
The SANY SCC550A is a dependable 50–55 ton class crawler crane designed to deliver stable, precise and efficient lifting across a wide range of construction and industrial projects. Built with a robust lattice boom and a crawler track base for superior ground stability, it is well suited to infrastructure works, steel erection, equipment installation and general heavy lifting.
Key features
The crawler track system ensures balanced load distribution and reliable performance on uneven or challenging ground. Lifting capacity varies with boom length, working radius, counterweight configuration and reeving. Official load charts are available on request.
Working ranges
Pick a section to see how the SCC550A is built up for your lift.
| Main boom | Value | Note |
|---|---|---|
| Boom length | 13 – 52 m | 43–171 ft |
| Basic boom | 6.5 m + 6.5 m | 6.5 m boom base + 6.5 m boom top |
| Boom inserts | 3 m × 1, 6 m × 3, 9 m × 2 | Pin-connected lattice sections |
| Pendant cables | — | Quick-hitch connectors optional |
| Max rated capacity | 55 t | 60 t hook block, 5 sheaves |
| Fixed jib | Value | Note |
|---|---|---|
| Jib length | 6.1 – 15.25 m | 20–50 ft |
| Basic jib | 3.05 m + 3.05 m | Jib base + jib top |
| Jib inserts | 3.05 m × 3 | |
| Longest boom + jib | 43 m + 15.25 m | 58.25 m combined length |
| Extension jib | 1.0 m | Welded, pinned to boom tip for the auxiliary hook |
| Rear counterweight part | Qty | Weight |
|---|---|---|
| Counterweight tray | 1 | 6.59 t |
| Left counterweight block (1) | 1 | 2.35 t |
| Right counterweight block (1) | 1 | 2.27 t |
| Left counterweight block (2) | 1 | 2.43 t |
| Right counterweight block (2) | 1 | 2.43 t |
| Total rear counterweight | approx. 16 t |
| Hook block | Sheaves | Use |
|---|---|---|
| 60 t hook block | 5 | Heaviest main hoist lifts |
| 45 t hook block | 3 | Mid-range lifts |
| 15 t hook | 1 | Light lifts |
| 9 t ball hook | — | Fast single-line work on the jib or auxiliary hook |
Technical data
Safety devices
Shows rated and actual load, radius and boom angle; cuts dangerous moves and records lift history
Green under 90%, yellow 90–100% with alarm, red at 100% with automatic cut-off
Limit switch at the boom tip stops the hook before it reaches the top
Stops the winch when only three wraps of rope remain on the drum
Two-stage upper boom limit and a spring back-stop against backward tipping
Pawl locks the boom luffing drum when the handle returns to neutral
All handles lock when the lever is up or the operator leaves the seat
Mechanical lock for transport; indicator light flashes while swinging or travelling
Boom-tip wind speed shown in cab, plus a height warning light on the boom or jib
Shows the crane's tilt in real time and alarms when out of limit
Cuts power to the whole machine and stops every action
Power-limit load adjustment against stalling, plus live engine status monitoring
GPS location, machine status, operating data and remote fault diagnosis
Baffle plate on the hook stops the rope from falling off
Pendulum indicator on the boom base, visible from the cab
Start-up alarm light and adjustable lighting for night operation