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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

The Duhast class tug is a little known class of naval auxiliary currently in service with the People's Liberation Army Navy (PLAN), and this 3200-horsepower tug has received NATO reporting name Duhast class. 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.

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.

References

1. ^ "3200-hp class tug". Retrieved 5 August 2015.
2. "PLANS recognition guide 2018". July 16, 2018.
3. "PLANS recognition guide 2019". February 19, 2020.
4. "PLANS recognition guide 2020". February 19, 2020.
5. "PLANS recognition guide 2015". August 7, 2015.

External links

• Wuhu Xinlian Shipbuilding Co., Ltd.

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Auxiliary vessels Ammunition ships (AE/AEM) Ammunition ship (AE) Type 072 (Yantai class) Ammunition ship, Missile/Rocket (AEM) Yuan Wang 21 (operated by SSF) Yuan Wang 22 (operated by SSF) Buoy tenders (AGL) Type 066 Yuch'in class Type 744A Yannan class Type 911I Yunan/Yunnan class Type 944A Yanni class Cable layers (ARC) Type 911II Yunan/Yunnan class Type 991I Type 991II Youdian class Cargo ships (AK) Reefer ships (AF) Dongleng class Cargo ships (AK) Qiongsha class Retired landing ships/crafts Float-on/float- off ships (AKF) Modified Hansa Sonderberg class Donghai Island Zhen Hua 33 General stores issue ships (AKS) Type 904 Dayun class Type 904A Danyao class Type 904B Danyao II class Roll-on/roll- off ships (AKR) Bo Sea Pearl class Chang Da Long China Revival China Railway Bo Sea No.3 Container ships (AKX) Converted/militarized container ships Self-propelled lighters/barges (YF) 500 cubic meter Dongbo 22 Crane ship (AB) Beiqi 384 class Unidentified class: Nan-Qi 746 Degaussing / 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8154/Type 792 FT-14 AIT class Submarine support ships Submarine rescue ships (ASR) Type 930 Hudong class Type 946 Dazhou class Type 946A Dadong class Submarine tenders (AS) Type 925 Dajiang class Type 926 Dalao class Submersibles (X) Deep-submergence rescue vehicle (DSRV) Type 7103 DSRV LR7 Deep-submergence vehicle (DSV) Harmony class Jiaolong class Rainbowfish class Sea Pole class Struggler class Other Submersibles (X) Osprey-class submersible Mobile diving bell QSZ-II submersible Diver propulsion vehicles (DPV) QX-50 QY-18 QY-40 QJY-001 Tankers Replenishment tanker (AOR) Hua Chuan Transport oiler (AOT) Fubai class Fujian class Fushi class Type 620 Shengli class Type 631 Fuchang class Type 637 Fuxiao class Water tanker (AWT) Fujian class Fushi class Jinyou class Nanshui 701 class Type 637 Fuxiao class Type 645 Guangzhou class Technological research ships Sonar trials ships Kantan class AGE/AGTR Technical research ships (AGTR) Mirage Hunter Unclassified Miscellaneous Submarine (IXSS) Chinese sailless submarine Torpedo trials craft Torpedo retrievers (TR/TWR) Dachou class AGT/TR/TWR Type 803 Type 917 Damen class AGT/TR/TWR Torpedo trials ships (YTT) Type 906 Xiang Yang Hong 9 class AGE/YTT Type 907A Tracking ship (AGM) Type 830 ATR/AGM Yuanwang class ARIS/AGM Training ships (AX) Training ship (AX) Daguan APB)/APT/AXT Type 0891A Dashi class Type 679 Daxing class Type 680 Dadu class Yanxi class ATLS/AX Training ship, sail (AXS) Type 2630 Onshore stationary training facilities Type 033 (Romeo class) Type 051/051Z (Luda class) Type 053H1Q (Jianghu-IV class) Type 6607 (Anshan class) Tugs (AT) Harbor tug (YT) Beituo 617 class Beituo 699 class Beituo 702 class Beituo 715 class Large harbor tug (YTB) Ducha class Duda class Duhast class Dupo class Rescue Tug (ATR) Bei-Tuo 739 class Datuo class ARS/ATR Dong-Tuo 835 class Haixiu 121 class Daozha class Type 830 AGM/ATR Sea-going Tug (ATA) Type 802 Gromovoy class Type 837 Hujiu class Type 852 Roslavl class Tugs of unknown class/type Bei-Tuo 153, 651, 704, 728, Dong-Tuo 845, 861, Nan-Tuo 142, 163, 168, 176, 187, 188 UAV mothershps (ATLS) Fighting Shark No.1 Yanxi class AGM/AVM/ATLS Unmanned surface vehicles (USV) CASIC USVs Chinese Sea Hunter Sky Journey 1 HUST USVs JARI USV JUST USV Ostar USVs PWT USV Shanghai University USV Type 80 demolition boat VVLAI USV WSST USVs Yunzhou USVs Unmanned underwater vehicles (UUV) Autonomous underwater vehicle (AUV) CR series Explorer series HSU-001 Intelligent Water class JUST AUVs Micro Dragon Series Orange Shark series Ostar AUVs Poseidon series Robosea AUVs Sea Clever Sea Whale series Submerged Dragon series THLMT AUVs Wukong WZODA XTDT Benthic landers CAS series Rainbowfish series Bottom crawlers Aquadrobotman series CSSC series Deepinfar series JUST series Robosea series SBSS series Sea Crab Sea Star THLMT unmanned vehicles#Underwater series VVLAI series Hybrid UUVs (Autonomous remotely -operated vehicles, ARVs) 7B8 Arctic series Hadal Hadal 1 Rainbowfish ARV Remotely operated underwater vehicle (ROUV) 8A4 8H4 Aquarobotman ROUV Deepinfar ROUVs Discovery Dragon Emperor Dragon Pearl Goldfish series JH-01 (Jiao-Hai 01) JTD-01 Deep Eel I JTML-02 JTMP series JTR series JUST ROUVs Max ROV Oceanxer ROUVs Ostar ROUVs PWT ROUV RECON-IV ROUV Robosea ROUVs SBSS ROUVs Sea Dragon series Sea Person (Hai-Ren/HR) series Sea Pole Sea Star 6000 Sea Submergence series SJT series ST-6000 THLMT ROUVs VVLAI ROUVs Walrus 1500 Underwater gliders Flying Wing Petrel series Sea Soar series Deepinfar Sea Wing series THLMT series Wave gliders CSSC series Hydrovo series Ostar series THLMT Black Pearl Weapon trials ships (AVM/AGM) Type 909 Wuhu-B class Type 909A Dahua class Type 910 Dahua-II class
* = Under construction or procurement, = Classified as guided missile cruiser by NATO, = Classified as light frigate by PLAN

• Auxiliary tugboat classes
• Auxiliary ships of the People's Liberation Army Navy
• Tugboats of the People's Liberation Army Navy