308 CR Mini Hydraulic Excavator

Photos

Engine Model
Cat C3.3B
Net Power
69.5 HP
Operating Weight
20077 lb
Height
17 in

Specs

Engine

Engine Model
Cat C3.3B
Net Power
69.5HP
Bore
3.7in
Displacement
203in³
Gross Power - ISO 14396
74.3HP
Rated Net Power - 2,200 rpm - EU Stage V - ISO 9249/EEC 80/1269
71.5HP
Rated Net Power - 2,200 rpm - U.S. EPA Tier 4 Final - ISO 9249/EEC 80/1269
70.3HP
Stroke
4.7in
Gross Power - SAE J1995
74.3HP
Rated Net Power - 2,200 rpm - U.S. EPA Tier 4 Final/EU Stage V - ISO 9249/EEC 80/1269
69.5HP

Weights

Operating Weight
20077lb
Maximum Operating Weight with Cab**
20077lb
Minimum Operating Weight with Cab*
18610lb
Note (1)
*Minimum Weight is based on rubber tracks, no counterweight, operator, full fuel tank, standard stick, blade and no bucket.
Note (2)
**Maximum Weight is based on steel tracks with rubber pads, counterweight, operator, full fuel tank, long stick, blade and no bucket.

Blade

Height
17in
Width - Standard
90.6in
Width - Wide
96.5in

Air Conditioning System

Air Conditioning
The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.0 kg of refrigerant which has a CO2 equivalent of 1.430 metric tonnes.

Certification - Cab

Roll Over Protective Structure (ROPS)
ISO 12117-2:2008
Tip Over Protective Structure (TOPS)
ISO 12117:1997
Top Guard
ISO 10262:1998 (Level I)

Dimensions - Long Stick

Boom In Reach
126.6in
Boom Swing - Left
23.8in
Boom Swing - Right
36.8in
Cab Height
100in
Dig Depth
182.8in
Ground Clearance
13.8in
Maximum Blade Depth
16in
Maximum Blade Height
14.6in
Maximum Dig Height
277.1in
Maximum Dump Clearance
199.7in
Maximum Reach
300.7in
Maximum Reach - Ground Level
293.7in
O/A Shipping Length
262in
O/A Track Width
90.6in
O/A Undercarriage Length
113.4in
Stick Length
92.8in
Swing Bearing - Height
29.7in
Tail Swing with Counterweight
62.4in
Tail Swing without Counterweight
57.1in
Track Belt/Shoe Width
17.7in
Transport Height
99in
Vertical Wall
134in
Note
*Boom Height when stick is pinned in transport position with no attachments.
Note (2)
***With blade positioned at the rear of the machine.
Note (1)
**Boom Height when stick is pinned in working position with attachments. Standard Stick offers only one pin position.
Height - Boom Transport - No Tools*
89in
Height - Boom Working - With Tools**
120.1in
Overall Shipping Length - without Counterweight
6872 mm (270.6 in)***
Overall Shipping Length - with Counterweight
6872 mm (270.6 in)***

Dimensions - Standard Stick

Boom In Reach
120.4in
Boom Swing - Left
23.8in
Boom Swing - Right
36.8in
Cab Height
100in
Dig Depth
161.7in
Ground Clearance
13.8in
Maximum Blade Depth
16in
Maximum Blade Height
14.6in
Maximum Dig Height
265.2in
Maximum Dump Clearance
187.4in
Maximum Reach
281.1in
Maximum Reach - Ground Level
273.6in
O/A Shipping Length
259in
O/A Track Width
90.6in
O/A Undercarriage Length
113.4in
Stick Length
71.7in
Swing Bearing - Height
29.7in
Tail Swing with Counterweight
62.4in
Tail Swing without Counterweight
57.1in
Track Belt/Shoe Width
17.7in
Transport Height
98in
Vertical Wall
117.8in
Note
*Boom Height when stick is pinned in transport position with no attachments.
Overall Shipping Length - with Counterweight
264in
Note (1)
**Boom Height when stick is pinned in working position with attachments. Standard Stick offers only one pin position.
Overall Shipping Length - without Counterweight
258.8in
Note (2)
***With blade positioned at the rear of the machine.
Height - Boom Working - With Tools**
104.7in
Height - Boom Transport - No Tools*
95.7in

