mm (52°) Lower glacis |
30 mm Top 30 mm Bottom |
30 mm (1°) | 25 mm 5 mm Radiators |
| Turret | 30 mm (13-16°) Turret front 30 mm Gun mantlet 20 mm Barrel shroud |
30 mm (13-47°) | 30 mm (1°) | 25 mm 30 mm Gun mantlet |
Notes:
- Suspension wheels and tracks are 20 mm thick.
- Belly armour is 25 mm thick.
- Belly armour above tracks is 35 mm thick.
- One 8 mm structural steel plate separates the engine compartment from the crew compartments.
Mobility
| Game Mode | Max Speed (km/h) | Weight (tons) | Engine power (horsepower) | Power-to-weight ratio (hp/ton) | |||
|---|---|---|---|---|---|---|---|
| Forward | Reverse | Stock | Upgraded | Stock | Upgraded | ||
| Arcade | 52 | 21 | 25.3 | 639 | 992 | 25.26 | 39.21 |
| Realistic | 48 | 19 | 398 | 520 | 15.73 | 20.55 | |
The Type 75 SPH can move surprisingly fast and can challenge the T-54 (1947) when driving on flat terrain.
The problems start when the terrain is less than perfectly flat, as Type 75 SPH's suspension is very stiff. Something as mundane as trenches will not just slow down stock Type 75 SPH, but stop it entirely and leave it struggling to drive over it. Upgrades to chassis make this problem less jarring but it still exists.
Modifications and economy
| Mobility | Protection | Firepower | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Armaments
Main armament
155 mm cannon of this tank destroyer is capable of launching High Explosive shells at the enemy. It does not carry any other offensive ammunition, however, it carries three different types of HE. What separates its gun from most of other "Demolition tanks" is that it has the autoloader, which allows it to reload at least three times faster than the ones that do not, which is insane. As a side effect, the reload speed is not affected by the crew skills and status and will always remain the same.
The gun is surprisingly accurate even when stock at up to ~700 m ranges and can still hit even past 1 kilometre away. While it does not hit the exact mark, it is usually good enough. However, when braking, the gun can bounce, so some care should be taken when fighting at close range.
When compared to the clearly similar artillery tanks, the Type 75 SPH's weapon claims the middle ground with a focus on combat support and versatility.
| 155 mm NSJ L/30 | Turret rotation speed (°/s) | Reloading rate (seconds) | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mode | Capacity | Vertical | Horizontal | Stabilizer | Stock | Upgraded | Full | Expert | Aced | Stock | Full | Expert | Aced |
| Arcade | 28 | -5°/+65° | ±180° | N/A | 10.6 | 14.6 | 17.8 | 19.6 | 20.9 | 10.00 | 10.00 | 10.00 | 10.00 |
| Realistic | 7.1 | 8.4 | 10.2 | 11.3 | 12.0 | ||||||||
Ammunition
- M107: Your stock HE shell. It can essentially destroy almost any tank that doesn't have ERA shielding in one hit. As with other HE tanks, like the Ho-Ro, it can't penetrate armour directly on many tanks, so one has to aim for cupolas, machine guns, chassis and other weak spots. For example the M103 have great frontal armour, but it can be simply shot at the turret base, and the shockwave will breach hull roof armour and hit the ammo rack located just below the turret in the hull, resulting in instant destruction.
- M107 (PF): Also an HE shell like the M107, but with a 3 m proximity fuse, so it does not explode upon impact but earlier instead, when the radio fuse (inside the shell) detects an obstacle nearby. Notice that this is a proximity fuse, and not a radio fuse. This means that the fuse will not detect the aircraft unless in immediate proximity (3 m radius).
- Type 75: This HE shell doesn't have a proximity fuse, but its muzzle velocity is faster, which make it more reliable at over 1 km range and allows for significantly easier and faster aim in RB. It was achieved by reducing its penetration power.
- M110: It is also possible to fire a smoke shell to blind enemy snipers or to hide someone on your team.
