Mini Hydraulic Excavator
301.5, 301.6, 301.8
®
Mini Hydraulic
Excavator
301.5
Cat 3003 Naturally Aspirated Diesel Engine
Flywheel Power
13 kW
17.4 hp
Operating Weight
With canopy
1616 kg
3563 lb
With cab
1735 kg
3825 lb
301.6
301.8
®
13 kW
17.4 hp
13 kW
17.4 hp
1671 kg
1790 kg
3684 lb
3946 lb
1746 kg
1865 kg
3849 lb
4112 lb
Caterpillar® 301.5, 301.6, 301.8 Mini Hydraulic Excavators
Designed, built and backed by Caterpillar to deliver exceptional performance and versatility,
ease of operation, serviceability and customer support.
Performance and Versatility
A wide range of work tools gives the
301.5, 301.6 and 301.8 Mini Hydraulic
Excavators versatility in applications
such as building construction,
landscaping and demolition. The blade
has a float function, allowing more
efficient clean up operations, particularly
on finished surfaces. The two-speed
hydrostatic power train provides fast
travel speeds between work areas.
For extra stability the 301.6 has longer
tracks and extra counterweight, and the
301.8 has the longer tracks and variable
width undercarriage.
Ease of Operation
Equipped with cab or canopy, these
machines provide an excellent view to
the work area. The optional cab is easy
to enter and is equipped with many
convenience features. Low effort
controls are ergonomically designed
for maximum operator comfort.
The undercarriage on the 301.8 can
be extended and retracted by lever
operation providing access to confined
sites. pg. 4
Built for tough work
The Caterpillar 301.5, 301.6 and
301.8 Mini Hydraulic Excavators are
built to the same high standards as larger
Caterpillar excavators. Stylish design,
high quality finish, impact resistant
non-metallic corners and built-in
hydraulic lines protect from damage
and help maintain the machines
high value.
2
Serviceability
Tilt-up hood gives access to all major
components and service points, making
daily maintenance easy. The S•O•SSM
oil sampling valve provides easy
sampling of hydraulic oil for
preventative maintenance. pg. 5
Work Tools
Caterpillar buckets and hydraulic powered tools, matched
to fit the 301.5, 301.6 and 301.8 Mini Hydraulic Excavators.
Customer Support
Caterpillar dealers offer unmatched
customer support with excellent
equipment management services and
fast parts availability, resulting in
maximum uptime and minimum repair
costs. Equipment maintenance and
management services help optimize
performance, reliability and profit. pg. 5
Work Tools
Caterpillar designed work tools extend
the versatility of these Mini Hydraulic
Excavators. Built for performance and
durability, the full range of mini hydraulic
excavator work tools deliver high
productivity, long service life and
excellent value.
■ Digging Buckets
■ Ditch Cleaning Buckets
■ Hydraulic Hammers
■ Auger
Mechanical Quick Coupler
This feature allows the operator to
make fast, easy work tool changes.
The Caterpillar Quick Coupler maximizes
performance while allowing use of
standard buckets and work tools.
3
Operator Station
Comfortable, world class cab and unmatched ease of operation.
Excellent viewing to the work tool is
possible with large windows and offset
swing post. The curved hood and large
rear glass give superior viewing to the
rear. The easy-to-open front window
and sliding right-side window offer
excellent ventilation.
provided to help maintain a straight
course while tracking and operating
the front linkage simultaneously.
The console serves as a hydraulic
system lockout, preventing use of all
hydraulic functions when placed in
the up position.
Low effort pilot hydraulics and
ergonomically designed controls
minimize fatigue and maximize comfort
for the operator. The automatic swing
lock helps ensure that the boom is held
in a secure position while transporting
the machine. Straight line travel is
Operator station is easy to enter and
exit, and the flat floor is easy to clean.
The optional spacious cab is equipped
with many convenience features:
■ Heater and defroster
■ Interior light
4
Mounting blocks for mirrors, lights
and front guards
■ Windshield wiper and washer
Other features in the cab and canopy
include:
■ Coat hook
■ Gauges and indicators
■ Storage space
■ Optional suspension seat,
vinyl or fabric covered
■
Serviceability
Quick access and superior design make the Mini Hydraulic Excavator easy to maintain.
Easy access to major components and service points is
provided by the large opening tilt-up engine enclosure.
