308 CR Mini Excavator

Introducing the Next Generation Cat 7-10 Ton Mini Excavators Introducing the Next Generation Cat 7-10 Ton Mini Excavators
Overview of the Next Generation Cat 7-10 Ton Mini Excavators Overview of the Next Generation Cat 7-10 Ton Mini Excavators
Standard Monitor on the Next Generation Cat Mini Excavators Standard Monitor on the Next Generation Cat Mini Excavators
Stick Steer on the Cat Next Generation Mini Excavators Stick Steer on the Cat Next Generation Mini Excavators
Cat 308 CR Mini Excavator Customer Story � Savage Excavation (Colorado, USA) Cat 308 CR Mini Excavator Customer Story � Savage Excavation (Colorado, USA)
Cat 308 CR Mini Excavator Customer Story � JA Langton (United Kingdom) Cat 308 CR Mini Excavator Customer Story � JA Langton (United Kingdom)
Daily Maintenance and Inspection on the Cat 7-10 Ton Mini Excavators Daily Maintenance and Inspection on the Cat 7-10 Ton Mini Excavators
Safety Features on the Cat 7-10 Ton Mini Excavators Safety Features on the Cat 7-10 Ton Mini Excavators
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SPECS SUMMARY

Net Power70.3 HP (52.4 kW)
Operating Weight20678 lb (9380 kg)
Dig Depth183 in (4643 mm)
Engine ModelCat C3.3B
The Cat® 308 CR Mini Excavator delivers maximum power and performance in a mini size to help you work in a wide range of applications.

Specifications

Net Power70.3 HP (52.4 kW)
Operating Weight20678 lb (9380 kg)
Dig Depth183 in (4643 mm)
Engine ModelCat C3.3B
Height17 in (431 mm)
Maximum Dump Clearance187 in (4760 mm)
Air ConditioningThe 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.
Cooling System2.6 gal (US) (10 l)
Tail Swing without Counterweight57 in (1450 mm)
Roll Over Protective Structure (ROPS)ISO 12117-2:2008
Top GuardISO 10262:1998 (Level II)
Displacement203 in³ (3.33 l)
Maximum Reach - Ground Level274 in (6949 mm)
Travel Speed - High3.2 mile/h (5.1 km/h)
Maximum Dig Height265 in (6736 mm)
Auxiliary Circuit - Secondary - Pressure4134 psi (285 bar)
Ground Pressure - Minimum Weight5.4 psi (36.9 kPa)
O/A Undercarriage Length113 in (2880 mm)
Maximum Reach - Ground Level294 in (7460 mm)
Maximum Reach301 in (7637 mm)
Counterweight552 lb (250 kg)
Stick Length93 in (2358 mm)
Ground Pressure - Maximum Weight5.8 psi (39.8 kPa)
Digging Force - Stick - Standard9509 lb (42.3 kN)
O/A Track Width91 in (2300 mm)
O/A Shipping Length262 in (6656 mm)
Operator Sound Pressure (ISO 6396:2008)72 dB(A) (72 dB(A))
Boom In Reach127 in (3215 mm)
Swing Bearing - Height30 in (756 mm)
Tip Over Protective Structure (TOPS)ISO 12117:1997
Vertical Wall134 in (3404 mm)
O/A Shipping Length259 in (6571 mm)
Dig Depth162 in (4108 mm)
Ground Clearance14 in (350 mm)
Boom Swing - Right50 degrees
Gradeability - Maximum30 degrees
Tail Swing without Counterweight57 in (1450 mm)
Average Exterior Sound Pressure (ISO 6395:2008)99 dB(A) (99 dB(A))
Maximum Traction Force - Low Speed15175 lb (67.5 kN)
Auxiliary Circuit - Secondary - Flow9 gal/min (33 l/min)
Minimum Operating Weight with Cab*18610 lb (8440 kg)
Gross Power - ISO 1439674.3 HP (55.4 kW)
Rated Net Power - 2,200 rpm - EU Stage V - ISO 9249/EEC 80/126971.5 HP (53.3 kW)
NoteEuropean Union Directive “2000/14/EC”
Engine Oil3 gal (US) (11.2 l)
O/A Track Width91 in (2300 mm)
Travel Speed - Low1.9 mile/h (3.1 km/h)
Swing Bearing - Height30 in (756 mm)
Long Stick146 lb (66 kg)
Hydraulic Tank14 gal (US) (53 l)
Pump Flow at 2,400 rpm44 gal/min (167 l/min)
Maximum Blade Depth16 in (407 mm)
Stroke4.7 in (120 mm)
Track Belt/Shoe Width18 in (450 mm)
Rated Net Power - 2,200 rpm - U.S. EPA Tier 4 Final - ISO 9249/EEC 80/126970.3 HP (52.4 kW)
Width - Standard91 in (2300 mm)
Boom Swing - Right37 in (935 mm)
Maximum Blade Height15 in (370 mm)
Digging Force - Stick - Long8032 lb (35.7 kN)
Tail Swing with Counterweight65 in (1645 mm)
Operating Pressure - Equipment4134 psi (285 bar)
Boom In Reach120 in (3059 mm)
Note (1)*Minimum Weight is based on rubber tracks, no counterweight, operator, full fuel tank, standard stick, blade and no bucket.
Fuel Tank39 gal (US) (147 l)
Vertical Wall118 in (2991 mm)
Cab Height100 in (2541 mm)
Operating Pressure - Swing3626 psi (250 bar)
Operating Pressure - Travel4134 psi (285 bar)
Digging Force - Bucket13946 lb (62 kN)
Maximum Dig Height277 in (7039 mm)
Machine Swing Speed10.6 r/min (10.6 r/min)
Boom Swing - Left24 in (604 mm)
Hydraulic System29 gal (US) (110 l)
TypeLoad Sensing Hydraulics with Variable Displacement Piston Pump
Ground Clearance14 in (350 mm)
Auxiliary Circuit - Primary - Pressure4134 psi (285 bar)
Boom Swing - Left24 in (604 mm)
Maximum Operating Weight with Cab**20077 lb (9105 kg)
Maximum Blade Height15 in (370 mm)
Note (2)**Maximum Weight is based on steel tracks with rubber pads, counterweight, operator, full fuel tank, long stick, blade and no bucket.
Transport Height98 in (2487 mm)
Maximum Blade Depth16 in (407 mm)
Boom Swing - Right37 in (935 mm)
Width - Wide97 in (2450 mm)
Auxiliary Circuit - Primary - Flow35 gal/min (131 l/min)
Steel Tracks with Pads752 lb (341 kg)
Cab Height100 in (2541 mm)
Transport Height99 in (2522 mm)
Bore3.7 in (94 mm)
Stick Length72 in (1823 mm)
Maximum Dump Clearance200 in (5072 mm)
O/A Undercarriage Length113 in (2880 mm)
Maximum Reach281 in (7141 mm)
Tail Swing with Counterweight65 in (1645 mm)
Track Belt/Shoe Width18 in (450 mm)
Maximum Traction Force - High Speed6250 lb (27.8 kN)
Boom Swing - Left60 degrees

