Land Electric-Drive Modules 3508B

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Key Specs

Minimum Rating
835 ekW
835 ekW
Maximum Rating
835 ekW
835 ekW
Emissions
Non-certified
Non-certified

Overview

Oil and gas drilling is a complex task that requires specialized power generation equipment. Cat 3500 power modules are specifically designed for drilling operations of electric AC rigs. They combine decades of field experience of the 3500 platform with technology in electronics to ensure highest performance, low emissions, and simplified operator interface. Cat power modules are backed by the worldwide network of Cat dealers ready to support your operation with technical support, service, parts, and warranty. 3508B land drilling power module rating: 835 ekW (1194 kVA) @ 50 Hz (1500 rpm). Not emissions certified, available for non-regulated areas.

Product Specifications for 3508B

Minimum Rating 835 ekW 835 ekW
Maximum Rating 835 ekW 835 ekW
Emissions Non-certified Non-certified
Weight 33846 lb 15352 kg
Generator SR4B SR4B
Oil Change Interval 500 h 500 h
Fuel System EUI EUI
Displacement 2111 in³ 34.5 l
Bore 6.69 in 170 mm
Engine Control and Protection ADEM A3 ADEM A3
Stroke 7.48 in 190 mm
Aspiration Turbocharged-Aftercooled Turbocharged-Aftercooled
Voltage 600 600
Width 91.3 in 2319 mm
Height 102.2 in 1596 mm
Length 196.3 in 4986 mm
Lube Oil System - Refill 60 gal (US) 227.1 l
Cooling System - Engine 27 gal (US) 103 l

3508B Standard Equipment

Air Inlet System

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

Control System

  • ADEM A3 ECU, left-hand mounted

Cooling System

  • Separate-circuit aftercooled
  • Outlet controlled jacket water thermostat
  • Jacket water pump - gear driven
  • Dual outlet
  • Aftercooler water pump - gear driven
  • Aftercooler water thermostat

Exhaust System

  • Dry exhaust manifold
  • Dual turbochargers, water cooled bearings
  • 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 simplex (LH) with priming pump (LH)
  • Fuel transfer pump
  • Flexible fuel lines
  • Electronic unit injectors

Generator

  • SR4B generator
  • Twin-bearing, close-coupled
  • Form wound, class H insulation, 80/40 temperature rise
  • Permanent magnet excitation

Instrumentation

  • Emergency stop button
  • Service port connector
  • Customer connection terminal blocks
  • Electronic instrument panel
  • Analog instrument gauges:
  • Digital display readouts:

Lubrication System

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

Mounting System

  • Oilfield base 7.85 m (25 ft 9 in) length. Heavy-duty land rig inner base frame — three-point mount to oilfield base

Power take-offs

  • Accessory drive

Protection System

  • Engine alarms, derate, and shutdown in abnormal operation

Starting System

  • Air starting motor
  • Air silencer

General

  • Paint - Cat yellow
  • Vibration damper and guard
  • Lifting eyes
  • Lift and cable two provisions

3508B 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

Cooling System

  • Radiator, high gloss black conventional core radiator. Includes radiator, blower fan, fan drive, fan pulley, belt guard, radiator guard, cover, water level switch gauge, coolant level sensors

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

Mounting System

  • Bases

Power Take-off

  • Crankshaft pulley
  • Front stub shaft
  • Charging alternator

Protection System

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

Starting System

  • Manual air starter
  • Air pressure regulator

General

  • Engine barring group
  • Jacket water heater

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