■ Air filter (filter blockage indicator on gauge panel)
■ Engine oil check and fill
■ Engine oil filter element
■ Maintenance-free battery
■ Radiator reservoir tank check and fill
■ Vertically mounted, spin-on fuel filter/water separator element
■ Windshield washer tank
■ Lockable fill caps use the same key as all other locks
S•O•S oil sampling valve allows easy sampling of the hydraulic
fluid for preventative maintenance.
Customer Support
Complete services provided by the world’s largest dealer network.
Unmatched dealer support with excellent equipment
management services and fast parts availability – most within
24 hours – provide maximum uptime and minimum
repair costs.
Equipment maintenance services to help optimize machine
performance and reliability. Services include:
■ Customer Support Agreements
■ S•O•S oil analysis
■ Maintenance contracts
■ Scheduled technical inspections
Equipment management services to help optimize profits.
Services include:
■ Machine and work tool selection
■ Rental and leasing
■ Purchasing and financing
■ Owning and operating cost management
■ Extended warranties
Note: For a complete explanation of these services
please call your local Caterpillar dealer.
5
Engine
Hydraulic System
Caterpillar 3003 naturally aspirated,
watercooled, 4-stroke, 3-cylinder
diesel engine.
Ratings at 2300 rpm
Net power
Gross power
13.0 kW 17.4 hp
13.7 kW 18.4 hp
Dimensions
Bore
Stroke
Displacement
75 mm
72 mm
954 cm3
■
■
3.0 in
2.8 in
58 in3
Net power rating per ISO 9249 or
EEC 80/1269
Meets EPA Tier I emission requirements
Swing System
Travel System
Pumps/Pressures/Circuits
Travel speed
Pumps: three gear-type (max. delivery)
High
4.4 km/h
2.7 mph
Tandem
2 16 lpm 2 4.2 gpm
Low
2.2 km/h
1.4 mph
Single
1 17 lpm 1 4.5 gpm Max. traction force
Operating pressures
High
6.4 kN 1439 lb-ft
Equipment 18 600 kPa
2698 psi
Low
13.6 kN 3057 lb-ft
Travel
18 600 kPa
2698 psi Gradeability (max.)
30°
Swing
17 200 kPa
2495 psi ■ Each track is driven by one
Auxiliary circuits
independent 2-speed motor
Primary
32 lpm @
8.5 gpm @ ■ Drive modules are integrated into
18 600 kPa
2698 psi
the roller frame for total protection
Secondary
16 lpm @
4.2 gpm @ ■ Straight line travel when tracking
and operating the front linkage
18 600 kPa
2698 psi
simultaneously
Digging Forces
Stick, standard 8.84 kN 1987.3 lb-ft
Stick, long
7.16 kN 1609.6 lb-ft
Bucket
12.65 kN 2843.8 lb-ft
Electrical System
Features
Machine swing speed (rpm)
9.7
Boom swing system with cast swing post
Left (without stop)
90°
Left (with stop)
54°
Right
50°
Features
■
■
■
■
■
Auxiliary lines for hammer operation
are standard
Optional two-way auxiliary lines for
work tools such as augers and angling
ditch bucket
Boom, stick, bucket and machine
swing are pilot-controlled
■
■
■
Service Refill Capacities
Automatic swing brake, spring applied,
hydraulic release
Centralized lubrication
Cooling system
Engine oil
Fuel tank
Hydraulic tank
Hydraulic system
Blade
Width
- with extended
undercarriage
Height of blade
Dig depth
Lift height
980 mm 38.6 in
1340 mm 52.8 in
250 mm 9.8 in
225 mm 8.9 in
200 mm 7.9 in
Features
■
■
■
■
6
Blade flotation function provides
easier operation
Replaceable, wear resistant cutting edge
301.8 has pin-on blade extensions to
match width to extended undercarriage
Blade is curved and is full width of
the machine.
55-amp alternator
12-volt, 500 CCA, 45 amp/h
maintenance free battery
Sealed electrical connectors
Liters
Gallons
4.5
3.5
22
20
37
1.2
0.9
5.8
5.3
9.8
Weights*
Canopy
Cab
301.5
1616 kg (3563 lb)
1735 kg (3825 lb)
301.6
1671 kg (3684 lb)
1790 kg (3946 lb)
301.8
1746 kg (3849 lb)
1865 kg (4112 lb)
* With bucket, operator, full fuel and auxiliary lines. Weight varies depending
on machine configuration
301.5, 301.6 and 301.8 Mini Hydraulic Excavator specifications
Undercarriage
Sound Levels
H-shaped, fabricated frame.
