The Liebherr LTM 1070-4.2 Mobile Crane is a jobsite workhorse, and when it’s down, everyone’s burning money. The BMK / Technical Information manual is what the techs, electricians, and field guys grab when they’re standing at the crane with a fault on the screen and a wiring diagram in hand. Component identification is what lets you go from “K15 on the print” to “that relay right there in this cabinet” without wasting half a day hunting around. The Technical Information & BMK Components Manual for Liebherr LTM 1070-4.2 Mobile Crane provides component identification diagrams, reference designators, and visual outlines used by technicians cross-referencing wiring or hydraulic schematics to physical parts on the crane.
What this manual helps you do
- Identify where specific components sit on the carrier or superstructure using outline and layout diagrams.
- Locate a component from a schematic tag (E-, K-, V-, X- numbers) on the actual LTM 1070-4.2 machine.
- Trace harness routes and cabinet contents so you know which box or area to open before you grab tools.
- Cross-reference component IDs to other Liebherr documents like wiring diagrams or technical fault info.
- Find the correct Liebherr naming for a component so parts catalogues and service manuals line up.
Who this is for
This is aimed at workshop technicians, field service techs, electrical diagnostic engineers, fleet mechanics, and training instructors. If you need step‑by‑step repairs, hydraulic/electrical test values, or orderable part numbers, you want the service manual and parts catalogue instead, not this BMK.
FAQ
Q: Is the PDF clear and searchable enough to zoom in on diagrams?
A: Yes, these BMK PDFs are usually clean scans or native files you can zoom and search by component code.
Q: Does it cover both the carrier and the crane upper for this serial?
A: Yes, this BMK is for carrier and superstructure together for LTM 1070-4.2 around SN 086185.
Q: Does it tie in with Liebherr wiring diagrams and service manuals?
A: Yes, it’s meant to match the reference designators used in wiring, hydraulic, and service documentation.
Bottom line: If your main problem is “Where is this component on the crane?” this is exactly the right manual. If you’re after how to fix it or what part number to order, this isn’t the one you need.
📘 Show Index
Table of Contents:
Carrier — Table of Contents
- Table of contents
- Chassis:
- Lighting front and mirrors
- View from rear- lighting
- Side view right- side marker lights
- Side view left- side marker lights
- Sockets, warning signal sensor
- Voltage converter, plug connections
- Earth- and distributor connector in the wiring loom 
- Immobiliser*
- Driver cab:
- Control elements
- Control elements centre console
- Doors and windows, interior lighting
- Ventilation and heat exchanger
- Additional heating Thermo Pro 90
- Air-conditioner
- Screen wiper and – washer
- Telemetry – FMS-interface, modem 
- Wiring loom – back-up camera, radio
- BTB, remote control module – BTT
- Driver cab – centre console:
- Battery box, fuses, voltage converter
- I/O modules, BTB
- Fuses
- Centre console – relay
- ABV Control unit, electrical components
- Diagnosis plug
- Pneumatic system:
- Air compressor and air treatment unit
- Compressed air reservoir
- Pneumatic valves in the driver cab
- Brake relay valves and overload protection valve
- Pressure sensors and pressure switches 
- Monitoring parking brake (from 086150) 
- Solenoid valve for auxiliary consumer (until 086272)
- Solenoid valve for auxiliary consumer (from 086273)
- Compressed air circuits – measuring points, trailer control valve
- Pneumatic system – disk brake system:
- Overview brake cylinder
- Brake pad monitoring
- Brake pad monitoring display
- Hill start assist (Hill Start Aid)
- ABV control valve
- ABV wheel speed sensors
- Overview drive assembly:
- Installation view
- Installation diesel engine
- Diesel engine D946 A7 -03 (eAGR) / -04 (SCRonly) / -05 (SCRF):
- Engine control unit
- Overview injection side
- Fuel pumps
- Fuel low pressure sensors
- Liebherr diesel injection system Daisy-Chain
- Injectors LCR-I S2, type plate
- Overview exhaust gas side
- Charge air sensors and charge air preheating
- Exhaust gas flap
- Exhaust gas turbo charger with wastegate
- Overview flywheel side and generator
- Speed sensors
