308 CR VAB Mini Hydraulic Excavator

Overview
Engine Model
Cat C3.3B
Net Power
70 HP
Operating Weight
20,906 lb

Engine

Engine Model
Cat C3.3B
Net Power
70 HP
Bore
4 in
Displacement
203 in³
Gross Power - ISO 14396
74 HP
Rated Net Power - 2,200 rpm - EU Stage V - ISO 9249/EEC 80/1269
72 HP
Rated Net Power - 2,200 rpm - U.S. EPA Tier 4 Final - ISO 9249/EEC 80/1269
70 HP
Stroke
5 in

Weights

Operating Weight
20,906 lb
Maximum Operating Weight with Cab*
20,906 lb
Maximum Operating Weight with Cab**
20,678 lb
Minimum Operating Weight with Cab*
17,960 lb
Note
*Maximum Weight is based on steel tracks with rubber pads, counterweight, operator, full fuel tank, standard stick, blade and no bucket.
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
17 in
Width - Standard
91 in
Width - Wide
97 in

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 II)

Dimensions - Long Stick

Boom In Reach
127 in
Boom Swing - Left
20 in
Boom Swing - Right
38 in
Cab Height
99 in
Dig Depth
183 in
Ground Clearance
14 in
Maximum Blade Depth
16 in
Maximum Blade Height
15 in
Maximum Dig Height
277 in
Maximum Dump Clearance
200 in
Maximum Reach
301 in
Maximum Reach - Ground Level
294 in
O/A Shipping Length
262 in
O/A Track Width
91 in
O/A Undercarriage Length
114 in
Stick Length
93 in
Swing Bearing - Height
29 in
Tail Swing with Counterweight
65 in
Tail Swing without Counterweight
57 in
Track Belt/Shoe Width
18 in
Transport Height
99 in
Vertical Wall
134 in

Dimensions - Standard Stick

Boom In Reach
120 in
Boom Swing - Left
20 in
Boom Swing - Right
38 in
Cab Height
99 in
Dig Depth
162 in
Ground Clearance
14 in
Maximum Blade Depth
16 in
Maximum Blade Height
15 in
Maximum Dig Height
265 in
Maximum Dump Clearance
187 in
Maximum Reach
281 in
Maximum Reach - Ground Level
274 in
O/A Shipping Length
259 in
O/A Track Width
91 in
O/A Undercarriage Length
114 in
Stick Length
72 in
Swing Bearing - Height
29 in
Tail Swing with Counterweight
65 in
Tail Swing without Counterweight
57 in
Track Belt/Shoe Width
18 in
Transport Height
98 in
Vertical Wall
118 in

Dimensions - VAB In

Boom Swing Left
20 in
Boom Swing Right
38 in
Boom in Reach
112 in
Cab Height
99 in
Dig Depth
155 in
Ground Clearance
14 in
Maximum Blade Depth
16 in
Maximum Blade Height
15 in
Maximum Dig Height
217 in
Maximum Dump Clearance
144 in
Maximum Reach
260 in
Maximum Reach at Ground Level
252 in
Overall Shipping Length
235 in
Overall Track Width
91 in
Overall Undercarriage Length
114 in
Stick Length
72 in
Swing Bearing Height
29 in
Tail Swing with Counterweight
65 in
Tail Swing without Counterweight
57 in
Track Belt/Shoe Width
18 in
Transport Height
105 in
Vertical Wall
133 in

Dimensions - VAB Out

Boom Swing Left
20 in
Boom Swing Right
38 in
Boom in Reach
118 in
Cab Height
99 in
Dig Depth
136 in
Ground Clearance
14 in
Maximum Blade Depth
16 in
Maximum Blade Height
15 in
Maximum Dig Height
322 in
Maximum Dump Clearance
252 in
Maximum Reach
312 in
Maximum Reach at Ground Level
305 in
Overall Shipping Length
283 in
Overall Track Width
91 in
Overall Undercarriage Length
114 in
Stick Length
72 in
Swing Bearing Height
29 in
Tail Swing with Counterweight
65 in
Tail Swing without Counterweight
57 in
Track Belt/Shoe Width
18 in
Transport Height
95 in
Vertical Wall
139 in

Hydraulic System

Auxiliary Circuit - Primary - Flow
35 gal/min
Auxiliary Circuit - Primary - Pressure
4,134 psi
Auxiliary Circuit - Secondary - Flow
9 gal/min
Auxiliary Circuit - Secondary - Pressure
4,134 psi
Digging Force - Bucket
13,946 lb
Digging Force - Stick - Long
8,032 lb
Digging Force - Stick - Standard
9,205 lb
Operating Pressure - Equipment
4,134 psi
Operating Pressure - Swing
3,626 psi
Operating Pressure - Travel
4,134 psi
Pump Flow at 2,400 rpm
44 gal/min
Type
Load Sensing Hydraulics with Variable Displacement Piston Pump

Service Refill Capacities

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

Sound

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

Swing System

Machine Swing Speed
11 r/min

Travel System

Gradeability - Maximum
30 degrees
Ground Pressure - Maximum Weight
6 psi
Ground Pressure - Minimum Weight
5 psi
Maximum Traction Force - High Speed
6,250 lb
Maximum Traction Force - Low Speed
15,175 lb
Travel Speed - High
3 mile/h
Travel Speed - Low
2 mile/h

Weight Increase from Minimum Configuration

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

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.

