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A C K H O E
B
O A D E R S
L
W
ALK
Komatsu backhoe loaders
-A
ROUND
bring together the versatility of
a backhoe loader with the performance of an excavator. Komatsu’s
exclusive HydrauMindTMhydraulic system is the ultimate combination
of power and precision creating one of the most productive backhoe
loaders in the world.
High altitude/high ambient
Increased hydraulic speed
during loader and backhoe operations
for increased productivity
temperature package available as
an option
Komatsu’s new Tier 2 engine
Improved
accelerator and parking brake
lever design
operator-friendly
provides for low emissions and
excellent fuel economy
New loader bucket design
for better penetration into thepile
and easier loading of material
3
1.0 m
offers increased capacity (1.04 m31.36 yd3bucket
available for WB150AWS)
1.3 yd3multi-purpose loader bucket
Steel reinforced front grille
and tiltable plastic hood for durability
and ease of service
Improved brake performance
new 4-wheel braking feature(4th gear only)
2
with
Lateral engine air intake
for improved visibility to bucket
during loader operation
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B
Newberry Manufacturing Operation
We constantly strive to bring new innovations to the market
High visibility maintenance
eyebrow panels with white backed
gauges for improved visibility
Improved air filtration
system
Flexible fenders
are impact and crack resistant
Two Backhoe Function Modes
- Power
- Economy
for longer service life
for increased power and speed
excavating around in-ground utilities
A C K H O ELO A D E R S
NET HORSEPOWER
WB140 65.1 kW87 HP @2200 rpm
WB150 70.1 kW94 HP @2200 rpm
OPERATING WEIGHT
7525 - 8950 kg
16,600 - 19,731 lb
for fine control when
Newly designed
boom transport lock
for enhanced reliability
Photos may include optional equipment.
Excavator type Backhoe controls
(optional)
New backhoe buckets
with KVX style teeth (optional)
Greaseless telescopic
arm wear pads
reduced maintenance cost
for
Three lever with
foot swing
control pattern
(optional)
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A C K H O E
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O A D E R S
L
PERATOR
O
OMFORT
C
Engineered For Maximum Operator Performance and Comfort
Impro ved 360° Visibility and Mo re Leg Room
Cab interior design with excavator-type controls (optional)
New Gray Color Cab/ROPS
Less glare and reflection inside the cab, improved visibility,
and safer operation
Excavator-Type Control Dash Panel
Fun ction Mode Butt on
(ju st like Komatsu exc avators)
• Power mode for increased power
and speed
• Economy mode for fine control
when excavating around in-ground
utilities
• Increased sensitivity during
backhoe operations while
maintaining maximum performance
• Increased fuel efficiency
ROPS Canopy Windshield with Wiper and Washer
(op ti onal)
Stabilizer Switches
Controlled by the operator
in either the front or rear
working positions
Protects operator during roading operation
12V Cell Phone Power
Outlet
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Easier Control
Excavator-Type Controls
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A C K H O ELO A D E R S
Serv o-Controlled J oy sticks
for Backhoe Operation
• Excellent metering and fine control
• Telescopic arm is electro-hydraulically
controlled
• Very low effort
• Ergonomic joysticks
• Control pattern change valve in cab,
allows easy conversion from
excavator to backhoe control
patterns
• More legroom
• Better visibility of the entire boom
area
Two Tiltable Control Towers
• Tilt of 15° is easily adjusted to always
provide the best visibility of the
excavation area
• Wrist support (with adjustable height)
for more comfort during operation
• Comfort: every operator can easily
find the correct working position
thanks to the mechanical memory
lock
Shift -on-the-Fly Gear Selector
(PS vers ion only)
Just twist shifter up or down to change
gear selection
• User-friendly design for ease of use
• Improved cycle times
• Less operator fatigue
Infinitely Adjustable Joyst ic ks
Can move the joysticks to any position
within a 15° range
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A C K H O E
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O A D E R S
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P
RODUCTIVITY
F
EATURES
High Productivity and Low Fuel Consumption
A powerful Komatsu S4D106-2XFH/2SFA
Turbocharged water-cooled diesel
engine provides output of 65.1 kW 87 HP
for the WB140-2N/WB140PS-2N, and
output of 70.1 kW 94 HP for
the WB150-2N/ WB150PS2N/ WB150AWS-2N. This
engine is EPA Tier 2, EU
and Japan emissions
certified without sacrificing
power or machine
productivity. The large piston
displacement of these
engines, 4.4 ltr 269 in
ensures high torque and
power, and above all exceptional
reliability.
3
,
New fuel filter
Feed pump with electric control
New injection pump
New fuel hoses layout
Improved Air Filtration
Donaldson Filter
Tremendous Hydraulic Power
Under Your Complet e Control
With Proven HydrauMind
Excavator Technology
Komatsu’s exclusive HydrauMind
hydraulic system is the ultimate
combination of power and precision
creating one of the most productive
backhoe loaders in the world. The
system consists of a single variable
flow axial piston pump and an
Cooling SystemAir Filter
Large Capacity Side-by-Side
Radiator
"intelligent" hydraulic circuit that allows
the machine to adapt instantaneously
to the specific operation being carried
out. Superior lift capacities and
breakout forces are achieved with
HydrauMind.
