336 Excavator

  • Specs Summary
  • Net Power
    44.1 HP (32.9 kW)
  • Operating Weight
  • Operating Weight
    11958 lb (5423 kg)
  • Maximum Digging Depth

305.5E2 CR Mini Hydraulic Excavator

The Cat® 305.5E2 CR Mini Hydraulic Excavator delivers high performance, durability and versatility in a compact design to help you work in a variety of applications.
  • Height 14.8 in (375 mm)
  • Boom Swing - Right 31 in (785 mm)
  • Boom Swing - Left 27 in (695 mm)
  • Maximum Reach - Ground Level 222 in (5630 mm)
  • Swing Bearing - Height 24 in (615 mm)
  • Type ( )
  • Digging Force - Stick - Standard 6500 lb (28.9 kN)
  • O/A Shipping Length 210 in (5330 mm)
  • Maximum Blade Height 16 in (405 mm)
  • Hydraulic System 20.6 gal (US) (78 l)
  • Digging Force - Stick - Long 5575 lb (24.8 kN)
  • Boom In Reach 94 in (2400 mm)
  • Dig Depth 152 in (3870 mm)
  • Machine Swing Speed 10 r/min (10 r/min)
  • Operating Pressure - Travel 3553 psi (245 bar)
  • Fuel Tank 16.6 gal (US) (63 l)
  • Net Power 44.1 HP (32.9 kW)
  • Engine Model ( )
  • Engine Oil 2.5 gal (US) (9.5 l)
  • Travel Speed - High 2.8 mile/h (4.5 km/h)
  • Maximum Reach - Ground Level 237 in (6020 mm)
  • Gross Power - ISO 14396 45.7 HP (34.1 kW)
  • Digging Force - Bucket 11445 lb (50.9 kN)
  • Vertical Wall 92 in (2330 mm)
  • Maximum Blade Height 16 in (405 mm)
  • Pump Flow at 2,400 rpm 39.6 gal/min (150 l/min)
  • Maximum Blade Depth 22 in (555 mm)
  • Maximum Traction Force - High Speed 6025 lb (26.8 kN)
  • Boom In Reach 100 in (2530 mm)
  • Maximum Reach 228 in (5790 mm)
  • O/A Track Width 78 in (1980 mm)
  • Travel Speed - Low 1.7 mile/h (2.8 km/h)
  • Boom Swing - Left 27 in (695 mm)
  • O/A Track Width 78 in (1980 mm)
  • Displacement 146 in³ (2.4 l)
  • Swing Bearing - Height 24 in (615 mm)
  • Boom Swing - Right 31 in (785 mm)
  • Maximum Traction Force - Low Speed 10746 lb (47.8 kN)
  • Maximum Dig Height 210 in (5330 mm)
  • Maximum Reach 243 in (6170 mm)
  • Track Belt/Shoe Width 16 in (400 mm)
  • Dig Depth 137 in (3470 mm)
  • Vertical Wall 107 in (2730 mm)
  • Maximum Dump Clearance 150 in (3820 mm)
  • Stroke 4 in (102.4 mm)
  • Track Belt/Shoe Width 16 in (400 mm)
  • O/A Undercarriage Length 102 in (2580 mm)
  • O/A Shipping Length 215 in (5460 mm)
  • O/A Undercarriage Length 102 in (2580 mm)
  • Gradeability - Maximum ( )
  • Air Conditioning ( )
  • Maximum Dig Height 220 in (5590 mm)
  • Bore 3.4 in (87 mm)
  • Maximum Dump Clearance 161 in (4080 mm)
  • Operating Pressure - Swing 3132 psi (216 bar)
  • Maximum Blade Depth 22 in (555 mm)
  • Operating Weight 11958 lb (5423 kg)
  • Weight - Canopy, Standard Stick 11503 lb (5217 kg)
  • Auxiliary Circuit - Secondary (174 bar/2,524 psi) 6.6 gal/min (25 l/min)
  • Auxiliary Circuit - Primary (186 bar/2,734 psi) 21.1 gal/min (80 l/min)
  • Boom Swing - Right ( )
  • Boom Swing - Left - Without Stop* ( )
  • Boom Swing - Left - With Stop* ( )
  • Dig Depth 21.9 in (555 mm)
  • Lift Height 15.9 in (405 mm)
  • Boom Height - Shipping Position 69 in (1740 mm)
  • Weight - Cab, Long Stick 11958 lb (5423 kg)
  • Dynamic Operator Sound Pressure Level (ISO 6396:2008) 81 dB(A) (81 dB(A))
  • O/A Shipping Height 100 in (2550 mm)
  • Tip Over Protective Structure (TOPS) ( )
  • Weight - Canopy, Long Stick 11596 lb (5259 kg)
  • Tail Swing 44 in (1130 mm)
  • Note ( )
  • Note ( )
  • Exterior Sound Power Level - ISO 6395:2008* 97 dB(A) (97 dB(A))
  • Tail Swing 44 in (1130 mm)
  • Weight - Cab, Standard Stick 11863 lb (5380 kg)
  • Ground Pressure - Cab 4.6 psi (31.9 kPa)
  • Track Roller Type ( )
  • Top Guard ( )
  • O/A Shipping Height 100 in (2550 mm)
  • Ground Pressure - Canopy 4.5 psi (31 kPa)
  • Note ( )
  • Emissions ( )
  • Boom Height - Shipping Position 85 in (2150 mm)
  • Stick Length - Standard 55 in (1420 mm)
  • Stick Length - Long 70 in (1820 mm)
  • Number of Carrier Rollers ( )
  • Roll Over Protective Structure (ROPS) ( )
  • Number of Track Rollers ( )
  • Net Power - 2,200 rpm - ISO 9249/EEC 80/1269 44.1 HP (32.9 kW)
  • Width 78 in (1980 mm)
  • Blade Up - Front 3417 lb (1550 kg)
  • Blade Down - Front 3042 lb (1380 kg)
  • Blade Up - Side 2535 lb (1150 kg)
  • Counterweight 364.4 lb (165.3 kg)
  • Blade Up - Side 1367 lb (620 kg)
  • Blade Up - Front 1808 lb (820 kg)
  • Blade Down - Side 2844 lb (1290 kg)
  • Blade Down - Side 1521 lb (690 kg)
  • Blade Down - Front 5710 lb (2590 kg)
  • Cooling System 2.8 gal (US) (10.5 l)
  • Hydraulic Tank 18 gal (US) (68.3 l)
  • Operating Pressure - Equipment 3553 psi (245 bar)
  • Maximum Auxiliary Circuit - Primary - Pressure 3553 psi (24500 kPa)
  • Maximum Auxiliary Circuit - Secondary - Pressure 3553 psi (24500 kPa)
  • Maximum Auxiliary Circuit - Secondary - Flow 6.6 gal/min (25 l/min)
  • Maximum Auxiliary Circuit - Primary - Flow 21.1 gal/min (80 l/min)

