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Minimum Rating835 ekW (835 ekW)
Maximum Rating835 ekW (835 ekW)
Lube Oil System - Refill60 gal (US) (227.1 l)
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.


Minimum Rating835 ekW (835 ekW)
Maximum Rating835 ekW (835 ekW)
Lube Oil System - Refill60 gal (US) (227.1 l)
Length196.3 in (4986 mm)
Height102.2 in (1596 mm)
Width91.3 in (2319 mm)
Engine Control and ProtectionADEM A3
Stroke7.48 in (190 mm)
Bore6.69 in (170 mm)
Displacement2111 in³ (34.5 l)
Fuel SystemEUI
Oil Change Interval500 h (500 h)
Weight33846 lb (15352 kg)
Cooling System - Engine27 gal (US) (103 l)

Benefits and Features

- E-stop pushbutton on instrument panel - Air shutoff and explosion relief valves available - Configurable alarm, derate, and shutdown set points - Extra alarms, inputs, and outputs available

For any petroleum application, trust Caterpillar to meet your project needs with custom factory generator sets and mechanical packages. Cat engines, generators, controls, radiators, and transmissions can be custom designed and matched in collaboration with our local dealers to create unique solutions. Custom packages are globally supported and are covered by a one year warranty after startup.

- Every Cat generator set is full-load tested to ensure proper engine performance. - Generator sets are assembled, tested, and validated as a package to ensure performance, reliability and durability.

- More than 2,200 dealer outlets - Cat factory-trained dealer technicians service every aspect of your Cat petroleum product - Worldwide parts availability, service, and warranty - Preventive maintenance agreements available for repairbefore- failure options - S•O•SSM program matches your oil and coolant samples against Caterpillar set standards to determine: • Internal engine component condition • Presence of unwanted fluids • Presence of combustion by-products • Site-specific oil change interval

Ownership of these manufacturing processes enables Caterpillar to produce high quality, dependable products.

For all your petroleum power requirements, visit

Standard Equipment

  • Corrosion-resistant aftercooler core
  • Regular duty air cleaner
  • Service indicator
  • ADEM A3 ECU, left-hand mounted
  • Separate-circuit aftercooled
  • Outlet controlled jacket water thermostat
  • Jacket water pump - gear driven
  • Dual outlet
  • Aftercooler water pump - gear driven
  • Aftercooler water thermostat
  • Dry exhaust manifold
  • Dual turbochargers, water cooled bearings
  • Exhaust flexible fitting, adapters, and flanges
  • SAE No. 00 flywheel
  • SAE No. 00 flywheel housing
  • SAE standard rotation
  • Fuel filter simplex (LH) with priming pump (LH)
  • Fuel transfer pump
  • Flexible fuel lines
  • Electronic unit injectors
  • SR4B generator
  • Twin-bearing, close-coupled
  • Form wound, class H insulation, 80/40 temperature rise
  • Permanent magnet excitation
  • Emergency stop button
  • Service port connector
  • Customer connection terminal blocks
  • Electronic instrument panel
  • Analog instrument gauges:
  • Digital display readouts:
  • Crankcase breather
  • Oil cooler
  • Simplex oil filter
  • Shallow oil pan
  • Oil drain extension, 2 in NPT female connection
  • Oilfield base 7.85 m (25 ft 9 in) length. Heavy-duty land rig inner base frame — three-point mount to oilfield base
  • Accessory drive
  • Engine alarms, derate, and shutdown in abnormal operation
  • Air starting motor
  • Air silencer
  • Paint - Cat yellow
  • Vibration damper and guard
  • Lifting eyes
  • Lift and cable two provisions

Optional Equipment

  • Heavy duty air cleaner
  • Remote air inlet adapters
  • Load sharing governor, 2301A
  • Load sharing module
  • Governor conversion to 0-200 mA direct rack control
  • 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 elbows
  • Exhaust mufflers
  • Primary fuel filter
  • Low voltage extension box
  • Potential and current transformers
  • Air filter
  • Cable access box
  • Bearing RTDs
  • Customer management device
  • Gauges and instrumentation panels
  • Switches and contactors
  • Crankcase fumes disposal
  • Oil pan accessories
  • Crankshaft pulley
  • Front stub shaft
  • Charging alternator
  • Explosion relief valves (3)
  • Shutoffs
  • Switches and contactors
  • Manual air starter
  • Air pressure regulator
  • Engine barring group
  • Jacket water heater