Type 4 Ho-Ro

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Arcade Realistic Simulator

Arcade Realistic Simulator

Arcade Realistic Simulator

General info

The Ho-Ro in the garage.

The Type 4 Ho-Ro is a Rank I Japanese tank destroyer with a battle rating of 1.7. It was introduced in Update 1.65 "Way of the Samurai" along with the rest of the Japanese Ground Forces Tree. The vehicle, known by its full designation as the Imperial Japanese Army Type 4 15cm self-propelled gun Ho-Ro (Original Text: 日本語: 四式十五糎自走砲 ホロ), is a open-topped SPG with a short-barreled 150mm howitzer, based on the Chi Ha chassis and running gear.

The name "Ho-Ro" translates roughly to Gun Two, or more properly, Self Propelled Gun Number 2.[1]

The main purpose, usage and tactics recommendations

General play style

The Ho-Ro a is fairly maneuverable SPG, and like many other open-topped vehicles, this is not one that should charge into the front-lines. Just like many of the other low-rank Japanese vehicles, it has no real armour protection from anything more than rifle-caliber MGs, and its ammo storage is literally a box mounted on top of the engine deck. The crew is very exposed, and the gun breech is mounted rather high on the chassis and can be easily knocked out. With this knowledge in mind, the Ho-Ro is best played by staying in the rear (but not distantly) of friendly tanks as short-range or point-blank artillery fire, along with finding hidden positions where it can attempt to be hull-down out of sight of the enemy. Due to its low-velocity shell, the gun often needs to be aimed higher than the commander estimates when performing direct-fire onto a target, but this also allows the vehicle to lob shells from behind shallow hills, out of the sight from opponents that may be camping or pushing into friendly territory on the other side. Note however that because its HE shell is so powerful, it is extremely risky to fire directly next or very close to an enemy vehicle, as the light armour may not protect the crew, and the blast from the shell's explosion it will certainly deal damage to the vehicle itself. The gun, while powerful, cannot traverse very far to either side and its depression is actually depressing (-5°), so in order to fire on tanks that are outside of the arc of the gun's horizontal traverse or down a hill-side, the entire hull must be traversed as well. The recoil of the gun is also an issue, as it throws the vehicle backwards rather severely (just like the M-56 Scorpion), which means it loses target acquisition every time it fires. One interesting note is the pintle-mounted MG on the roof, which has good elevation and a much wider range of horizontal fire than the main gun, which can be useful on spotting enemy tanks for team-mates or dealing with SPAAs that have exposed gun-crews. However, it has a slower rate of fire than most other rifle-caliber MGs and its magazine capacity is pitiful. In conclusion, the Ho-Ro is a very defensive vehicle suited to supporting friendly tanks and ambushing the enemy on paths were they may attempt to flank around the map.

Vehicle characteristics

Since its introduction into War Thunder, the Ho-Ro has gained a reputation for being one of the most powerful howitzer-equipped SPGs in the game despite its reserve battle-rating, right up there with the beloved KV-2. It is capable of destroying or severely disabling any opponent it meets (or more often ambushes), even against vehicles in Rank V. This is mainly due to its extremely effective High-Explosive shell, however this is balanced by the shell's low velocity, in which the player must literally lob the shell in a arc at their opponent even for a short distance, and the vehicle's generally light armour and limited gun traverse compared to other SPGs.

Tactics

The Ho-Ro is a close to mid-range howitzer that can deliver massive HE shells that can disable, blind or outright destroy enemy vehicles in the support of the team.

Specific enemies worth noting

Pretty much everyone, especially tanks or vehicles with weapons capable of rapidly penetrating light armour.

Counter-tactics

The enemy is likely to hide in the bushes (or attempt to camouflage itself) or around corners in alleyways, set up to ambush anything that comes into its line of sight. Skilled opponents will attempt to hit friendlies from behind hills by aiming high.

