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Basic parameters

1. Maximum lifting capacity: 18 tons
2. Maximum working range: 70 meters (or 75 meters, depending on the configuration)
3. Boom tip lifting weight: about 3.0 tons (at 70/75 meters)
4. Independent height: about 60 meters
5. Attached height: up to 200 meters (depending on the number of attachments)

Mechanism parameters

1. Lifting mechanism
Power: 55 kW (frequency control)
Speed: 0~100 m/min (stepless speed change)
Wire rope diameter: φ18~20 mm

2. Luffing mechanism (trolley type)
Power: 5.5 kW
Speed: about 40 m/min

3. Slewing mechanism
Power: 2×5.5 kW (variable frequency)
Speed: 0~0.6 r/min

4. Lifting mechanism
Power: 7.5 kW
Lifting speed: about 0.5 m/min

Structural parameters

1. Standard section size: 2×2×3.0 meters
2. Tower section: square/rectangular
3. Counterweight: about 15~25 tons (configured according to arm length)

Electrical system

Voltage: 380V/50Hz
Control mode: PLC+variable frequency drive

Working environment

Working temperature: -20℃ ~ +40℃
Wind resistance: ≤20 m/s in working state, ≤42 m/s in non-working state

Precautions

1. The above parameters are based on the typical configuration of Yongmao STT373 series. The actual parameters may vary depending on the specific model (such as STT373A/B) or customized configuration.
2. Installation and use must comply with the "Safety Regulations for Tower Cranes" (GB5144) and the manufacturer's technical requirements.

Factory Stock

Factory

Shandong Yongsheng Mechanical Engineering Co., Ltd. was established in 2020 and is headquartered in Jinan, Shandong, China. It is a high-tech enterprise specializing in construction machinery, integrating R&D, manufacturing, sales and export services. The company has a modern production and marketing base of 26,000 square meters, and its products are committed to providing safe and efficient earthwork, mineral resources and lifting machinery solutions for the fields of construction, mineral energy, transportation, etc.

2020

Found in

26000 ㎡

Area

Advantages

- 1. Provide free accommodation and meals;

- 2. Arrange a professional driver to escort you after arrival;

- 3. After years of cooperation with many well-known construction companies in China, we have accumulated a wealth of successful cases;

- 4. Provide high-quality after-sales service after purchasing the equipment.

Exhibition

We have professional skills and professional knowledge in evaluating machinery and equipment, so that overseas customers can buy without worries. At present, more than 200 new and second-hand engineering machinery and equipment have been provided to overseas, which has been well received by overseas customers.

Our advantages

HIGH-QUALITY

We always choose
high-quality steel to
ensure product quality.

FAST DELIVERY

Mature logistics systemto
ensure timely and
safe delivery.

EXPERIENCED

Years of experience
in product
production and sales.

REASONABLE PRICE

Factory production can
provide the most
reasonable price.

VISUAL PRODUCTION

The production processis
open to customers.

24-HOUR SERVICE

24-Hour online service
to keep abreast of the
order progress.

GET A FREE QUOTE

Second-hand YONGMAO