Standard Equipment

ENGINE

  • Cat C2.4 diesel engine (meets U.S. EPA Tier 4 Final emission standards for North America and EU Stage IIIA/Tier 4 Interim emission standards for all other regions)
  • 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
  • COMPASS: complete, operation, maintenance, performance and security system<ul><li>Multiple languages</li></ul>
  • Cup holder
  • Hydraulic neutral lockout bar
  • Literature holder
  • Pattern changer (optional in Europe)
  • Site reference system: leveling
  • Tool storage area
  • Travel control pedals with hand levers
  • Washable floor mat

UNDERCARRIAGE

  • Dozer blade with float function
  • Track, rubber belt, 400 mm (16 in) width
  • Tie down eyes on track frame
  • Towing eye on base frame

FRONT LINKAGE

  • 200 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

  • Boom light with time delay capability

SAFETY AND SECURITY

  • Anti-theft system (COMPASS)
  • Caterpillar Corporate “One Key” System
  • Door locks
  • Lockable fuel cap
  • Retractable seat belt
  • Roll Over Protective Structure (ROPS) (ISO 12117-2)
  • Tip Over Protective Structure (TOPS) (ISO 12117)
  • Top guard – ISO 10262 (Level 1)
  • Travel alarm (optional in Europe)

TECHNOLOGY

  • Product Link™

Optional Equipment

ENGINE

  • Engine block heater

HYDRAULIC SYSTEM

  • Quick coupler lines
  • Boom lowering check valve
  • Stick lowering check valve
  • Secondary auxiliary hydraulic lines

OPERATOR ENVIRONMENT

  • Cab:<ul><li>Air conditioning</li><li>Heat</li><li>High back suspension seat</li><li>Interior light</li><li>Interlocking front window system</li><li>Radio</li><li>Windshield wiper</li></ul>

UNDERCARRIAGE

  • Power angle blade
  • Track, double grouser (steel), 400 mm (16 in)
  • Track, double grouser (steel) with rubber pad, 400 mm (16 in)

FRONT LINKAGE

  • Quick coupler: manual or hydraulic
  • Thumb
  • Buckets
  • Full range of performance matched work tools<ul><li>Auger, hammer, ripper</li></ul>

LIGHTS AND MIRRORS

  • Light, cab with time delay capability
  • Mirror, canopy right
  • Mirror, canopy left
  • Mirror, cab rear

SAFETY AND SECURITY

  • Battery disconnect
  • Beacon socket
  • Front wire mesh guard
  • Rearview camera
  • Vandal guard

OTHER ATTACHMENTS

  • Counterweight, extra