20 Ton Overhead Power Line Conductor Tensioner

Price: 140000.0 USD
Payment Terms: T/T,L/C
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Basic Info.
  • Brand Name: Dongfang 
  • Overhead Line Stringing Equipment: 20 Ton Overhead Line Conductor Tensioner 
  • Model: SA-YZ4X50 
  • Max. Tension force: 20 Ton 200 KN 
  • Max. Stringing Speed: 5 km per hour 
  • Max. pulling back force: 20 Ton 4X50 KN 
  • Max. pull back speed: 4X1.5 km per hour 
  • Max. diameter of conductor: 42 mm 
  • Quantity of conductors: 4 or 2 conductors 
  • Model No.: SA-YQ4X50 
  • Place of Origin: Zhejiang  
  • Min.Order: 1 Set/Sets
  • Means of Transport: Ocean
Supply Capacity
  • Production Capacity: 10 sets per month
  • Packing:container plywood case
  • Delivery Date: 30-45 days

20 Ton Hydraulic Tensioner is used for four conductors stringing on 500 -800 KV transmisson line. It is equipped with Cummins diesel engine and Rexroth hydraulic pump and motors. It is used with 25 Ton or 30 Ton hydraulic pullers.


Hydraulic Tensioner 20 Ton capacity

Item No.




Max. Tension Force (KN)

4X50 or 2 X 100

Continuous Tension Force (KN)

4X45 or 2X 90

Max. Line Speed(km/h)


Max. Pulling back force (KN)

4X45 or 2 X 90

Max. Pulling back speed (km/h)

4 x 1.2

Diameter of Bullwheel (mm)


Number of grooves

4 X 5

Max. Conductor Diameter (mm)


Model of Engine

Water cooled Cummins

Power of Engine

82 KW

Rotate Speed of Engine (rpm)


Electrical system:


Weight (kg)


Dimension (m)

4.80 x 2.35 x 2.80


Application: The machine is used for stringing four or two bundled conductors or steel ropes.


-          Closed hydraulic circuit, infinitely variable pull / tension force control in both directions.

-          The max. tension / pull back force for conductor stringing operation can be preset, the tension /pull back force can be read from the tension gauge of machine.

-          Spring applied hydraulic released brake acts automatically in case of hydraulic failure to ensure line safety

-          Automatic overpull protection system.

-          Hydraulic oil cooling system. Hydraulic front jack.

-          Bull wheels lined with wear proof MC nylon lining segment.

-          Optional 4 hydraulic power outlets to control 4 sets of hydraulic reel stands.

-          Mounted on trailer with rigid axle for towing at max. speed of 15 km / h.


Main components:

-          Engine: Cummins water cooled engine (USA)

-          Main variable displacement pump and main motor: Rexroth (German)

-          Reducer: R.R. (Italian)

-          Main hydraulic valves: Rexroth (German)

-          Hydraulic Instrument: WIKA (German)

-          Radiator: AKG (German)

-          Quick couplings: EMB (German)



SA-YQ250 25 TON Hydraulic Winch Puller

Item No.




Stringing capacity

1 pilot steel wire rope

Max. Pulling Force (KN)


Max. Continuous Pulling Force (KN)


Speed at Max. continuous pull:


Max. Pulling Speed (m/min)


Root Diameter of Bull wheel (mm)


Number of grooves


Max. Steel rope Diameter (mm)


Model of Cummins Diesel Engine

Water cooled diesel engine

Power of Diesel Engine

261 KW

Rotate Speed of Engine (rpm)


Electrical System


Weight (kg)


Dimension (m)

5.75 x 2.35 x 2.75


Application: The hydraulic puller is used to pull four bundled conductors or 6 bundled conductors for power line construction. It is fully hydraulic controlled, easily used and maintained


-          Closed hydraulic circuit,infinitely variable speed control in both rotating directions.

-          The max pulling force for stringing operation can be preset, pulling force in the rope can be read on the line pull gauge.

-          Automatic over pulling protection system

-          Spring applied hydraulic released brake acts automatically in case of hydraulic failure to ensure safety.

-          Hydraulic oil cooling system.

-          Heat treated wear-proof bull wheels

-          With rigid axle for towing at high speed, the machine looks beautiful.

-          Hydraulic actuated pulling rope clamp for convenient reel change.

-          Integral self-loading reel winder with automatic level wind.


Main Components:

-          Engine: Cummins  water-cooled diesel engine. (USA)

-          Main variable displacement hydraulic pump and main motor: Rexroth  (German)

-          Reducer: Rexroth. (Germany)

-          Reel winder motor: Danfoss (Danish)

-          Main hydraulic valves: Rexroth (Germany

-          Hydraulic instruments: WIKA (German)

-          Radiator: AKG (German)



1. The machine will be shipped in container

2. We will ship the products within one month normally after receiving the payment.

3. Stock is available for standard product.



1. The machine will be loaded in container and fixed with steel wire rope.

2. The accessory and operation manual will be packed in plywood case.


1. We accept T/T and L/C.

2. Please send swift copy of T/T if you arrange payment by T/T

3. Please send us the L/C draft to us before issue L/C.


Why choose us:

1. High quality and competitive price, more than 30 engineers working in the design and quality control department.

2. Leading and biggest manufacture for stringing equipment in China.

3. 25 years of production experience and more than 1000 customers in the country and abroad market. The set of 9 ton puller and 8 ton tensioner have been sold to more than 20 countries.

4. Big stock condition for fast shipment.

5. Detailed pre-sales service and fast active after-sales service. Response within 12 hours after-sales service

Send message to this supplier
Mr. Michael Zhou
Tel: 86-133-06667709
Mobile: 13306667709
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Contact Method
Ningbo Huaxiang Dongfang Machinery and Tools of Power CO., Ltd.
Habour Industry Zone, Xianxiang Town, Xiangshan,, Ningbo, Zhejiang, China (Mainland)
Fax: 86-574-88393666
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