336 Hydraulic Excavator

The Cat® 336 excavator brings premium performance with simple-to-use technologies like Cat GRADE with 2D, Grade Assist, and Payload – all standard equipment from the factory to boost your operator efficiencies up to 45 percent. Combine these features with a new cab, longer maintenance intervals that lower your maintenance costs up to 15 percent, and a power system that improves fuel efficiency up to 15 percent and you have a low-cost-per-unit-of-production excavator that’s perfect for your applications.

Not all features available in all regions. Consult your Cat dealer for specific configurations available in your region.


Net Power - ISO 9249 311HP
Engine Model Cat C9.3B
Engine Power - ISO 14396 314HP
Bore 5in
Stroke 6in
Displacement 568in³


Operating Weight 81900lb

Working Ranges & Forces

Maximum Digging Depth 26.9ft
Boom Reach 6.5 m (21'4")
Stick Reach 3.9 m (12'10")
Bucket GDC 2.27 m³ (2.97 yd³)
Maximum Reach at Ground Level 38.5ft
Maximum Cutting Height 35.2ft
Maximum Loading Height 24.6ft
Minimum Loading Height 6.2ft
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom 26.4ft
Maximum Vertical Wall Digging Depth 20.9ft
Bucket Digging Force - ISO 47160lbf
Stick Digging Force - ISO 32400lbf

Hydraulic System

Main System - Maximum Flow 558 l/min (147 gal/min)
Maximum Pressure - Equipment 5076psi
Maximum Pressure - Equipment - Lift Mode 5511psi
Maximum Pressure - Travel 5076psi
Maximum Pressure - Swing 4264psi

Swing Mechanism

Swing Speed 8.75r/min
Maximum Swing Torque 106228ft·lbf

Service Refill Capacities

Fuel Tank Capacity 158.5gal (US)
Cooling System 10.5gal (US)
Engine Oil 8.5gal (US)
Swing Drive - Each 4.8gal (US)
Final Drive - Each 2.1gal (US)
Hydraulic System - Including Tank 98.5gal (US)
Hydraulic Tank 42.5gal (US)
DEF Tank 21.1gal (US)


Boom Reach 6.5 m (21'4")
Stick Reach 3.9 m (12'10")
Bucket GDC 2.27 m³ (2.97 yd³)
Shipping Height - Top of Cab 10.4ft
Handrail Height 10.4ft
Shipping Length 36.7ft
Tail Swing Radius 11.6ft
Counterweight Clearance 4.1ft
Ground Clearance 1.7ft
Track Length 16.6ft
Track Length to Center of Rollers 13.3ft
Track Gauge 8.5ft
Transport Width 11.3ft

Standard Equipment

  • Note
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • Cab
    • ROPS, sound suppression
    • High-resolution 254 mm (10") LCD touchscreen monitor
    • Heated seat with air-adjustable suspension (Deluxe only)
    • Heated and cooled seat with auto adjustable suspension (Premium only)
  • Engine
    • Three selectable modes: Power, Smart, and Eco
    • Auto engine speed control
    • Up to 3300 m (10,830 ft) altitude capability
    • 52° C (126° F) high-ambient cooling capacity
    • -18° C (0° F) cold start capability
    • Double element air filter with integrated precleaner
    • Remote disable
    • Biodiesel capability up to B20
  • Hydraulic System
    • Boom and stick regeneration circuit
    • Electronic main control valve
    • Auto hydraulic oil warm up
    • Reverse swing damping valve
    • Auto swing parking brake
    • High performance hydraulic return filter
    • Two speed travel
    • Bio hydraulic oil capability
  • Undercarriage And Structures
    • Towing eye on base frame
  • Electrical System
    • Maintenance-free 1000 CCA batteries (x2)
    • Centralized electrical disconnect switch
    • LED chassis light, left and right hand boom lights, cab lights
  • Cat Technology
    • Cat Product Link
    • Cat GRADE with 2D
    • Cat GRADE with Assist
    • Cat PAYLOAD
    • E-Fence
    • Lift Assist
    • Auto Dig Boost
    • Remote Services capability
  • Service And Maintenance
    • Grouped location of engine oil & fuel filters
    • Scheduled Oil Sampling (S.O.S) ports
  • Safety And Security
    • Caterpillar One Key security system
    • Lockable external tool / storage box
    • Lockable door, fuel, and hydraulic tank locks
    • Lockable fuel drain compartment
    • Service platform with anti-skid plate & recessed bolts
    • Right hand handrail & hand hold (ISO 2867:2011 Compliant)
    • Standard visibility mirror package
    • Signaling / warning horn
    • Ground-level secondary engine shutoff switch
    • Rearview camera

Optional Equipment

  • Note
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • Cab
    • Cat Stick Steer
  • Engine
    • Cold start block heaters
    • -32° C (-25° F) cold start capability
    • Hydraulic reverse fan
  • Hydraulic System
    • Heavy lift mode
    • Combined two-way auxiliary circuit
    • Medium-pressure auxiliary circuit
    • Quick coupler circuit
    • Auto Heavy Lift
  • Undercarriage And Structures
    • Long undercarriage
    • 6.8 mt (14,991 lb) counterweight
    • 7.56 mt (16,667 lb) counterweight
    • 600mm (24") triple grouser track shoes
    • 600mm (24") HD triple grouser track shoes
    • 600mm (24") double grouser track shoes
    • 700mm (28") triple grouser track shoes
    • 850mm (33") triple grouser track shoes
  • Booms And Sticks
    • 6.18m (20'3") Mass boom
    • 6.5m (21'4") Reach boom
    • 6.5m (21'4") HD Reach boom
    • 2.55m (8'4") stick
    • 3.2m (10'6") stick
    • 3.9m (12'10") stick
  • Electrical System
    • Premium surround lighting package
  • Cat Technology
    • Cat GRADE with Advanced 2D
    • Cat GRADE with 3D
  • Service And Maintenance
    • QuickEvac maintenance ready
    • Electric refueling pump with auto shutoff
  • Safety And Security
    • Right-hand-sideview camera
    • 360° Visibility
    • Rear and right-hand-sideview cameras
    • Boom lowering check valve
    • Stick lowering check valve
    • Cat Command remote control
    • Inspection Lighting