3512C (HD)

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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. 3512C (HD) land drilling generator set. Ratings: 1245 ekW (1780 kVA) @ 60 Hz (1200 rpm). Meets U.S. EPA Tier 2 equivalent emission standards. Available using U.S. EPA Flexibility and for other regulated and non-regulated areas.

Engine Specifications

Units:
Minimum Rating 1245.0 ekW 1245.0 ekW Less
Maximum Rating 1245.0 ekW 1245.0 ekW Less
Emissions U.S. EPA Nonroad Tier 2 U.S. EPA Nonroad Tier 2 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 8.5 in 215.0 mm Less
Displacement 3574.0 in3 59.0 L Less
Fuel System EUI EUI Less
Oil Change Interval 500.0 hr 500.0 hr Less
Weight 29500.0 lb 13381.0 kg Less
Generator Set Control EMCP 4.3 EMCP 4.3 Less

Dimensions

Width 93.9 in 2384.0 mm Less
Length 310.2 in 7880.0 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.

3512C (HD) 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 or
  • Cat Digital Voltage Regulator (DVR), includes reactive droop capability, 3-phase voltage sensing, kVAR/PF modes, RFI suppression, min/max exciter limiter and exciter diode monitor, space heater and jacket water heater connection and controls, temperature monitoring for 6 stator RTDs and 2 bearing RTDs via J1939

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 adapter, 297 mm I.D. to 340 mm I.D. (11.7 in to 13.4 in)
  • Weldable flange, 360 mm I.D. (14.2 in)

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
  • Fuel priming pump

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
  • Viscous damper drive line coupler

Power take-offs
  • Accessory drive
  • Lower LH front (available for PTO usage)
  • Front housing, two-sided

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

Starting System
  • TDI air starting motor, RH - 1034 kPa (150 psi)
  • LH control air silencer

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

3512C (HD) Optional Equipment

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

Control System
  • Load sharing governor, 2301A
  • Load sharing module
  • Governor conversion to 0-200 mA direct rack control

Cooling System
  • Radiator options:
  • Coolant level sensor
  • Coolant conditioner

Exhaust System
  • Exhaust flexible fitting, 318 I.D. mm (12.5 in)
  • Elbow, 305 mm (12 in)
  • Muffler 305 mm (12 in), non spark arresting
  • Muffler, 356 mm (14 in), spark arresting, includes companion flanges, clean-out box, and spark box
  • Muffler, 305 mm (12 in), spark arresting, includes companion flanges, clean-out box, and spark box

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

Generator Attachments
  • Barrel-mounted petroleum terminal box with air filter and pressure differential switch
  • Barrel-mounted petroleum terminal box
  • Current droop transformer
  • Cable access box
  • Low voltage extension box
  • Current sensing transformers (3)
  • Bearing temperature detectors

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

Lubrication System
  • RH installed centrifugal oil filter
  • Crankcase fumes disposal
  • Oil level regulator

Mounting System
  • 7.62 m (25 ft) outer base
  • 9.14 m (30 ft) outer base
  • 12.19 m (40 ft) outer base
  • Package isolator supports (3), for mounting inner base to customer-supplied base
  • Custom base

Power Take-off
  • Alternator, 24V, 60A
  • Crankshaft pulley

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

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