Hydraulic System

Auxiliary Circuit - Primary - Flow
35gal/min
Auxiliary Circuit - Primary - Pressure
4134psi
Auxiliary Circuit - Secondary - Flow
9gal/min
Auxiliary Circuit - Secondary - Pressure
4134psi
Digging Force - Bucket
13946lb
Digging Force - Stick - Long
8032lb
Digging Force - Stick - Standard
9509lb
Operating Pressure - Equipment
4134psi
Operating Pressure - Swing
3626psi
Operating Pressure - Travel
4134psi
Pump Flow at 2,400 rpm
44gal/min
Type
Load Sensing Hydraulics with Variable Displacement Piston Pump
Note
Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
Maximum Auxiliary Circuit - Primary - Pressure at Pump
4134psi
Maximum Auxiliary Circuit - Secondary - Pressure at Pump
4134psi
Maximum Auxiliary Circuit - Primary - Flow at Pump
35gal/min
Maximum Auxiliary Circuit - Secondary - Flow at Pump
9gal/min

Service Refill Capacities

Cooling System
2.6gal (US)
Engine Oil
3gal (US)
Fuel Tank
39gal (US)
Hydraulic System
29gal (US)
Hydraulic Tank
14gal (US)

Sound

Average Exterior Sound Pressure (ISO 6395:2008)
99dB(A)
Note
European Union Directive "2000/14/EC"
Operator Sound Pressure (ISO 6396:2008)
72dB(A)

Swing System

Boom Swing - Left
60 degrees
Boom Swing - Right
50 degrees
Machine Swing Speed
10.6r/min

Travel System

Gradeability - Maximum
30 degrees
Ground Pressure - Maximum Weight
5.8psi
Ground Pressure - Minimum Weight
5.4psi
Maximum Traction Force - High Speed
6250lb
Maximum Traction Force - Low Speed
15175lb
Travel Speed - High
3.2mile/h
Travel Speed - Low
1.9mile/h

Weight Increase from Minimum Configuration

Counterweight
552lb
Long Stick
146lb
Steel Tracks with Pads
752lb

Features

ALL DAY COMFORT

  • A sealed and pressurized cab is equipped with an improved air conditioning system, adjustable wrist rests and a suspension seat to help keep you working comfortably all day long.
  • A sealed and pressurized cab is equipped with an improved air conditioning system, adjustable wrist rests and a suspension seat to help keep you working comfortably all day long.

EASY TO OPERATE

  • Controls are easy to use and the intuitive Next Generation Monitor provides customizable machine operator preferences and easy to read machine information.
  • Controls are easy to use and the intuitive Next Generation Monitor provides customizable machine operator preferences and easy to read machine information.

STICK STEER TRAVEL MODE

  • Moving around the job site is even easier with Cat Stick Steer. Easily switch from traditional travel controls with levers and pedals to joystick controls with a push of a button. The benefit of less effort and improved control is in your hands!
  • Moving around the job site is even easier with Cat Stick Steer. Easily switch from traditional travel controls with levers and pedals to joystick controls with a push of a button. The benefit of less effort and improved control is in your hands!

BIG PERFORMANCE IN A MINI DESIGN

  • Increased lifting, swinging, travel and multi-functioning performance help you get the job done more efficiently, and blade float allows for easy clean up.
  • Increased lifting, swinging, travel and multi-functioning performance help you get the job done more efficiently, and blade float allows for easy clean up.

SAFETY ON THE JOB SITE

  • Your safety is our top priority. The Cat Mini Excavator is designed to help keep you safe on the job. A back-up camera, courtesy work lights and a fluorescent retractable seat belt are just a few of the safety features we‚Äôve built into the machine.
  • Your safety is our top priority. The Cat Mini Excavator is designed to help keep you safe on the job. A back-up camera, courtesy work lights and a fluorescent retractable seat belt are just a few of the safety features we‚Äôve built into the machine.

SIMPLE SERVICE FOR LESS DOWNTIME

  • Maintenance is quick and easy on the Cat Mini Excavator. Routine check points are easy to access at ground level with grouped service points and robust service panels.
  • Maintenance is quick and easy on the Cat Mini Excavator. Routine check points are easy to access at ground level with grouped service points and robust service panels.

LOWER OPERATING COSTS

  • Equipped with features such as auto idle, auto engine shutdown, and efficient hydraulics with a variable displacement pump, the Cat Mini Excavator was designed with reducing your operating costs in mind.
  • Equipped with features such as auto idle, auto engine shutdown, and efficient hydraulics with a variable displacement pump, the Cat Mini Excavator was designed with reducing your operating costs in mind.

UNMATCHED DEALER SUPPORT

  • Your Cat dealer is here to help you reach your business goals. From providing equipment solutions to operator training to service needs and beyond, your Cat dealer is ready to help.
  • Your Cat dealer is here to help you reach your business goals. From providing equipment solutions to operator training to service needs and beyond, your Cat dealer is ready to help.