■
■
■
■
■
Operator sound pressure level is
83 dB(A) for cab and 80 dB(A) for
canopy builds when measured per
ISO 6396 (dynamic) or 95/27/EC.
Fabricated design gives high durability
Tapered roller frame reduces
accumulation of material in the tracks
Track tension adjustment is
accomplished through grease-filled
cylinders
301.6 has long track base increasing
fore/aft stability
301.8 variable width undercarriage
and longer track base increase machine
versatility and stability
Dimensions
(approximate)
A
Track and blade width
Gauge width
Shoe width
B
980 mm
750 mm
230 mm
3'3"
2'6"
9"
199
J
H
G
K
L
M
N
F
E
Q
U
R
C
D
O
P
A
301.5 and 301.8
Standard Stick (mm)
Standard Stick (ft/in)
301.5, 301.6 and 301.8
Long Stick (mm)
Long Stick (ft/in)
B
C
D
E
F
G
H
J
K
L
M*
N
O** P**
Q
R
1540 1070 3610 3700 2130 1730 2360 3320 2190 1150 460 1486 3690 980 1340 510
5'0" 3'6" 11'10" 12'2" 7'0" 5'8" 7'9" 10'11" 7'2" 3'9" 1'6" 4'11" 12'1" 3'3" 4'5" 20"
455
18"
1540 1070 3800 3890 2330 1920 2470 3420 2190 1150 460 1486 3690 980 1340 510
5'0" 3'6" 12'6" 12'9" 7'8" 6'4" 8'1" 11'3" 7'2" 3'9" 1'6" 4'11" 12'1" 3'3" 4'5" 20"
455
18"
* Track length for 301.5 is 1390 mm (4'7") – ** Only for 301.8
301.5, 301.6 and 301.8 Mini Hydraulic Excavator specifications
7
301.5, 301.6 and 301.8 Mini Hydraulic Excavators
Standard Equipment
Optional Equipment
Standard equipment may vary. Consult your Caterpillar dealer for specifics.
Optional equipment may vary. Consult your
Caterpillar dealer for specifics.
Alternator, 55-amp
Automatic swing parking brake
Auxiliary one way (hammer) lines
Boom cylinder guard
Canopy, FOPS ISO 10262 (Level I)
and Tip-Over Protection ISO 12117
Coat hook
Control Pattern Changer
Dozer blade (including float function)
Floor mat
Gauges:
– fuel level
– hour meter
Horn
Hydraulic oil cooler
Indicators:
– air cleaner
– alternator and glow plugs
– engine coolant temperature
– engine oil pressure
Lockable fuel cap
Lockable storage box
Long Stick (301.6 only)
Maintenance-free battery
230 mm (9.1 in) rubber track
Seat, static vinyl
Seatbelt, 50 mm (2 in)
Standard Stick (301.5 & 301.8)
Travel Alarm
Two-speed travel
Variable width undercarriage –
301.8 only
Wrist rests
Auxiliary two-way lines, (e.g. Auger)
Boom check valve
Cab, fully glazed, FOPS ISO 10262
(Level 1), Tip-Over Protection ISO 12117 with:
– Heater/defroster
– Interior light
– Windshield wiper and washer
Foot travel pedals
FOPS ISO 10262 (Level II) guards
Front screen for cab and canopy
Lights, cab mounted and boom mounted
Long Stick (301.5 & 301.8)
Mirrors, for cab or canopy
Radio installation kit
Seat Belt, 75 mm (3")
Secondary auxiliary (e.g. clamshell bucket)
Suspension seat, vinyl or fabric
Tool kit
Work Tools
For more complete information on Cat products, dealer services,
and industry solutions, visit us on the web at www.CAT.com
© 2004 Caterpillar
All Rights Reserved
Printed in U.S.A.
AEHQ5585 (5-04)
Replaces AEHQ5301 (301.5), AEHQ5397 (301.6), AEHQ5398 (301.8)
Materials and specifications are subject to change without notice.
Featured machines in photos may include additional equipment.
See your Caterpillar dealer for available options.
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