Liebherr R 966 User Manual

Crawler excavator	R 966
Operating Weight with Backhoe Attachment: 66,000		– 76,300 kg
Operating Weight with Shovel Attachment:	68,500	– 69,200 kg
Engine Output:	320 kW / 435 HP
Bucket Capacity:	1.50 – 5.50 m³
Shovel Capacity:	3.50 – 4.00 m³

Equipment

• Cast steel elements

• Greater resistance to stresses

•Longer service life

•Safety check valves for stick and boom cylinders with integrated regeneration for less fuel consumption

Tools

•Different levels of protection to suit the different areas of application

•New Liebherr Z-type tooth system

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Operator’s cab

•New comfortable and ergonomic design

•7” high definition colour touch screen

•Wider than the cab in the small excavators range

•Bullet-proof panels at the front and in the roof as standard

•Optional FOPS and FGPS protective guards

Accessibility

• Maintenance platform in the engine compartment

• Broad, anti-slip side catwalks as standard

• Newly designed undercarriage steps for a longer service life

Undercarriage

• Robust structure thanks to the more rigid profile

• Improved self-cleaning capacity

• Molded two-tooth sprocket for a longer service life

• Two types of undercarriage available: an HD fixed-track gauge and LC-V variable-track gauge

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Equipment

• Cast steel parts

• Parallel kinematics for powerful and regular digging

• Bucket cylinders positioned under the equipment for better protection against the elements

• Safety valves on boom cylinder for pipe burst protection

Buckets

•The front shovel is the perfect shape for digging deep into the material and for a high filling rate

•Several levels of protection for the front shovel, depending on requirements

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Operator’s cab

•New comfortable and ergonomic design

•7” high-resolution colour touch screen

•Wider than the cab in the small excavators range

•Bullet-proof panels at the front and in the roof as standard

•Optional FOPS and FGPS protection guards

•Operator’s cab with a fixed riser for a full view over the work area

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Technical Data

Engine

Rating per ISO 9249 320 kW (435 HP) at 1,800 RPM Model Liebherr D 9508 A7 SCR

Type 8 cylinder V engine Bore/Stroke 128/157 mm Displacement 16.16 l

Engine operation 4-stroke diesel Common-Rail

Exhaust gas treatment SCR system (Selective Catalytic Reduction) emission standard stage IIIB / Tier 4i

Cooling water-cooled and integrated motor oil ­cooler, after-cooled and fuel cooled

Air cleaner dry-type air cleaner with pre-cleaner, primary and safety elements

Fuel tank 1,140 l Urea tank 140 l Electrical system

Voltage 24 V

Batteries 2 x 180 Ah/12 V Starter 24 V/7.8 kW

Alternator three phase current 28 V/100 A Engine idling sensor-controlled

Motor management connection to the integrated excavator system controlling via CAN-BUS to the economical ­utilisation of the service that is available

Hydraulic System

Hydraulic pump

for attachment and

travel drive two Liebherr variable flow, swash plate pumps Max. flow 2 x 410 l/min.

Max. pressure 350 bar

Pump regulation electro-hydraulic with electronic engine speed sensing regulation, pressure compensation, flow compensation, automatic oil flow optimizer

Hydraulic pump

for swing drive reversible, variable flow, swash plate pump, closed­ -loop circuit

Max. flow 245 l/min. Max. pressure 340 bar

Hydraulic tank 435 l Hydraulic system 920 l

Hydraulic oil filter 2 full flow filters in return line with integrated fine filter area (5 µm)

Hydraulic oil cooler compact cooler for water cooler, after-cooler, fuel cooler and transmission pump oil, sandwiched with cooler for oil and condenser of air-condition­ ing with hydrostatically controlled fan drives

MODE selection adjustment of engine and hydraulic performance via a mode pre-selector to match application for especially economical and environmentally friendly operation or for maximum digging performance and heavy-duty jobs

RPM adjustment stepless adjustment of engine output via RPM at each selected mode

Tool Control 10 preadjustable pump flows and pressures for add-on tools

Hydraulic Controls

Power distribution via control valves in single block with integrated safety valves

Flow summation to boom and stick Closed-loop circuit for uppercarriage swing drive

Servo circuit electro-hydraulic control Attachment and swing proportional via joystick levers