- Overview fan side
- Cooling agent
- Oil circuit
- Temperature sensor OBD
- Terminal resistor engine-CAN (ECU-CAN2)
- Terminal resistor CAN-LIDEC (ECU-CAN2)
- Diesel engine D946 A7 -03 (eAGR) / Power Band H:
- Overview
- External exhaust gas return eAGR
- Intercooler temperature sensor
- Exhaust gas flap
- Exhaust after treatment -04 (SCRonly ) / -05 (SCRF):
- Urea tank with extraction module
- SCR-pump module
- Urea lines
- Exhaust after treatment -04 (SCRonly):
- Exhaust after treatment -05 (SCRF):
- Air filter system:
- Air filter-vacuum, air flap*
- Diesel fuel system:
- Cooling system:
- Cooler – installation
- Cooler – level sensor
- Automated shift gearbox:
- ZF-TraXon 12 TX 2610 SO (until 086272)
- ZF-TraXon 12 DX 2610 SO – wet starting clutch (from 086273)
- Hydraulic:
- Hydraulic oil reservoir
- Hydraulic pumps – overview
- Hydraulic pumps – crane hydraulic
- Drive train:
- Overview
- Distribution gearbox Kessler VG 2700 (until 086272)
- Distribution gearbox Kessler W 2700 (from 086273)
- Transversal differential locks, activation axle 1
- Transversal differential locks, axle 3 and 4
- Steering:
- Steering from superstructure
- Steering gear ZF-Servocom
- Oil supply steering circuit 1, deficiency monitoring
- Oil supply steering circuit 2, deficiency monitoring
- Active rear axle steering:
- CAN-Valves (HAWE)
- Valve block axle 3 to 4
- Pretension valve, metering connections MP6
- Angle sensor
- Steering- and centering cylinder, safety valves
- Support:
- Inclination sensor
- Support valves – right
- Support valves – left
- Sliding beam – extension cylinder
- Sliding beam monitoring with rope length sensor
- Support cylinder
- Support cylinder monitoring
- Level sensor- axle suspension
- Activation axle suspension
- Valve block – axle suspension right
- Valve block – axle suspension left
- Eddy current brake Telma FN 71-65
- Engine preheating – Thermo Top Pro 150 and Air Top Evo 55
- Additional heating UW- Air Top 2000 STC
- Emergency control crane hydraulic
- Dolly operation – switch over diaphragm reservoir
- Special equipment:
- Dolly operation – diaphragm reservoir overview
- External power supply 110 V / 230 V
- Battery charger
- Back-up camera
- Tire pressure monitoring system*
- Central lubrication system UW*
- Attachment:
- Index
- Limitation of liability / Disclaimer
Superstructure — Table of Contents
- Inhaltsverzeichnis
- Oberwagen allgemein:
- Beleuchtung Drehbühne
- Beleuchtung Ausleger
- LMB-Warneinrichtung (EN 13000)
- Kraftstofftank und Tankgeber
- Zentralschmieranlage
- Auslegerrichtung und Drehwertgeber
- Wegfahrsperre*
- Krankabine:
- Steuerstand – LICCON-Monitor, Pedale, Ethernet
- Steuerstand – Meisterschalter, LSB-TE1 rechts
- Steuerstand – Meisterschalter, LSB-TE2 links
- Steuerstand – Bedien- und Kontrolleinheit
- Kabineninstallation – Innenausstattung
- Heizung – Bedieneinheit, Temperatursensoren
- Heizung – Thermo Pro 90
- Heizung – Heizklimagerät
- Scheibenwischer, Podest
- Schaltschrank Krankabine:
- Schwenkrahmen – Sicherungen
- Relais, Widerstandsmodul
- Montageblech – LSB-Master, Spannungswandler
- Universelles Ein- und Ausgabemodul, Datenlogger II
- Diagnosestecker, Ferndiagnose
- Steckerblech Drehbühne / Kabine
- NOTBETRIEB Widerstände, Luftzirkulation
- Kranhydraulik:
- Hydraulikpumpen – Übersicht (Unterwagen)
- Übersicht Hydraulikkomponenten
- Übersicht Messanschlussplatte
- Hauptsteuerblock
- Hauptsteuerblock
- Druckgeber, Temperaturgeber Hydrauliköl
- Ölfilter, Ölkühler 2
- Druckstufen – Teleskopieren
- Nebenverbraucherventile
- Drehbühnenarretierung, Kabine kippen
- Televerbolzung, Zangenverbolzung – Notbetrieb
- Hubwerk – Winde 1
- Hubwerk – Winde 2
- Wippwerk – Ansteuerung, Wippzylinder
- Drehwerk – Ansteuerung
- Drehwerk – Bremse, Inkrementalgeber, Drehwerk
- Ballastierung – Ballastübersicht
- Ballastierung – Ballastüberwachung hydraulisch
- Ballastierung – Ballastüberwachung elektrisch
- Ballastierung – Ballastüberwachung (Option)
- Teleskopausleger:
- Anlenkstück
- Auslegerkopf
- Ausschubmechanik – Telematik
- Sonderausstattung:
- Klimaanlage
- Klappspitze* (Einfach-, Doppel-)
- Klappspitze hydraulisch* – Hydraulik
- Klappspitze hydraulisch* – Hydraulikkomponenten
- Notbetätigung Kranhydraulik*
- Dollybetrieb*
- Kameraüberwachung
- Anhang:
- Index
- Haftungsbegrenzung / Disclaimer
Liebherr Crane
