336 Excavator

  • Specs Summary

3508 Land Mechanical Drilling Engine

Cat 3508 engines set the standard in the drilling industry. For many years the 3500 has been the preferred choice by drillers due to their high performance, durability, and reliability in the oilfield. The ideal application for the 3508 engine is mechanical drive for land drilling rigs. Cat engines are backed by the worldwide network of Cat dealers ready to support your operation with technical support, service, parts, and warranty. 3508 engines, with ratings: 3508 engines, with ratings: 507-846 bkW (680-1135 bhp) @ 1200-1900 rpm. Not emissions certified, available for non-regulated areas.

Standard Equipment

Air Inlet System

  • Corrosion-resistant aftercooler core
  • Regular duty air cleaner
  • Service indicator

Control System

  • Governor, Woodward 3161 — RH
  • Pneumatic control
  • Governor control - positive locking

Cooling System

  • Thermostats and housing (dual outlet)
  • Jacket water pump, gear driven

Exhaust System

  • Dry exhaust manifold
  • Exhaust flexible fitting, adapters, and flanges

Flywheel and Housing

  • SAE No. 00 flywheel
  • SAE No. 00 flywheel housing
  • SAE standard rotation

Fuel System

  • Fuel filter
  • Fuel transfer pump
  • Flexible fuel lines
  • Fuel priming pump

Instrumentation

  • Analog instrument gauges:

Lubrication System

  • Crankcase breather
  • Oil cooler
  • Oil filter
  • Shallow oil pan
  • Oil drain extension, 2 in NPT female connection

Mounting System

  • Rails, mounting, floor type

Power take-offs

  • Accessory drive
  • Front housing, two-sided

Protection System

  • Manual shutoff control, LH
  • Junction box
  • Safety shutoff protection, energized to shutdown

Starting System

  • Air starting motor
  • Air silencer

General

  • Paint - Cat yellow
  • Vibration damper and guard
  • Lifting eyes

Optional Equipment

Air Inlet System

  • Heavy duty air cleaner
  • Remote air inlet adapters

Control System

  • Load sharing governor, 2301A
  • Load sharing module
  • Governor conversion to 0-200 mA direct rack control
  • Local speed throttle control
  • Throttle position sensors

Cooling System

  • High gloss black folded core radiators and conventional core radiators
  • Belt guard
  • Blower fan
  • Fan drive and fan pulley
  • Radiator cover
  • Water level switch gauge
  • Air separator
  • Coolant level sensors
  • Connections

Exhaust System

  • Exhaust elbows
  • Exhaust mufflers

Fuel System

  • Primary fuel filter

Generator and Attachments

  • Low voltage extension box
  • Potential and current transformers
  • Air filter
  • Cable access box
  • Bearing RTDs

Instrumentation

  • Customer management device
  • Gauges and instrumentation panels
  • Switches and contactors

Lubrication System

  • Crankcase fumes disposal
  • Oil pan accessories

Power Take-off

  • Crankshaft pulley
  • Front stub shaft
  • Charging alternator
  • Air compressor

Protection System

  • Explosion relief valves (3)
  • Shutoffs
  • Switches and contactors

Starting System

  • Manual air starter
  • Air pressure regulator

General

  • Flywheel guard