C15 ACERT® 320-455 ekW — 60 Hz

1800 rpm
Diesel Oilfield 365-455 kVA — 50 Hz
Generator Set 1500 rpm

CAT® ENGINE SPECIFICATIONS

In-Line 6, 4-Stroke-Cycle water-cooled diesel
Bore.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137.2 mm (5.4 in.)
Stroke. . . . . . . . . . . . . . . . . . . . . . . . . . . . 171.4 mm (6.75 in.)
Displacement.. . . . . . . . . . . . . . . . . . . 15.2 L (927.56 cu. in.)
Compression Ratio.. . . . . . . . . . . . . . . . . . . . . . . . . . . . 16.1:1
Aspiration.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ATAAC
Fuel System.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MEUI
Governor Type.. . . . . . . . Cat® ADEM™ A4 control system
Package Weight (estimated) . . . . . . . 4760 kg (10,500 lb.)

Caterpillar is leading the power generation marketplace

Image shown may
not reflect actual package.
with power solutions engineered to deliver unmatched
flexibility, expandability, reliability, and cost-effectiveness.

FEATURES
Ready to Run Cat C15 ACERT® ATAAC Diesel Engine
• Shipped from the factory complete and ready to run • Utilizes ACERT Technology
• Reliable, rugged, durable design
Fuel/Emissions Strategy
• Field-proven in thousands of applications worldwide
• U.S. EPA Tier 2 or 3 and EU and China Stage 2
• Four-stroke diesel engine combines consistent
non-road compliant
performance and excellent fuel economy with minimum
Full Range of Attachments weight
• Wide range of bolt-on system expansion attachments, • Electronic engine control
factory designed and tested
Cat Generator
Single-Source Supplier • Designed to match performance and output
• Fully prototype-tested with certified torsional vibration characteristics of Cat diesel engines
analysis available • 2/3 pitch
• UL 1446 Recognized Class H Insulation
Worldwide Product Support
• Cat dealers provide extensive post-sale support Cat EMCP 3 Control Panel
including maintenance and repair agreements. • EMCP 3.1 offers basic engine/generator monitoring,
• Cat dealers fill 99.7 percent of parts orders within 24 metering, and protection.
hours. • Segregated low voltage (AC/DC) accessory box
• Cat dealers have over 2,100 dealer branch stores provides single point access to accessory connections
operating in 200 countries. • Panel lights
• The Cat S•O•SSM program cost-effectively detects
Web Site
internal engine component condition, even the presence
For all your petroleum power requirements, visit
of unwanted fluids and combustion by-products.
www.catoilandgas.cat.com.

LEHW0010-01 Page 1 of 4
 C15 ACERT DIESEL OILFIELD GENERATOR SET
320-455 ekW — 60 Hz, 1800 rpm
365-455 kVA — 50 Hz, 1500 rpm

STANDARD EQUIPMENT OPTIONAL EQUIPMENT (continued)

Air Inlet System Generator
• Heavy-duty air filter • Permanent magnet excitation
Cooling System • Oversize and premium generators
• Radiator package mounted (50° C) • Anti-condensation space heaters available with
• Coolant drain line with valve at edge of base permanent magnet excitation generators
• Coolant level sensor Power Termination
• Fan and belt guards • Top and bottom power cable entry
• Coolant level sight gauge Starting/Charging System
• Cat Extended Life Coolant • Jacket water heater with shutoff valves
Exhaust System • Battery disconnect switch
• Dry exhaust manifold • Battery rack with heavy duty batteries
• Flanged faced outlets
• Stainless steel flex with split-cuff connection
Fuel System SPECIFICATIONS
• Primary fuel filter with integral water separator
• Secondary fuel filters Cat Generator
• Fuel priming pump Voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 480 V
• Flex fuel lines Excitation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Self excited
Generator Pitch.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.6667
• SR4B brushless, single-bearing, self-excited Number of poles.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
• Class H insulation Number of bearings.. . . . . . . . . . . . . . . . . . . . . . . . . . . Single
• Random wound Insulation.. . . . . . . . . . . . . . . . UL 1446 Recognized Class H
• IP23 protection ...............................with tropicalization and antiabrasion
• CDVR 3-phase sensing with selectable volts/Hz IP Rating.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . Drip Proof IP23
• 3 sensing CTs and one droop CT Alignment.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Pilot Shaft
• Coastal protection
Overspeed capability.. . . . . . . . . . . . . . . . . . . 125% of rated
Power Termination Wave form deviation (line-to-line).. . . . . . . . . . . . . . . . . . 2%
• RH extended cable access box
Voltage regulator.. . . . . . . . . . . . . . . . 3-phase sensing with
Governor ......................................................... selectable volts/Hz
• ADEM A4
Voltage regulation.. . . . . . Less than ± 1/2% (steady state)
Lube System .................... Less than ± 1/2% (with 3% speed change)
• Deep sump (60 L) — 500-hour service interval
Harmonic Distortion.. . . . . . . . . . . . . . . . . . . . Less than 5%
• High efficiency oil filter
• Oil drain valves
• Fumes disposal Cat EMCP 3 Control Panel
• Gear-type lube oil pump • EMCP 3.1
Mounting System • NEMA 1, IP23 enclosure
• Steel base frame (skidable) • Run/Auto/Stop control
• Linear vibration isolation — seismic zone 4 • True RMS metering, 3-phase
Starting/Charging System • Speed adjust
• 24-volt starting motor • Vandal cover (option)
• 45-amp charging alternator • Voltage adjust
• Battery rack • Digital indication for:
General - rpm
• Paint — Caterpillar yellow except rails and radiators - Operating hours
(gloss black) - Oil pressure
• Flywheel and flywheel housing — SAE No. 1 - Coolant temperature
• Vibration damper with pulley - System DC volts
• Engine lifting eyes - L-L volts, L-N volts, phase amps, Hz
- ekW, kVA, kVAR, kW-hr, % kW, PF, (EMCP 3.2/3.3)
OPTIONAL EQUIPMENT • Shutdowns with common indicating light for:
- Low oil pressure
Air Inlet System - High coolant temperature
• Precleaner - Low coolant level
Exhaust System - Overspeed
• Mufflers - Emergency stop
• Manifold and turbocharger guards
- Failure to start (overcrank)
• Elbows

