Trailer cranes

K23-33 TSR City

With a hook height of nearly 33 m, the K23-33 TSR City is the largest trailer crane produced by Klaas. With its lateral range of 23 m with a load of 250 kg, it features an enormous radius of action. The aluminium crane can be converted into a work platform in a few minutes without tools, thus enabling varied, safe work on the building site. Thanks to its self-drive mechanism it is able to manoeuvre into suitable gap with pinpoint accuracy and be shortened to 7 m due to its retractable drawbar. As a single axle model with a low net weight of 3.5 t, it is also easy to handle in tight spaces.

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Equipment

Telescoping winch

  • quick telescoping under load thanks to patented Klaas rope technology
  • integrated electronic length measurement records current extension length of the mast and calculates maximum possible payload
  • low net weight of the ropes increases range of action and payload
  • low-maintenance and very easy to reach rope technology

Dual derricking cylinders

  • boom raised with low torsion thanks to two luffing cylinders
  • double safety due to two cylinders
  • better absorption of lateral guide forces, making the boom more stable and still

Twin luffing cylinders

  • higher loads lifted on integrated extensions thanks to newly designed folding jib joint
  • pressure monitoring in the folding jib cylinders guarantees optimal lifting of loads in any angular position
  • twin luffing cylinders for even more security and protection against lateral forces

Radio remote control

  • memory function learns two target points (e.g. where material is on the ground and unloading point on the roof), during which the crane moves in safe hold-to-run mode
  • difficult-to-see places moved to with pinpoint accuracy
  • all the crane’s key operating statuses shown on the display
  • power supplied by standard batteries or cable

Automatic levelling

  • the crane is completely set up quickly and easily using the radio remote control
  • each individual support infinitely extends laterally
  • automatic levelling of the support cylinders for optimal set-up even on uneven surfaces
  • constant pressure monitoring reacts to changing outside conditions

Endlessly rotatable

  • upper structure with the boom can be rotated 360°

Boom system

  • extremely strong and weather-resistant aluminium special alloy with low net weight
  • no strength loss in the welding seam due to new stir welding process, joints are as strong as the solid material
  • typical Klaas hole pattern ensures smaller wind-exposed areas, low net weight and high dent resistance

Crane control system

  • ultra-modern safety PLC for the crane operation
  • CAN BUS control block for particularly sensitive and accurate work
  • soft start/stop for low-vibration work
  • radio remote control with LCD display (can also be operated with cable, e.g. in case of wireless network interference)

H-Outriggers

  • fully hydraulic support in conjunction with the ASC support monitoring system enables infinitely variable outrigger widths, also in the direction of the range of action
  • no fixed increments that restrict the operator
  • l-shaped support ensure best possible safety against overturning
  • support without underpinning possible thanks to long, vertical cylinder

Full panelling

  • roomy, lockable storage compartments
  • secure storage of tools and accessories
  • large storage surface on the crane
  • high-quality, neat overall appearance thanks to aluminium full checker plate panelling

Drive concept

  • powerful diesel engine for the crane operation
  • low fuel consumption meaning enormous cost saving and reduction of environmental impact
  • electronic tank monitoring on the crane and display via the remote control unit

Retractable drawbar

  • reducing the total length from 9.25 m to 7.00 m enables set-up even where there is not much room

Self-drive mechanism

  • hydraulic self-drive mechanism operated by standard remote control
  • two-axle models equipped with a lift axle
  • easy manoeuvring in tight spaces

Optional equipment

Accessory fix system

  • accessories are securely stored and immediately within reach
  • no cumbersome lashing necessary
  • custom-fit holders ensure safety on the road
  • crane equipped with fitting brackets

Mounting-/glass hook

  • every Klaas mobile crane can be equipped with an optional mountinghook function
  • assembly hook enables precise material transport
  • application area: e. g. glass mounting with vacuum lifter

Working platform

  • The crane can be converted to a fully-fledged working platform in less than 5 minutes.
  • 230 V socket provides power for electric tools in the working platform.
  • The working platform can be swivelled left and right by 45° to either side.

Technical specifications

Hook load (stand./opt.)1,500 / – kg
Hook height32.8 m
Total weight≥ 3.5 t
Boom length34.10 m
Outrigger width (min.)2.85 m
Outrigger width (min. by HA)3.60 m
Outrigger width (max.)5.02 m
Winch capacity1,500 kg
Boom (1,500 kg)4.97 m
Extension 1 (800 kg)8.26 m
Extension 2 (500 kg)10.39 m
Extension 3 (250 kg)12.31 m
Vehicle dimensions9,24 x 2,28 x 2,48 m
Towing capacity3.50 t

Working range

LoadRangeHeight
1,500 kg4.50 m22.00 m
1,000 kg8.50 m20.50 m
800 kg9.50 m24.50 m
500 kg14.00 m21.50 m
350 kg17.00 m23.00 m
250 kg23.00 m19.00 m

Working range diagrams



Subject to technical changes. All dimensions are approximate. The right is reserved to alter the functions and performance. The information reflects the appliance performance at the time of publication.
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