D-56TS (76 mm)

The 76 mm D-56TS on the PT-76B

Description

The 76 mm D-56TS is a Soviet cannon armament. It is found in War Thunder used in the PT-76B light tank, which then found use in the Soviet Navy on the Project 1204 gunboats due to the mounting of a PT-76B turret as a firing platform.

The weapon's designation suffixes indicate the weapon's format as a tank-mounted weapon ("T") that was stabilized ("S").

Vehicles equipped with this weapon

• PT-76B
• ▄PT-76
• Pr.1204
• Pr.1204 late

General info

Tell us about the tactical and technical characteristics of the cannon or machine gun.

Available ammunition

Tank ammunition

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
BR-354N	APCR	152	148	129	109	92	78
BR-354	APHE	99	97	89	80	72	65
BK-354M	HEATFS	200	200	200	200	200	200
OF-350M	HE	10	10	10	10	10	10

Shell details
Ammunition	Type of warhead	Velocity (m/s)	Projectile mass (kg)	Fuse delay (m)	Fuse sensitivity (mm)	Explosive mass (TNT equivalent) (g)	Ricochet
							0%	50%	100%
BR-354N	APCR	950	3.3	-	-	-	66°	70°	72°
BR-354	APHE	655	6.5	1.2	14	49.28	47°	60°	65°
BK-354M	HEATFS	700	7	0.05	0.1	550	65°	72°	77°
OF-350M	HE	680	6.2	0.05	0.1	621	79°	80°	81°

Naval ammunition

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

Shell details
Ammunition	Type of warhead	Velocity (m/s)	Projectile mass (kg)	Fuse delay (m)	Fuse sensitivity (mm)	Explosive mass (TNT equivalent) (g)	Ricochet
							0%	50%	100%

Comparison with analogues

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Usage in battles

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Pros and cons

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Pros:

Cons:

History

The D-56TS is a variant of the D-56T used by the Soviet PT-76 series of amphibious light tanks. Intended to provide fire support for Soviet Naval Infantry, the D-56T was not initially stabilized. This presented a problem for the tank as it meant it could not fire while traveling through the water and would not be able to fire on the move while on land, not ideal for a tank that was intended to participate in beach landings. Enter the PT-76B, which provided improvements in multiple departments including optics, mobility, and most importantly firepower. Taking cues from the STP-2 "Tsyklon" system installed on the T-54B, the gun now had its own stabilization system. The added weight of the new STP-2P "Zarya" two-plane stabilizer system resulted in more weight being towards the gun breech so the thickness of the fume extractor was increased to serve as a counterweight. The "Zarya" gave the D-56TS both an automatic and semi-automatic stabilization mode with the latter intended as a backup. The hydraulic stabilizer features a collapsible shoulder guard to protect the commander during automatic adjustments and an autoblock system for faster follow-up shots and improved loading over uneven terrain. The autoblocker can be disabled at the commander's discretion during which the hydrolock would take over. Unlike the "Tsyklon", the "Zarya" didn't have a loader assist which was seen as redundant as the PT-76B stores most of the ammunition in the turret instead of the hull like the T-54. Along with the PT-76B, the D-56TS saw use on the Shmel-class or Pr.1204 patrol boats using the same turret as the PT-76.

Media

Excellent additions to the article would be video guides, screenshots from the game, and photos.

Images

• 

  76 mm D-56TS on the Pr.1204

See also

• D-56T (76 mm) - The same weapon, but unstabilised.

External links

• [The Soviet Armour Blog] PT-76 (Web Archive)

Sweden tank cannons
20 mm	Akan m/47D · Pvlvkan m/40
37 mm	kan m/38
40 mm	akan m/70B
57 mm	Pvkan m/43
75 mm	kan m/02 · kan m/41 · kan Strv 74 · lvkan m/37 A · pvkan m/43
84 mm	kan Strv 81
90 mm	kan Ikv 91
105 mm	kan Bofors · kan Ikv · kan m/44 · kan Strv 101 · L74
120 mm	automatkanon · CTG · kan Strv 121 · kan Strv 122
150 mm	fsthaub m/02
155 mm	kan m/60
	Foreign:
35 mm	Bushmaster 3 (USA)
73 mm	2A28 (USSR)
75 mm	M3 (USA)
88 mm	KwK43 (Germany)
105 mm	L/50 (Belgium) · L7A3 (Germany)
125 mm	2A46M-1 (USSR)
155 mm	CN98 (South Korea)
	Finland
37 mm	Psv.K/36
114 mm	Psv.H/18
	Foreign:
30 mm	Bushmaster 2 Mk.44 (USA)
45 mm	20-K (USSR)
75 mm	KwK40 L48 (Germany)
76 mm	D-56TS (USSR) · F-34 (USSR) · L-10 (USSR)
77 mm	OQF Mk.II (Britain)
84 mm	20pdr OQF Mk.I (Britain)
85 mm	ZIS-S-53 (USSR)
100 mm	D-10T (USSR) · D-10T2S (USSR)
105 mm	L/50 (Belgium)
120 mm	Rh120 L/44 (Germany) · Rh120 L/55 (Germany)
125 mm	2A46 (USSR)

USSR naval cannons
20 mm	ShVAK
25 mm	2M-3
30 mm	AK-230 · 30 mm/54 AK-630 · 30 mm/54 AK-630M · BP "Plamya"
37 mm	37 mm/67 70-K · V-11
45 mm	45 mm/46 21-K · 45 mm/68 21-KM · 45 mm/89 SM-20-ZIF · 45 mm/89 SM-21-ZIF
57 mm	AK-725
75 mm	75 mm/50 Canet patt.1892
76 mm	34-K · 39-K · 76 mm/60 AK-176M · AK-726 · D-56TS · F-34 · Lender AA gun, pattern 1914/15
85 mm	85 mm/52 92-K · 85 mm/54.6 ZIS-C-53 · 90-K
100 mm	100 mm/56 B-34 · 100 mm/70 SM-5-1 · Minizini
102 mm	Pattern 1911
120 mm	120 mm/50 pattern 1905
130 mm	130 mm/55 pattern 1913 · 130 mm/58 SM-2-1 · B-13
152 mm	152 mm/57 B-38
180 mm	180 mm/57 B-1-P · 180 mm/60 B-1-K
305 mm	12-inch/52 pattern 1907 · 305 mm/54 B-50
356 mm	14-inch/52 pattern 1913 (356 mm)
	Foreign:
40 mm	2pdr QF Mk.IIc (Britain) · Skoda (Czechoslovakia)
47 mm	3 pdr QF Hotchkiss (Britain)
76 mm	76 mm/40 Ansaldo mod.1917 (Italy)
88 mm	SK C/30 (Germany)
120 mm	120 mm/50 Mk.4 Bofors M1924 (Sweden) · 120 mm/50 O.T.O. Mod.1933 (Italy)
152 mm	152/53 mm O.T.O. Mod.1929 (Italy)
320 mm	320 mm/44 Ansaldo model 1934 (Italy)