This model is no longer in production and is unavailable for purchase. It has been replaced by an upgraded version, which you can view here.
View new modelThe Cat® 308E2 CR Mini Hydraulic Excavator delivers high performance, durability and versatility in a compact design to help you work in a variety of applications.
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Engine
- Engine Model
- Cat® C3.3B
- Net Power
- 65 hp
- Emissions
- Meets U.S. EPA Tier 4 Final and EU Stage IIIB emission standards.
- Stroke
- 4.7 in
- Displacement
- 203.2 in³
- Gross Power - ISO 14396
- 66.6 hp
- Rated Net Power - 2,400 rpm - ISO 9249/EEC 80/1269
- 65 hp
- Net Power - ISO 9249
- 65 hp
- Bore
- 3.7 in
Weights
- Operating Weight
- 18,519 lb
- Operating Weight - With Cab
- 18,519 lb
- Note (1)
- Weight with rubber tracks, bucket, operator (75 kg/165 lb), full fuel and auxiliary lines.
- Note (2)
- Weight varies depending on machine configuration.
Swing System
- Machine Swing Speed
- 11 r/min
- Note
- Automatic swing break, spring applied, hydraulic release.
- Boom Swing - Right
- 50°
- Boom Swing - Left
- 60°
Blade
- Width
- 91.3 in
- Height
- 17.7 in
- Dig Depth
- 14.2 in
- Lift Height
- 15 in
Service Refill Capacities
- Cooling System
- 3.7 gal (US)
- Engine Oil
- 3 gal (US)
- Hydraulic Tank
- 21.7 gal (US)
- Fuel Tank
- 33 gal (US)
- Hydraulic System
- 24.8 gal (US)
Travel System
- Ground Pressure
- 5.26 psi
- Note (3)
- Straight line travel when tracking and operating the front linkage simultaneously.
- Note (2)
- Drive modules are integrated into the roller frame for total protection.
- Note (1)
- Each track is driven by one independent 2-speed motor.
- Maximum Traction Force - High Speed
- 8,408 lb
- Gradeability - Maximum
- 30°
- Travel Speed - High
- 3.17 mile/h
- Maximum Traction Force - Low Speed
- 14,500 lb
- Travel Speed - Low
- 1.74 mile/h
Operating Specifications
- Maximum Dig Depth
- 13.62 ft
- Machine Overhang with Counterweight
- 16 in
- Stick Length - Standard
- 5.5 ft
- Stick Length - Long
- 7.25 ft
- Counterweight
- 551 lb
- Machine Overhang
- 11 in
Hydraulic System
- Note
- Load sensing hydraulics with variable displacement piston pump.
- Auxiliary Circuit - Primary (186 bar/2,734 psi)
- 33.8 gal/min
- Operating Pressure - Travel
- 4,061 psi
- Digging Force - Stick - Long
- 7,891 lb
- Digging Force - Bucket
- 13,534 lb
- Digging Force - Stick - Standard
- 9,015 lb
- Pump Flow at 2,000 rpm
- 39.6 gal/min
- Operating Pressure - Equipment
- 4,061 psi
- Operating Pressure - Swing
- 3,481 psi
- Auxiliary Circuit - Secondary (174 bar/2,524 psi)
- 16.9 gal/min
Cab
- Dynamic Operator Sound Pressure
- 70 dB(A) ISO 6,396
- Average Exterior Sound Pressure
- 99 dB(A) ISO 6,395 – Dynamic Test
Standard Equipment:
-
- Engine
-
- Cat C3.3B diesel engine (meets U.S. EPA Tier 4 Final/EU Stage IIIB emission standards)
- Automatic engine idle
- Automatic engine shut-off
- Automatic two speed travel
- Diesel Particulate Filter (North America only)
- Diesel Oxidation Catalyst (North America only)
- Fuel and water separator
- Power on demand
-
- Hydraulic System
-
- 1-way and 2-way (combined function)
- Accumulator
- Automatic swing parking brake
- Auxiliary hydraulic lines
- Adjustable auxiliary relief
- Auxiliary line quick disconnects
- Cat interlock system: hydraulic lockout
- Continuous auxiliary flow
- Ecology drain
- Hydraulic oil cooler
- High definition hydraulics
- Load sensing/flow sharing
-
- Operator Environment
-
- 100% pilot control ergonomic joysticks
- Adjustable armrests
- Air conditioning/heat
- COMPASS: complete, operation, maintenance, performance and security system
- Multiple languages
- Cup holder
- High back suspension seat, heated
- Hydraulic neutral lockout bar
- Interior light
- Literature holder
- Pattern changer (optional in Europe)
- Radio (optional in Europe)