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.

STICK STEER TRAVEL MODE

  • Moving around the job site is even easier with the Cat Stick Steer option. 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 helps you get the job done more efficiently, and dig-to-blade 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’ve 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.

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.
  • Engine
    • Automatic Engine Shutdown
    • Cat C3.3B Diesel Engine (U.S. EPA Tier 4 Final/EU Stage V) – Electronic Engine, Turbo, Diesel Particulate Filter (DPF)
    • Fuel Water Separator with Indicator
    • Automatic Two Speed Travel
    • Automatic Swing Brake
    • Automatic Engine Idle
    • Ecology Drain
    • Radial Seal – Double Element Air Filter
    • Extended Life Coolant, –37° C (–35° F)
  • Hydraulics
    • Power On Demand
    • Certified Accumulator
    • Variable Displacement Piston Pump
    • Load Sensing/Flow Sharing Hydraulics
    • Hydro Advanced Hydraulic Oil
    • Hydraulic Temperature Monitoring
    • Smart Tech Electronic Pump
  • Operator Environment
    • Rear Window Emergency Exit
    • Molded Footrests
    • Hydraulic Lockout Controls
    • LED Interior Light
    • Travel Cruise Control
    • 12V Power Socket
    • Removable, Washable Floor Mat
    • Assisted Front Window Overhead Storage
    • Operator Sound Pressure 72 dB(A) ISO 6396:2008
    • Top Guard – ISO 10262:1998 (Level II)
    • Integrated Lower Front Window
    • Sealed and Pressurized Cab
    • Cat Key with Passcode Option
    • Literature Holder
    • Mounting Bosses for Top and Front Guards
    • ROPS – ISO 12117-2:2008
    • HVAC with Automatic Temperature Control
    • Stick Steer Mode
    • Fabric, High Back, Suspension Seat
    • Color LCD Monitor
      – Fuel Level and Coolant Temperature Gauges
      – Maintenance and Machine Monitoring
      – Performance and Machine Adjustments
      – Numeric Security Code
      – Multiple Languages
      – Camera Ready
      – Hour Meter with Wake Up Switch
      – Jog Dial Control Interface
    • Radio – Bluetooth®, USB, Auxiliary, Microphone
    • Cup Holder
    • Retractable Seat Belt (75 mm/3 in)
    • Adjustable Wrist Rests
    • Skylight
    • TOPS – ISO 12117:1997
    • Travel Pedals and Hand Levers
    • Coat Hook
    • Control Pattern Changer
  • Undercarriage
    • Dozer Blade
    • Greased and Lubricated Track
    • Hydraulic Track Adjusters
    • Tie Down Eyes on Track Frame
    • Dozer Float
    • Bolt-on, Reversible Wear Edge
    • Rubber Tracks
  • Boom, Stick And Linkages
    • Variable Angle Boom
    • Standard Stick (1823 mm/71.8 in)
    • Front Shovel Capable (Pin-On/Manual Coupler/Hydraulic Coupler – not available in all regions)
    • Thumb Ready (not available in all regions)
    • Certified Lifting Eye (not available in all regions)
  • Electrical
    • 12 Volt Electrical System
    • 90 Ampere Alternator
    • 850 CCA Maintenance Free Battery
    • Circuit Breaker
    • Ignition Key Stop Switch
    • Signaling/Warning Horn
    • Product Link Elite Lite (regulations apply)
  • Operator Environment
    • Rain Visor
    • Air Suspension Heated Seat
  • Electrical
    • Rotating Beacon
    • Rearview Camera
  • Other
    • 2nd Auxiliary Hydraulic Lines
    • Wide Dozer Blade
    • Wide Steel Tracks (600 mm/23.6 in)
    • Steel Track with Rubber Pads
    • Attachments including Buckets, Augers and Hammers
    • Steel Tracks (450 mm/17.7 in wide)
    • Boom and Stick Hose Burst Check Valves
    • Bucket Linkage with Lift Eye
    • Track Guides
    • Water Jacket Heater
    • Refueling Pump
    • Cab Guarding
    • Travel Alarm (standard in some regions)

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