| Penetration statistics | |||||||
|---|---|---|---|---|---|---|---|
| Ammunition | Type of warhead |
Penetration @ 0° Angle of Attack (mm) | |||||
| 10 m | 100 m | 500 m | 1,000 m | 1,500 m | 2,000 m | ||
| M107 | HE | 61 | 61 | 61 | 61 | 61 | 61 |
| M107 (PF) | HE-VT | 61 | 61 | 61 | 61 | 61 | 61 |
| Type 75 | HE | 54 | 54 | 54 | 54 | 54 | 54 |
| Proximity-fused shell details | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ammunition | Type of warhead |
Velocity (m/s) |
Projectile mass (kg) |
Fuse delay (m) |
Fuse sensitivity (mm) |
Arming distance (m) |
Trigger radius (m) |
Explosive mass (TNT equivalent) (kg) |
Ricochet | |||
| 0% | 50% | 100% | ||||||||||
| M107 | HE | 580 | 43.1 | 0 | 0.1 | - | - | 9.14 | 79° | 80° | 81° | |
| M107 (PF) | HE-VT | 580 | 43.1 | - | - | 300 | 3 | 9.14 | 79° | 80° | 81° | |
| Type 75 | HE | 720 | 43.6 | 0 | 0.1 | - | - | 6.80 | 79° | 80° | 81° | |
| Smoke shell characteristics | ||||||
|---|---|---|---|---|---|---|
| Ammunition | Velocity (m/s) |
Projectile mass (kg) |
Screen radius (m) |
Screen deploy time (s) |
Screen hold time (s) |
Explosive mass (TNT equivalent) (g) |
| M110 | 563 | 40.8 | 25 | 5 | 30 | 50 |
Ammo racks
| Full ammo |
Ammo part |
1st rack empty |
2nd rack empty |
3rd rack empty |
Visual discrepancy |
|---|---|---|---|---|---|
| 28 | Projectiles Propellants |
19 (+9) 15 (+9) |
10 (+18) 1 (+27) |
1 (+27) N/A |
No |
Notes:
- Projectiles and propellant bags are modeled individually and disappear after having been shot or loaded.
Projectiles:
- Racks 2 and 3 (autoloader magazines) are first stage ammo racks. They total 18 shells.
- These racks get filled first when loading up the tank and are also emptied first.
- As it is equipped with an autoloader, manual reloading of the gun is not possible.
- Once the autoloader magazines have been depleted, you can't shoot until the loader has restocked the autoloader. The restocking time is longer than the normal reload time of the gun. Take this into account when playing.
- Simply not firing when the gun is loaded will move ammo from rack 1 into racks 2 and 3. Firing will interrupt the restocking of the ready racks.
- The depletion order at full capacity is: 2 - 3 - 1.
Propellants:
- Rack 2 contains 18 propellant bags (14 from the forward rack + 4 from the rear rack)
- Rack 1 contains only 10 bags on the rear rack.
- Simply not firing when the gun is loaded will move ammo from rack 1 into rack 2. Firing will interrupt the restocking of the ready racks.
- The depletion order at full capacity is: 2 - 1.
Optics and night vision
| Type 75 SPH Optics | ||||||
|---|---|---|---|---|---|---|
| Type of optic | Magnification | Night Vision Devices | ||||
| Image Intensifier | Thermal Imager Resolution |
Notes | ||||
| Resolution | Light Mult | Noise Level | ||||
| Gunner's Sight | X8 - X16 | N/A | N/A | N/A | Not Fitted | |
| Commander's View | X6 | N/A | N/A | N/A | Not Fitted | |
| Driver's View | X1 / 3PV | 800X600 | ___ | high | Not Fitted | Only useable with an upgrade |
- Zoom level specified in X-ray. Type 75 SPH has optics similar to ST-A1 and they are same as the German sniper scopes of the rank.
While optics are very powerful on this tank, they may be inconvenient to use in RB until the type 75 shell is researched due to low velocity of the standard shell. In arcade mode, unless you are trying to launch the top shell at a distance over 1,000 m it rarely matters.
Even in the worst cases, the excessive magnification power can still be exploited if the user manually zero-in gun scope to 300-X m distance, so they can directly aim at tanks even with maximum zoom. This helps to target out their weak spots and launch HE exactly where it hurts when the tank is spaded. This comes with a disadvantage of the scope being too high for close combat, so keep the "reset" button or third-person view aim ready.
Use Rangefinder and zero-in the gun distance manually wherever necessary to make operating the tank easier. For example, to use proximity shell against a tank in cover, range-find the object which they hide behind, set scope distance to that exact number and intentionally overshoot it by a few meters.
Machine guns
| 12.7 mm M2HB | ||||
|---|---|---|---|---|
| Mount | Capacity (Belt) | Fire rate | Vertical | Horizontal |
| Pintle | 600 (200) | 577 | -8°/+45° | ±180° |
- The roof mounted 12.7 mm M2HB machine gun can be used to repel hostile light tanks and low flying aircraft.
Usage in battles
This vehicle is very powerful with its high explosive and fuze shells, however it comes at a cost. The Type 75 is the very definition of a glass cannon: this vehicle is incredible at close range engagements, but can not snipe long distances as it is an artillery howitzer. It is recommended that you watch your surroundings as this vehicle has so little armour that machines guns alone can penetrate your armour. Used right, this vehicle can dominate the battlefield as its proximity fuze shell can easily take out an enemy behind cover.
It is highly recommended to become familiar with large maps. Experiment on large maps using some landmarks to help with long distance aiming.