- Site reference system: leveling
- Tool storage area
- Travel control pedals with hand levers
- Washable floor mat
- Windshield wiper
-
- Undercarriage
-
- Dozer blade with float function
- Track, rubber belt, 450 mm (18 in) width
- Tie down eyes on track frame
- Towing eye on base frame
-
- Front Linkage
-
- 180 degree bucket rotation
- Certified lifting eye on bucket linkage (optional in Europe)
- Front shovel capable
- Thumb ready stick
-
- Electrical
-
- 12 volt electrical system
- 60 ampere alternator
- 650 CCA maintenance free battery
- Fuse box
- Ignition key start/stop switch
- Slow blow fuse
- Warning horn
-
- Lights And Mirrors
-
- Cab and boom light with time delay capability
- Mirror, rear view, cab left
-
- Safety And Security
-
- Anti-theft system (COMPASS)
- Caterpillar Corporate “One Key” System
- Door locks
- Lockable fuel cap
- Rearview camera
- Retractable seat belt
- Roll Over Protective Structure (ROPS) (ISO 12117-2)
- Tip Over Protective Structure (TOPS) (ISO 12117)
- Top guard – ISO 10262 (Level II)
- Travel alarm (optional in Europe)
Optional Equipment:
-
- Engine
-
- Engine block heater
-
- Hydraulic System
-
- Quick coupler lines
- Boom lowering check valve (Standard on VAB configuration.)
- Stick lowering check valve (Standard on VAB configuration.)
- Secondary auxiliary hydraulic lines (Standard on VAB configuration.)
-
- Undercarriage
-
- Blade, weld on
- Track, triple grouser (steel), 450 mm (18 in)
- Track, triple grouser (steel) with rubber pad, 450 mm (18 in)
- Track, triple grouser (steel), 600 mm (24 in)
-
- Front Linkage
-
- Quick coupler: manual or hydraulic
- Thumb
- Buckets
- Full range of performance matched work tools
- Auger, hammer, shear, ripper
-
- Lights And Mirrors
-
- Mirror, cab rear
-
- Safety And Security
-
- Battery disconnect
- Front wire mesh guard
- Front steel plate guard
- Rain guard
-
- Technology
-
- Product Link™
-
- Other Attachments
-
- Counterweight, extra, 1121 kg (2,493 lb) (Standard on VAB configuration.)
Specifications
Engine
- Engine Model
- Cat® C3.3B
- Net Power
- 65 hp
- Emissions
- Meets U.S. EPA Tier 4 Final and EU Stage IIIB emission standards.
- Stroke
- 4.7 in
- Displacement
- 203.2 in³
- Gross Power - ISO 14396
- 66.6 hp
- Rated Net Power - 2,400 rpm - ISO 9249/EEC 80/1269
- 65 hp
- Net Power - ISO 9249
- 65 hp
- Bore
- 3.7 in
Weights
- Operating Weight
- 18,519 lb
- Operating Weight - With Cab
- 18,519 lb
- Note (1)
- Weight with rubber tracks, bucket, operator (75 kg/165 lb), full fuel and auxiliary lines.
- Note (2)
- Weight varies depending on machine configuration.
Swing System
- Machine Swing Speed
- 11 r/min
- Note
- Automatic swing break, spring applied, hydraulic release.
- Boom Swing - Right
- 50°
- Boom Swing - Left
- 60°
Blade
- Width
- 91.3 in
- Height
- 17.7 in
- Dig Depth
- 14.2 in
- Lift Height
- 15 in
Service Refill Capacities
- Cooling System
- 3.7 gal (US)
- Engine Oil
- 3 gal (US)
- Hydraulic Tank
- 21.7 gal (US)
- Fuel Tank
- 33 gal (US)
- Hydraulic System
- 24.8 gal (US)
Travel System
- Ground Pressure
- 5.26 psi
- Note (3)
- Straight line travel when tracking and operating the front linkage simultaneously.
- Note (2)
- Drive modules are integrated into the roller frame for total protection.
- Note (1)
- Each track is driven by one independent 2-speed motor.
- Maximum Traction Force - High Speed
- 8,408 lb
- Gradeability - Maximum
- 30°
- Travel Speed - High
- 3.17 mile/h
- Maximum Traction Force - Low Speed
- 14,500 lb
- Travel Speed - Low
- 1.74 mile/h
Operating Specifications
- Maximum Dig Depth
- 13.62 ft
- Machine Overhang with Counterweight
- 16 in
- Stick Length - Standard
- 5.5 ft
- Stick Length - Long
- 7.25 ft
- Counterweight
- 551 lb
- Machine Overhang
- 11 in
Hydraulic System
- Note
- Load sensing hydraulics with variable displacement piston pump.