Standard Equipment

  • Engine
    • Cat C3.3B Diesel Engine (U.S. EPA Tier 4 Final/EU Stage V) – Electronic Engine, Turbo, Diesel Particulate Filter (DPF)
    • Automatic Engine Idle
    • Automatic Engine Shutdown
    • Automatic Swing Brake
    • Automatic Two Speed Travel
    • Fuel Water Separator with Indicator
    • Radial Seal – Double Element Air Filter
    • Extended Life Coolant, –37° C (–35° F)
  • Hydraulics
    • Electronic Variable Displacement Piston Pump
    • Load Sensing/Flow Sharing Hydraulics
    • Power On Demand
    • Hydraulic Temperature Monitoring
    • Certified Accumulator
    • HYDO Advanced Hydraulic Oil
  • Operator Environment
    • Top Guard ISO 10262 1998 Level I
    • ROPS ISO 12117-2:2008
    • Stick Steer Mode
    • Travel Cruise Control
    • Control Pattern Changer
    • Adjustable Wrist Rests
    • Molded Footrests
    • Removable, Washable Floor Mat
    • Travel Pedals and Hand Levers
    • Cat Key with Passcode Option
    • HVAC with Automatic Temperature Control
    • Hydraulic Lockout Controls
    • Integrated Lower Front Window
    • Assisted Front Window Overhead Storage
    • Rear Window Emergency Exit
    • Fabric, High Back, Suspension Seat
    • Retractable Seat Belt (75 mm/3 in)
    • Coat Hook
    • Cup Holder
    • LED Interior Light
    • Literature Holder
    • Mounting Bosses for Top and Front Guards
    • 12V Power Socket
    • Radio – Bluetooth, Auxiliary, Microphone, USB (charging only)
    • Skylight
    • Signaling/Warning Horn
    • Cab and (left side) Boom Work Lights
    • Utility Space for Mobile Phone
    • Next Generation Color LCD Monitor (IP66)
      – Jog Dial Interface
      – Fuel Level and Coolant Temperature Gauges
      – Maintenance and Machine Monitoring
      – Performance and Machine Adjustments
      – Numeric Security Code
      – Multiple Languages
      – Camera Ready (IP68 & IP69K)
      – Hour Meter with Wake Up Switch
  • Undercarriage
    • Greased and Lubricated Track
    • Tie Down Eyes on Track Frame
    • Dozer Blade
    • Dozer Float
    • Bolt-on, Reversible Wear Edge
  • Boom, Stick And Linkages
    • One Piece Boom (3400 mm/133.9 in)
    • Standard Stick (1820 mm/71.7 in)
    • Front Shovel Capable – Pin-on/Manual Coupler/Hydraulic Coupler (not available in all regions)
    • Thumb Ready (not available in all regions)
  • Electrical
    • 12 Volt Electrical System
    • 60 Ampere Alternator
    • Circuit Breaker
    • 900 CCA Maintenance Free Battery
    • Battery Disconnect
    • Ignition Key Stop Switch
  • Other
    • Locks on External Enclosure Doors
    • Lockable Fuel Cap
    • Beacon Socket
    • Rear Reflectors

Optional Equipment

  • Operator Environment
    • Push to Start with Bluetooth® Key
    • Air Suspension Heated Seat
    • Rain Visor
    • Next Generation Advanced Monitor (below are all included with Next Generation Advanced Monitor option)
      – Touch Screen
      – Site Reference System
      – High Definition Camera Capable (IP68 & IP69K)
      – Numeric Security Code
  • Undercarriage
    • Wide Dozer Blade
    • Steel Tracks (450 mm/17.7 in wide)
    • Wide Steel Tracks (600 mm/23.6 in)
    • Steel Track with Rubber Pads
    • Track Guides
  • Boom, Stick And Linkages
    • Long Stick (2360 mm/92.9 in)
    • Attachments including Buckets, Augers and Hammers
    • 2nd Auxiliary Hydraulic Lines
    • Boom Lowering Check Valve
    • Stick Lowering Check Valve
    • Certified Lifting Eye
  • Electrical
    • Product Link™ Elite (regulations apply)
    • Travel Alarm
    • Rearview Camera
    • Rotating Beacon
  • Guarding
    • Mesh Front Guard ISO 10262 1998 Level I
    • Heavy Duty Front Guard ISO 10262 1998 Level II
    • Overhead Cab Guard ISO 10262 1998 Level II
    • Polycarbonate Front Window EN356 P5A
    • Track Guards
  • Other
    • Additional Counterweight
    • Water Jacket Heater
    • Refueling Pump
    • Variable Angle Boom (refer to 308 CR VAB brochure for VAB specs and additional information)