Pros and cons

Pros:

  • 150 mm howitzer makes it an intimidating foe, largest caliber gun in Rank I .
  • Howitzer's round trajectory makes it able to fire over hills.
  • More TNT in its HE shells than the KV-2 (OF-530 HE shell has 6.86kg of TNT, compared to 7.2kg of TNT in the Type 92 HE shell)
  • HE load can cause sufficient splash and shrapnel damage even if the shell doesn't directly hit the target.
  • Can destroy most, if not all, vehicles by shooting HE just under an enemy tank and hitting the thim belly armour.
  • Can deter inattentive flak trucks or any vehicles with open and exposed crew with its roof-mounted MG.
  • Quick, maneuverable in both AB and RB, though slightly sluggish to put into gear in the latter.
  • Good 10 degrees of gun depression

Cons:

  • Super thin armour, extremely vulnerable to heavy machine guns, SPAAs, and aircraft.
  • Extreme blast radius can destroy the vehicle if fired too close to oneself.
  • Ammo Rack is literally a box behind the crew on top of the engine deck, leading to some very quick deaths if hit there.
  • Massive recoil causes the vehicle to be launched backwards after firing, requiring aiming adjustment after every shot.
  • Horizontal traverse is disappointing.
  • Very slow muzzle velocity and limited range.
  • At long range, the shells have a habit of bouncing harmlessly off armour surfaces without exploding.
  • AP Shell lacking in penetration for the caliber, relies more on HE power.

Specifications

Arcade Realistic Simulator

Arcade Realistic Simulator

Arcade Realistic Simulator

Armaments

1 x 150 mm Type 38 howitzer (28 rounds)
1 x 7.7 mm Type 97 machine gun (3,000 rounds)

Main armament

1 x 150 mm Type 38 howitzer
  • Ammunition Capacity: 28 Shells
  • Gun Depression: -10°
  • Gun Elevation: 20°
  • Turret Rotation Speed: 3.6°/s (Stock), 4.9°/s (Upgraded), 6.0°/s (Prior + Full Crew), 9.8°/s (Prior + Expert Qualif.), __._°/s (Prior + Ace Qualif.)
  • Reload Rate: 26.0s (Stock), 23.0s (Full Crew), 21.2s (Prior + Expert Qualif.), __._s (Prior + Ace Qualif.)
1 x 150 mm Type 38 howitzer
  • Ammunition Capacity: 28 Shells
  • Gun Depression: -10°
  • Gun Elevation: 20°
  • Turret Rotation Speed: 3.6°/s (Stock), 4.2°/s (Upgraded), 5.1°/s (Prior + Full Crew), 5.6°/s (Prior + Expert Qualif.), __._°/s (Prior + Ace Qualif.)
  • Reload Rate: 26.0s (Stock), 23.0s (Full Crew), 21.2s (Prior + Expert Qualif.), __._s (Prior + Ace Qualif.)
1 x 150 mm Type 38 howitzer
  • Ammunition Capacity: 28 Shells
  • Gun Depression: -10°
  • Gun Elevation: 20°
  • Turret Rotation Speed: 3.6°/s (Stock), 4.2°/s (Upgraded), 5.1°/s (Prior + Full Crew), 5.6°/s (Prior + Expert Qualif.), __._°/s (Prior + Ace Qualif.)
  • Reload Rate: 26.0s (Stock), 23.0s (Full Crew), 21.2s (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%
Type 95 APHE 63 61 52 43 36 30 APHE 290 36 1.3 15 2,600 -1° 43° 30° 25°
Type 92 HE 55 55 55 55 55 55 HE 290 36 0.1 0.5 7,020 +0° 11° 10°
Ammo racks
Ammo racks of the Ho-Ro
Full
ammo
Ammo
Part
1st
rack empty
2nd
rack empty
3rd
rack empty
4th
rack empty
Recommendations Visual
discrepancy
28 Projectiles
Propellants
22 (+6)
22 (+6)
14 (+14)
14 (+14)
10  (+18)
10 (+18)
(+27)
(+27)
Keep Full no

Secondary armament

1 x 7.7 mm Type 97 machine gun (pintle-mount)