- Auxiliary Circuit - Primary (186 bar/2,734 psi)
- 33.8 gal/min
- Operating Pressure - Travel
- 4,061 psi
- Digging Force - Stick - Long
- 7,891 lb
- Digging Force - Bucket
- 13,534 lb
- Digging Force - Stick - Standard
- 9,015 lb
- Pump Flow at 2,000 rpm
- 39.6 gal/min
- Operating Pressure - Equipment
- 4,061 psi
- Operating Pressure - Swing
- 3,481 psi
- Auxiliary Circuit - Secondary (174 bar/2,524 psi)
- 16.9 gal/min
Cab
- Dynamic Operator Sound Pressure
- 70 dB(A) ISO 6,396
- Average Exterior Sound Pressure
- 99 dB(A) ISO 6,395 – Dynamic Test
Standard/Optional Features
Standard Equipment:
-
- Engine
-
- Cat C3.3B diesel engine (meets U.S. EPA Tier 4 Final/EU Stage IIIB emission standards)
- Automatic engine idle
- Automatic engine shut-off
- Automatic two speed travel
- Diesel Particulate Filter (North America only)
- Diesel Oxidation Catalyst (North America only)
- Fuel and water separator
- Power on demand
-
- Hydraulic System
-
- 1-way and 2-way (combined function)
- Accumulator
- Automatic swing parking brake
- Auxiliary hydraulic lines
- Adjustable auxiliary relief
- Auxiliary line quick disconnects
- Cat interlock system: hydraulic lockout
- Continuous auxiliary flow
- Ecology drain
- Hydraulic oil cooler
- High definition hydraulics
- Load sensing/flow sharing
-
- Operator Environment
-
- 100% pilot control ergonomic joysticks
- Adjustable armrests
- Air conditioning/heat
- COMPASS: complete, operation, maintenance, performance and security system
- Multiple languages
- Cup holder
- High back suspension seat, heated
- Hydraulic neutral lockout bar
- Interior light
- Literature holder
- Pattern changer (optional in Europe)
- Radio (optional in Europe)
- Site reference system: leveling
- Tool storage area
- Travel control pedals with hand levers
- Washable floor mat
- Windshield wiper
-
- Undercarriage
-
- Dozer blade with float function
- Track, rubber belt, 450 mm (18 in) width
- Tie down eyes on track frame
- Towing eye on base frame
-
- Front Linkage
-
- 180 degree bucket rotation
- Certified lifting eye on bucket linkage (optional in Europe)
- Front shovel capable
- Thumb ready stick
-
- Electrical
-
- 12 volt electrical system
- 60 ampere alternator
- 650 CCA maintenance free battery
- Fuse box
- Ignition key start/stop switch
- Slow blow fuse
- Warning horn
-
- Lights And Mirrors
-
- Cab and boom light with time delay capability
- Mirror, rear view, cab left
-
- Safety And Security
-
- Anti-theft system (COMPASS)
- Caterpillar Corporate “One Key” System
- Door locks
- Lockable fuel cap
- Rearview camera
- Retractable seat belt
- Roll Over Protective Structure (ROPS) (ISO 12117-2)
- Tip Over Protective Structure (TOPS) (ISO 12117)
- Top guard – ISO 10262 (Level II)
- Travel alarm (optional in Europe)
Optional Equipment:
-
- Engine
-
- Engine block heater
-
- Hydraulic System
-
- Quick coupler lines
- Boom lowering check valve (Standard on VAB configuration.)
- Stick lowering check valve (Standard on VAB configuration.)
- Secondary auxiliary hydraulic lines (Standard on VAB configuration.)
-
- Undercarriage
-
- Blade, weld on
- Track, triple grouser (steel), 450 mm (18 in)
- Track, triple grouser (steel) with rubber pad, 450 mm (18 in)
- Track, triple grouser (steel), 600 mm (24 in)
-
- Front Linkage
-
- Quick coupler: manual or hydraulic
- Thumb
- Buckets
- Full range of performance matched work tools
- Auger, hammer, shear, ripper
-
- Lights And Mirrors
-
- Mirror, cab rear
-
- Safety And Security
-
- Battery disconnect
- Front wire mesh guard
- Front steel plate guard
- Rain guard
-
- Technology
-
- Product Link™
-
- Other Attachments
-
- Counterweight, extra, 1121 kg (2,493 lb) (Standard on VAB configuration.)