Travel – proportional via foot pedals or removable hand levers

– speed pre-selection

Additional functions via foot pedals or joystick toggle switch

Swing Drive

Drive by Liebherr swash plate motor with integrated brake valves

Transmission Liebherr compact planetary reduction gear Swing ring Liebherr, sealed single race ball bearing swing

ring, internal teeth Swing speed 0 – 5.6 RPM stepless Swing torque 233 kNm

Holding brake wet multi-disc (spring applied, pressure released) Option pedal controlled positioning brake

Operator’s Cab

Cab work headlights integrated in the ceiling, a door with a side window (can be opened on both sides), large stowing and depositing possibilities, shock-absorbing suspension, sounddamping insulating, tinted­ laminated safety glass, separate window­ shades for the sunroof window and wind­ screen, 12 V plug, storage bins, lunchbox, cup holder

Operator’s seat Liebherr-Comfort seat, airsprung with automatic weight adjustment, vertical and horizontal seat damping including consoles and joysticks. Seat and armrests adjustable separately and in combination, seat heating as standard

Control system arm consoles, swinging with the seat

Operation and displays large high resolution colour display with selfexplanatory operation via touch screen, video, versatile adjusting, control and monitoring facilities, e.g. climate control, implement and tool parameters

Air-conditioning standard automatic air-conditioning, ambient air function, fast de-icing and demisting at the press of a button, air vents can be operated via a menu; ambient air and fresh air filters can be easily replaced and are accessible from the outside; heating-­cooling unit, designed for extreme outside temperatures, sensors for solar radiation, inside and outside temperatures

Noise emission

ISO 6396 LpA (inside cab) =   70 dB(A) 2000/14/EC LWA (surround noise) = 108 dB(A)

Undercarriage

Version

HD gauge 3,300 mm

LC-V gauge 3,390 mm

Drive Liebherr swash plate motors with integrated brake valves on both sides

Transmission Liebherr planetary reduction gears Travel speed low range – 3.0 km/h

high range – 4.1 km/h Net drawbar pull on crawler 478 kN

Track components D 8 K, maintenance-free Track rollers/Carrier rollers HD: 9/2

LC-V: 9/3

Tracks sealed and greased Track pads double grouser

Digging locks wet multi-discs (spring applied, pressure ­released)

Brake valves outside the travel motor Lashing eyes integrated

Attachment

Type combination of resistant steel plates and cast steel components

Hydraulic cylinders Liebherr cylinders with special seal-system, shock protection

Pivots sealed, low maintenance

Lubrication automatic central lubrication system (except link and tilt geometry)

Hydraulic connections pipes and hoses equipped with SAE split-flange connections

Bucket standard equipped with Liebherr tooth system

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Dimensions

A2

E

A1

D

A

W	C
H

K	P
	Q
L	N
U	S
Z	B
V	G
X	R0006

	HD		mm	LC-V		mm		HD-Undercarriage
A			3,515			3,515			Stick	Mono	Mono	Mono
A1			4,160			4,160			Length	Boom	Boom	Boom
A2			4,425			4,425				7.00 m	8.20 m	10.00 m
C		3,515/3,710*			3,670/3,865*				m	mm	mm	mm
D			4,135			4,135		V	2.60	8,000	–	–
E			4,270			4,270			3.00	6,150	8,900	10,800
H			3,435			3,590			3.40	6,000	8,500	10,400
K			1,430			1,585			4.20	9,550*	7,650	9,600
L			4,575			4,690			5.00	–	6,500	8,550
P			1,315			1,380		W	2.60	3,900	–	–
Q			610			890			3.00	4,000	4,050	4,500
S			3,300		2,730**/3,390				3.40	4,200	4,150	4,550
U			5,695			5,775			4.20	3,800*	4,200	4,600
N	500    600    750			500	600	750			5.00	–	4,150	4,650
B	3,910	3,910	4,050	3,360**	3,360**	3,480**		X	2.60	12,850	–	–
G	4,290	4,290	4,290	3,780**	3,780**	3,780**			3.00	12,750	14,000	15,850
Z			6,985			7,025			3.40	12,850	14,100	15,850
* with FOPS top guard									4.20	12,700*	14,150	15,850
									5.00	–	14,100	15,850
** transport position
								LC-V-Undercarriage
									Stick	Mono	Mono	Mono
									Length	Boom	Boom	Boom
										7.00 m	8.20 m	10.00 m
									m	mm	mm	mm
								V	2.60	7,950	–	–
									3.00	7,600	8,850	10,800
									3.40	6,000	8,450	10,400
									4.20	9,550*	7,650	9,550
									5.00	–	6,450	8,500
								W	2.60	3,900	–	–
									3.00	4,000	4,150	4,550
									3.40	4,200	4,200	4,600
									4.20	3,850*	4,250	4,700
									5.00	–	4,150	4,700
								X	2.60	12,850	–	–
									3.00	12,750	13,950	15,850
									3.40	12,800	14,100	15,850
									4.20	12,700*	14,100	15,850
									5.00	–	14,050	15,800

