308E2 CR

Heavy Equipment

308E2 CR

Net Power
65 HP / 48.5 kW
Operating Weight
18519 lb / 8400 kg
Operating Weight - With Cab
18519 lb / 8400 kg

The 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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308E2 CR Small Product Brochure 308E2 CR Large Product Brochure 308E2 CR VAB Small Product Brochure
Engine
Engine Model Cat® C3.3B
Net Power 65 HP / 48.5 kW
Bore 3.7 in / 94 mm
Displacement 203.2 in³ / 3.33 l
Gross Power - ISO 14396 66.6 HP / 49.7 kW
Net Power - ISO 9249 65 HP / 48.5 kW
Rated Net Power - 2,400 rpm - ISO 9249/EEC 80/1269 65 HP / 48.5 kW
Stroke 4.7 in / 120 mm
Emissions Meets U.S. EPA Tier 4 Final and EU Stage IIIB emission standards.
Weights
Operating Weight 18519 lb / 8400 kg
Operating Weight - With Cab 18519 lb / 8400 kg
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.
Travel System
Ground Pressure 5.26 psi / 36.3 kPa
Gradeability - Maximum 30°
Maximum Traction Force - High Speed 8408 lb / 37.4 kN
Maximum Traction Force - Low Speed 14500 lb / 64.5 kN
Travel Speed - High 3.17 mile/h / 5.1 km/h
Travel Speed - Low 1.74 mile/h / 2.8 km/h
Note (1) Each track is driven by one independent 2-speed motor.
Note (2) Drive modules are integrated into the roller frame for total protection.
Note (3) Straight line travel when tracking and operating the front linkage simultaneously.
Hydraulic System
Auxiliary Circuit - Primary (280 bar/4,061 psi) 33.8 gal/min / 128 l/min
Auxiliary Circuit - Secondary (280 bar/4,061 psi) 16.9 gal/min / 64 l/min
Digging Force - Bucket 13534 lb / 60.2 kN
Digging Force - Stick - Long 7891 lb / 35.1 kN
Digging Force - Stick - Standard 9015 lb / 40.1 kN
Operating Pressure - Equipment 4061 psi / 28000 kPa
Operating Pressure - Swing 3481 psi / 24000 kPa
Operating Pressure - Travel 4061 psi / 28000 kPa
Pump Flow at 2,000 rpm 39.6 gal/min / 150 l/min
Note Load sensing hydraulics with variable displacement piston pump.
Swing System
Machine Swing Speed 11 r/min
Boom Swing - Left 60°
Boom Swing - Right 50°
Note Automatic swing break, spring applied, hydraulic release.
Blade
Width 91.3 in / 2320 mm
Height 17.7 in / 450 mm
Dig Depth 14.2 in / 360 mm
Lift Height 15 in / 380 mm
Service Refill Capacities
Cooling System 3.7 gal (US) / 14 l
Engine Oil 3 gal (US) / 11.2 l
Hydraulic Tank 21.7 gal (US) / 82 l
Fuel Tank 33 gal (US) / 125 l
Hydraulic System 24.8 gal (US) / 94 l
Operating Specifications
Counterweight 551 lb / 251 kg
Machine Overhang 11 in / 279.4 mm
Machine Overhang with Counterweight 16 in / 406 mm
Maximum Dig Depth 13.62 ft / 4150 mm
Stick Length - Long 7.25 ft / 2210 mm
Stick Length - Standard 5.5 ft / 1670 mm
Cab
Average Exterior Sound Pressure 99 dB(A) ISO 6395 – Dynamic Test
Dynamic Operator Sound Pressure 70 dB(A) ISO 6396
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 1.3 kg (2.9 lb) of refrigerant which has a CO2 equivalent of 1.9 metric tonnes (4,189 lb).

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.)

Dual Lock Pin Grabber Tilt Couplers - Mini Excavator

Increase machine versatility and improve overall production.

Model Drive Method Hydraulic Flow Length
Hydraulic 8 ton Helical rotary actuator 19-26.5 lpm (5-7 gpm) 24.5 in / 622 mm

Flail Mowers

Flail Mowers are ideal for efficient cutting and mulching of vegetation and overgrowth.

Model Working Width Required Hydraulics Drive Method
HMF210 40 in / 1000 mm Standard Flow V-Belt Drive

Heavy Duty Buckets - Mini Excavator

High strength buckets designed for maximum performance and value over a broad range of applications.