Clo sed-Center Load Sens ing
Sys tem (CLSS)
The Closed-Center Load Sensing
System, together with the variable flow
pump, means that only the amount of
oil necessary for ensuring high
operating pressure is generated and
used. This guarantees greater
efficiency, lower fuel consumption and
quiet operation.
Lo ad Independent Flow Divider
(LIFD)
Another Komatsu innovation is the
Load Independent Flow Divider
hydraulic valve block. The speed of
each movement is completely
independent from that of the others,
and the proportions between the various
movements remain constant even
when the load resistance varies,
resulting in shorter cycle times and
greater productivity. Engine power is
transmitted hydraulically to a transfer
case, then manually out to the
differentials and out to the four driving
wheels.
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A C K H O ELO A D E R S
NCREASED
I
ELIABILITY
R
More Dependable
Komatsu backhoe loaders are the only machines that
combine the versatility of a backhoe loader with the
performance of an excavator.
Steel Reinforced Fro nt Grill
Protects radiator/oil cooler from external damage
ND
A
Flex ible Fenders
Impact and crack resistant and maintain their shape
ERVICEABILITY
S
Cab and Canopy Roof / Improved Lighting
New design provides more strength, durability, and better visibility with four lights,
front and rear (optional).
Front View
Reinforced Struct ure
Rear View
Retu rn -to-Dig Sensor
New design for enhanced durability
View from underneath
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A C K H O E
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S
PECIFICATIONS
EN GI N E REFILL CA PACI TIES
Model WB140-2N/WB140PS-2N . . . . . . . . . . . . . . Komatsu S4D106-2XFH
WB150-2N/WB150PS-2N/WB150AWS-2N . . Komatsu S4D106-2SFA
Type . . . . . . . . . . . . . . . . . . . . . . . .Vertical, 4-cycle water-cooled diesel engine
Aspiration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Turbocharged
Combustion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Direct injection
Compression ratio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17:1
Number of cylinders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Cylinder, bore x stroke . . . . . . . . . . . . . . . . . . . . . 106 x 125 mm 4.2" x 4.9"
Piston displacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.4 ltr 269 in
Horsepower rating - WB140-2N/WB140PS-2N
Gross horsepower @2200 rpm . . . . . . . . . . . . . . . . . . . . . 69.5 kW93 Hp
Flywheel/net horsepower @ 2200 rpm (SAE J 1349) . . . . . 65.1 kW87 Hp
Max. torque @1400 rpm . . . . . . . . . . . . . . . . . . . . . . . . . 348 Nm 257 ft lb
Horsepower rating - WB150-2N/WB150PS-2N/ WB150AWS-2N
Gross horsepower @2200 rpm . . . . . . . . . . . . . . . . . . . . 74.5 kW100 Hp
Flywheel/net horsepower @ 2200 rpm (SAE J 1349) . . . . . 70.1 kW94 Hp
Max. torque @1600 rpm . . . . . . . . . . . . . . . . . . . . . . . . . 368 Nm 271 ft lb
Air cleaner . . . . . . . . . . . dry, dual element with dust evacuator and indicator
EL ECTRICAL SY ST EM
Electric circuit with protected connections in all exposed areas
Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12 V
Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120 Ah (860 cca)
Alternator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80 A
Electric starting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 kW
O A D E R S
L
Engineoil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.9 ltr 2.1US gal
Cooling system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 ltr 3.7 USgal
Diesel tank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130 ltr 34.3 USgal
Hydraulic oil tank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92 ltr 24.3 USgal
Front axleoil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8.5 ltr 2.3 USgal
Rear axleoil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17.5 ltr 4.6 USgal
Gear box oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 ltr 4.5 USgal
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WB140-2N/WB140PS-2N/WB150-2N/WB150PS-2N
The front wheels arecontrolled by a hydrostatic load sensing steering
priority valvesystem
Turning radius at outer edge of front tire:
Without Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4300 mm 14'1"
With Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3400 mm 11'2"
WB150AWS-2N
The new Komatsu steering system ensures excellent maneuverability and
versatility and allows theoperator to choose from the following three
different steering modes by the push of a button: Two Wheel Steering, Four
Wheel Coordinated Steering, Crab Steering
Turning radius (4 wheel coordinated steering mode, w/o individual braking):
Edge of tire . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4175 mm 13'8"
Edge of bucket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4700 mm 15'5"
ST EERI NG
HYDRA ULI C SY ST EM
The Hydraumind hydraulic system affords the operator very precise backhoe
movements. This system is energy efficient and incorporates two different
workingmodes: economy and constant power. Theadvanced hydraulic system
includes the “speed up” function to increase the working speed of the front
loader.