* without bucket

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Backhoe Bucket

with Mono Boom 7.00 m

ft	m													R0007
	13
40	12
35	11
	10
30	9
25	8
	7
20	6
15	5
	4
10	3
5	2
	1
0	0
-5	-1
	-2
-10	-3
-15	-4
	-5
-20	-6
-25	-7								1 2
	-8									3
												4
-30	-9
	-10													1	0 m
	14	13	12	11	10	9	8	7	6	5	4	3	2
	45		40	35		30	25		20	15		10	5		0 ft

Digging Envelope		1	2	3	4
Stick length	m	2.60	3.00	3.40	4.20
Max. digging depth	m	7.30	7.70	8.10	8.90
Max. reach at ground level	m	11.65	12.00	12.40	13.15
Max. dump height	m	7.70	7.90	8.10	8.50
Max. teeth height	m	11.60	11.80	11.95	12.35
Digging force ISO	kN	308	282	260	225
	t	31.4	28.7	26.5	22.9
Breakout force ISO	kN	354	354	354	354
	t	36.1	36.1	36.1	36.1

Operating Weight

and Ground Pressure

Operating weight includes basic machine with mono boom 7.00 m, stick 2.60 m and bucket 4.00 m3 (3,650 kg).

Undercarriage			HD			LC-V
Pad width	mm	500	600	750	500	600	750
Weight	kg	66,000	66,700	67,700	69,700	70,400	71,500
Ground pressure	kg/cm2	1.33	1.12	0.91	1.37	1.16	0.94

Buckets Machine stability per ISO 10567* (75 % of tipping capacity)

STD1)

HDV3) HD2)

Cutting width	Capacity ISO7451	Weight		HD-Undercarriage				LC-V-Undercarriage
			2.60	3.00	3.40	4.20	2.60	3.00	3.40	4.20
				Stick length (m)				Stick length (m)
mm	m3	kg
1,550	2.50	2,950	X	X	X	Y	X	X	X	Y
1,750	3.00	3,150	X	X	Y	V	X	X	Y	V
1,950	3.50	3,450	X	Y	V	y	X	Y	V	y
2,150	4.00	3,650	Y	Y	V	y	X	Y	V	y
2,400	4.50	3,950	Y	V	y	v	Y	V	y	v
2,600	5.00	4,250	V	y	v	v	Y	y	v	v
2,600	5.50	4,500	y	v	v	v	V	v	v	v
1,600	2.00	3,500	X	X	X	X	X	X	X	X
1,800	2.50	3,800	X	X	X	Y	X	X	X	Y
2,000	3.00	4,100	X	X	Y	V	X	X	Y	V
2,150	3.50	4,400	X	Y	V	y	X	Y	V	y
2,150	4.00	4,650	Y	V	y	v	Y	V	y	v
2,350	4.50	5,000	V	y	v	v	Y	y	v	v
2,550	5.00	5,300	y	v	v	v	V	v	v	v
1,950	3.00	4,600	X	Y	V	y	X	Y	V	y
2,150	3.50	5,000	Y	V	y	v	X	V	y	v
2,150	4.00	5,200	Y	y	v	v	Y	y	v	v
2,150	4.50	5,400	V	v	v	v	V	v	v	v

* Indicated loads are based on ISO 10567 max. stick length, lifted 360° on firm

1)Standard bucket with teeth Z 70

2)HD bucket with teeth Z 90

3)HDV bucket with teeth Z 90

Other backhoes available on request

Max. material weight X = ≤ 2.2 t/m3, Y = ≤ 1.8 t/m3, V = ≤ 1.5 t/m3, y = ≤ 1.2 t/m3, v = not authorized

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