Crew

  • Commander
  • Gunner
  • Loader
  • Driver

Total: 4 Crew members

Armour

Armour type:

  • Rolled homogeneous armour
Armour Front Sides Rear Roof
Hull 12 mm (80°) Front glacis
15 mm (63°) Joint plate
25 mm (37-64°) Lower glacis
25 mm (28-36°) Top Left
25 mm (25-26°) Top Right
20 mm Bottom
17 mm (70°)
20 mm (4-69°)
8.5-12 mm
Turret 25 mm (15°) 20 mm (0-11°) N/A 12 mm

Notes:

  • Suspension wheels and tracks are both 15 mm thick.

Engine & mobility

Weight: 14.8 ton

Max Speed: 43 km/h
Stock

  • Engine Power: 241 hp @ 2000 rpm
  • Power-to-Weight Ratio: 16.28 hp/ton
  • Maximum Inclination: 26°

Upgraded

  • Engine Power: 297 hp @ 2000 rpm
  • Power-to-Weight Ratio: 20.07 hp/ton
  • Maximum Inclination: 33°
Weight: 14.8 ton

Max Speed: 40 km/h
Stock

  • Engine Power: 150 hp @ 2000 rpm
  • Power-to-Weight Ratio: 10.13 hp/ton
  • Maximum Inclination: 28°

Upgraded

  • Engine Power: 170 hp @ 2000 rpm
  • Power-to-Weight Ratio: 11.49 hp/ton
  • Maximum Inclination: 32°
Weight: 14.8 ton

Max Speed: 40 km/h
Stock

  • Engine Power: 150 hp @ 2000 rpm
  • Power-to-Weight Ratio: 10.13 hp/ton
  • Maximum Inclination: 28°

Upgraded

  • Engine Power: 170 hp @ 2000 rpm
  • Power-to-Weight Ratio: 11.49 hp/ton
  • Maximum Inclination: 32°

Modules and improvements

Tier Mobility Protection Firepower
I Tracks Parts Horizontal drive
II Suspension, Brake system FPE Adjustment of fire
III Filters Crew replenishment Elevation mechanism
IV Transmission, Engine

Recommendation:

History of creation and combat usage

Screenshots and fan art

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

Additional information (links)

References

  1. Silentstalker. "Japanese Tank Nomenclature." For the Record. WordPress, 06 Dec. 2013. Web. 15 Jan. 2017. <http://ftr.wot-news.com/2013/12/06/japanese-tank-nomenclature/>
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jp_type_4_ho_ro.png

Icon-country-jap.png Type 4 Ho-Ro
Nation Japan
Type Tank destroyer
Rank 1
Battle Rating
1.7
1.7
1.7

   Metric✓       Imperial   

   Metric       Imperial✓   

Characteristics
Weight
14,800 kg
32,628 lb
Number of Crew 4
Hull armour thickness
25/25/20/12 mm
0.98/0.98/0.79/0.47 inches
Statistics
Engine power (stock)
241 hp
150 hp
150 hp
Engine power (upgraded)
297 hp
170 hp
170 hp
HP/ton ratio (stock)
16.28
16.54
10.13
10.30
10.13
10.30
HP/ton ratio (Upgraded)
20.07
20.39
11.49
11.67
11.49
11.67
Max speed
43 km/h
27.0 mph
40 km/h
24.9 mph
40 km/h
24.9 mph
Main Weapon
1 x 150 mm Type 38 Howitzer
Ammo stowage 28 rounds
Vertical guidance -10°/20°
Horizontal guidance -5°/5°
Secondary Weapon
1 x 7.7 mm Type 97 Machine gun
Ammo stowage 3,000 rounds
Mount Pintle mount
Vertical guidance -10°/60°
Horizontal guidance -60°/60°
Economy
Required RP 4,000 RP
Vehicle cost 2,100 SL
Crew training cost 600 SL
Max repair cost*
260 SL
310 SL
370 SL
Free repair time (Stock)
15m
31m
31m
Free repair time (Upgraded)
5m
10m
10m
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