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Overview

Oil and gas drilling is a complex task that requires specialized power generation equipment. Cat 3500 generator sets are specifically designed for drilling operations of electric AC rigs. They combine decades of field experience of the 3500 platform with the latest electronics to ensure highest performance, low emissions, and simplified operator interface. Cat generator sets are backed by the worldwide network of Cat dealers ready to support your operation with technical support, service, parts, and warranty. 3512B land drilling generator set. Ratings: 1045-1245 ekW (1492-1750 kVA) @ 50/60 Hz (1200/1500 rpm). Not emissions certified, available for non-regulated areas.

Engine Specifications

Units:
Minimum Rating 1045.0 ekW 1045.0 ekW Less
Maximum Rating 1245.0 ekW 1245.0 ekW Less
Emissions Non-certified Non-certified Less
Engine Control and Protection ADEM A3 ADEM A3 Less
Generator SR4B SR4B Less
Voltage 600 600 Less
Aspiration Turbocharged-Aftercooled Turbocharged-Aftercooled Less
Bore 6.69 in 170.0 mm Less
Stroke 7.48 in 190.0 mm Less
Displacement 3158.0 in3 52.0 L Less
Fuel System EUI EUI Less
Oil Change Interval 500.0 hr 500.0 hr Less
Weight 30864.0 lb 14000.0 kg Less
Generator Set Control EMCP 4.3 EMCP 4.3 Less

Dimensions

Width 91.2 in 2318.0 mm Less
Length 238.2 in 6051.0 mm Less
Height 104.7 in 2659.0 mm Less

Capacity for Liquids

Lube Oil System (Refill) 84.0 gal 318.0 L Less
Cooling System (Engine) 41.0 gal 157.0 L Less

Product Design

- Developed specifically to meet the demands of oil and gas applications - Latest electronics for enhanced safety, performance, and user interface - Proven reliability and durability - Robust base design for high durability and ideal for loading/unloading operations - Market-leading power density - Rugged, oversized cooling system for 50°C ambient capability at rated power - Long overhaul life proven in oilfield applications - Core engine components designed for reconditioning and reuse at overhaul

Ease of Installation

- Inner-outer base mounting configuration simplifies rig integration - Wide range of attachments enable configuration flexibility - Inner base three-point generator mounting maintains factory alignment - Single lifting point simplifies installation work

Safety

- 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

Custom Packaging

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.

Testing

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

Product Support Offered Through Global Cat Dealer Network

- 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

Over 80 Years of Engine Manufacturing Experience

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

Web Site

For all your petroleum power requirements, visit www.catoilandgasinfo.com.

3512B Standard Equipment

Air Inlet System
  • Corrosion-resistant aftercooler core
  • Air Inlet shutoff
  • Regular duty air cleaner

Control System
  • ADEM A3 ECU, left-hand mounted
  • Direct rack control 0-200 mADC, space heater and jacket water heater connection and controls

Cooling System
  • Caterpillar supplied radiator, 46/CVS-stacked 0.627 ratio, includes blower fan, fan drive, pulley, belt guard, coolant level sensor, regulator, and fuel cooler
  • 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

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
  • Fuel return line with flexible connection
  • Electronic unit injectors

Generator Attachments
  • Barrel-mounted petroleum terminal box with air filter and pressure differential switch

Instrumentation
  • Emergency stop button
  • Analog gauges:
  • Service port connector
  • Customer connection terminal blocks

EMCP 4.3 Control Panel
  • 140 mm (5.5 in) Graphical Display
  • Communication
  • Controls
  • Generator Set Protection
  • Outputs
  • Inputs
  • Other Features

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

Mounting System
  • 4.19 m (165 in) length, 412 mm (16.2 in) height tubes, 1.18 m (50.5 in) wide

Protection System
  • Engine alarms, derate, and shutdown in abnormal operation

Starting System
  • TDI air starting motor, RH – 1034 kPa (150 psi)

General
  • Paint - Cat yellow

* Denotes which option is included in the standard configuration

3512B Optional Equipment

Air Inlet System
  • Heavy duty air cleaner
  • Remote air inlet adapter – rectangular
  • Remote air inlet adapter – round

Control System
  • Engine control options:
  • Load sharing governor, 2301A

Cooling System
  • Radiator options:
  • Coolant level sensor
  • Coolant conditioner
  • Cooling system connection options (for use with customer-supplied radiator):
  • Fan drive and belt guard (for use with remote and customersupplied radiators)
  • Fan pulley options (for use with customer-supplied radiator):

Exhaust System
  • 1200 rpm model only:
  • 1500 rpm model only:

Fuel System
  • Custom fuel filter
  • Primary fuel filter
  • Primary fuel filter with water separator

Generator Attachments
  • Barrel-mounted petroleum terminal box
  • Current transformers (3)
  • Cable access box

Instrumentation
  • Communications module PL1000T
  • Communications module PL1000E
  • Thermocouples installed, one per cylinder

Lubrication System
  • Custom oil filter
  • RH installed centrifugal oil filter
  • SAE15W40, Caterpillar DEO, 500 hour
  • Crankcase fumes disposal
  • Oil level regulator

Mounting System
  • Custom inner base
  • Custom outer base
  • Package isolator supports (3), for mounting inner base to customer-supplied base

Power Take-off
  • Alternator, 24V, 68A

Protection System
  • Explosion relief valves (3)
  • Metal particle detector switch
  • Metal particle detector with annunciator

Starting System
  • Custom starting motor
  • Air pressure regulator

General
  • LH installed engine barring group
  • Jacket water heater, UL recognized, 120-240V, single phase, 6 kW, LH and RH mounted
  • Jacket water heater, UL recognized, 120-480V, single phase, 12 kW, LH and RH mounted
  • Jacket water heater lines

Cat® Dealer Service

Buy any piece of Cat® equipment and also get the full support and commitment of your local Cat Dealer.

Contact your local dealer
Oil & Gas Financing Solutions

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