The Type 75 has an almost unique ability to annihilate tanks that are hiding behind cover completely, which is usually something only an ATGM carrier can do. Its HE shells allow to exploit weak spots and openings in the armour of battle tanks, which are normally not penetrable by contact explosives, although it's not 100% reliable and might take several shots. The HE-VT shell with a proximity fuse is perfect to engage targets while staying behind cover. Keep in mind that it must still fly at least 300 m away from your tank to activate, so it will not work at close range.
Proximity fuse of type 75 explodes mid-air before hitting Ho-Ri armour and penetrates ventilation to hit ammo rack. Ho-Ri explodes. Normally, the HE shell would hit the gun mantlet and set the engine on fire and nothing else, or just ricochet off the hull and away.
Type 75 SPH uses proximity fuse on type 60 ATM that is completely hidden behind a hill. It exploded above the vertical ATGM tank, surprising and destroying it. Normally the shot would be impossible to land and type 60 ATM would just continue destroying any passing by tank - like nothing happened.
It will also react to the ground surface, so try to overshoot your opponent so that the shell remains higher than 3 m from the ground before it reaches your target. In many cases, the proximity fuse shell will detonate before reaching the enemy, due to nearby obstacles accidentally triggering the fuse.
Not every tank should be attacked with a proximity shell, as it's not always beneficial. For example, Soviet medium and heavy tanks do not have any glaring weak spots, which can be potentially hit by an airburst shockwave, so they should only be attacked by normal HE ammo. On contrary, their SPAA and light tanks are as vulnerable as they are dangerous, and so it is reasonable to try and spend some proximity shells to weed them out, instead of leaving your cover and risking being annihilated by suppressing fire.
Pros and cons
Pros:
- Unlike almost all other heavy demolition tanks, like the FV4005 and the 2S3M, the Type 75 has a fully automatic autoloader and will always reload about as fast as a medium tank
- The low velocity of the stock shell makes it possible to fire from behind some hills while keeping most of the Type 75 hidden
- Has the privilege of the proximity fuse shell, which allows tank destroyers to take out enemies behind cover and exploit their normally untouchable weaknesses
- 8X to 16X zoom can be used to locate and annihilate hostile tanks, however, rangefinding and manual gun scope adjustments are necessary for comfortable use
- Angled turret can sustain a point-blank fire of 12.7 mm and some damage can be taken without instantly exploding the tank or reducing reload speed down to 1.5 minutes like in the case of FV4005, although an enemy should be kept on the left side to have a chance of survival
Cons:
- Can be destroyed easily by large-calibre explosive shells or ATGM hitting the turret or the back of the tank, the operator can't be oblivious of their surroundings
- Most of critical components and crew are located in the turret, meaning it can be destroyed or incapacitated in one good hit to the turret
- Turret is rather slow, though movements are mostly smooth
- 12.7 mm rounds have no problem penetrating the front of the turret
- Noticeably bouncy when braking
History
Development of the Type 75 self-propelled howitzer began in the late 1960s, when Japan sought to procure a mobile self-propelled artillery unit alongside a smaller caliber SPG. This resulted in the creation of the Type 75 and Type 74, respectively.
The Type 75's design was largely based on that of the existing Type 74 SPG and Type 73 APCs, sharing many components and even assembly lines, all in an effort to reduce costs and save resources. Development was split between two Japanese companies, with Mitsubishi Heavy Industries developing the chassis, while Japan Steel Works developed the turret and cannon.
Two prototypes were ready by the early 1970s, differing only in the type of loading mechanism used. Trials of these prototypes were conducted between 1973 - 1974. In October 1975, based on the test results, the prototype with a drum-fed autoloading mechanism was picked for series production.
Production of the Type 75 commenced in 1975 and went on until 1988, when all of the initially ordered 201 units were built. Although the Type 75 is still in active service with the JGSDF since their initial introduction in 1975, the number of units has gradually been decreasing in recent years as the Type 75 is slowly being phased out and replaced by the Type 99 155mm self-propelled howitzer.
The Type 75 has not yet participated in any combat operations during its service life and has been exclusively operated by the JGSDF thus far.
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See also
External links
| Japan tank destroyers | |
|---|---|
| Ro-Go Derivatives | Ro-Go Exp. |
| Chi-Ha Derivatives | Ho-Ni I · Ho-Ni III · Ho-Ro · Chi-Ha LG |
| Ho-Ri | Ho-Ri Prototype · Ho-Ri Production |
| Other | Na-To |
| JGSDF | |
| SPRG | Type 60 (C) |
| SPH | Type 75 · Type 99 |
| ATGM | Type 60 ATM |
| Rocket | Type 75 MLRS |
| USA | ▅M36 |
