The Duhast class tug is a little known class of naval auxiliary currently in service with the People's Liberation Army Navy (PLAN),^[1] and this 3200-horsepower tug has received NATO reporting name Duhast class.^[2][3][4][5] Built by Wuhu Xinlian Shipbuilding Co., Ltd. (芜湖新联造船有限公司), formerly Wuhu Shipyard, since 2004, the name of this class is taken from the installed power of the vessels, with the exact type designation still remaining unknown. After the first pair was built, as of the mid-2010s, a total of twelve of this class have been confirmed as being in active service.^[1]

Quick Facts Class overview, General characteristics ...

Class overview
Operators	People's Liberation Army Navy
General characteristics
Class and type	3200-hp class tug
Displacement	2,300 t (2,300 long tons; 2,500 short tons)
Length	34 m (111 ft 7 in) o/a 29.4 m (96 ft 5 in) w/l
Beam	10 m (32 ft 10 in)
Draft	3.5 m (11 ft 6 in)
Depth	4.5 m (14 ft 9 in)
Propulsion	2 × marine diesel engines, 1,800 hp (1,342 kW) 2 shafts
Speed	12 knots (22 km/h; 14 mph)
Range	1,500 nmi (2,800 km; 1,700 mi)
Complement	11
Electronic warfare & decoys	None
Armament	Unarmed
Aircraft carried	None
Aviation facilities	None

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The 3200-horsepower class series ships in PLAN service are designated by a combination of two Chinese characters followed by three-digit number. The second Chinese character is Tuo (拖), meaning tug in Chinese, because these ships are classified as tugboats. The first Chinese character denotes which fleet the ship is service with, with East (Dong, 东) for East Sea Fleet, North (Bei, 北) for North Sea Fleet, and South (Nan, 南) for South Sea Fleet. However, the pennant numbers may have changed due to the change of Chinese naval ships naming convention.