Benefits and Features

  • 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.

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

  • 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!

  • 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.

  • 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.

  • 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.

  • 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.

Standard Equipment

  • Cat C3.3B Diesel Engine (U.S. EPA Tier 4 Final/EU Stage V) – Electronic Engine, Turbo, Diesel Particulate Filter (DPF)
  • Automatic Two Speed Travel
  • Extended Life Coolant, –37° C (–35° F)
  • Radial Seal – Double Element Air Filter
  • Fuel Water Separator with Indicator
  • Ecology Drain
  • Automatic Swing Brake
  • Automatic Engine Shutdown
  • Automatic Engine Idle
  • Load Sensing/Flow Sharing Hydraulics
  • Variable Displacement Piston Pump
  • HYDO Advanced Hydraulic Oil
  • Hydraulic Temperature Monitoring
  • Power On Demand
  • Certified Accumulator
  • Smart Tech Electronic Pump
  • 12V Power Socket
  • Rear Window Emergency Exit
  • Mounting Bosses for Top and Front Guards
  • Hydraulic Lockout Controls
  • Radio – Bluetooth®, USB, Auxiliary, Microphone
  • Assisted Front Window Overhead Storage
  • Travel Cruise Control
  • Fabric, High Back, Suspension Seat
  • Cup Holder
  • Control Pattern Changer
  • TOPS – ISO 12117:1997
  • Travel Pedals and Hand Levers
  • Literature Holder
  • Removable, Washable Floor Mat
  • Adjustable Wrist Rests
  • LED Interior Light
  • Retractable Seat Belt (75 mm/3 in)
  • ROPS – ISO 12117-2:2008
  • 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
  • Skylight
  • Stick Steer Mode
  • Cat Key with Passcode Option
  • Coat Hook
  • Top Guard – ISO 10262:1998 (Level II)
  • Sealed and Pressurized Cab
  • HVAC with Automatic Temperature Control
  • Integrated Lower Front Window
  • Molded Footrests
  • Operator Sound Pressure 72 dB(A) ISO 6396:2008
  • Dozer Blade
  • Hydraulic Track Adjusters
  • Tie Down Eyes on Track Frame
  • Dozer Float
  • Greased and Lubricated Track
  • Bolt-on, Reversible Wear Edge
  • Rubber Tracks
  • One Piece Boom (3400 mm/133.9 in)
  • Standard Stick (1820 mm/71.7 in)
  • Long Stick (2360 mm/92.9 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)
  • 12 Volt Electrical System
  • 60 Ampere Alternator
  • 900 CCA Maintenance Free Battery
  • Circuit Breaker
  • Ignition Key Stop Switch
  • Signaling/Warning Horn
  • Product Link™ Elite Lite (regulations apply)
  • Travel Alarm

Optional Equipment

  • Rain Visor
  • Air Suspension Heated Seat
  • Rearview Camera
  • Rotating Beacon
  • 2nd Auxiliary Hydraulic Lines with Case Drain
  • Additional Counterweight
  • Boom and Stick Hose Burst Check Valves
  • Bucket Linkage with Lift Eye
  • Track Guides
  • Steel Tracks (450 mm/17.7 in wide)
  • Steel Track with Rubber Pads
  • Wide Steel Tracks (600 mm/23.6 in)
  • Attachments including Buckets, Augers and Hammers
  • Water Jacket Heater
  • Wide Dozer Blade
  • Refueling Pump
  • Variable Angle Boom (please see 308 CR VAB brochure for VAB specs and additional information)
  • Cab Guarding