Cranes · Make & Model reference
Sennebogen 7700 EQ
The 7700 EQ is an equilibrium cycle crane, using a counterweight to balance the boom and load, significantly reducing energy consumption for high-volume work.
Operating weight
320,000 lbs
Horsepower
270 hp
Fuel burn
6.0 - 9.0 gph
Years produced
2010 - present
AI-updated · Last refresh 7/19/2026
Full specifications
Max Lift Capacity110,000 lbs (at 50ft radius)
Boom Length100 ft
Dipper Length70 ft
Operating Weight320,000 lbs
Engine TypeCummins QSX15
Undercarriage TypeCrawler
Shipping dimensions
Length70 ft
Width18 ft
Height16 ft
Weight320,000 lbs
Use these for permit routing and lowboy selection.
Recent auction history
| Year range | Hours | Avg | Low | High |
|---|---|---|---|---|
| 2018-2021 | 5,000-8,000 | $950,000 | $800,000 | $1,100,000 |
| 2014-2017 | 9,000-14,000 | $700,000 | $600,000 | $850,000 |
AI price estimate
Excellent, low hours
2021 model year
$1,200,000
Good, avg hours
2018 model year
$900,000
Fair, high hours
2014 model year
$650,000
Common problems to check
- Boom integrity inspections critical
- Lattice structure damage prevention
- Regular counterweight checks required
Why buyers pick it
- Extreme lifting capacity
- Long reach for significant excavation/dredging
- Stable lifting platform
- Cost-effective balance principle
Best jobs for this machine
Dredging operationsMarine constructionQuarry and mining operationsDeep excavation
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