75 Ton Gantry Crane

75 ton gantry crane is used for handling heavy-duty materials, which is similar to 70 ton gantries and 80 ton cranes. High working class of 75 ton crane reflects two features of high load-up condition and high busyness.

We set a high value on the maintenance of the crane. In order to lengthen cranes lifetime, our engineers and technicians attempts a lot. And we finally developed some unique technologies benefited by mutual discussion and kinds of efforts.

75 Ton Double Girder Gantry Crane
75 Ton Double Girder Gantry Crane

75 Ton Double Girder Crane Parameters:

  • Lifting Capacity: 5t~500t
  • Span Length: 18~35m
  • Lifting Height: 6~18m
  • Lifting Speed: 1.5~11.5m/min
  • Trolley Traveling Speed: 10~40.1m/min
  • Crane Traveling Speed: 16~50m/min
  • Working Class: A3-A7
  • Provide Custom Option

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The Reasons of Leakage in Speed Reducer

1. Unreasonable design of manufacturer.
2. Limited processing technology causing the insufficient contact of the box.
3. Inadequate maintenance of operators.

How to Prevent 75 Ton Crane Speed Reducer from Leakage?

1. 75 ton cranes suppliers should optimize its design and improve the workmanship.
2. Put air-breather in the organ and to keep smooth of internal and external pressures.
3. Inspecting air-vent, oil quantity, box, and other components routinely.

75 tonnage crane in our company is of high-quality and reasonable price.

Technical Parameter of  AQ-MG Double Girder Gantry Crane

Capacity t 5 10 16 20 32
Span S(m) 18~35 18~35 18~35 18~35 18~35
Lifting height m 6~18 6~18 6~18 6~18 6~18
Lifting speed m/min 11.5 8.5 7.9 7.2 6
Trolley speed m/min 37.2 37.4 40.1 40 37
Crane speed m/min 37.7 37.7 40.1 40.1 38
Work duty A3-A7 A3-A7 A3-A7 A3-A7 A3-A7
Track type P43 P43 P43 QU70 P43 QU70 P50 QU80
Capacity t 50 75 100 160 200
Span S(m) 18~35 18~35 18~35 18~35 18~35
Lifting height m 6~18 6~18 6~18 6~18 6~18
Lifting speed m/min 5.9 4.7 3.9 3.5 3.5
Trolley speed m/min 31.3 38.2 33.9 22.5 29
Crane speed m/min 44 38.3 32.3 28 28
Work duty A3-A7 A3-A7 A3-A7 A3-A7 A3-A7
Track type QU80 QU80 QU100 QU100 QU100
Capacity t 250 320 400 450 500
Span S(m) 18~35 18~35 18~35 18~35 18~35
Lifting height m 6~18 6~18 6~18 6~18 6~18
Lifting speed m/min 2.2 2.3 1.5 1.5 1.5
Trolley speed m/min 28 16.6 10 10 11.5
Crane speed m/min 50 28 18 18 16
Work duty A3-A7 A3-A7 A3-A7 A3-A7 A3-A7
Track type QU120 QU120 QU120 QU120 QU120

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