Sennebogen telescopic cranes

Sennebogen Cranes

643E Telescopic Crawler Crane

Lifting Capacity : 40t
Boom height : 44m
Engine capacity : 135kW
Weight: 24-26.3t


  • Output 135 kW/184 HP at 2000 rpm Model Deutz TCD 2012 L06 2V -TIER III
  • Direct injection, turbo charged, intercooler, reduced emission
  • Water cooled
  • Dry air filter with precleaner, automatic dust discharge main and safety element, pollution indicator
  • Fuel tank 300 l Electric system 24 Volt Batteries 2 x 110 Ah, main switch


  • load sensing/LUDV system for working functions and drive function
  • Hydraulic pump Variable displacement piston pump, swashplate type, load sensing regulation for parallel, independent operation of the working functions
  • Pump regelation Zero-flow regulation, flow on demand control the pumps only supplying the required oil, pressure cut off
  • Oil flow max. 280 l/min Pressure max. 330 bar
  • Separate hydraulic circuit for swing operation
  • Pump type Gear pump Oil flow max. 35 l/min
  • Pressure max. 240 bar
  • Filtration High-efficiency filtration with long-time change interval, SENNEBOGEN HydroClean micro filtration with water separation, optional
  • Cooling Large-sized cooling unit Hydraulic tank 440 l
  • Steering Proportional, hydraulically and precise control of the hydraulic functions, 2 servo joysticks for operating movements, additional functions through switches and foot pedals
  • Safety valves for all hydraulic circuits High efficiency through well designed hydraulic valves and lines.
  • Pressure accumulator for lowering of attachments when engine turned off
  • Central pressure test ports Safety check valves for boom cylinders
  • Safety check valves for telescopic boom cylinders

Swing drive

  • Compact planetery reduction gear with hydraulic piston motor, integrated brake valves
  • Parking brake Multi-disc brake, spring-loaded
  • Swing bearing Strong ball bearing, sealed
  • Swing speed 0-2 rpm, stepless


  • Very strong, hydraulically exdendable crawler undercarriage with integrated, proteced drives
  • Drive system – High traction force through 2 speed variable displacement piston motors with directly mounted automatic brake valves and planetary gears at each track side
  • Parking brake – Multi-disc brake, spring loaded
  • Tracks – Maintenance free track type with hydraulic track tensioning system, triple groucer shoes. Flat shoes optional
  • Travel speed 0-1.2 / 0-2.7 km/h

Upper structure

  • Torsion resistent box type design precision machined, steel bushes for the boom pivot.
  • Clear, very service friendly design longitudinal installation of the engine

Working equipment

  • Design Decades of experience and state-of-the-art computer simulation guarantee highest stability and durability
  • T elescopic boom 4-section telescopic boom, full power hydraulically extendable, 23.4 m or 30 m
  • Folding jib 6.5 m or 13 m length, fast and easy errection, while not using it can be folded at the side of the mainboom
  • Hoist winch Axial piston hydraulic motor, planetary gear, linepul (1
    layer), 40 kN, line speed 0-95 m/min, rope dia. 14 mm, 2. hoist winch optional
  • Safety brake Spring applied multi disc brake
  • Crane safety State-of-the-art safe load indicator with colour graphic display, hoist limit switch, rope limit switch, pressure relief and safety check valves
  • Hydraulic cylinders with high-grade seal and guide system

Operators cab

SENNEBOGEN maXcab with sliding door, excellent ergonomics, automatic heating/air conditioning with temperature pre-select and fresh air/recirculation filter, air suspended comfort seat optionally adjustable, excellent 360° visibility, SENNEBOGEN Diagnostics System

Service weight

  • 643 R with telescopic boom 30 m, jib 13 m and hook block 20t, 700 mm triple bar shoes
  • with counterweight 5.4 t approx. 36,900 kg
  • with counterweight 7 t + 4 t approx. 42,500 kg

* Further details see adobe specifications download or please contact PACECRANES. † Due to improvements, the specifications are subject to change without notice.