LEHW0010-01 Page 2 of 4
 C15 ACERT DIESEL OILFIELD GENERATOR SET
320-455 ekW — 60 Hz, 1800 rpm
365-455 kVA — 50 Hz, 1500 rpm

C15 ACERT OILFIELD GENERATOR SET PACKAGES

60 Hz — Standard 50 Hz — Standard
ekW Rating 320 365 410 455 292 364
kVA Rating 400 455 515 570 365 455
rpm 1800 1800 1800 1800 1500 1500
Emissions EPA Tier 3 EPA Tier 3 EPA Tier 3 EPA Tier 2 EU/China Stage 2 EU/China Stage 2
Rated PF 0.8 0.8 0.8 0.8 0.8 0.8
Temperature Rise 2
105° C 105° C 105° C 105° C 105° C 105° C
Tilt Requirements 5° Static 5° Static 5° Static 5° Static 5° Static 5° Static
Insulation Class H H H H H H
Overload 50% / 2 min. 50% / 2 min. 50% / 2 min. 50% / 2 min. 50% / 2 min. 50% / 2 min.
Excitation (PM option) SE SE SE SE SE SE
Voltage 480 480 480 480 400 400
Voltage Regulator CDVR CDVR CDVR CDVR CDVR CDVR
Configuration 1-Brg 1-Brg 1-Brg 1-Brg 1-Brg 1-Brg
Coastal Protection Yes Yes Yes Yes Yes Yes
Space Heater Opt. Opt. Opt. Opt. Opt. Opt.
Construction RW RW RW RW RW RW
Frame Size 449 450 499 499 450 499

Generator Terminal Box

Terminal box shall be standard with terminals on the right side, top entry or rear depending on size. Normal cable entrance
shall be from the top.
1
Ambient capability at 1000 m (3281 ft) above sea level. For ambient capability at other altitudes, consult your Cat dealer.
Air flow restriction (system) is added to existing restriction from factory.
2
Generator temperature rise is based on a 40° C (104° F) ambient per NEMA MG1-32.
For additional generator ratings contact your local dealer.

LEHW0010-01 Page 3 of 4
 C15 ACERT DIESEL OILFIELD GENERATOR SET
320-455 ekW — 60 Hz, 1800 rpm
365-455 kVA — 50 Hz, 1500 rpm

INSTALLATION DRAWINGS

Front View Left Side View

2036.5 mm
(80.2 in.)

2110.2 mm
(83.077 in.)

1736.7 mm
(68.4 in.)
1358.3 mm
(53.5 in.)

1320-1524 mm 3518 mm
(52.0-60.0 in.) (138.5 in.)

Note: Package dimensions may change depending on generator arrangement selection.

Package Dimensions
Length 3518 mm 138.5 in.
Width 1320-1524 mm 52.0-60.0 in.
Height 2110.2 mm 83.077 in.
Weight (estimated) 4760 kg 10,500 lb.

RATING DEFINITIONS AND CONDITIONS

Meets or Exceeds International Specifications: AS1359, Ratings are based on SAE J1995 standard conditions.
AS2789, CSA, EGSA101P,IEC60034, ISO3046, ISO8528, These ratings also apply at ISO3046 standard conditions.
NEMA MG 1-32, UL508, 72/23/EEC, 89/336/EEC, 98/37/ Fuel rates are based on fuel oil of 35° API [16° C
EEC. (60° F)] gravity having an LHV of 82 780 kJ/kg
(18,390 Btu/lb) when used at 29° C (85° F) and weighing
Prime output available with varying load for an
838.9 g/liter (7.001 lbs/U.S. gal.). Additional ratings may be
unlimited time. Prime power in accordance with ISO8528.
available for specific customer requirements. Consult your
10 percent overload power in accordance with ISO3046,
Caterpillar representative for details.
AS2789, and BS5514. Prime ambient temperatures
shown indicate a coolant top tank temperature just below
shutdown at 100 percent load.

Materials and specifications are subject to change without notice. The International System of Units (SI) is used in this publication.
CAT, CATERPILLAR, their respective logos, S•O•S, ACERT, ADEM, “Caterpillar Yellow,” the “Power Edge” trade dress as well as
corporate and product identity used herein, are trademarks of Caterpillar and may not be used without permission.

©2009 Caterpillar
LEHW0010-01 (4-09) All rights reserved.