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Cat 3512 engines set the standard in the drilling industry. For many years the 3500 has been the preferred choice by drillers due to their high performance, durability, and reliability in the oilfield.The ideal application for the 3512 engine is mechanical drive for land drilling rigs. 3512 engines, with ratings: 761-1342 bkW (1020-1800 bhp) @ 1200-1900 rpm. Not emissions certified, available for non-regulated areas.
Request a QuoteMaximum Rating1800BHP
EmissionsNon-certified
Displacement3158in³
Minimum Rating1020BHP
Bore6.69in
Stroke7.48in
Rated Speed1800r/min
AspirationTurbocharged-Aftercooled
Governor and ProtectionW3161
Engine Weight - Net Dry11462lb
Rotation from Flywheel EndCounterclockwise
Oil Change Interval500
Flywheel and Flywheel HousingSAE No. 00
Flywheel Teeth183
Minimum Cooling System - Engine Only41gal (US)
Length105.3in
Width67in
Height67.7in
Standard
Corrosion-resistant aftercooler core
Regular duty air cleaner
Service indicator
Optional
Heavy duty air cleaner
Remote air inlet adapters
Standard
Governor, Woodward 3161 — RH
Pneumatic control
Governor control - positive locking
Optional
Load sharing governor, 2301A
Load sharing module
Governor conversion to 0-200 mA direct rack control
Local speed throttle control
Throttle position sensors
Standard
Thermostats and housing (dual outlet)
Jacket water pump, gear driven
Optional
High gloss black folded core radiators and conventionalcore radiators
Belt guard
Blower fan
Fan drive and fan pulley
Radiator cover
Water level switch gauge
Air separator
Coolant level sensors
Connections
Standard
Dry exhaust manifold
Exhaust flexible fitting, adapters, and flanges
Optional
Exhaust elbows
Exhaust mufflers
Standard
SAE No. 00 flywheel
SAE No. 00 flywheel housing
SAE standard rotation
Standard
Fuel filter
Fuel transfer pump
Flexible fuel lines
Fuel priming pump
Optional
Primary fuel filter
Standard
Analog instrument gauges:
Optional
Customer management device
Gauges and instrumentation panels
Switches and contactors
Standard
Crankcase breather
Oil cooler
Oil filter
Shallow oil pan
Oil drain extension, 2 in NPT female connection
Optional
Crankcase fumes disposal
Oil pan accessories
Standard
Rails, mounting, floor type
Standard
Accessory drive
Front housing, two-sided
Standard
Manual shutoff control, LH
Junction box
Safety shutoff protection, energized to shutdown
Optional
Explosion relief valves (3)
Shutoffs
Switches and contactors
Standard
Air starting motor
Air silencer
Optional
Manual air starter
Air pressure regulator
Standard
Paint - Cat yellow
Vibration damper and guard
Lifting eyes
Optional
Flywheel guard
Optional
Low voltage extension box
Potential and current transformers
Air filter
Cable access box
Bearing RTDs
Optional
Crankshaft pulley
Front stub shaft
Charging alternator
Air compressor
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