System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HydrauMind
Type . . . . . . . . . . . . . . . . . . . . . . . Closed center Load Sensing System (CLSS)
with economy/power selector switch
(power mode is the default setting)
Pump type . . . . . . . . . . . . . . . . . . . . . . . . . . Variable displacement axial piston
Pump control system . . . . . . . Load Sensing set to adjust thehydraulic power
Main Valve . . . . . . . . . . . .“Load Independent Flow Divider” LIFD modular type
Max delivery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165 ltr/min 43.6 gal/min
Work pressure
WB140-2N/WB140PS-2N . . . . . . . . . . . . . . . . . . . . . . . . 207 bar 3,000 psi
WB150-2N/WB150PS-2N/ WB150AWS-2N . . . . . . . . . . 221 bar 3,200 psi
AXL ES
WB140-2N/WB140PS-2N/WB150-2N/WB150PS-2N
Heavy duty axles with planetary reduction gears in thewheel hubs. Front
axle total oscillation angleis 20°. Differential lock in the rear axle controlled
by electro-hydraulic system with a switch on loader lever.
Max front strength (Dynamic) . . . . . . . . . . . . . . . . . . . .6300 daN 14,175 lb
Max front strength (Static) . . . . . . . . . . . . . . . . . . . . . 15750 daN 35,406 lb
Max rear strength (Dynamic) . . . . . . . . . . . . . . . . . . . 12000 daN 27,000 lb
Max rear strength (Static) . . . . . . . . . . . . . . . . . . . . . . 32500 daN 73,060 lb
WB150AWS-2N
Axles arelimited slip, allowing for power traction, even while turning. Front
axle total oscillation angel is 16°.
Max front strength (Dynamic) . . . . . . . . . . . . . . . . . . . 10000 daN 22,480 lb
Max front strength (Static) . . . . . . . . . . . . . . . . . . . . . 25000 daN 56,200 lb
Max rear strength (Dynamic) . . . . . . . . . . . . . . . . . . . 10000 daN 22,480 lb
Max rear strength (Static) . . . . . . . . . . . . . . . . . . . . . . 25000 daN 56,200 lb
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TRA NSMIS SI ON
WB140-2N/WB150-2N
Switching between 2WD and 4WD is achieved through an electro-hydraulic
system. The transmissionis operated through a torque converter and a power
shift reversing shuttle; themechanical 4-speed gearbox is synchronized.
Travel
Speeds
Forward 6.3 3.9 11.4 7.1 21.3 13.2 37.8 23.5
Reverse 6.3 3.9 11.4 7.1 21.3 13.2 37.8 23.5
WB140PS-2N/WB150PS-2N/WB150AWS-2N
Electronically-controlled, four-wheel-drive, full powershift transmission. Twist
Grip or EGMTM(Electronic Gear Management) gear Controlsfor changing
driving direction and gears at full power without disengaging thedrive.
Twist Grip Controls in manual modeon WB140PS-2N/WB150PS-2N
EGMTMGear Controls in automatic or manual modeon WB150AWS-2N
Travel
Speeds
Forward 6.5 4.0 12.0 7.5 23.0 14.3 4.0 24.9
Reverse 6.35 4.0 12.0 7.5 23.0 14.3 — —
1st 2nd 3rd 4th
km/h mp h km/h mph km/h mph km/h mph
1st 2nd 3rd 4th
km/h mp h km/h mph km/h mph km/h mph
A C K H O ELO A D E R S
LOA DER
The design of thefront loader allows for better tensilestrengthdistributionand
parallel movements when lifting and lowering the bucket. Due to the linkage
geometry, thegreasing points have been dramatically reduced.
Standard bucket width . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2355 mm 7'9"
Capacity (SAE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.95 m31.25yd
STD bucket weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .454 kg 1,000 lb
Lifting capacity at maximum height:
WB140-2N/WB140PS-2N . . . . . . . . . . . . . . . . . . . . . . . 3675 daN 8,270 lb
WB150-2N/WB150PS-2N/WB150AWS-2N . . . . . . . . . . 3965 daN 8,925 l b
Lifting capacity at ground level:
WB140-2N/WB140PS-2N . . . . . . . . . . . . . . . . . . . . . . 4700 daN 10,580 lb
WB150-2N/WB150PS-2N/WB150AWS-2N . . . . . . . . . 5075 daN 11,420 lb
Breakout force:
WB140-2N/WB140PS-2N . . . . . . . . . . . . . . . . . . . . . . 5685 daN 12,790 lb
WB150-2N/WB150PS-2N/WB150AWS-2N . . . . . . . . . 6145 daN 13,825 lb
BAC K HOE
Theboom has a rounded profile and a reinforced structure built with cast
ends, allowing 180° rotation while maintaining high rotation torque.
Bucket breakout force:
WB140-2N/WB140PS-2N . . . . . . . . . . . . . . . . . . . . . . 6005 daN 13,515 lb
WB150-2N/WB150PS-2N/WB150AWS-2N . . . . . . . . . 6525 daN 14,685 lb
Dipper digging force:
WB140-2N/WB140PS-2N . . . . . . . . . . . . . . . . . . . . . . . 3925 daN 8,825 lb
WB150-2N/WB150PS-2N/WB150AWS-2N . . . . . . . . . . 4155 daN 9,350 l b
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A C K H O E
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DI MEN SI ON S AND WORK I N G R ANGE
M
O A D E R S
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B
C
D
H
F
E
G
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K
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