Model Width Rated Capacity Weight
330 mm (13 in) 13 in / 330 mm 3.5 yd³ / 99.1 m³ 299.8 lb / 136 kg
457 mm (18 in) 18 in / 457 mm 5.3 yd³ / 150.1 m³ 332.9 lb / 151 kg
610 mm (24 in) 24 in / 610 mm 8.1 yd³ / 229.4 m³ 392.4 lb / 178 kg
762 mm (30 in) 30 in / 762 mm 10.9 yd³ / 308.7 m³ 456.4 lb / 207 kg
914 mm (36 in) 36 in / 914 mm 13.7 yd³ / 387.9 m³ 507.1 lb / 230 kg

Augers

Designed to drill holes for footings, fencing, signs and trees.

Model Drive Shaft Torque at Maximum Pressure Drive Method Mounting Bracket Design
A26B 5034 lb/ft / 6826 N·m Gerotor Motor - Double Planetary Reduction Mini Hydraulic Excavator
A26B 5034 lb/ft / 6826 N·m Gerotor Motor - Double Planetary Reduction Mini Hydraulic Excavator

Mulchers

Mulchers are ideal for efficient cutting and mulching of vegetation and overgrowth.

Model Working Width Overall Width Required Hydraulics
HM112C 49 in / 1240 mm 60 in / 1518 mm Standard Flow
HM208 32 in / 818 mm 40 in / 1026 mm Standard Flow
HM210 40 in / 1012 mm 48 in / 1226 mm Standard Flow

Grading Buckets - Mini Excavator

For cleaning ditches, sloping, grading and other finishing work.

Model Width Rated Capacity Weight
1200 mm (47 in) 47.2 in / 1200 mm 14.5 yd³ / 410.6 m³ 615.2 lb / 279.1 kg
1500 mm (59 in) 59.1 in / 1500 mm 18.4 yd³ / 521 m³ 761.8 lb / 345.6 kg

Heavy Duty Rock Buckets - Mini Excavator

Used for aggressive bucket loading in highly abrasive applications such as severe rock.

Model Width Rated Capacity Weight
610 mm (24 in) 24 in / 610 mm 8.1 yd³ / 229.4 m³ 427.7 lb / 194 kg
762 mm (30 in) 30 in / 762 mm 10.9 yd³ / 308.7 m³ 491.6 lb / 223 kg

Heavy Duty Buckets

Ideal for semi-rocky soil or where hard bank material must be broken out and removed.

Model Width Weight Base Edge Thickness
300 mm (12 in) pin lock 12 in / 300 mm 249.1 lb / 113 kg 1 in / 25 mm
406 mm (16 in) pin lock 16 in / 406 mm 297.6 lb / 135 kg 1 in / 25 mm
457 mm (18 in) pin lock 18 in / 457 mm 304.2 lb / 138 kg 1 in / 25 mm
610 mm (24 in) pin lock 24 in / 610 mm 370.4 lb / 168 kg 1 in / 25 mm
762 mm (30 in) pin lock 30 in / 762 mm 443.1 lb / 201 kg 1 in / 25 mm
914 mm (36 in) pin lock 36 in / 914 mm 509.3 lb / 231 kg 1 in / 25 mm

High Capacity Buckets

Ideal for work in lower density soils and light materials.

Model Width Weight Base Edge Thickness
305 mm (12 in) pin lock 12 in / 305 mm 295.4 lb / 134 kg 1 in / 25 mm
406 mm (16 in) pin lock 16 in / 406 mm 337.3 lb / 153 kg 1 in / 25 mm
457 mm (18 in) pin lock 18 in / 457 mm 357.1 lb / 162 kg 1 in / 25 mm
610 mm (24 in) pin lock 24 in / 610 mm 427.7 lb / 194 kg 1 in / 25 mm
762 mm (30 in) pin lock 30 in / 762 mm 489.4 lb / 222 kg 1 in / 25 mm
914 mm (36 in) pin lock 36 in / 914 mm 560 lb / 254 kg 1 in / 25 mm

Rippers

For land clearing or site preparation in rock, quarry work and similar high-impact digging applications. Combine with a coupler for Rip & Load productivity.

Model Shank Length Weight Overall Length
861 mm (34 in) 34 in / 861 mm 236 lb / 107 kg 42 in / 1066 mm

Mobile Scrap & Demolition Shears

Cat® Scrap and Demolition Shears are industry leaders in steel processing. Power and performance in a reliable package, backed by the best dealer network in the world.

Model Apex Force Cutting Circuit - Maximum Flow Cutting Circuit - Maximum Relief Pressure
S305 73 Sh Ton / 653 kN 16 gal/min / 60 l/min 3625 psi / 25000 kPa

Vibratory Plate Compactors

Vibratory action and dynamic force provides excellent compaction in a compact size.

Model Impulse Force Impact Frequency Base Plate Width
CVP40 8992 lb / 40 kN 2200 bpm 23 in / 584 mm
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