4012-46TWG3A Diesel Engine
1364 kVA @ 1500 RPM

• Number of cylinders : 12 60º Vee form
• Bore and stroke : 160 x 190 mm 6.3 x 7.5 in
• Displacement : 45.842 litres 2797 in3
• Aspiration : Turbocharged and air to water charge cooled
• Cycle : 4 stroke
• Combustion system : Direct injection
• Compression ratio : 13.6:1
• Rotation : Anti-clockwise, viewed from flywheel end
• Total lubricating capacity : 177 litres 46.7 US gal
• Cooling system : Water-cooled
• Total coolant capacity : 196 litres 51 US gal / 201 litres 53 US gal

Economic power

• Individual four valve per cylinder heads give optimised gas flows, whilst digitally governed unit fuel injectors ensure ultra-fine fuel atomisation and hence controlled rapid combustion, for efficiency and economy
• Commonality of components with other engines in the 4000 Series family allows reduced parts stocking levels

Reliable power

• Developed and tested using latest engineering techniques
• Piston temperature are controlled by an advanced gallery jet cooling system
• All engines are tolerant of a wide range of temperatures without derate
• Perkins global product support is designed to enhance the customer experience of owning a Perkins powered machine. We deliver this through the quality of our distribution network, extensive global coverage and a range of Perkins supported OEM partnership options. So whether you are an end-user or an equipment manufacturer our engine expertise is essential to your success

Clean, efficient power

• Exceptional power to weight ratio and compact size for easier transportation and installation
• New designed radiator assemblies with corrosion inhibiting powder coated finish; fewer pipe joints and easier access to reduce maintenance times

• Designed to provide excellent service access for ease of maintenance
• Engines designed to comply with major international standards
• Low gaseous emissions that will satisfy the requirements of ½ TA Luft (1986)

Product support

• Perkins actively pursues product support excellence by ensuring our distribution network invest in their territory – strengthening relationships and providing more value to you, our customer

• Through an experienced global network of distributors and dealers, fully trained engine experts deliver total service support around the clock, 365 days a year. They have a comprehensive suite of web based tools at their fingertips covering technical information, parts identification and ordering systems, all dedicated to maximising the productivity of your engine

• Throughout the entire life of a Perkins engine, we provide access to genuine OE specification parts and service. We give 100% reassurance that you receive the very best in terms of quality for lowest possible cost .. wherever your Perkins powered machine is operating in the world

Air inlet

• Mounted air filters and turbochargers

Fuel system

• Direct fuel injection system with fuel lift pump
• Governing to ISO 8528-5 class G2 with isochronous capability
• Full-flow spin-on fuel oil filters

Lubrication system

• Wet sump with filler and dipstick
• Full-flow spin-on oil filters
• Engine jacket water/oil temperature stabiliser

Cooling system

• Two twin thermostats
• System designed for ambients up to 50ºC
• Powder coated radiator comprising: water radiator; air charge cooled radiator; fuel oil cooling (optional); all pipes, hoses and clips; fan; pulleys; fan belts and safety guards

Electrical equipment

• 24 volt starter motor and 24 volt alternator with integral regulator and DC output
• Overspeed switch and magnetic pickup
• Turbine inlet temperature shutdown switch
• Twin high coolant temperate shutdown switches
• Twin low oil pressure shutdown switches

Flywheel and housing

• Flywheel to SAE J620 size 18
• SAE 00 flywheel housing

Optional equipment

• Choice of temperature or tropical radiators available dependant on operational cooling requirements
• Fuel oil cooler integral to the radiator assembly
• Immersion heater with thermostat

Full Product Specs