308 CR Mini Hydraulic Excavator - Thompson Machinery

Overview

Boom Swing - Left: 60 degrees
Engine Model: Cat C3.3B
Net Power: 70 HP

Exterior View
Interior View

Swing System

Boom Swing - Left: 60 degrees
Machine Swing Speed: 11 r/min
Boom Swing - Right: 50 degrees

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
Gross Power - SAE J1995: 74 HP
Rated Net Power - 2,200 rpm - U.S. EPA Tier 4 Final/EU Stage V - ISO 9249/EEC 80/1269: 70 HP

Weights

Operating Weight: 20,077 lb
Maximum Operating Weight with Cab**: 20,077 lb
Minimum Operating Weight with Cab*: 18,610 lb
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 I)

Dimensions - Long Stick

Boom In Reach: 127 in
Boom Swing - Left: 24 in
Boom Swing - Right: 37 in
Cab Height: 100 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: 113 in
Stick Length: 93 in
Swing Bearing - Height: 30 in
Tail Swing with Counterweight: 62 in
Tail Swing without Counterweight: 57 in
Track Belt/Shoe Width: 18 in
Transport Height: 99 in
Vertical Wall: 134 in
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*: 89 in
Height - Boom Working - With Tools**: 120 in
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 in
Boom Swing - Left: 24 in
Boom Swing - Right: 37 in
Cab Height: 100 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: 113 in
Stick Length: 72 in
Swing Bearing - Height: 30 in
Tail Swing with Counterweight: 62 in
Tail Swing without Counterweight: 57 in
Track Belt/Shoe Width: 18 in
Transport Height: 98 in
Vertical Wall: 118 in
Note: *Boom Height when stick is pinned in transport position with no attachments.
Overall Shipping Length - with Counterweight: 264 in
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: 259 in
Note (2): ***With blade positioned at the rear of the machine.
Height - Boom Working - With Tools**: 105 in
Height - Boom Transport - No Tools*: 96 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: 9,509 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
Note: Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
Maximum Auxiliary Circuit - Primary - Pressure at Pump: 4,134 psi
Maximum Auxiliary Circuit - Secondary - Pressure at Pump: 4,134 psi
Maximum Auxiliary Circuit - Primary - Flow at Pump: 35 gal/min
Maximum Auxiliary Circuit - Secondary - Flow at Pump: 9 gal/min

Service Refill Capacities

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

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: 752 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 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.

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.

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.

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.

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

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)

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